up 1.9.46

Code clean
Added tips for per app proxy
2025-04-09 14:41:11 +08:00 · 2025-04-09 14:35:05 +08:00 · 2025-04-09 14:34:27 +08:00 · 2025-04-09 11:55:43 +08:00 · 2025-04-09 10:50:47 +08:00 · 2025-04-09 10:50:33 +08:00
144 changed files with 2251 additions and 1283 deletions
--- a/.github/workflows/fastlane.yml
+++ b/.github/workflows/fastlane.yml
@@ -13,4 +13,4 @@ jobs:
    steps:
      - uses: actions/checkout@v4
      - name: Validate Fastlane Supply Metadata
-        uses: ashutoshgngwr/validate-fastlane-supply-metadata@v2.0.0
+        uses: ashutoshgngwr/validate-fastlane-supply-metadata@v2.1.0
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,66 @@
+# Ignore data and key store files
 *.dat
 *.jks
+
+# Ignore output JSON file
 V2rayNG/app/release/output.json
+
+# Ignore IDE and build system directories
 .idea/
 .gradle/
+*.iml
+
+# Ignore local properties and DS_Store files
+/local.properties
+.DS_Store
+
+# Ignore build directories and captures
+/build
+/captures
+V2rayNG/app/build
+V2rayNG/build
+V2rayNG/local.properties
+
+# Ignore APK and AAR files
+*.apk
+*.aar
+
+# Ignore signing properties
+signing.properties
+
+# Ignore shared object files
 *.so
+
+# Ignore Google services JSON
+V2rayNG/app/google-services.json
+
+# Additional common Android/Java ignores
+*.log
+*.tmp
+*.bak
+*.swp
+*.orig
+*.class
+*.jar
+*.war
+*.ear
+
+# Ignore executable files
+*.exe
+*.dll
+*.obj
+*.o
+*.pyc
+*.pyo
+
+# Ignore files from other IDEs
+.vscode/
+.classpath
+.project
+.settings/
+*.sublime-workspace
+*.sublime-project
+
+# Ignore OS-specific files
+Thumbs.db
+.DS_Store
--- a/2
+++ b/2
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ A V2Ray client for Android, support [Xray core](https://github.com/XTLS/Xray-cor
 #### Geoip and Geosite
 - geoip.dat and geosite.dat files are in `Android/data/com.v2ray.ang/files/assets` (path may differ on some Android device)
 - download feature will get enhanced version in this [repo](https://github.com/Loyalsoldier/v2ray-rules-dat) (Note it need a working proxy)
- latest official [domain list](https://github.com/v2fly/domain-list-community) and [ip list](https://github.com/v2fly/geoip) can be imported manually
+- latest official [domain list](https://github.com/Loyalsoldier/v2ray-rules-dat) and [ip list](https://github.com/Loyalsoldier/geoip) can be imported manually
 - possible to use third party dat file in the same folder, like [h2y](https://guide.v2fly.org/routing/sitedata.html#%E5%A4%96%E7%BD%AE%E7%9A%84%E5%9F%9F%E5%90%8D%E6%96%87%E4%BB%B6)

 ### More in our [wiki](https://github.com/2dust/v2rayNG/wiki)
--- a/V2rayNG/.gitignore
+++ b/V2rayNG/.gitignore
@@ -1,10 +0,0 @@
-*.iml
-.gradle
-/local.properties
-/.idea
-.DS_Store
-/build
-/captures
-*.apk
-signing.properties
-*.aar
--- a/V2rayNG/app/.gitignore
+++ b/V2rayNG/app/.gitignore
@@ -1,2 +0,0 @@
-/build
-/google-services.json
--- a/V2rayNG/app/build.gradle.kts
+++ b/V2rayNG/app/build.gradle.kts
@@ -12,8 +12,8 @@ android {
        applicationId = "com.v2ray.ang"
        minSdk = 21
        targetSdk = 35
-        versionCode = 640
-        versionName = "1.9.40"
+        versionCode = 646
+        versionName = "1.9.46"
        multiDexEnabled = true

        val abiFilterList = (properties["ABI_FILTERS"] as? String)?.split(';')
@@ -82,8 +82,9 @@ android {
        val isFdroid = variant.productFlavors.any { it.name == "fdroid" }
        if (isFdroid) {
            val versionCodes =
-                mapOf("armeabi-v7a" to 2, "arm64-v8a" to 1, "x86" to 4, "x86_64" to 3, "universal" to 0
-            )
+                mapOf(
+                    "armeabi-v7a" to 2, "arm64-v8a" to 1, "x86" to 4, "x86_64" to 3, "universal" to 0
+                )

            variant.outputs
                .map { it as com.android.build.gradle.internal.api.ApkVariantOutputImpl }
@@ -148,7 +149,7 @@ dependencies {

    // UI Libraries
    implementation(libs.material)
-    implementation(libs.toastcompat)
+    implementation(libs.toasty)
    implementation(libs.editorkit)
    implementation(libs.flexbox)

--- a/V2rayNG/app/src/main/AndroidManifest.xml
+++ b/V2rayNG/app/src/main/AndroidManifest.xml
@@ -35,7 +35,6 @@
    <uses-permission android:name="android.permission.CHANGE_NETWORK_STATE" />
    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
-    <!-- <useapplications-permission android:name="android.permission.RECEIVE_BOOT_COMPLETED" /> -->
    <uses-permission android:name="android.permission.CAMERA" />
    <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
    <uses-permission
@@ -52,10 +51,10 @@
        android:banner="@mipmap/ic_banner"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
+        android:networkSecurityConfig="@xml/network_security_config"
        android:supportsRtl="true"
        android:theme="@style/AppThemeDayNight"
        android:usesCleartextTraffic="true"
-        android:networkSecurityConfig="@xml/network_security_config"
        tools:targetApi="m">

        <activity
@@ -213,7 +212,8 @@
            android:icon="@drawable/ic_stat_name"
            android:label="@string/app_tile_name"
            android:permission="android.permission.BIND_QUICK_SETTINGS_TILE"
-            android:process=":RunSoLibV2RayDaemon">
+            android:process=":RunSoLibV2RayDaemon"
+            tools:targetApi="24">
            <intent-filter>
                <action android:name="android.service.quicksettings.action.QS_TILE" />
            </intent-filter>
--- a/V2rayNG/app/src/main/assets/custom_routing_black
+++ b/V2rayNG/app/src/main/assets/custom_routing_black
@@ -20,13 +20,6 @@
    "port": "443",
    "network": "udp"
  },
-  {
-    "remarks": "阻断广告",
-    "outboundTag": "block",
-    "domain": [
-      "geosite:category-ads-all"
-    ]
-  },
  {
    "remarks": "绕过局域网IP",
    "outboundTag": "direct",
--- a/V2rayNG/app/src/main/assets/custom_routing_global
+++ b/V2rayNG/app/src/main/assets/custom_routing_global
@@ -5,13 +5,6 @@
    "port": "443",
    "network": "udp"
  },
-  {
-    "remarks": "阻断广告",
-    "outboundTag": "block",
-    "domain": [
-      "geosite:category-ads-all"
-    ]
-  },
  {
    "remarks": "绕过局域网IP",
    "outboundTag": "direct",
--- a/V2rayNG/app/src/main/assets/custom_routing_white
+++ b/V2rayNG/app/src/main/assets/custom_routing_white
@@ -13,13 +13,6 @@
    "port": "443",
    "network": "udp"
  },
-  {
-    "remarks": "阻断广告",
-    "outboundTag": "block",
-    "domain": [
-      "geosite:category-ads-all"
-    ]
-  },
  {
    "remarks": "绕过局域网IP",
    "outboundTag": "direct",
--- a/V2rayNG/app/src/main/assets/custom_routing_white_iran
+++ b/V2rayNG/app/src/main/assets/custom_routing_white_iran
@@ -5,13 +5,6 @@
    "port": "443",
    "network": "udp"
  },
-  {
-    "remarks": "Block ads and trackers",
-    "outboundTag": "block",
-    "domain": [
-      "geosite:category-ads-all"
-    ]
-  },
  {
    "remarks": "Direct LAN IP",
    "outboundTag": "direct",
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/AngApplication.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/AngApplication.kt
@@ -39,5 +39,9 @@ class AngApplication : MultiDexApplication() {
        WorkManager.initialize(this, workManagerConfiguration)

        SettingsManager.initRoutingRulesets(this)
+
+        es.dmoral.toasty.Toasty.Config.getInstance()
+            .setGravity(android.view.Gravity.BOTTOM, 0, 200)
+            .apply()
    }
 }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/AppConfig.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/AppConfig.kt
@@ -5,6 +5,7 @@ object AppConfig {

    /** The application's package name. */
    const val ANG_PACKAGE = BuildConfig.APPLICATION_ID
+    const val TAG = BuildConfig.APPLICATION_ID

    /** Directory names used in the app's file system. */
    const val DIR_ASSETS = "assets"
@@ -42,6 +43,7 @@ object AppConfig {
    const val PREF_SPEED_ENABLED = "pref_speed_enabled"
    const val PREF_CONFIRM_REMOVE = "pref_confirm_remove"
    const val PREF_START_SCAN_IMMEDIATE = "pref_start_scan_immediate"
+    const val PREF_DOUBLE_COLUMN_DISPLAY = "pref_double_column_display"
    const val PREF_LANGUAGE = "pref_language"
    const val PREF_UI_MODE_NIGHT = "pref_ui_mode_night"
    const val PREF_PREFER_IPV6 = "pref_prefer_ipv6"
@@ -55,13 +57,15 @@ object AppConfig {
    const val PREF_LOGLEVEL = "pref_core_loglevel"
    const val PREF_MODE = "pref_mode"
    const val PREF_IS_BOOTED = "pref_is_booted"
+    const val PREF_CHECK_UPDATE_PRE_RELEASE = "pref_check_update_pre_release"
+    const val PREF_GEO_FILES_SOURCES = "pref_geo_files_sources"

    /** Cache keys. */
    const val CACHE_SUBSCRIPTION_ID = "cache_subscription_id"
    const val CACHE_KEYWORD_FILTER = "cache_keyword_filter"

    /** Protocol identifiers. */
-    const val PROTOCOL_FREEDOM: String = "freedom"
+    const val PROTOCOL_FREEDOM = "freedom"

    /** Broadcast actions. */
    const val BROADCAST_ACTION_SERVICE = "com.v2ray.ang.action.service"
@@ -86,19 +90,19 @@ object AppConfig {
    const val DOWNLINK = "downlink"

    /** URLs for various resources. */
-    const val androidpackagenamelistUrl =
-        "https://raw.githubusercontent.com/2dust/androidpackagenamelist/master/proxy.txt"
-    const val v2rayCustomRoutingListUrl =
-        "https://raw.githubusercontent.com/2dust/v2rayCustomRoutingList/master/"
-    const val v2rayNGUrl = "https://github.com/2dust/v2rayNG"
-    const val v2rayNGIssues = "$v2rayNGUrl/issues"
-    const val v2rayNGWikiMode = "$v2rayNGUrl/wiki/Mode"
-    const val v2rayNGPrivacyPolicy = "https://raw.githubusercontent.com/2dust/v2rayNG/master/CR.md"
-    const val PromotionUrl = "aHR0cHM6Ly85LjIzNDQ1Ni54eXovYWJjLmh0bWw="
-    const val GeoUrl = "https://github.com/Loyalsoldier/v2ray-rules-dat/releases/latest/download/"
-    const val TgChannelUrl = "https://t.me/github_2dust"
-    const val DelayTestUrl = "https://www.gstatic.com/generate_204"
-    const val DelayTestUrl2 = "https://www.google.com/generate_204"
+    const val GITHUB_URL = "https://github.com"
+    const val GITHUB_RAW_URL = "https://raw.githubusercontent.com"
+    const val GITHUB_DOWNLOAD_URL = "$GITHUB_URL/%s/releases/latest/download"
+    const val ANDROID_PACKAGE_NAME_LIST_URL = "$GITHUB_RAW_URL/2dust/androidpackagenamelist/master/proxy.txt"
+    const val APP_URL = "$GITHUB_URL/2dust/v2rayNG"
+    const val APP_API_URL = "https://api.github.com/repos/2dust/v2rayNG/releases"
+    const val APP_ISSUES_URL = "$APP_URL/issues"
+    const val APP_WIKI_MODE = "$APP_URL/wiki/Mode"
+    const val APP_PRIVACY_POLICY = "$GITHUB_RAW_URL/2dust/v2rayNG/master/CR.md"
+    const val APP_PROMOTION_URL = "aHR0cHM6Ly85LjIzNDQ1Ni54eXovYWJjLmh0bWw="
+    const val TG_CHANNEL_URL = "https://t.me/github_2dust"
+    const val DELAY_TEST_URL = "https://www.gstatic.com/generate_204"
+    const val DELAY_TEST_URL2 = "https://www.google.com/generate_204"

    /** DNS server addresses. */
    const val DNS_PROXY = "1.1.1.1"
@@ -168,14 +172,6 @@ object AppConfig {
    const val DNS_QUAD9_DOMAIN = "dns.quad9.net"
    const val DNS_YANDEX_DOMAIN = "common.dot.dns.yandex.net"

-    
-    val DNS_ALIDNS_ADDRESSES = arrayListOf("223.5.5.5", "223.6.6.6", "2400:3200::1", "2400:3200:baba::1")
-    val DNS_CLOUDFLARE_ADDRESSES = arrayListOf("1.1.1.1", "1.0.0.1", "2606:4700:4700::1111", "2606:4700:4700::1001")
-    val DNS_DNSPOD_ADDRESSES = arrayListOf("1.12.12.12", "120.53.53.53")
-    val DNS_GOOGLE_ADDRESSES = arrayListOf("8.8.8.8", "8.8.4.4", "2001:4860:4860::8888", "2001:4860:4860::8844")
-    val DNS_QUAD9_ADDRESSES = arrayListOf("9.9.9.9", "149.112.112.112", "2620:fe::fe", "2620:fe::9")
-    val DNS_YANDEX_ADDRESSES = arrayListOf("77.88.8.8", "77.88.8.1", "2a02:6b8::feed:0ff", "2a02:6b8:0:1::feed:0ff")
-
    const val DEFAULT_PORT = 443
    const val DEFAULT_SECURITY = "auto"
    const val DEFAULT_LEVEL = 8
@@ -184,4 +180,60 @@ object AppConfig {
    const val REALITY = "reality"
    const val HEADER_TYPE_HTTP = "http"

+    val DNS_ALIDNS_ADDRESSES = arrayListOf("223.5.5.5", "223.6.6.6", "2400:3200::1", "2400:3200:baba::1")
+    val DNS_CLOUDFLARE_ADDRESSES = arrayListOf("1.1.1.1", "1.0.0.1", "2606:4700:4700::1111", "2606:4700:4700::1001")
+    val DNS_DNSPOD_ADDRESSES = arrayListOf("1.12.12.12", "120.53.53.53")
+    val DNS_GOOGLE_ADDRESSES = arrayListOf("8.8.8.8", "8.8.4.4", "2001:4860:4860::8888", "2001:4860:4860::8844")
+    val DNS_QUAD9_ADDRESSES = arrayListOf("9.9.9.9", "149.112.112.112", "2620:fe::fe", "2620:fe::9")
+    val DNS_YANDEX_ADDRESSES = arrayListOf("77.88.8.8", "77.88.8.1", "2a02:6b8::feed:0ff", "2a02:6b8:0:1::feed:0ff")
+
+    //minimum list https://serverfault.com/a/304791
+    val BYPASS_PRIVATE_IP_LIST = arrayListOf(
+        "0.0.0.0/5",
+        "8.0.0.0/7",
+        "11.0.0.0/8",
+        "12.0.0.0/6",
+        "16.0.0.0/4",
+        "32.0.0.0/3",
+        "64.0.0.0/2",
+        "128.0.0.0/3",
+        "160.0.0.0/5",
+        "168.0.0.0/6",
+        "172.0.0.0/12",
+        "172.32.0.0/11",
+        "172.64.0.0/10",
+        "172.128.0.0/9",
+        "173.0.0.0/8",
+        "174.0.0.0/7",
+        "176.0.0.0/4",
+        "192.0.0.0/9",
+        "192.128.0.0/11",
+        "192.160.0.0/13",
+        "192.169.0.0/16",
+        "192.170.0.0/15",
+        "192.172.0.0/14",
+        "192.176.0.0/12",
+        "192.192.0.0/10",
+        "193.0.0.0/8",
+        "194.0.0.0/7",
+        "196.0.0.0/6",
+        "200.0.0.0/5",
+        "208.0.0.0/4",
+        "240.0.0.0/4"
+    )
+
+    val PRIVATE_IP_LIST = arrayListOf(
+        "10.0.0.0/8",
+        "172.16.0.0/12",
+        "192.168.0.0/16",
+        "169.254.0.0/16",
+        "224.0.0.0/4"
+    )
+
+    val GEO_FILES_SOURCES = arrayListOf(
+        "Loyalsoldier/v2ray-rules-dat",
+        "runetfreedom/russia-v2ray-rules-dat",
+        "Chocolate4U/Iran-v2ray-rules"
+    )
+
 }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/dto/AssetUrlItem.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/dto/AssetUrlItem.kt
@@ -4,5 +4,6 @@ data class AssetUrlItem(
    var remarks: String = "",
    var url: String = "",
    val addedTime: Long = System.currentTimeMillis(),
-    var lastUpdated: Long = -1
+    var lastUpdated: Long = -1,
+    var locked: Boolean? = false,
 )
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/dto/CheckUpdateResult.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/dto/CheckUpdateResult.kt
@@ -0,0 +1,10 @@
+package com.v2ray.ang.dto
+
+data class CheckUpdateResult(
+    val hasUpdate: Boolean,
+    val latestVersion: String? = null,
+    val releaseNotes: String? = null,
+    val downloadUrl: String? = null,
+    val error: String? = null,
+    val isPreRelease: Boolean = false
+)
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/dto/EConfigType.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/dto/EConfigType.kt
@@ -11,7 +11,8 @@ enum class EConfigType(val value: Int, val protocolScheme: String) {
    VLESS(5, AppConfig.VLESS),
    TROJAN(6, AppConfig.TROJAN),
    WIREGUARD(7, AppConfig.WIREGUARD),
-//    TUIC(8, AppConfig.TUIC),
+
+    //    TUIC(8, AppConfig.TUIC),
    HYSTERIA2(9, AppConfig.HYSTERIA2),
    HTTP(10, AppConfig.HTTP);

--- a/V2rayNG/app/src/main/java/com/v2ray/ang/dto/GitHubRelease.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/dto/GitHubRelease.kt
@@ -0,0 +1,23 @@
+package com.v2ray.ang.dto
+
+import com.google.gson.annotations.SerializedName
+
+data class GitHubRelease(
+    @SerializedName("tag_name")
+    val tagName: String,
+    @SerializedName("body")
+    val body: String,
+    @SerializedName("assets")
+    val assets: List<Asset>,
+    @SerializedName("prerelease")
+    val prerelease: Boolean = false,
+    @SerializedName("published_at")
+    val publishedAt: String = ""
+) {
+    data class Asset(
+        @SerializedName("name")
+        val name: String,
+        @SerializedName("browser_download_url")
+        val browserDownloadUrl: String
+    )
+}
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/dto/Language.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/dto/Language.kt
@@ -8,6 +8,7 @@ enum class Language(val code: String) {
    VIETNAMESE("vi"),
    RUSSIAN("ru"),
    PERSIAN("fa"),
+    ARABIC("ar"),
    BANGLA("bn"),
    BAKHTIARI("bqi-rIR");

--- a/V2rayNG/app/src/main/java/com/v2ray/ang/dto/NetworkType.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/dto/NetworkType.kt
@@ -8,6 +8,7 @@ enum class NetworkType(val type: String) {
    XHTTP("xhttp"),
    HTTP("http"),
    H2("h2"),
+
    //QUIC("quic"),
    GRPC("grpc");

--- a/V2rayNG/app/src/main/java/com/v2ray/ang/dto/V2rayConfig.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/dto/V2rayConfig.kt
@@ -22,7 +22,7 @@ data class V2rayConfig(
    var policy: PolicyBean?,
    val inbounds: ArrayList<InboundBean>,
    var outbounds: ArrayList<OutboundBean>,
-    var dns: DnsBean,
+    var dns: DnsBean? = null,
    val routing: RoutingBean,
    val api: Any? = null,
    val transport: Any? = null,
@@ -261,7 +261,8 @@ data class V2rayConfig(
            ) {
                data class HeaderBean(
                    var type: String = "none",
-                    var domain: String? = null)
+                    var domain: String? = null
+                )
            }

            data class WsSettingsBean(
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/extension/_Ext.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/extension/_Ext.kt
@@ -8,7 +8,7 @@ import android.os.Build
 import android.os.Bundle
 import android.widget.Toast
 import com.v2ray.ang.AngApplication
-import me.drakeet.support.toast.ToastCompat
+import es.dmoral.toasty.Toasty
 import org.json.JSONObject
 import java.io.Serializable
 import java.net.URI
@@ -23,7 +23,7 @@ val Context.v2RayApplication: AngApplication?
 * @param message The resource ID of the message to show.
 */
 fun Context.toast(message: Int) {
-    ToastCompat.makeText(this, message, Toast.LENGTH_SHORT).show()
+    Toasty.normal(this, message).show()
 }

 /**
@@ -32,9 +32,46 @@ fun Context.toast(message: Int) {
 * @param message The text of the message to show.
 */
 fun Context.toast(message: CharSequence) {
-    ToastCompat.makeText(this, message, Toast.LENGTH_SHORT).show()
+    Toasty.normal(this, message).show()
 }

+/**
+ * Shows a toast message with the given resource ID.
+ *
+ * @param message The resource ID of the message to show.
+ */
+fun Context.toastSuccess(message: Int) {
+    Toasty.success(this, message, Toast.LENGTH_SHORT, true).show()
+}
+
+/**
+ * Shows a toast message with the given text.
+ *
+ * @param message The text of the message to show.
+ */
+fun Context.toastSuccess(message: CharSequence) {
+    Toasty.success(this, message, Toast.LENGTH_SHORT, true).show()
+}
+
+/**
+ * Shows a toast message with the given resource ID.
+ *
+ * @param message The resource ID of the message to show.
+ */
+fun Context.toastError(message: Int) {
+    Toasty.error(this, message, Toast.LENGTH_SHORT, true).show()
+}
+
+/**
+ * Shows a toast message with the given text.
+ *
+ * @param message The text of the message to show.
+ */
+fun Context.toastError(message: CharSequence) {
+    Toasty.error(this, message, Toast.LENGTH_SHORT, true).show()
+}
+
+
 /**
 * Puts a key-value pair into the JSONObject.
 *
@@ -94,7 +131,7 @@ val URI.idnHost: String
 *
 * @return The string without whitespace.
 */
-fun String.removeWhiteSpace(): String = replace("\\s+".toRegex(), "")
+fun String?.removeWhiteSpace(): String? = this?.replace(" ", "")

 /**
 * Converts the string to a Long value, or returns 0 if the conversion fails.
@@ -159,4 +196,17 @@ inline fun <reified T : Serializable> Intent.serializable(key: String): T? = whe
 *
 * @return True if the CharSequence is not null and not empty, false otherwise.
 */
-fun CharSequence?.isNotNullEmpty(): Boolean = (this != null && this.isNotEmpty())
+fun CharSequence?.isNotNullEmpty(): Boolean = this != null && this.isNotEmpty()
+
+fun String.concatUrl(vararg paths: String): String {
+    val builder = StringBuilder(this.trimEnd('/'))
+
+    paths.forEach { path ->
+        val trimmedPath = path.trim('/')
+        if (trimmedPath.isNotEmpty()) {
+            builder.append('/').append(trimmedPath)
+        }
+    }
+
+    return builder.toString()
+}
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/FmtBase.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/FmtBase.kt
@@ -18,9 +18,9 @@ open class FmtBase {
     */
    fun toUri(config: ProfileItem, userInfo: String?, dicQuery: HashMap<String, String>?): String {
        val query = if (dicQuery != null)
-            ("?" + dicQuery.toList().joinToString(
+            "?" + dicQuery.toList().joinToString(
                separator = "&",
-                transform = { it.first + "=" + Utils.urlEncode(it.second) }))
+                transform = { it.first + "=" + Utils.urlEncode(it.second) })
        else ""

        val url = String.format(
@@ -120,7 +120,7 @@ open class FmtBase {
                config.path.let { if (it.isNotNullEmpty()) dicQuery["path"] = it.orEmpty() }
            }

-             NetworkType.XHTTP -> {
+            NetworkType.XHTTP -> {
                config.host.let { if (it.isNotNullEmpty()) dicQuery["host"] = it.orEmpty() }
                config.path.let { if (it.isNotNullEmpty()) dicQuery["path"] = it.orEmpty() }
                config.xhttpMode.let { if (it.isNotNullEmpty()) dicQuery["mode"] = it.orEmpty() }
@@ -148,4 +148,4 @@ open class FmtBase {

        return dicQuery
    }
-}
+}
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/ShadowsocksFmt.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/ShadowsocksFmt.kt
@@ -1,5 +1,7 @@
 package com.v2ray.ang.fmt

+import android.util.Log
+import com.v2ray.ang.AppConfig
 import com.v2ray.ang.dto.EConfigType
 import com.v2ray.ang.dto.NetworkType
 import com.v2ray.ang.dto.ProfileItem
@@ -82,7 +84,7 @@ object ShadowsocksFmt : FmtBase() {
                config.remarks =
                    Utils.urlDecode(result.substring(indexSplit + 1, result.length))
            } catch (e: Exception) {
-                e.printStackTrace()
+                Log.e(AppConfig.TAG, "Failed to decode remarks in SS legacy URL", e)
            }

            result = result.substring(0, indexSplit)
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/VmessFmt.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/VmessFmt.kt
@@ -33,7 +33,7 @@ object VmessFmt : FmtBase() {
        var result = str.replace(EConfigType.VMESS.protocolScheme, "")
        result = Utils.decode(result)
        if (TextUtils.isEmpty(result)) {
-            Log.d(AppConfig.ANG_PACKAGE, "R.string.toast_decoding_failed")
+            Log.w(AppConfig.TAG, "Toast decoding failed")
            return null
        }
        val vmessQRCode = JsonUtil.fromJson(result, VmessQRCode::class.java)
@@ -43,7 +43,7 @@ object VmessFmt : FmtBase() {
            || TextUtils.isEmpty(vmessQRCode.id)
            || TextUtils.isEmpty(vmessQRCode.net)
        ) {
-            Log.d(AppConfig.ANG_PACKAGE, "R.string.toast_incorrect_protocol")
+            Log.w(AppConfig.TAG, "Toast incorrect protocol")
            return null
        }

@@ -73,6 +73,7 @@ object VmessFmt : FmtBase() {
                config.serviceName = vmessQRCode.path
                config.authority = vmessQRCode.host
            }
+
            else -> {}
        }

@@ -119,6 +120,7 @@ object VmessFmt : FmtBase() {
                vmessQRCode.path = config.serviceName.orEmpty()
                vmessQRCode.host = config.authority.orEmpty()
            }
+
            else -> {}
        }

--- a/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/WireguardFmt.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/fmt/WireguardFmt.kt
@@ -6,6 +6,7 @@ import com.v2ray.ang.dto.EConfigType
 import com.v2ray.ang.dto.ProfileItem
 import com.v2ray.ang.dto.V2rayConfig.OutboundBean
 import com.v2ray.ang.extension.idnHost
+import com.v2ray.ang.extension.removeWhiteSpace
 import com.v2ray.ang.util.Utils
 import java.net.URI

@@ -28,11 +29,11 @@ object WireguardFmt : FmtBase() {
        config.serverPort = uri.port.toString()

        config.secretKey = uri.userInfo.orEmpty()
-        config.localAddress = (queryParam["address"] ?: WIREGUARD_LOCAL_ADDRESS_V4)
+        config.localAddress = queryParam["address"] ?: WIREGUARD_LOCAL_ADDRESS_V4
        config.publicKey = queryParam["publickey"].orEmpty()
        config.preSharedKey = queryParam["presharedkey"].orEmpty()
        config.mtu = Utils.parseInt(queryParam["mtu"] ?: AppConfig.WIREGUARD_LOCAL_MTU)
-        config.reserved = (queryParam["reserved"] ?: "0,0,0")
+        config.reserved = queryParam["reserved"] ?: "0,0,0"

        return config
    }
@@ -132,14 +133,14 @@ object WireguardFmt : FmtBase() {

        dicQuery["publickey"] = config.publicKey.orEmpty()
        if (config.reserved != null) {
-            dicQuery["reserved"] = Utils.removeWhiteSpace(config.reserved).orEmpty()
+            dicQuery["reserved"] = config.reserved.removeWhiteSpace().orEmpty()
        }
-        dicQuery["address"] = Utils.removeWhiteSpace(config.localAddress).orEmpty()
+        dicQuery["address"] = config.localAddress.removeWhiteSpace().orEmpty()
        if (config.mtu != null) {
            dicQuery["mtu"] = config.mtu.toString()
        }
        if (config.preSharedKey != null) {
-            dicQuery["presharedkey"] = Utils.removeWhiteSpace(config.preSharedKey).orEmpty()
+            dicQuery["presharedkey"] = config.preSharedKey.removeWhiteSpace().orEmpty()
        }

        return toUri(config, config.secretKey, dicQuery)
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/handler/AngConfigManager.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/handler/AngConfigManager.kt
@@ -7,7 +7,9 @@ import android.util.Log
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.AppConfig.HY2
 import com.v2ray.ang.R
-import com.v2ray.ang.dto.*
+import com.v2ray.ang.dto.EConfigType
+import com.v2ray.ang.dto.ProfileItem
+import com.v2ray.ang.dto.SubscriptionItem
 import com.v2ray.ang.fmt.CustomFmt
 import com.v2ray.ang.fmt.Hysteria2Fmt
 import com.v2ray.ang.fmt.ShadowsocksFmt
@@ -42,7 +44,7 @@ object AngConfigManager {
            Utils.setClipboard(context, conf)

        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to share config to clipboard", e)
            return -1
        }
        return 0
@@ -71,7 +73,7 @@ object AngConfigManager {
            }
            return sb.lines().count()
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to share non-custom configs to clipboard", e)
            return -1
        }
    }
@@ -91,7 +93,7 @@ object AngConfigManager {
            return QRCodeDecoder.createQRCode(conf)

        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to share config as QR code", e)
            return null
        }
    }
@@ -120,7 +122,7 @@ object AngConfigManager {
                return -1
            }
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to share full content to clipboard", e)
            return -1
        }
        return 0
@@ -148,7 +150,7 @@ object AngConfigManager {
                EConfigType.HYSTERIA2 -> Hysteria2Fmt.toUri(config)
            }
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to share config for GUID: $guid", e)
            return ""
        }
    }
@@ -203,7 +205,7 @@ object AngConfigManager {
                }
            return count
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to parse batch subscription", e)
        }
        return 0
    }
@@ -251,7 +253,7 @@ object AngConfigManager {
                }
            return count
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to parse batch config", e)
        }
        return 0
    }
@@ -287,7 +289,7 @@ object AngConfigManager {
                    return count
                }
            } catch (e: Exception) {
-                e.printStackTrace()
+                Log.e(AppConfig.TAG, "Failed to parse custom config server JSON array", e)
            }

            try {
@@ -298,7 +300,7 @@ object AngConfigManager {
                MmkvManager.encodeServerRaw(key, server)
                return 1
            } catch (e: Exception) {
-                e.printStackTrace()
+                Log.e(AppConfig.TAG, "Failed to parse custom config server as single config", e)
            }
            return 0
        } else if (server.startsWith("[Interface]") && server.contains("[Peer]")) {
@@ -308,7 +310,7 @@ object AngConfigManager {
                MmkvManager.encodeServerRaw(key, server)
                return 1
            } catch (e: Exception) {
-                e.printStackTrace()
+                Log.e(AppConfig.TAG, "Failed to parse WireGuard config file", e)
            }
            return 0
        } else {
@@ -372,7 +374,7 @@ object AngConfigManager {
                MmkvManager.setSelectServer(guid)
            }
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to parse config", e)
            return -1
        }
        return 0
@@ -390,7 +392,7 @@ object AngConfigManager {
                count += updateConfigViaSub(it)
            }
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to update config via all subscriptions", e)
            return 0
        }
        return count
@@ -417,21 +419,23 @@ object AngConfigManager {
            if (!Utils.isValidUrl(url)) {
                return 0
            }
-            Log.d(AppConfig.ANG_PACKAGE, url)
+            if (!Utils.isValidSubUrl(url)) {
+                return 0
+            }
+            Log.i(AppConfig.TAG, url)

            var configText = try {
                val httpPort = SettingsManager.getHttpPort()
                HttpUtil.getUrlContentWithUserAgent(url, 15000, httpPort)
            } catch (e: Exception) {
-                Log.e(AppConfig.ANG_PACKAGE, "Update subscription: proxy not ready or other error, try……")
-                //e.printStackTrace()
+                Log.e(AppConfig.ANG_PACKAGE, "Update subscription: proxy not ready or other error", e)
                ""
            }
            if (configText.isEmpty()) {
                configText = try {
                    HttpUtil.getUrlContentWithUserAgent(url)
                } catch (e: Exception) {
-                    e.printStackTrace()
+                    Log.e(AppConfig.TAG, "Update subscription: Failed to get URL content with user agent", e)
                    ""
                }
            }
@@ -440,7 +444,7 @@ object AngConfigManager {
            }
            return parseConfigViaSub(configText, it.first, false)
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to update config via subscription", e)
            return 0
        }
    }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/handler/MigrateManager.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/handler/MigrateManager.kt
@@ -3,14 +3,13 @@ package com.v2ray.ang.handler
 import android.util.Log
 import com.tencent.mmkv.MMKV
 import com.v2ray.ang.AppConfig
-import com.v2ray.ang.AppConfig.ANG_PACKAGE
 import com.v2ray.ang.dto.EConfigType
 import com.v2ray.ang.dto.NetworkType
 import com.v2ray.ang.dto.ProfileItem
 import com.v2ray.ang.dto.ServerConfig
+import com.v2ray.ang.extension.removeWhiteSpace
 import com.v2ray.ang.handler.MmkvManager.decodeServerConfig
 import com.v2ray.ang.util.JsonUtil
-import com.v2ray.ang.util.Utils

 object MigrateManager {
    private const val ID_SERVER_CONFIG = "SERVER_CONFIG"
@@ -26,7 +25,7 @@ object MigrateManager {
            return false
        }
        val serverList = serverStorage.allKeys() ?: return false
-        Log.d(ANG_PACKAGE, "migrateServerConfig2Profile-" + serverList.count())
+        Log.i(AppConfig.TAG, "migrateServerConfig2Profile-" + serverList.count())

        for (guid in serverList) {
            var configOld = decodeServerConfigOld(guid) ?: continue
@@ -43,9 +42,9 @@ object MigrateManager {
            //check and remove old
            decodeServerConfig(guid) ?: continue
            serverStorage.remove(guid)
-            Log.d(ANG_PACKAGE, "migrateServerConfig2Profile-" + config.remarks)
+            Log.i(AppConfig.TAG, "migrateServerConfig2Profile-" + config.remarks)
        }
-        Log.d(ANG_PACKAGE, "migrateServerConfig2Profile-end")
+        Log.i(AppConfig.TAG, "migrateServerConfig2Profile-end")
        return true
    }

@@ -109,7 +108,7 @@ object MigrateManager {
        config.insecure = tlsSettings?.allowInsecure
        config.sni = tlsSettings?.serverName
        config.fingerPrint = tlsSettings?.fingerprint
-        config.alpn = Utils.removeWhiteSpace(tlsSettings?.alpn?.joinToString(",")).toString()
+        config.alpn = tlsSettings?.alpn?.joinToString(",").removeWhiteSpace().toString()

        config.publicKey = tlsSettings?.publicKey
        config.shortId = tlsSettings?.shortId
@@ -172,10 +171,10 @@ object MigrateManager {

        outbound.settings?.let { wireguard ->
            config.secretKey = wireguard.secretKey
-            config.localAddress = Utils.removeWhiteSpace((wireguard.address as List<*>).joinToString(",")).toString()
+            config.localAddress = (wireguard.address as List<*>).joinToString(",").removeWhiteSpace().toString()
            config.publicKey = wireguard.peers?.getOrNull(0)?.publicKey
            config.mtu = wireguard.mtu
-            config.reserved = Utils.removeWhiteSpace(wireguard.reserved?.joinToString(",")).toString()
+            config.reserved = wireguard.reserved?.joinToString(",").removeWhiteSpace().toString()
        }
        return config
    }
@@ -199,7 +198,7 @@ object MigrateManager {
        outbound.streamSettings?.tlsSettings?.let { tlsSetting ->
            config.insecure = tlsSetting.allowInsecure
            config.sni = tlsSetting.serverName
-            config.alpn = Utils.removeWhiteSpace(tlsSetting.alpn?.joinToString(",")).orEmpty()
+            config.alpn = tlsSetting.alpn?.joinToString(",").removeWhiteSpace().orEmpty()

        }
        config.obfsPassword = outbound.settings?.obfsPassword
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/handler/MmkvManager.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/handler/MmkvManager.kt
@@ -571,7 +571,7 @@ object MmkvManager {
     * @param startOnBoot Whether to start on boot.
     */
    fun encodeStartOnBoot(startOnBoot: Boolean) {
-        MmkvManager.encodeSettings(PREF_IS_BOOTED, startOnBoot)
+        encodeSettings(PREF_IS_BOOTED, startOnBoot)
    }

    /**
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/handler/SettingsManager.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/handler/SettingsManager.kt
@@ -84,7 +84,7 @@ object SettingsManager {
            resetRoutingRulesetsCommon(rulesetList)
            return true
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(ANG_PACKAGE, "Failed to reset routing rulesets", e)
            return false
        }
    }
@@ -167,11 +167,11 @@ object SettingsManager {
        }

        val guid = MmkvManager.getSelectServer() ?: return false
-        val config = MmkvManager.decodeServerConfig(guid) ?: return false
+        val config = decodeServerConfig(guid) ?: return false
        if (config.configType == EConfigType.CUSTOM) {
            val raw = MmkvManager.decodeServerRaw(guid) ?: return false
            val v2rayConfig = JsonUtil.fromJson(raw, V2rayConfig::class.java)
-            val exist = v2rayConfig.routing.rules.filter { it.outboundTag == TAG_DIRECT }?.any {
+            val exist = v2rayConfig.routing.rules.filter { it.outboundTag == TAG_DIRECT }.any {
                it.domain?.contains(GEOSITE_PRIVATE) == true || it.ip?.contains(GEOIP_PRIVATE) == true
            }
            return exist == true
@@ -242,7 +242,7 @@ object SettingsManager {
     * @return The HTTP port.
     */
    fun getHttpPort(): Int {
-        return getSocksPort() + (if (Utils.isXray()) 0 else 1)
+        return getSocksPort() + if (Utils.isXray()) 0 else 1
    }

    /**
@@ -265,10 +265,7 @@ object SettingsManager {
                            input.copyTo(output)
                        }
                    }
-                    Log.i(
-                        ANG_PACKAGE,
-                        "Copied from apk assets folder to ${target.absolutePath}"
-                    )
+                    Log.i(AppConfig.TAG, "Copied from apk assets folder to ${target.absolutePath}")
                }
        } catch (e: Exception) {
            Log.e(ANG_PACKAGE, "asset copy failed", e)
@@ -319,10 +316,10 @@ object SettingsManager {
     */
    fun getDelayTestUrl(second: Boolean = false): String {
        return if (second) {
-            AppConfig.DelayTestUrl2
+            AppConfig.DELAY_TEST_URL2
        } else {
            MmkvManager.decodeSettingsString(AppConfig.PREF_DELAY_TEST_URL)
-                ?: AppConfig.DelayTestUrl
+                ?: AppConfig.DELAY_TEST_URL
        }
    }

@@ -343,6 +340,7 @@ object SettingsManager {
            Language.VIETNAMESE -> Locale("vi")
            Language.RUSSIAN -> Locale("ru")
            Language.PERSIAN -> Locale("fa")
+            Language.ARABIC -> Locale("ar")
            Language.BANGLA -> Locale("bn")
            Language.BAKHTIARI -> Locale("bqi", "IR")
        }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/handler/SpeedtestManager.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/handler/SpeedtestManager.kt
@@ -51,7 +51,7 @@ object SpeedtestManager {
        return try {
            Libv2ray.measureOutboundDelay(config, SettingsManager.getDelayTestUrl())
        } catch (e: Exception) {
-            Log.d(AppConfig.ANG_PACKAGE, "realPing: $e")
+            Log.e(AppConfig.TAG, "Failed to measure outbound delay", e)
            -1L
        }
    }
@@ -76,7 +76,7 @@ object SpeedtestManager {
                }
            }
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to ping URL: $url", e)
        }
        return "-1ms"
    }
@@ -103,11 +103,11 @@ object SpeedtestManager {
            socket.close()
            return time
        } catch (e: UnknownHostException) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Unknown host: $url", e)
        } catch (e: IOException) {
-            Log.d(AppConfig.ANG_PACKAGE, "socketConnectTime IOException: $e")
+            Log.e(AppConfig.TAG, "socketConnectTime IOException: $e")
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to establish socket connection to $url:$port", e)
        }
        return -1
    }
@@ -152,13 +152,13 @@ object SpeedtestManager {
                )
            }
        } catch (e: IOException) {
-            Log.d(AppConfig.ANG_PACKAGE, "testConnection IOException: " + Log.getStackTraceString(e))
+            Log.e(AppConfig.TAG, "Connection test IOException", e)
            result = context.getString(R.string.connection_test_error, e.message)
        } catch (e: Exception) {
-            Log.d(AppConfig.ANG_PACKAGE, "testConnection Exception: " + Log.getStackTraceString(e))
+            Log.e(AppConfig.TAG, "Connection test Exception", e)
            result = context.getString(R.string.connection_test_error, e.message)
        } finally {
-            conn?.disconnect()
+            conn.disconnect()
        }

        return Pair(elapsed, result)
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/handler/UpdateCheckerManager.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/handler/UpdateCheckerManager.kt
@@ -0,0 +1,112 @@
+package com.v2ray.ang.handler
+
+import android.content.Context
+import android.os.Build
+import android.util.Log
+import com.v2ray.ang.AppConfig
+import com.v2ray.ang.BuildConfig
+import com.v2ray.ang.dto.CheckUpdateResult
+import com.v2ray.ang.dto.GitHubRelease
+import com.v2ray.ang.extension.concatUrl
+import com.v2ray.ang.util.HttpUtil
+import com.v2ray.ang.util.JsonUtil
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import java.io.File
+import java.io.FileOutputStream
+
+object UpdateCheckerManager {
+    suspend fun checkForUpdate(includePreRelease: Boolean = false): CheckUpdateResult = withContext(Dispatchers.IO) {
+        try {
+            val url = if (includePreRelease) {
+                AppConfig.APP_API_URL
+            } else {
+                AppConfig.APP_API_URL.concatUrl("latest")
+            }
+
+            var response = HttpUtil.getUrlContent(url, 5000)
+            if (response.isNullOrEmpty()) {
+                val httpPort = SettingsManager.getHttpPort()
+                response = HttpUtil.getUrlContent(url, 5000, httpPort) ?: throw IllegalStateException("Failed to get response")
+            }
+
+            val latestRelease = if (includePreRelease) {
+                JsonUtil.fromJson(response, Array<GitHubRelease>::class.java)
+                    .firstOrNull()
+                    ?: throw IllegalStateException("No pre-release found")
+            } else {
+                JsonUtil.fromJson(response, GitHubRelease::class.java)
+            }
+
+            val latestVersion = latestRelease.tagName.removePrefix("v")
+            Log.i(AppConfig.TAG, "Found new version: $latestVersion (current: ${BuildConfig.VERSION_NAME})")
+
+            return@withContext if (compareVersions(latestVersion, BuildConfig.VERSION_NAME) > 0) {
+                val downloadUrl = getDownloadUrl(latestRelease, Build.SUPPORTED_ABIS[0])
+                CheckUpdateResult(
+                    hasUpdate = true,
+                    latestVersion = latestVersion,
+                    releaseNotes = latestRelease.body,
+                    downloadUrl = downloadUrl,
+                    isPreRelease = latestRelease.prerelease
+                )
+            } else {
+                CheckUpdateResult(hasUpdate = false)
+            }
+        } catch (e: Exception) {
+            Log.e(AppConfig.TAG, "Failed to check for updates: ${e.message}")
+            return@withContext CheckUpdateResult(hasUpdate = false, error = e.message)
+        }
+    }
+
+    suspend fun downloadApk(context: Context, downloadUrl: String): File? = withContext(Dispatchers.IO) {
+        try {
+            val httpPort = SettingsManager.getHttpPort()
+            val connection = HttpUtil.createProxyConnection(downloadUrl, httpPort, 10000, 10000, true)
+                ?: throw IllegalStateException("Failed to create connection")
+
+            try {
+                val apkFile = File(context.cacheDir, "update.apk")
+                Log.i(AppConfig.TAG, "Downloading APK to: ${apkFile.absolutePath}")
+
+                FileOutputStream(apkFile).use { outputStream ->
+                    connection.inputStream.use { inputStream ->
+                        inputStream.copyTo(outputStream)
+                    }
+                }
+                Log.i(AppConfig.TAG, "APK download completed")
+                return@withContext apkFile
+            } catch (e: Exception) {
+                Log.e(AppConfig.TAG, "Failed to download APK: ${e.message}")
+                return@withContext null
+            } finally {
+                try {
+                    connection.disconnect()
+                } catch (e: Exception) {
+                    Log.e(AppConfig.TAG, "Error closing connection: ${e.message}")
+                }
+            }
+        } catch (e: Exception) {
+            Log.e(AppConfig.TAG, "Failed to initiate download: ${e.message}")
+            return@withContext null
+        }
+    }
+
+    private fun compareVersions(version1: String, version2: String): Int {
+        val v1 = version1.split(".")
+        val v2 = version2.split(".")
+
+        for (i in 0 until maxOf(v1.size, v2.size)) {
+            val num1 = if (i < v1.size) v1[i].toInt() else 0
+            val num2 = if (i < v2.size) v2[i].toInt() else 0
+            if (num1 != num2) return num1 - num2
+        }
+        return 0
+    }
+
+    private fun getDownloadUrl(release: GitHubRelease, abi: String): String {
+        return release.assets.find { it.name.contains(abi) }?.browserDownloadUrl
+            ?: release.assets.firstOrNull()?.browserDownloadUrl
+            ?: throw IllegalStateException("No compatible APK found")
+    }
+}
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/handler/V2rayConfigManager.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/handler/V2rayConfigManager.kt
@@ -4,7 +4,6 @@ import android.content.Context
 import android.text.TextUtils
 import android.util.Log
 import com.v2ray.ang.AppConfig
-import com.v2ray.ang.AppConfig.ANG_PACKAGE
 import com.v2ray.ang.AppConfig.DEFAULT_NETWORK
 import com.v2ray.ang.AppConfig.DNS_ALIDNS_ADDRESSES
 import com.v2ray.ang.AppConfig.DNS_ALIDNS_DOMAIN
@@ -52,6 +51,7 @@ import com.v2ray.ang.util.JsonUtil
 import com.v2ray.ang.util.Utils

 object V2rayConfigManager {
+    private var initConfigCache: String? = null

    /**
     * Retrieves the V2ray configuration for the given GUID.
@@ -63,47 +63,72 @@ object V2rayConfigManager {
    fun getV2rayConfig(context: Context, guid: String): ConfigResult {
        try {
            val config = MmkvManager.decodeServerConfig(guid) ?: return ConfigResult(false)
-            if (config.configType == EConfigType.CUSTOM) {
-                val raw = MmkvManager.decodeServerRaw(guid) ?: return ConfigResult(false)
-                val domainPort = config.getServerAddressAndPort()
-                return ConfigResult(true, guid, raw, domainPort)
+            return if (config.configType == EConfigType.CUSTOM) {
+                getV2rayCustomConfig(guid, config)
+            } else {
+                getV2rayNormalConfig(context, guid, config)
            }
-
-            val result = getV2rayNonCustomConfig(context, config)
-            //Log.d(ANG_PACKAGE, result.content)
-            result.guid = guid
-            return result
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to get V2ray config", e)
            return ConfigResult(false)
        }
    }

    /**
-     * Retrieves the non-custom V2ray configuration.
+     * Retrieves the speedtest V2ray configuration for the given GUID.
     *
-     * @param context The context in which the function is called.
+     * @param context The context of the caller.
+     * @param guid The unique identifier for the V2ray configuration.
+     * @return A ConfigResult object containing the configuration details or indicating failure.
+     */
+    fun getV2rayConfig4Speedtest(context: Context, guid: String): ConfigResult {
+        try {
+            val config = MmkvManager.decodeServerConfig(guid) ?: return ConfigResult(false)
+            return if (config.configType == EConfigType.CUSTOM) {
+                getV2rayCustomConfig(guid, config)
+            } else {
+                getV2rayNormalConfig4Speedtest(context, guid, config)
+            }
+        } catch (e: Exception) {
+            Log.e(AppConfig.TAG, "Failed to get V2ray config for speedtest", e)
+            return ConfigResult(false)
+        }
+    }
+
+    /**
+     * Retrieves the custom V2ray configuration.
+     *
+     * @param guid The unique identifier for the V2ray configuration.
     * @param config The profile item containing the configuration details.
     * @return A ConfigResult object containing the result of the configuration retrieval.
     */
-    private fun getV2rayNonCustomConfig(context: Context, config: ProfileItem): ConfigResult {
+    private fun getV2rayCustomConfig(guid: String, config: ProfileItem): ConfigResult {
+        val raw = MmkvManager.decodeServerRaw(guid) ?: return ConfigResult(false)
+        val domainPort = config.getServerAddressAndPort()
+        return ConfigResult(true, guid, raw, domainPort)
+    }
+
+    /**
+     * Retrieves the normal V2ray configuration.
+     *
+     * @param context The context in which the function is called.
+     * @param guid The unique identifier for the V2ray configuration.
+     * @param config The profile item containing the configuration details.
+     * @return A ConfigResult object containing the result of the configuration retrieval.
+     */
+    private fun getV2rayNormalConfig(context: Context, guid: String, config: ProfileItem): ConfigResult {
        val result = ConfigResult(false)

        val address = config.server ?: return result
        if (!Utils.isIpAddress(address)) {
            if (!Utils.isValidUrl(address)) {
-                Log.d(ANG_PACKAGE, "$address is an invalid ip or domain")
+                Log.w(AppConfig.TAG, "$address is an invalid ip or domain")
                return result
            }
        }

-        val assets = Utils.readTextFromAssets(context, "v2ray_config.json")
-        if (TextUtils.isEmpty(assets)) {
-            return result
-        }
-        val v2rayConfig = JsonUtil.fromJson(assets, V2rayConfig::class.java) ?: return result
-        v2rayConfig.log.loglevel =
-            MmkvManager.decodeSettingsString(AppConfig.PREF_LOGLEVEL) ?: "warning"
+        val v2rayConfig = initV2rayConfig(context) ?: return result
+        v2rayConfig.log.loglevel = MmkvManager.decodeSettingsString(AppConfig.PREF_LOGLEVEL) ?: "warning"
        v2rayConfig.remarks = config.remarks

        inbounds(v2rayConfig)
@@ -129,9 +154,75 @@ object V2rayConfigManager {
        result.status = true
        result.content = v2rayConfig.toPrettyPrinting()
        result.domainPort = if (retMore.first) retMore.second else retOut.second
+        result.guid = guid
        return result
    }

+    /**
+     * Retrieves the normal V2ray configuration for speedtest.
+     *
+     * @param context The context in which the function is called.
+     * @param guid The unique identifier for the V2ray configuration.
+     * @param config The profile item containing the configuration details.
+     * @return A ConfigResult object containing the result of the configuration retrieval.
+     */
+    private fun getV2rayNormalConfig4Speedtest(context: Context, guid: String, config: ProfileItem): ConfigResult {
+        val result = ConfigResult(false)
+
+        val address = config.server ?: return result
+        if (!Utils.isIpAddress(address)) {
+            if (!Utils.isValidUrl(address)) {
+                Log.w(AppConfig.TAG, "$address is an invalid ip or domain")
+                return result
+            }
+        }
+
+        val v2rayConfig = initV2rayConfig(context) ?: return result
+
+        val isPlugin = config.configType == EConfigType.HYSTERIA2
+        val retOut = outbounds(v2rayConfig, config, isPlugin) ?: return result
+        val retMore = moreOutbounds(v2rayConfig, config.subscriptionId, isPlugin)
+
+        v2rayConfig.log.loglevel = MmkvManager.decodeSettingsString(AppConfig.PREF_LOGLEVEL) ?: "warning"
+        v2rayConfig.inbounds.clear()
+        v2rayConfig.routing.rules.clear()
+        v2rayConfig.dns = null
+        v2rayConfig.fakedns = null
+        v2rayConfig.stats = null
+        v2rayConfig.policy = null
+
+        v2rayConfig.outbounds.forEach { key ->
+            key.mux = null
+        }
+
+        result.status = true
+        result.content = v2rayConfig.toPrettyPrinting()
+        result.domainPort = if (retMore.first) retMore.second else retOut.second
+        result.guid = guid
+        return result
+    }
+
+    /**
+     * Initializes V2ray configuration.
+     *
+     * This function loads the V2ray configuration from assets or from a cached value.
+     * It first attempts to use the cached configuration if available, otherwise reads
+     * the configuration from the "v2ray_config.json" asset file.
+     *
+     * @param context Android context used to access application assets
+     * @return V2rayConfig object parsed from the JSON configuration, or null if the configuration is empty
+     */
+
+    private fun initV2rayConfig(context: Context): V2rayConfig? {
+        val assets = initConfigCache ?: Utils.readTextFromAssets(context, "v2ray_config.json")
+        if (TextUtils.isEmpty(assets)) {
+            return null
+        }
+        initConfigCache = assets
+        val config = JsonUtil.fromJson(assets, V2rayConfig::class.java)
+        return config
+    }
+
    private fun inbounds(v2rayConfig: V2rayConfig): Boolean {
        try {
            val socksPort = SettingsManager.getSocksPort()
@@ -164,7 +255,7 @@ object V2rayConfigManager {
            }

        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to configure inbounds", e)
            return false
        }
        return true
@@ -227,7 +318,7 @@ object V2rayConfigManager {
                routingUserRule(key, v2rayConfig)
            }
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to configure routing", e)
            return false
        }
        return true
@@ -244,7 +335,7 @@ object V2rayConfigManager {
            v2rayConfig.routing.rules.add(rule)

        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to apply routing user rule", e)
        }
    }

@@ -274,7 +365,7 @@ object V2rayConfigManager {
                val proxyDomain = userRule2Domain(TAG_PROXY)
                val directDomain = userRule2Domain(TAG_DIRECT)
                // fakedns with all domains to make it always top priority
-                v2rayConfig.dns.servers?.add(
+                v2rayConfig.dns?.servers?.add(
                    0,
                    V2rayConfig.DnsBean.ServersBean(
                        address = "fakedns",
@@ -330,7 +421,7 @@ object V2rayConfigManager {
                )
            )
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to configure custom local DNS", e)
            return false
        }
        return true
@@ -394,7 +485,7 @@ object V2rayConfigManager {
                    if (userHostsMap != null) hosts.putAll(userHostsMap)
                }
            } catch (e: Exception) {
-                e.printStackTrace()
+                Log.e(AppConfig.TAG, "Failed to configure user DNS hosts", e)
            }

            //block dns
@@ -433,7 +524,7 @@ object V2rayConfigManager {
                )
            }
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to configure DNS", e)
            return false
        }
        return true
@@ -459,7 +550,7 @@ object V2rayConfigManager {
                outbound.mux?.enabled = true
                outbound.mux?.concurrency = MmkvManager.decodeSettingsString(AppConfig.PREF_MUX_CONCURRENCY, "8").orEmpty().toInt()
                outbound.mux?.xudpConcurrency = MmkvManager.decodeSettingsString(AppConfig.PREF_MUX_XUDP_CONCURRENCY, "16").orEmpty().toInt()
-                outbound.mux?.xudpProxyUDP443 = MmkvManager.decodeSettingsString(AppConfig.PREF_MUX_XUDP_QUIC,"reject")
+                outbound.mux?.xudpProxyUDP443 = MmkvManager.decodeSettingsString(AppConfig.PREF_MUX_XUDP_QUIC, "reject")
                if (protocol.equals(EConfigType.VLESS.name, true) && outbound.settings?.vnext?.first()?.users?.first()?.flow?.isNotEmpty() == true) {
                    outbound.mux?.concurrency = -1
                }
@@ -504,7 +595,7 @@ object V2rayConfigManager {


        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to update outbound with global settings", e)
            return false
        }
        return true
@@ -570,7 +661,7 @@ object V2rayConfigManager {
                    dialerProxy = TAG_FRAGMENT
                )
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to update outbound fragment", e)
            return false
        }
        return true
@@ -633,7 +724,7 @@ object V2rayConfigManager {
                }
            }
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to configure more outbounds", e)
            return returnPair
        }

--- a/V2rayNG/app/src/main/java/com/v2ray/ang/helper/SimpleItemTouchHelperCallback.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/helper/SimpleItemTouchHelperCallback.kt
@@ -107,7 +107,7 @@ class SimpleItemTouchHelperCallback(private val mAdapter: ItemTouchHelperAdapter
            addUpdateListener { animation ->
                val value = animation.animatedValue as Float
                viewHolder.itemView.translationX = value
-                viewHolder.itemView.alpha = (1f - abs(value) / (viewHolder.itemView.width * SWIPE_THRESHOLD))
+                viewHolder.itemView.alpha = 1f - abs(value) / (viewHolder.itemView.width * SWIPE_THRESHOLD)
            }
            interpolator = DecelerateInterpolator()
            duration = ANIMATION_DURATION
@@ -144,4 +144,4 @@ class SimpleItemTouchHelperCallback(private val mAdapter: ItemTouchHelperAdapter
        private const val SWIPE_THRESHOLD = 0.25f
        private const val ANIMATION_DURATION: Long = 200
    }
-}
+}
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/plugin/PluginManager.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/plugin/PluginManager.kt
@@ -32,10 +32,10 @@ import android.database.Cursor
 import android.net.Uri
 import android.os.Build
 import android.system.Os
-import android.widget.Toast
 import androidx.core.os.bundleOf
 import com.v2ray.ang.AngApplication
 import com.v2ray.ang.extension.listenForPackageChanges
+import com.v2ray.ang.extension.toast
 import com.v2ray.ang.plugin.PluginContract.METADATA_KEY_ID
 import java.io.File
 import java.io.FileNotFoundException
@@ -126,7 +126,7 @@ object PluginManager {
        if (providers.size > 1) {
            val message =
                "Conflicting plugins found from: ${providers.joinToString { it.providerInfo.packageName }}"
-            Toast.makeText(AngApplication.application, message, Toast.LENGTH_LONG).show()
+            AngApplication.application.toast(message)
            throw IllegalStateException(message)
        }
        val provider = providers.single().providerInfo
@@ -224,8 +224,8 @@ object PluginManager {

    fun ComponentInfo.loadString(key: String) = when (val value = metaData.getString(key)) {
        is String -> value
-        is Int -> AngApplication.application.packageManager.getResourcesForApplication(applicationInfo)
-            .getString(value)
+//        is Int -> AngApplication.application.packageManager.getResourcesForApplication(applicationInfo)
+//            .getString(value)

        null -> null
        else -> error("meta-data $key has invalid type ${value.javaClass}")
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/receiver/TaskerReceiver.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/receiver/TaskerReceiver.kt
@@ -35,7 +35,7 @@ class TaskerReceiver : BroadcastReceiver() {
                V2RayServiceManager.stopVService(context)
            }
        } catch (e: Exception) {
-            e.printStackTrace()
+            android.util.Log.e(AppConfig.TAG, "Error processing Tasker broadcast", e)
        }
    }
 }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/service/ProcessService.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/service/ProcessService.kt
@@ -2,7 +2,7 @@ package com.v2ray.ang.service

 import android.content.Context
 import android.util.Log
-import com.v2ray.ang.AppConfig.ANG_PACKAGE
+import com.v2ray.ang.AppConfig
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -16,7 +16,7 @@ class ProcessService {
     * @param cmd The command to run.
     */
    fun runProcess(context: Context, cmd: MutableList<String>) {
-        Log.d(ANG_PACKAGE, cmd.toString())
+        Log.i(AppConfig.TAG, cmd.toString())

        try {
            val proBuilder = ProcessBuilder(cmd)
@@ -27,14 +27,14 @@ class ProcessService {

            CoroutineScope(Dispatchers.IO).launch {
                Thread.sleep(50L)
-                Log.d(ANG_PACKAGE, "runProcess check")
+                Log.i(AppConfig.TAG, "runProcess check")
                process?.waitFor()
-                Log.d(ANG_PACKAGE, "runProcess exited")
+                Log.i(AppConfig.TAG, "runProcess exited")
            }
-            Log.d(ANG_PACKAGE, process.toString())
+            Log.i(AppConfig.TAG, process.toString())

        } catch (e: Exception) {
-            Log.d(ANG_PACKAGE, e.toString())
+            Log.e(AppConfig.TAG, e.toString(), e)
        }
    }

@@ -43,10 +43,10 @@ class ProcessService {
     */
    fun stopProcess() {
        try {
-            Log.d(ANG_PACKAGE, "runProcess destroy")
+            Log.i(AppConfig.TAG, "runProcess destroy")
            process?.destroy()
        } catch (e: Exception) {
-            Log.d(ANG_PACKAGE, e.toString())
+            Log.e(AppConfig.TAG, "Failed to destroy process", e)
        }
    }
 }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/service/QSTileService.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/service/QSTileService.kt
@@ -1,6 +1,5 @@
 package com.v2ray.ang.service

-import android.annotation.TargetApi
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
@@ -9,6 +8,8 @@ import android.graphics.drawable.Icon
 import android.os.Build
 import android.service.quicksettings.Tile
 import android.service.quicksettings.TileService
+import android.util.Log
+import androidx.annotation.RequiresApi
 import androidx.core.content.ContextCompat
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.R
@@ -16,7 +17,7 @@ import com.v2ray.ang.util.MessageUtil
 import com.v2ray.ang.util.Utils
 import java.lang.ref.SoftReference

-@TargetApi(Build.VERSION_CODES.N)
+@RequiresApi(Build.VERSION_CODES.N)
 class QSTileService : TileService() {

    /**
@@ -61,7 +62,7 @@ class QSTileService : TileService() {
            applicationContext.unregisterReceiver(mMsgReceive)
            mMsgReceive = null
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to unregister receiver", e)
        }

    }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/service/SubscriptionUpdater.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/service/SubscriptionUpdater.kt
@@ -38,7 +38,7 @@ object SubscriptionUpdater {
         */
        @SuppressLint("MissingPermission")
        override suspend fun doWork(): Result {
-            Log.d(AppConfig.ANG_PACKAGE, "subscription automatic update starting")
+            Log.i(AppConfig.TAG, "subscription automatic update starting")

            val subs = MmkvManager.decodeSubscriptions().filter { it.second.autoUpdate }

@@ -56,10 +56,7 @@ object SubscriptionUpdater {
                    notificationManager.createNotificationChannel(channel)
                }
                notificationManager.notify(3, notification.build())
-                Log.d(
-                    AppConfig.ANG_PACKAGE,
-                    "subscription automatic update: ---${subItem.remarks}"
-                )
+                Log.i(AppConfig.TAG, "subscription automatic update: ---${subItem.remarks}")
                updateConfigViaSub(Pair(sub.first, subItem))
                notification.setContentText("Updating ${subItem.remarks}")
            }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/service/V2RayServiceManager.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/service/V2RayServiceManager.kt
@@ -9,7 +9,6 @@ import android.os.Build
 import android.util.Log
 import androidx.core.content.ContextCompat
 import com.v2ray.ang.AppConfig
-import com.v2ray.ang.AppConfig.ANG_PACKAGE
 import com.v2ray.ang.R
 import com.v2ray.ang.dto.EConfigType
 import com.v2ray.ang.dto.ProfileItem
@@ -144,7 +143,7 @@ object V2RayServiceManager {
            mFilter.addAction(Intent.ACTION_USER_PRESENT)
            ContextCompat.registerReceiver(service, mMsgReceive, mFilter, Utils.receiverFlags())
        } catch (e: Exception) {
-            Log.d(ANG_PACKAGE, e.toString())
+            Log.e(AppConfig.TAG, "Failed to register broadcast receiver", e)
        }

        v2rayPoint.configureFileContent = result.content
@@ -154,7 +153,7 @@ object V2RayServiceManager {
        try {
            v2rayPoint.runLoop(MmkvManager.decodeSettingsBool(AppConfig.PREF_PREFER_IPV6))
        } catch (e: Exception) {
-            Log.d(ANG_PACKAGE, e.toString())
+            Log.e(AppConfig.TAG, "Failed to start V2Ray loop", e)
        }

        if (v2rayPoint.isRunning) {
@@ -179,7 +178,7 @@ object V2RayServiceManager {
                try {
                    v2rayPoint.stopLoop()
                } catch (e: Exception) {
-                    Log.d(ANG_PACKAGE, e.toString())
+                    Log.e(AppConfig.TAG, "Failed to stop V2Ray loop", e)
                }
            }
        }
@@ -190,7 +189,7 @@ object V2RayServiceManager {
        try {
            service.unregisterReceiver(mMsgReceive)
        } catch (e: Exception) {
-            Log.d(ANG_PACKAGE, e.toString())
+            Log.e(AppConfig.TAG, "Failed to unregister broadcast receiver", e)
        }
        PluginUtil.stopPlugin()
    }
@@ -217,14 +216,14 @@ object V2RayServiceManager {
                try {
                    time = v2rayPoint.measureDelay(SettingsManager.getDelayTestUrl())
                } catch (e: Exception) {
-                    Log.d(ANG_PACKAGE, "measureV2rayDelay: $e")
+                    Log.e(AppConfig.TAG, "Failed to measure delay with primary URL", e)
                    errstr = e.message?.substringAfter("\":") ?: "empty message"
                }
                if (time == -1L) {
                    try {
                        time = v2rayPoint.measureDelay(SettingsManager.getDelayTestUrl(true))
                    } catch (e: Exception) {
-                        Log.d(ANG_PACKAGE, "measureV2rayDelay: $e")
+                        Log.e(AppConfig.TAG, "Failed to measure delay with alternative URL", e)
                        errstr = e.message?.substringAfter("\":") ?: "empty message"
                    }
                }
@@ -255,7 +254,7 @@ object V2RayServiceManager {
                serviceControl.stopService()
                0
            } catch (e: Exception) {
-                Log.d(ANG_PACKAGE, e.toString())
+                Log.e(AppConfig.TAG, "Failed to stop service in callback", e)
                -1
            }
        }
@@ -291,7 +290,7 @@ object V2RayServiceManager {
                NotificationService.startSpeedNotification(currentConfig)
                0
            } catch (e: Exception) {
-                Log.d(ANG_PACKAGE, e.toString())
+                Log.e(AppConfig.TAG, "Failed to setup service in callback", e)
                -1
            }
        }
@@ -323,12 +322,12 @@ object V2RayServiceManager {
                }

                AppConfig.MSG_STATE_STOP -> {
-                    Log.d(ANG_PACKAGE, "Stop Service")
+                    Log.i(AppConfig.TAG, "Stop Service")
                    serviceControl.stopService()
                }

                AppConfig.MSG_STATE_RESTART -> {
-                    Log.d(ANG_PACKAGE, "Restart Service")
+                    Log.i(AppConfig.TAG, "Restart Service")
                    serviceControl.stopService()
                    Thread.sleep(500L)
                    startVService(serviceControl.getService())
@@ -341,12 +340,12 @@ object V2RayServiceManager {

            when (intent?.action) {
                Intent.ACTION_SCREEN_OFF -> {
-                    Log.d(ANG_PACKAGE, "SCREEN_OFF, stop querying stats")
+                    Log.i(AppConfig.TAG, "SCREEN_OFF, stop querying stats")
                    NotificationService.stopSpeedNotification(currentConfig)
                }

                Intent.ACTION_SCREEN_ON -> {
-                    Log.d(ANG_PACKAGE, "SCREEN_ON, start querying stats")
+                    Log.i(AppConfig.TAG, "SCREEN_ON, start querying stats")
                    NotificationService.startSpeedNotification(currentConfig)
                }
            }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/service/V2RayTestService.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/service/V2RayTestService.kt
@@ -81,11 +81,11 @@ class V2RayTestService : Service() {
            val delay = PluginUtil.realPingHy2(this, config)
            return delay
        } else {
-            val config = V2rayConfigManager.getV2rayConfig(this, guid)
-            if (!config.status) {
+            val configResult = V2rayConfigManager.getV2rayConfig4Speedtest(this, guid)
+            if (!configResult.status) {
                return retFailure
            }
-            return SpeedtestManager.realPing(config.content)
+            return SpeedtestManager.realPing(configResult.content)
        }
    }
 }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/service/V2RayVpnService.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/service/V2RayVpnService.kt
@@ -18,10 +18,8 @@ import android.os.StrictMode
 import android.util.Log
 import androidx.annotation.RequiresApi
 import com.v2ray.ang.AppConfig
-import com.v2ray.ang.AppConfig.ANG_PACKAGE
 import com.v2ray.ang.AppConfig.LOOPBACK
 import com.v2ray.ang.BuildConfig
-import com.v2ray.ang.R
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.handler.SettingsManager
 import com.v2ray.ang.util.MyContextWrapper
@@ -40,6 +38,7 @@ class V2RayVpnService : VpnService(), ServiceControl {
        private const val PRIVATE_VLAN6_CLIENT = "fc00::10:10:14:1"
        private const val PRIVATE_VLAN6_ROUTER = "fc00::10:10:14:2"
        private const val TUN2SOCKS = "libtun2socks.so"
+
    }

    private lateinit var mInterface: ParcelFileDescriptor
@@ -166,7 +165,7 @@ class V2RayVpnService : VpnService(), ServiceControl {
        //builder.addDnsServer(PRIVATE_VLAN4_ROUTER)
        val bypassLan = SettingsManager.routingRulesetsBypassLan()
        if (bypassLan) {
-            resources.getStringArray(R.array.bypass_private_ip_address).forEach {
+            AppConfig.BYPASS_PRIVATE_IP_LIST.forEach {
                val addr = it.split('/')
                builder.addRoute(addr[0], addr[1].toInt())
            }
@@ -209,7 +208,7 @@ class V2RayVpnService : VpnService(), ServiceControl {
                    else
                        builder.addAllowedApplication(it)
                } catch (e: PackageManager.NameNotFoundException) {
-                    Log.d(ANG_PACKAGE, "setup error : --${e.localizedMessage}")
+                    Log.e(AppConfig.TAG, "Failed to configure app in VPN: ${e.localizedMessage}", e)
                }
            }
        } else {
@@ -227,7 +226,7 @@ class V2RayVpnService : VpnService(), ServiceControl {
            try {
                connectivity.requestNetwork(defaultNetworkRequest, defaultNetworkCallback)
            } catch (e: Exception) {
-                e.printStackTrace()
+                Log.e(AppConfig.TAG, "Failed to request default network", e)
            }
        }

@@ -245,7 +244,7 @@ class V2RayVpnService : VpnService(), ServiceControl {
            return true
        } catch (e: Exception) {
            // non-nullable lateinit var
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to establish VPN interface", e)
            stopV2Ray()
        }
        return false
@@ -277,7 +276,7 @@ class V2RayVpnService : VpnService(), ServiceControl {
            cmd.add("--dnsgw")
            cmd.add("$LOOPBACK:${localDnsPort}")
        }
-        Log.d(packageName, cmd.toString())
+        Log.i(AppConfig.TAG, cmd.toString())

        try {
            val proBuilder = ProcessBuilder(cmd)
@@ -286,19 +285,19 @@ class V2RayVpnService : VpnService(), ServiceControl {
                .directory(applicationContext.filesDir)
                .start()
            Thread {
-                Log.d(packageName, "$TUN2SOCKS check")
+                Log.i(AppConfig.TAG, "$TUN2SOCKS check")
                process.waitFor()
-                Log.d(packageName, "$TUN2SOCKS exited")
+                Log.i(AppConfig.TAG, "$TUN2SOCKS exited")
                if (isRunning) {
-                    Log.d(packageName, "$TUN2SOCKS restart")
+                    Log.i(AppConfig.TAG, "$TUN2SOCKS restart")
                    runTun2socks()
                }
            }.start()
-            Log.d(packageName, process.toString())
+            Log.i(AppConfig.TAG, process.toString())

            sendFd()
        } catch (e: Exception) {
-            Log.d(packageName, e.toString())
+            Log.e(AppConfig.TAG, "Failed to start tun2socks process", e)
        }
    }

@@ -309,13 +308,13 @@ class V2RayVpnService : VpnService(), ServiceControl {
    private fun sendFd() {
        val fd = mInterface.fileDescriptor
        val path = File(applicationContext.filesDir, "sock_path").absolutePath
-        Log.d(packageName, path)
+        Log.i(AppConfig.TAG, path)

        CoroutineScope(Dispatchers.IO).launch {
            var tries = 0
            while (true) try {
                Thread.sleep(50L shl tries)
-                Log.d(packageName, "sendFd tries: $tries")
+                Log.i(AppConfig.TAG, "sendFd tries: $tries")
                LocalSocket().use { localSocket ->
                    localSocket.connect(LocalSocketAddress(path, LocalSocketAddress.Namespace.FILESYSTEM))
                    localSocket.setFileDescriptorsForSend(arrayOf(fd))
@@ -323,7 +322,7 @@ class V2RayVpnService : VpnService(), ServiceControl {
                }
                break
            } catch (e: Exception) {
-                Log.d(packageName, e.toString())
+                Log.e(AppConfig.TAG, "Failed to send file descriptor, try: $tries", e)
                if (tries > 5) break
                tries += 1
            }
@@ -349,10 +348,10 @@ class V2RayVpnService : VpnService(), ServiceControl {
        }

        try {
-            Log.d(packageName, "tun2socks destroy")
+            Log.i(AppConfig.TAG, "tun2socks destroy")
            process.destroy()
        } catch (e: Exception) {
-            Log.d(packageName, e.toString())
+            Log.e(AppConfig.TAG, "Failed to destroy tun2socks process", e)
        }

        V2RayServiceManager.stopV2rayPoint()
@@ -367,8 +366,8 @@ class V2RayVpnService : VpnService(), ServiceControl {

            try {
                mInterface.close()
-            } catch (ignored: Exception) {
-                // ignored
+            } catch (e: Exception) {
+                Log.e(AppConfig.TAG, "Failed to close VPN interface", e)
            }
        }
    }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/AboutActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/AboutActivity.kt
@@ -5,18 +5,28 @@ import android.content.Intent
 import android.os.Build
 import android.os.Bundle
 import android.util.Log
-import android.widget.Toast
+import android.view.View
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.appcompat.app.AlertDialog
 import androidx.core.content.ContextCompat
 import androidx.core.content.FileProvider
+import androidx.lifecycle.lifecycleScope
 import com.tencent.mmkv.MMKV
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.BuildConfig
 import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ActivityAboutBinding
+import com.v2ray.ang.dto.CheckUpdateResult
+import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastError
+import com.v2ray.ang.extension.toastSuccess
+import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.handler.SpeedtestManager
+import com.v2ray.ang.handler.UpdateCheckerManager
+import com.v2ray.ang.util.AppManagerUtil
 import com.v2ray.ang.util.Utils
 import com.v2ray.ang.util.ZipUtil
+import kotlinx.coroutines.launch
 import java.io.File
 import java.text.SimpleDateFormat
 import java.util.Locale
@@ -32,7 +42,7 @@ class AboutActivity : BaseActivity() {
                try {
                    showFileChooser()
                } catch (e: Exception) {
-                    e.printStackTrace()
+                    Log.e(AppConfig.TAG, "Failed to show file chooser", e)
                }
            } else {
                toast(R.string.toast_permission_denied)
@@ -50,9 +60,9 @@ class AboutActivity : BaseActivity() {
        binding.layoutBackup.setOnClickListener {
            val ret = backupConfiguration(extDir.absolutePath)
            if (ret.first) {
-                toast(R.string.toast_success)
+                toastSuccess(R.string.toast_success)
            } else {
-                toast(R.string.toast_failure)
+                toastError(R.string.toast_failure)
            }
        }

@@ -72,7 +82,7 @@ class AboutActivity : BaseActivity() {
                    )
                )
            } else {
-                toast(R.string.toast_failure)
+                toastError(R.string.toast_failure)
            }
        }

@@ -88,23 +98,40 @@ class AboutActivity : BaseActivity() {
                try {
                    showFileChooser()
                } catch (e: Exception) {
-                    e.printStackTrace()
+                    Log.e(AppConfig.TAG, "Failed to show file chooser", e)
                }
            } else {
                requestPermissionLauncher.launch(permission)
            }
        }

+        //If it is the Google Play version, not be displayed within 1 days after update
+        if (Utils.isGoogleFlavor()) {
+            val lastUpdateTime = AppManagerUtil.getLastUpdateTime(this)
+            val currentTime = System.currentTimeMillis()
+            if ((currentTime - lastUpdateTime) < 1 * 24 * 60 * 60 * 1000L) {
+                binding.layoutCheckUpdate.visibility = View.GONE
+            }
+        }
+        binding.layoutCheckUpdate.setOnClickListener {
+            checkForUpdates(binding.checkPreRelease.isChecked)
+        }
+
+        binding.checkPreRelease.setOnCheckedChangeListener { _, isChecked ->
+            MmkvManager.encodeSettings(AppConfig.PREF_CHECK_UPDATE_PRE_RELEASE, isChecked)
+        }
+        binding.checkPreRelease.isChecked = MmkvManager.decodeSettingsBool(AppConfig.PREF_CHECK_UPDATE_PRE_RELEASE, false)
+
        binding.layoutSoureCcode.setOnClickListener {
-            Utils.openUri(this, AppConfig.v2rayNGUrl)
+            Utils.openUri(this, AppConfig.APP_URL)
        }

        binding.layoutFeedback.setOnClickListener {
-            Utils.openUri(this, AppConfig.v2rayNGIssues)
+            Utils.openUri(this, AppConfig.APP_ISSUES_URL)
        }

        binding.layoutOssLicenses.setOnClickListener {
-            val webView = android.webkit.WebView(this);
+            val webView = android.webkit.WebView(this)
            webView.loadUrl("file:///android_asset/open_source_licenses.html")
            android.app.AlertDialog.Builder(this)
                .setTitle("Open source licenses")
@@ -114,11 +141,11 @@ class AboutActivity : BaseActivity() {
        }

        binding.layoutTgChannel.setOnClickListener {
-            Utils.openUri(this, AppConfig.TgChannelUrl)
+            Utils.openUri(this, AppConfig.TG_CHANNEL_URL)
        }

        binding.layoutPrivacyPolicy.setOnClickListener {
-            Utils.openUri(this, AppConfig.v2rayNGPrivacyPolicy)
+            Utils.openUri(this, AppConfig.APP_PRIVACY_POLICY)
        }

        "v${BuildConfig.VERSION_NAME} (${SpeedtestManager.getLibVersion()})".also {
@@ -126,7 +153,7 @@ class AboutActivity : BaseActivity() {
        }
    }

-    fun backupConfiguration(outputZipFilePos: String): Pair<Boolean, String> {
+    private fun backupConfiguration(outputZipFilePos: String): Pair<Boolean, String> {
        val dateFormated = SimpleDateFormat(
            "yyyy-MM-dd-HH-mm-ss",
            Locale.getDefault()
@@ -147,7 +174,7 @@ class AboutActivity : BaseActivity() {
        }
    }

-    fun restoreConfiguration(zipFile: File): Boolean {
+    private fun restoreConfiguration(zipFile: File): Boolean {
        val backupDir = this.cacheDir.absolutePath + "/${System.currentTimeMillis()}"

        if (!ZipUtil.unzipToFolder(zipFile, backupDir)) {
@@ -167,7 +194,7 @@ class AboutActivity : BaseActivity() {
        try {
            chooseFile.launch(Intent.createChooser(intent, getString(R.string.title_file_chooser)))
        } catch (ex: android.content.ActivityNotFoundException) {
-            Log.e(AppConfig.ANG_PACKAGE, "File chooser activity not found: ${ex.message}", ex)
+            Log.e(AppConfig.TAG, "File chooser activity not found", ex)
            toast(R.string.toast_require_file_manager)
        }
    }
@@ -185,18 +212,38 @@ class AboutActivity : BaseActivity() {
                        }
                    }
                    if (restoreConfiguration(targetFile)) {
-                        toast(R.string.toast_success)
+                        toastSuccess(R.string.toast_success)
                    } else {
-                        toast(R.string.toast_failure)
+                        toastError(R.string.toast_failure)
                    }
                } catch (e: Exception) {
-                    Log.e(AppConfig.ANG_PACKAGE, "Error during file restore: ${e.message}", e)
-                    toast(R.string.toast_failure)
+                    Log.e(AppConfig.TAG, "Error during file restore", e)
+                    toastError(R.string.toast_failure)
                }
            }
        }

-    private fun toast(messageResId: Int) {
-        Toast.makeText(this, getString(messageResId), Toast.LENGTH_SHORT).show()
+    private fun checkForUpdates(includePreRelease: Boolean) {
+        lifecycleScope.launch {
+            val result = UpdateCheckerManager.checkForUpdate(includePreRelease)
+            if (result.hasUpdate) {
+                showUpdateDialog(result)
+            } else {
+                toast(R.string.update_already_latest_version)
+            }
+        }
+    }
+
+    private fun showUpdateDialog(result: CheckUpdateResult) {
+        AlertDialog.Builder(this)
+            .setTitle(getString(R.string.update_new_version_found, result.latestVersion))
+            .setMessage(result.releaseNotes)
+            .setPositiveButton(R.string.update_now) { _, _ ->
+                result.downloadUrl?.let {
+                    Utils.openUri(this, it)
+                }
+            }
+            .setNegativeButton(android.R.string.cancel, null)
+            .show()
    }
 }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/LogcatActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/LogcatActivity.kt
@@ -1,16 +1,19 @@
 package com.v2ray.ang.ui

+import android.annotation.SuppressLint
 import android.os.Bundle
+import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import androidx.appcompat.widget.SearchView
 import androidx.lifecycle.lifecycleScope
 import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
+import com.v2ray.ang.AppConfig
 import com.v2ray.ang.AppConfig.ANG_PACKAGE
 import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ActivityLogcatBinding
-import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.util.Utils
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -21,7 +24,7 @@ import java.io.IOException
 class LogcatActivity : BaseActivity(), SwipeRefreshLayout.OnRefreshListener {
    private val binding by lazy { ActivityLogcatBinding.inflate(layoutInflater) }

-    var logsetsAll: MutableList<String> = mutableListOf()
+    private var logsetsAll: MutableList<String> = mutableListOf()
    var logsets: MutableList<String> = mutableListOf()
    private val adapter by lazy { LogcatRecyclerAdapter(this) }

@@ -62,12 +65,12 @@ class LogcatActivity : BaseActivity(), SwipeRefreshLayout.OnRefreshListener {
                launch(Dispatchers.Main) {
                    logsetsAll = allText.toMutableList()
                    logsets = allText.toMutableList()
-                    adapter.notifyDataSetChanged()
+                    refreshData()
                    binding.refreshLayout.isRefreshing = false
                }
            }
        } catch (e: IOException) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to get logcat", e)
        }
    }

@@ -84,11 +87,11 @@ class LogcatActivity : BaseActivity(), SwipeRefreshLayout.OnRefreshListener {
                launch(Dispatchers.Main) {
                    logsetsAll.clear()
                    logsets.clear()
-                    adapter.notifyDataSetChanged()
+                    refreshData()
                }
            }
        } catch (e: IOException) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to clear logcat", e)
        }
    }

@@ -118,7 +121,7 @@ class LogcatActivity : BaseActivity(), SwipeRefreshLayout.OnRefreshListener {
    override fun onOptionsItemSelected(item: MenuItem) = when (item.itemId) {
        R.id.copy_all -> {
            Utils.setClipboard(this, logsets.joinToString("\n"))
-            toast(R.string.toast_success)
+            toastSuccess(R.string.toast_success)
            true
        }

@@ -138,11 +141,16 @@ class LogcatActivity : BaseActivity(), SwipeRefreshLayout.OnRefreshListener {
            logsetsAll.filter { it.contains(key) }.toMutableList()
        }

-        adapter?.notifyDataSetChanged()
+        refreshData()
        return true
    }

    override fun onRefresh() {
        getLogcat()
    }
+
+    @SuppressLint("NotifyDataSetChanged")
+    fun refreshData() {
+        adapter.notifyDataSetChanged()
+    }
 }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/LogcatRecyclerAdapter.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/LogcatRecyclerAdapter.kt
@@ -1,13 +1,16 @@
 package com.v2ray.ang.ui

+import android.util.Log
 import android.view.LayoutInflater
 import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
+import com.v2ray.ang.AppConfig
 import com.v2ray.ang.databinding.ItemRecyclerLogcatBinding

 class LogcatRecyclerAdapter(val activity: LogcatActivity) : RecyclerView.Adapter<LogcatRecyclerAdapter.MainViewHolder>() {
    private var mActivity: LogcatActivity = activity

+
    override fun getItemCount() = mActivity.logsets.size

    override fun onBindViewHolder(holder: MainViewHolder, position: Int) {
@@ -22,7 +25,7 @@ class LogcatRecyclerAdapter(val activity: LogcatActivity) : RecyclerView.Adapter
                holder.itemSubSettingBinding.logContent.text = if (content.count() > 1) content.last().trim() else ""
            }
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Error binding log view data", e)
        }
    }

--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/MainActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/MainActivity.kt
@@ -1,6 +1,7 @@
 package com.v2ray.ang.ui

 import android.Manifest
+import android.annotation.SuppressLint
 import android.content.Intent
 import android.content.pm.PackageManager
 import android.content.res.ColorStateList
@@ -8,6 +9,7 @@ import android.net.Uri
 import android.net.VpnService
 import android.os.Build
 import android.os.Bundle
+import android.util.Log
 import android.view.KeyEvent
 import android.view.Menu
 import android.view.MenuItem
@@ -21,8 +23,8 @@ import androidx.core.content.ContextCompat
 import androidx.core.view.GravityCompat
 import androidx.core.view.isVisible
 import androidx.lifecycle.lifecycleScope
+import androidx.recyclerview.widget.GridLayoutManager
 import androidx.recyclerview.widget.ItemTouchHelper
-import androidx.recyclerview.widget.LinearLayoutManager
 import com.google.android.material.navigation.NavigationView
 import com.google.android.material.tabs.TabLayout
 import com.v2ray.ang.AppConfig
@@ -31,6 +33,7 @@ import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ActivityMainBinding
 import com.v2ray.ang.dto.EConfigType
 import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastError
 import com.v2ray.ang.handler.AngConfigManager
 import com.v2ray.ang.handler.MigrateManager
 import com.v2ray.ang.handler.MmkvManager
@@ -84,9 +87,6 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
                    Action.IMPORT_QR_CODE_CONFIG ->
                        scanQRCodeForConfig.launch(Intent(this, ScannerActivity::class.java))

-//                    Action.IMPORT_QR_CODE_URL ->
-//                        scanQRCodeForUrlToCustomConfig.launch(Intent(this, ScannerActivity::class.java))
-
                    Action.READ_CONTENT_FROM_URI ->
                        chooseFileForCustomConfig.launch(Intent.createChooser(Intent(Intent.ACTION_GET_CONTENT).apply {
                            type = "*/*"
@@ -107,8 +107,6 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
    enum class Action {
        NONE,
        IMPORT_QR_CODE_CONFIG,
-
-        //IMPORT_QR_CODE_URL,
        READ_CONTENT_FROM_URI,
        POST_NOTIFICATIONS
    }
@@ -126,12 +124,6 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
        }
    }

-//    private val scanQRCodeForUrlToCustomConfig = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
-//        if (it.resultCode == RESULT_OK) {
-//            importConfigCustomUrl(it.data?.getStringExtra("SCAN_RESULT"))
-//        }
-//    }
-
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(binding.root)
@@ -162,7 +154,11 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
        }

        binding.recyclerView.setHasFixedSize(true)
-        binding.recyclerView.layoutManager = LinearLayoutManager(this)
+        if (MmkvManager.decodeSettingsBool(AppConfig.PREF_DOUBLE_COLUMN_DISPLAY, false)) {
+            binding.recyclerView.layoutManager = GridLayoutManager(this, 2)
+        } else {
+            binding.recyclerView.layoutManager = GridLayoutManager(this, 1)
+        }
        addCustomDividerToRecyclerView(binding.recyclerView, this, R.drawable.custom_divider)
        binding.recyclerView.adapter = adapter

@@ -200,6 +196,7 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
        })
    }

+    @SuppressLint("NotifyDataSetChanged")
    private fun setupViewModel() {
        mainViewModel.updateListAction.observe(this) { index ->
            if (index >= 0) {
@@ -265,7 +262,7 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
        binding.tabGroup.isVisible = true
    }

-    fun startV2Ray() {
+    private fun startV2Ray() {
        if (MmkvManager.getSelectServer().isNullOrEmpty()) {
            toast(R.string.title_file_chooser)
            return
@@ -273,7 +270,7 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
        V2RayServiceManager.startVService(this)
    }

-    fun restartV2Ray() {
+    private fun restartV2Ray() {
        if (mainViewModel.isRunning.value == true) {
            V2RayServiceManager.stopVService(this)
        }
@@ -317,7 +314,7 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList

    override fun onOptionsItemSelected(item: MenuItem) = when (item.itemId) {
        R.id.import_qrcode -> {
-            importQRcode(true)
+            importQRcode()
            true
        }

@@ -371,26 +368,6 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
            true
        }

-//        R.id.import_config_custom_clipboard -> {
-//            importConfigCustomClipboard()
-//            true
-//        }
-//
-//        R.id.import_config_custom_local -> {
-//            importConfigCustomLocal()
-//            true
-//        }
-//
-//        R.id.import_config_custom_url -> {
-//            importConfigCustomUrlClipboard()
-//            true
-//        }
-//
-//        R.id.import_config_custom_url_scan -> {
-//            importQRcode(false)
-//            true
-//        }
-
        R.id.export_all -> {
            exportAll()
            true
@@ -454,16 +431,12 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
    /**
     * import config from qrcode
     */
-    private fun importQRcode(forConfig: Boolean): Boolean {
+    private fun importQRcode(): Boolean {
        val permission = Manifest.permission.CAMERA
        if (ContextCompat.checkSelfPermission(this, permission) == PackageManager.PERMISSION_GRANTED) {
-            if (forConfig) {
-                scanQRCodeForConfig.launch(Intent(this, ScannerActivity::class.java))
-            } else {
-                //scanQRCodeForUrlToCustomConfig.launch(Intent(this, ScannerActivity::class.java))
-            }
+            scanQRCodeForConfig.launch(Intent(this, ScannerActivity::class.java))
        } else {
-            pendingAction = Action.IMPORT_QR_CODE_CONFIG//if (forConfig) Action.IMPORT_QR_CODE_CONFIG else Action.IMPORT_QR_CODE_URL
+            pendingAction = Action.IMPORT_QR_CODE_CONFIG
            requestPermissionLauncher.launch(permission)
        }
        return true
@@ -478,7 +451,7 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
            val clipboard = Utils.getClipboard(this)
            importBatchConfig(clipboard)
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to import config from clipboard", e)
            return false
        }
        return true
@@ -499,102 +472,34 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
                        }

                        countSub > 0 -> initGroupTab()
-                        else -> toast(R.string.toast_failure)
+                        else -> toastError(R.string.toast_failure)
                    }
                    binding.pbWaiting.hide()
                }
            } catch (e: Exception) {
                withContext(Dispatchers.Main) {
-                    toast(R.string.toast_failure)
+                    toastError(R.string.toast_failure)
                    binding.pbWaiting.hide()
                }
-                e.printStackTrace()
+                Log.e(AppConfig.TAG, "Failed to import batch config", e)
            }
        }
    }

+    /**
+     * import config from local config file
+     */
    private fun importConfigLocal(): Boolean {
        try {
            showFileChooser()
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to import config from local file", e)
            return false
        }
        return true
    }


-//    private fun importConfigCustomClipboard()
-//            : Boolean {
-//        try {
-//            val configText = Utils.getClipboard(this)
-//            if (TextUtils.isEmpty(configText)) {
-//                toast(R.string.toast_none_data_clipboard)
-//                return false
-//            }
-//            importCustomizeConfig(configText)
-//            return true
-//        } catch (e: Exception) {
-//            e.printStackTrace()
-//            return false
-//        }
-//    }
-
-    /**
-     * import config from local config file
-     */
-//    private fun importConfigCustomLocal(): Boolean {
-//        try {
-//            showFileChooser()
-//        } catch (e: Exception) {
-//            e.printStackTrace()
-//            return false
-//        }
-//        return true
-//    }
-//
-//    private fun importConfigCustomUrlClipboard()
-//            : Boolean {
-//        try {
-//            val url = Utils.getClipboard(this)
-//            if (TextUtils.isEmpty(url)) {
-//                toast(R.string.toast_none_data_clipboard)
-//                return false
-//            }
-//            return importConfigCustomUrl(url)
-//        } catch (e: Exception) {
-//            e.printStackTrace()
-//            return false
-//        }
-//    }
-
-    /**
-     * import config from url
-     */
-//    private fun importConfigCustomUrl(url: String?): Boolean {
-//        try {
-//            if (!Utils.isValidUrl(url)) {
-//                toast(R.string.toast_invalid_url)
-//                return false
-//            }
-//            lifecycleScope.launch(Dispatchers.IO) {
-//                val configText = try {
-//                    HttpUtil.getUrlContentWithUserAgent(url)
-//                } catch (e: Exception) {
-//                    e.printStackTrace()
-//                    ""
-//                }
-//                launch(Dispatchers.Main) {
-//                    importCustomizeConfig(configText)
-//                }
-//            }
-//        } catch (e: Exception) {
-//            e.printStackTrace()
-//            return false
-//        }
-//        return true
-//    }
-
    /**
     * import config from sub
     */
@@ -609,7 +514,7 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
                    toast(getString(R.string.title_update_config_count, count))
                    mainViewModel.reloadServerList()
                } else {
-                    toast(R.string.toast_failure)
+                    toastError(R.string.toast_failure)
                }
                binding.pbWaiting.hide()
            }
@@ -625,7 +530,7 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
                if (ret > 0)
                    toast(getString(R.string.title_export_config_count, ret))
                else
-                    toast(R.string.toast_failure)
+                    toastError(R.string.toast_failure)
                binding.pbWaiting.hide()
            }
        }
@@ -737,36 +642,13 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
                    importBatchConfig(input?.bufferedReader()?.readText())
                }
            } catch (e: Exception) {
-                e.printStackTrace()
+                Log.e(AppConfig.TAG, "Failed to read content from URI", e)
            }
        } else {
            requestPermissionLauncher.launch(permission)
        }
    }

-//    /**
-//     * import customize config
-//     */
-//    private fun importCustomizeConfig(server: String?) {
-//        try {
-//            if (server == null || TextUtils.isEmpty(server)) {
-//                toast(R.string.toast_none_data)
-//                return
-//            }
-//            if (mainViewModel.appendCustomConfigServer(server)) {
-//                mainViewModel.reloadServerList()
-//                toast(R.string.toast_success)
-//            } else {
-//                toast(R.string.toast_failure)
-//            }
-//            //adapter.notifyItemInserted(mainViewModel.serverList.lastIndex)
-//        } catch (e: Exception) {
-//            ToastCompat.makeText(this, "${getString(R.string.toast_malformed_josn)} ${e.cause?.message}", Toast.LENGTH_LONG).show()
-//            e.printStackTrace()
-//            return
-//        }
-//    }
-
    private fun setTestState(content: String?) {
        binding.tvTestState.text = content
    }
@@ -793,14 +675,15 @@ class MainActivity : BaseActivity(), NavigationView.OnNavigationItemSelectedList
        // Handle navigation view item clicks here.
        when (item.itemId) {
            R.id.sub_setting -> requestSubSettingActivity.launch(Intent(this, SubSettingActivity::class.java))
+            R.id.per_app_proxy_settings -> startActivity(Intent(this, PerAppProxyActivity::class.java))
+            R.id.routing_setting -> requestSubSettingActivity.launch(Intent(this, RoutingSettingActivity::class.java))
+            R.id.user_asset_setting -> startActivity(Intent(this, UserAssetActivity::class.java))
            R.id.settings -> startActivity(
                Intent(this, SettingsActivity::class.java)
                    .putExtra("isRunning", mainViewModel.isRunning.value == true)
            )

-            R.id.per_app_proxy_settings -> startActivity(Intent(this, PerAppProxyActivity::class.java))
-            R.id.routing_setting -> requestSubSettingActivity.launch(Intent(this, RoutingSettingActivity::class.java))
-            R.id.promotion -> Utils.openUri(this, "${Utils.decode(AppConfig.PromotionUrl)}?t=${System.currentTimeMillis()}")
+            R.id.promotion -> Utils.openUri(this, "${Utils.decode(AppConfig.APP_PROMOTION_URL)}?t=${System.currentTimeMillis()}")
            R.id.logcat -> startActivity(Intent(this, LogcatActivity::class.java))
            R.id.about -> startActivity(Intent(this, AboutActivity::class.java))
        }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/MainRecyclerAdapter.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/MainRecyclerAdapter.kt
@@ -3,6 +3,7 @@ package com.v2ray.ang.ui
 import android.content.Intent
 import android.graphics.Color
 import android.text.TextUtils
+import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
@@ -17,13 +18,15 @@ import com.v2ray.ang.databinding.ItemQrcodeBinding
 import com.v2ray.ang.databinding.ItemRecyclerFooterBinding
 import com.v2ray.ang.databinding.ItemRecyclerMainBinding
 import com.v2ray.ang.dto.EConfigType
+import com.v2ray.ang.dto.ProfileItem
 import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastError
+import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.handler.AngConfigManager
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.helper.ItemTouchHelperAdapter
 import com.v2ray.ang.helper.ItemTouchHelperViewHolder
 import com.v2ray.ang.service.V2RayServiceManager
-import com.v2ray.ang.util.Utils
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch

@@ -37,175 +40,273 @@ class MainRecyclerAdapter(val activity: MainActivity) : RecyclerView.Adapter<Mai
    private val share_method: Array<out String> by lazy {
        mActivity.resources.getStringArray(R.array.share_method)
    }
+    private val share_method_more: Array<out String> by lazy {
+        mActivity.resources.getStringArray(R.array.share_method_more)
+    }
    var isRunning = false
+    private val doubleColumnDisplay = MmkvManager.decodeSettingsBool(AppConfig.PREF_DOUBLE_COLUMN_DISPLAY, false)

+    /**
+     * Gets the total number of items in the adapter (servers count + footer view)
+     * @return The total item count
+     */
    override fun getItemCount() = mActivity.mainViewModel.serversCache.size + 1

    override fun onBindViewHolder(holder: BaseViewHolder, position: Int) {
        if (holder is MainViewHolder) {
            val guid = mActivity.mainViewModel.serversCache[position].guid
            val profile = mActivity.mainViewModel.serversCache[position].profile
-//            //filter
-//            if (mActivity.mainViewModel.subscriptionId.isNotEmpty()
-//                && mActivity.mainViewModel.subscriptionId != config.subscriptionId
-//            ) {
-//                holder.itemMainBinding.cardView.visibility = View.GONE
-//            } else {
-//                holder.itemMainBinding.cardView.visibility = View.VISIBLE
-//            }
+            val isCustom = profile.configType == EConfigType.CUSTOM

-            val aff = MmkvManager.decodeServerAffiliationInfo(guid)
-
-            holder.itemMainBinding.tvName.text = profile.remarks
            holder.itemView.setBackgroundColor(Color.TRANSPARENT)
+
+            //Name address
+            holder.itemMainBinding.tvName.text = profile.remarks
+            holder.itemMainBinding.tvStatistics.text = getAddress(profile)
+            holder.itemMainBinding.tvType.text = profile.configType.name
+
+            //TestResult
+            val aff = MmkvManager.decodeServerAffiliationInfo(guid)
            holder.itemMainBinding.tvTestResult.text = aff?.getTestDelayString().orEmpty()
            if ((aff?.testDelayMillis ?: 0L) < 0L) {
                holder.itemMainBinding.tvTestResult.setTextColor(ContextCompat.getColor(mActivity, R.color.colorPingRed))
            } else {
                holder.itemMainBinding.tvTestResult.setTextColor(ContextCompat.getColor(mActivity, R.color.colorPing))
            }
+
+            //layoutIndicator
            if (guid == MmkvManager.getSelectServer()) {
                holder.itemMainBinding.layoutIndicator.setBackgroundResource(R.color.colorAccent)
            } else {
                holder.itemMainBinding.layoutIndicator.setBackgroundResource(0)
            }
-            holder.itemMainBinding.tvSubscription.text =
-                if (mActivity.mainViewModel.subscriptionId.isEmpty())
-                    MmkvManager.decodeSubscription(profile.subscriptionId)?.remarks.orEmpty()
-                else
-                    ""

-            var shareOptions = share_method.asList()
-            when (profile.configType) {
-                EConfigType.CUSTOM -> {
-                    holder.itemMainBinding.tvType.text = mActivity.getString(R.string.server_customize_config)
-                    shareOptions = shareOptions.takeLast(1)
+            //subscription remarks
+            val subRemarks = getSubscriptionRemarks(profile)
+            holder.itemMainBinding.tvSubscription.text = subRemarks
+            holder.itemMainBinding.layoutSubscription.visibility = if (subRemarks.isEmpty()) View.GONE else View.VISIBLE
+
+            //layout
+            if (doubleColumnDisplay) {
+                holder.itemMainBinding.layoutShare.visibility = View.GONE
+                holder.itemMainBinding.layoutEdit.visibility = View.GONE
+                holder.itemMainBinding.layoutRemove.visibility = View.GONE
+                holder.itemMainBinding.layoutMore.visibility = View.VISIBLE
+
+                //share method
+                val shareOptions = if (isCustom) share_method_more.asList().takeLast(3) else share_method_more.asList()
+
+                holder.itemMainBinding.layoutMore.setOnClickListener {
+                    shareServer(guid, profile, position, shareOptions, if (isCustom) 2 else 0)
+                }
+            } else {
+                holder.itemMainBinding.layoutShare.visibility = View.VISIBLE
+                holder.itemMainBinding.layoutEdit.visibility = View.VISIBLE
+                holder.itemMainBinding.layoutRemove.visibility = View.VISIBLE
+                holder.itemMainBinding.layoutMore.visibility = View.GONE
+
+                //share method
+                val shareOptions = if (isCustom) share_method.asList().takeLast(1) else share_method.asList()
+
+                holder.itemMainBinding.layoutShare.setOnClickListener {
+                    shareServer(guid, profile, position, shareOptions, if (isCustom) 2 else 0)
                }

-                else -> {
-                    holder.itemMainBinding.tvType.text = profile.configType.name
+                holder.itemMainBinding.layoutEdit.setOnClickListener {
+                    editServer(guid, profile)
                }
-            }
-
-            // Hide xxx:xxx:***/xxx.xxx.xxx.***
-            val strState = "${
-                profile.server?.let {
-                    if (it.contains(":"))
-                        it.split(":").take(2).joinToString(":", postfix = ":***")
-                    else
-                        it.split('.').dropLast(1).joinToString(".", postfix = ".***")
-                }
-            } : ${profile.serverPort}"
-
-            holder.itemMainBinding.tvStatistics.text = strState
-
-            holder.itemMainBinding.layoutShare.setOnClickListener {
-                AlertDialog.Builder(mActivity).setItems(shareOptions.toTypedArray()) { _, i ->
-                    try {
-                        when (i) {
-                            0 -> {
-                                if (profile.configType == EConfigType.CUSTOM) {
-                                    shareFullContent(guid)
-                                } else {
-                                    val ivBinding = ItemQrcodeBinding.inflate(LayoutInflater.from(mActivity))
-                                    ivBinding.ivQcode.setImageBitmap(AngConfigManager.share2QRCode(guid))
-                                    AlertDialog.Builder(mActivity).setView(ivBinding.root).show()
-                                }
-                            }
-
-                            1 -> {
-                                if (AngConfigManager.share2Clipboard(mActivity, guid) == 0) {
-                                    mActivity.toast(R.string.toast_success)
-                                } else {
-                                    mActivity.toast(R.string.toast_failure)
-                                }
-                            }
-
-                            2 -> shareFullContent(guid)
-                            else -> mActivity.toast("else")
-                        }
-                    } catch (e: Exception) {
-                        e.printStackTrace()
-                    }
-                }.show()
-            }
-
-            holder.itemMainBinding.layoutEdit.setOnClickListener {
-                val intent = Intent().putExtra("guid", guid)
-                    .putExtra("isRunning", isRunning)
-                    .putExtra("createConfigType", profile.configType.value)
-                if (profile.configType == EConfigType.CUSTOM) {
-                    mActivity.startActivity(intent.setClass(mActivity, ServerCustomConfigActivity::class.java))
-                } else {
-                    mActivity.startActivity(intent.setClass(mActivity, ServerActivity::class.java))
-                }
-            }
-            holder.itemMainBinding.layoutRemove.setOnClickListener {
-                if (guid != MmkvManager.getSelectServer()) {
-                    if (MmkvManager.decodeSettingsBool(AppConfig.PREF_CONFIRM_REMOVE) == true) {
-                        AlertDialog.Builder(mActivity).setMessage(R.string.del_config_comfirm)
-                            .setPositiveButton(android.R.string.ok) { _, _ ->
-                                removeServer(guid, position)
-                            }
-                            .setNegativeButton(android.R.string.cancel) { _, _ ->
-                                //do noting
-                            }
-                            .show()
-                    } else {
-                        removeServer(guid, position)
-                    }
-                } else {
-                    application.toast(R.string.toast_action_not_allowed)
+                holder.itemMainBinding.layoutRemove.setOnClickListener {
+                    removeServer(guid, position)
                }
            }

            holder.itemMainBinding.infoContainer.setOnClickListener {
-                val selected = MmkvManager.getSelectServer()
-                if (guid != selected) {
-                    MmkvManager.setSelectServer(guid)
-                    if (!TextUtils.isEmpty(selected)) {
-                        notifyItemChanged(mActivity.mainViewModel.getPosition(selected.orEmpty()))
-                    }
-                    notifyItemChanged(mActivity.mainViewModel.getPosition(guid))
-                    if (isRunning) {
-                        V2RayServiceManager.stopVService(mActivity)
-                        mActivity.lifecycleScope.launch {
-                            try {
-                                delay(500)
-                                V2RayServiceManager.startVService(mActivity)
-                            } catch (e: Exception) {
-                                e.printStackTrace()
-                            }
-                        }
-                    }
-                }
+                setSelectServer(guid)
            }
        }
-        if (holder is FooterViewHolder) {
-            if (true) {
-                holder.itemFooterBinding.layoutEdit.visibility = View.INVISIBLE
-            } else {
-                holder.itemFooterBinding.layoutEdit.setOnClickListener {
-                    Utils.openUri(mActivity, "${Utils.decode(AppConfig.PromotionUrl)}?t=${System.currentTimeMillis()}")
-                }
+//        if (holder is FooterViewHolder) {
+//            if (true) {
+//                holder.itemFooterBinding.layoutEdit.visibility = View.INVISIBLE
+//            } else {
+//                holder.itemFooterBinding.layoutEdit.setOnClickListener {
+//                    Utils.openUri(mActivity, "${Utils.decode(AppConfig.PromotionUrl)}?t=${System.currentTimeMillis()}")
+//                }
+//            }
+//        }
+    }
+
+    /**
+     * Gets the server address information
+     * Hides part of IP or domain information for privacy protection
+     * @param profile The server configuration
+     * @return Formatted address string
+     */
+    private fun getAddress(profile: ProfileItem): String {
+        // Hide xxx:xxx:***/xxx.xxx.xxx.***
+        return "${
+            profile.server?.let {
+                if (it.contains(":"))
+                    it.split(":").take(2).joinToString(":", postfix = ":***")
+                else
+                    it.split('.').dropLast(1).joinToString(".", postfix = ".***")
            }
+        } : ${profile.serverPort}"
+    }
+
+    /**
+     * Gets the subscription remarks information
+     * @param profile The server configuration
+     * @return Subscription remarks string, or empty string if none
+     */
+    private fun getSubscriptionRemarks(profile: ProfileItem): String {
+        val subRemarks =
+            if (mActivity.mainViewModel.subscriptionId.isEmpty())
+                MmkvManager.decodeSubscription(profile.subscriptionId)?.remarks?.firstOrNull()
+            else
+                null
+        return subRemarks?.toString() ?: ""
+    }
+
+    /**
+     * Shares server configuration
+     * Displays a dialog with sharing options and executes the selected action
+     * @param guid The server unique identifier
+     * @param profile The server configuration
+     * @param position The position in the list
+     * @param shareOptions The list of share options
+     * @param skip The number of options to skip
+     */
+    private fun shareServer(guid: String, profile: ProfileItem, position: Int, shareOptions: List<String>, skip: Int) {
+        AlertDialog.Builder(mActivity).setItems(shareOptions.toTypedArray()) { _, i ->
+            try {
+                when (i + skip) {
+                    0 -> showQRCode(guid)
+                    1 -> share2Clipboard(guid)
+                    2 -> shareFullContent(guid)
+                    3 -> editServer(guid, profile)
+                    4 -> removeServer(guid, position)
+                    else -> mActivity.toast("else")
+                }
+            } catch (e: Exception) {
+                Log.e(AppConfig.TAG, "Error when sharing server", e)
+            }
+        }.show()
+    }
+
+    /**
+     * Displays QR code for the server configuration
+     * @param guid The server unique identifier
+     */
+    private fun showQRCode(guid: String) {
+        val ivBinding = ItemQrcodeBinding.inflate(LayoutInflater.from(mActivity))
+        ivBinding.ivQcode.setImageBitmap(AngConfigManager.share2QRCode(guid))
+        AlertDialog.Builder(mActivity).setView(ivBinding.root).show()
+    }
+
+    /**
+     * Shares server configuration to clipboard
+     * @param guid The server unique identifier
+     */
+    private fun share2Clipboard(guid: String) {
+        if (AngConfigManager.share2Clipboard(mActivity, guid) == 0) {
+            mActivity.toastSuccess(R.string.toast_success)
+        } else {
+            mActivity.toastError(R.string.toast_failure)
        }
    }

+    /**
+     * Shares full server configuration content to clipboard
+     * @param guid The server unique identifier
+     */
    private fun shareFullContent(guid: String) {
        if (AngConfigManager.shareFullContent2Clipboard(mActivity, guid) == 0) {
-            mActivity.toast(R.string.toast_success)
+            mActivity.toastSuccess(R.string.toast_success)
        } else {
-            mActivity.toast(R.string.toast_failure)
+            mActivity.toastError(R.string.toast_failure)
        }
    }

+    /**
+     * Edits server configuration
+     * Opens appropriate editing interface based on configuration type
+     * @param guid The server unique identifier
+     * @param profile The server configuration
+     */
+    private fun editServer(guid: String, profile: ProfileItem) {
+        val intent = Intent().putExtra("guid", guid)
+            .putExtra("isRunning", isRunning)
+            .putExtra("createConfigType", profile.configType.value)
+        if (profile.configType == EConfigType.CUSTOM) {
+            mActivity.startActivity(intent.setClass(mActivity, ServerCustomConfigActivity::class.java))
+        } else {
+            mActivity.startActivity(intent.setClass(mActivity, ServerActivity::class.java))
+        }
+    }
+
+    /**
+     * Removes server configuration
+     * Handles confirmation dialog and related checks
+     * @param guid The server unique identifier
+     * @param position The position in the list
+     */
    private fun removeServer(guid: String, position: Int) {
+        if (guid != MmkvManager.getSelectServer()) {
+            if (MmkvManager.decodeSettingsBool(AppConfig.PREF_CONFIRM_REMOVE) == true) {
+                AlertDialog.Builder(mActivity).setMessage(R.string.del_config_comfirm)
+                    .setPositiveButton(android.R.string.ok) { _, _ ->
+                        removeServerSub(guid, position)
+                    }
+                    .setNegativeButton(android.R.string.cancel) { _, _ ->
+                        //do noting
+                    }
+                    .show()
+            } else {
+                removeServerSub(guid, position)
+            }
+        } else {
+            application.toast(R.string.toast_action_not_allowed)
+        }
+    }
+
+    /**
+     * Executes the actual server removal process
+     * @param guid The server unique identifier
+     * @param position The position in the list
+     */
+    private fun removeServerSub(guid: String, position: Int) {
        mActivity.mainViewModel.removeServer(guid)
        notifyItemRemoved(position)
        notifyItemRangeChanged(position, mActivity.mainViewModel.serversCache.size)
    }

+    /**
+     * Sets the selected server
+     * Updates UI and restarts service if needed
+     * @param guid The server unique identifier to select
+     */
+    private fun setSelectServer(guid: String) {
+        val selected = MmkvManager.getSelectServer()
+        if (guid != selected) {
+            MmkvManager.setSelectServer(guid)
+            if (!TextUtils.isEmpty(selected)) {
+                notifyItemChanged(mActivity.mainViewModel.getPosition(selected.orEmpty()))
+            }
+            notifyItemChanged(mActivity.mainViewModel.getPosition(guid))
+            if (isRunning) {
+                V2RayServiceManager.stopVService(mActivity)
+                mActivity.lifecycleScope.launch {
+                    try {
+                        delay(500)
+                        V2RayServiceManager.startVService(mActivity)
+                    } catch (e: Exception) {
+                        Log.e(AppConfig.TAG, "Failed to restart V2Ray service", e)
+                    }
+                }
+            }
+        }
+    }
+
    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): BaseViewHolder {
        return when (viewType) {
            VIEW_TYPE_ITEM ->
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/PerAppProxyActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/PerAppProxyActivity.kt
@@ -1,10 +1,12 @@
 package com.v2ray.ang.ui

+import android.annotation.SuppressLint
 import android.os.Bundle
 import android.text.TextUtils
 import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
+import android.widget.Toast
 import androidx.appcompat.widget.SearchView
 import androidx.lifecycle.lifecycleScope
 import com.v2ray.ang.AppConfig
@@ -13,21 +15,21 @@ import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ActivityBypassListBinding
 import com.v2ray.ang.dto.AppInfo
 import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.extension.v2RayApplication
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.handler.SettingsManager
 import com.v2ray.ang.util.AppManagerUtil
 import com.v2ray.ang.util.HttpUtil
 import com.v2ray.ang.util.Utils
+import es.dmoral.toasty.Toasty
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import java.text.Collator

 class PerAppProxyActivity : BaseActivity() {
-    private val binding by lazy {
-        ActivityBypassListBinding.inflate(layoutInflater)
-    }
+    private val binding by lazy { ActivityBypassListBinding.inflate(layoutInflater) }

    private var adapter: PerAppProxyAdapter? = null
    private var appsAll: List<AppInfo>? = null
@@ -51,13 +53,13 @@ class PerAppProxyActivity : BaseActivity() {
                        appsList.forEach { app ->
                            app.isSelected = if (blacklist.contains(app.packageName)) 1 else 0
                        }
-                        appsList.sortedWith(Comparator { p1, p2 ->
+                        appsList.sortedWith { p1, p2 ->
                            when {
                                p1.isSelected > p2.isSelected -> -1
                                p1.isSelected == p2.isSelected -> 0
                                else -> 1
                            }
-                        })
+                        }
                    } else {
                        val collator = Collator.getInstance()
                        appsList.sortedWith(compareBy(collator) { it.appName })
@@ -83,6 +85,10 @@ class PerAppProxyActivity : BaseActivity() {
            MmkvManager.encodeSettings(AppConfig.PREF_BYPASS_APPS, isChecked)
        }
        binding.switchBypassApps.isChecked = MmkvManager.decodeSettingsBool(AppConfig.PREF_BYPASS_APPS, false)
+
+        binding.layoutSwitchBypassAppsTips.setOnClickListener {
+            Toasty.info(this, R.string.summary_pref_per_app_proxy, Toast.LENGTH_LONG, true).show()
+        }
    }

    override fun onPause() {
@@ -112,8 +118,10 @@ class PerAppProxyActivity : BaseActivity() {
        return super.onCreateOptionsMenu(menu)
    }

+
+    @SuppressLint("NotifyDataSetChanged")
    override fun onOptionsItemSelected(item: MenuItem) = when (item.itemId) {
-        R.id.select_all -> adapter?.let {
+        R.id.select_all -> adapter?.let { it ->
            val pkgNames = it.apps.map { it.packageName }
            if (it.blacklist.containsAll(pkgNames)) {
                it.apps.forEach {
@@ -152,7 +160,7 @@ class PerAppProxyActivity : BaseActivity() {
        toast(R.string.msg_downloading_content)
        binding.pbWaiting.show()

-        val url = AppConfig.androidpackagenamelistUrl
+        val url = AppConfig.ANDROID_PACKAGE_NAME_LIST_URL
        lifecycleScope.launch(Dispatchers.IO) {
            var content = HttpUtil.getUrlContent(url, 5000)
            if (content.isNullOrEmpty()) {
@@ -160,9 +168,9 @@ class PerAppProxyActivity : BaseActivity() {
                content = HttpUtil.getUrlContent(url, 5000, httpPort) ?: ""
            }
            launch(Dispatchers.Main) {
-                Log.d(ANG_PACKAGE, content)
+                Log.i(AppConfig.TAG, content)
                selectProxyApp(content, true)
-                toast(R.string.toast_success)
+                toastSuccess(R.string.toast_success)
                binding.pbWaiting.hide()
            }
        }
@@ -172,7 +180,7 @@ class PerAppProxyActivity : BaseActivity() {
        val content = Utils.getClipboard(applicationContext)
        if (TextUtils.isEmpty(content)) return
        selectProxyApp(content, false)
-        toast(R.string.toast_success)
+        toastSuccess(R.string.toast_success)
    }

    private fun exportProxyApp() {
@@ -182,9 +190,10 @@ class PerAppProxyActivity : BaseActivity() {
            lst = lst + System.getProperty("line.separator") + it
        }
        Utils.setClipboard(applicationContext, lst)
-        toast(R.string.toast_success)
+        toastSuccess(R.string.toast_success)
    }

+    @SuppressLint("NotifyDataSetChanged")
    private fun selectProxyApp(content: String, force: Boolean): Boolean {
        try {
            val proxyApps = if (TextUtils.isEmpty(content)) {
@@ -197,10 +206,10 @@ class PerAppProxyActivity : BaseActivity() {
            adapter?.blacklist?.clear()

            if (binding.switchBypassApps.isChecked) {
-                adapter?.let {
+                adapter?.let { it ->
                    it.apps.forEach block@{
                        val packageName = it.packageName
-                        Log.d(ANG_PACKAGE, packageName)
+                        Log.i(AppConfig.TAG, packageName)
                        if (!inProxyApps(proxyApps, packageName, force)) {
                            adapter?.blacklist?.add(packageName)
                            println(packageName)
@@ -210,10 +219,10 @@ class PerAppProxyActivity : BaseActivity() {
                    it.notifyDataSetChanged()
                }
            } else {
-                adapter?.let {
+                adapter?.let { it ->
                    it.apps.forEach block@{
                        val packageName = it.packageName
-                        Log.d(ANG_PACKAGE, packageName)
+                        Log.i(AppConfig.TAG, packageName)
                        if (inProxyApps(proxyApps, packageName, force)) {
                            adapter?.blacklist?.add(packageName)
                            println(packageName)
@@ -224,7 +233,7 @@ class PerAppProxyActivity : BaseActivity() {
                }
            }
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Error selecting proxy app", e)
            return false
        }
        return true
@@ -259,7 +268,12 @@ class PerAppProxyActivity : BaseActivity() {

        adapter = PerAppProxyAdapter(this, apps, adapter?.blacklist)
        binding.recyclerView.adapter = adapter
-        adapter?.notifyDataSetChanged()
+        refreshData()
        return true
    }
+
+    @SuppressLint("NotifyDataSetChanged")
+    fun refreshData() {
+        adapter?.notifyDataSetChanged()
+    }
 }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/PerAppProxyAdapter.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/PerAppProxyAdapter.kt
@@ -4,7 +4,6 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.recyclerview.widget.RecyclerView
-import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ItemRecyclerBypassListBinding
 import com.v2ray.ang.dto.AppInfo

@@ -35,7 +34,7 @@ class PerAppProxyAdapter(val activity: BaseActivity, val apps: List<AppInfo>, bl
                val view = View(ctx)
                view.layoutParams = ViewGroup.LayoutParams(
                    ViewGroup.LayoutParams.MATCH_PARENT,
-                    ctx.resources.getDimensionPixelSize(R.dimen.view_height_dp64) * 0
+                    0
                )
                BaseViewHolder(view)
            }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/RoutingEditActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/RoutingEditActivity.kt
@@ -9,6 +9,7 @@ import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ActivityRoutingEditBinding
 import com.v2ray.ang.dto.RulesetItem
 import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.handler.SettingsManager
 import com.v2ray.ang.util.Utils
 import kotlinx.coroutines.Dispatchers
@@ -78,7 +79,7 @@ class RoutingEditActivity : BaseActivity() {
        }

        SettingsManager.saveRoutingRuleset(position, rulesetItem)
-        toast(R.string.toast_success)
+        toastSuccess(R.string.toast_success)
        finish()
        return true
    }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/RoutingSettingActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/RoutingSettingActivity.kt
@@ -1,12 +1,12 @@
 package com.v2ray.ang.ui

 import android.Manifest
+import android.annotation.SuppressLint
 import android.content.Intent
 import android.os.Bundle
+import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
-import android.view.View
-import android.widget.AdapterView
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AlertDialog
 import androidx.lifecycle.lifecycleScope
@@ -17,6 +17,8 @@ import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ActivityRoutingSettingBinding
 import com.v2ray.ang.dto.RulesetItem
 import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastError
+import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.handler.SettingsManager
 import com.v2ray.ang.helper.SimpleItemTouchHelperCallback
@@ -63,15 +65,9 @@ class RoutingSettingActivity : BaseActivity() {
        mItemTouchHelper = ItemTouchHelper(SimpleItemTouchHelperCallback(adapter))
        mItemTouchHelper?.attachToRecyclerView(binding.recyclerView)

-        val found = Utils.arrayFind(routing_domain_strategy, MmkvManager.decodeSettingsString(AppConfig.PREF_ROUTING_DOMAIN_STRATEGY) ?: "")
-        found.let { binding.spDomainStrategy.setSelection(if (it >= 0) it else 0) }
-        binding.spDomainStrategy.onItemSelectedListener = object : AdapterView.OnItemSelectedListener {
-            override fun onNothingSelected(parent: AdapterView<*>?) {
-            }
-
-            override fun onItemSelected(parent: AdapterView<*>?, view: View?, position: Int, id: Long) {
-                MmkvManager.encodeSettings(AppConfig.PREF_ROUTING_DOMAIN_STRATEGY, routing_domain_strategy[position])
-            }
+        binding.tvDomainStrategySummary.text = getDomainStrategy()
+        binding.layoutDomainStrategy.setOnClickListener {
+            setDomainStrategy()
        }
    }

@@ -87,7 +83,6 @@ class RoutingSettingActivity : BaseActivity() {

    override fun onOptionsItemSelected(item: MenuItem): Boolean = when (item.itemId) {
        R.id.add_rule -> startActivity(Intent(this, RoutingEditActivity::class.java)).let { true }
-        R.id.user_asset_setting -> startActivity(Intent(this, UserAssetActivity::class.java)).let { true }
        R.id.import_predefined_rulesets -> importPredefined().let { true }
        R.id.import_rulesets_from_clipboard -> importFromClipboard().let { true }
        R.id.import_rulesets_from_qrcode -> requestCameraPermissionLauncher.launch(Manifest.permission.CAMERA).let { true }
@@ -95,6 +90,22 @@ class RoutingSettingActivity : BaseActivity() {
        else -> super.onOptionsItemSelected(item)
    }

+    private fun getDomainStrategy(): String {
+        return MmkvManager.decodeSettingsString(AppConfig.PREF_ROUTING_DOMAIN_STRATEGY) ?: routing_domain_strategy.first()
+    }
+
+    private fun setDomainStrategy() {
+        android.app.AlertDialog.Builder(this).setItems(routing_domain_strategy.asList().toTypedArray()) { _, i ->
+            try {
+                val value = routing_domain_strategy[i]
+                MmkvManager.encodeSettings(AppConfig.PREF_ROUTING_DOMAIN_STRATEGY, value)
+                binding.tvDomainStrategySummary.text = value
+            } catch (e: Exception) {
+                Log.e(AppConfig.TAG, "Failed to set domain strategy", e)
+            }
+        }.show()
+    }
+
    private fun importPredefined() {
        AlertDialog.Builder(this).setItems(preset_rulesets.asList().toTypedArray()) { _, i ->
            AlertDialog.Builder(this).setMessage(R.string.routing_settings_import_rulesets_tip)
@@ -104,11 +115,11 @@ class RoutingSettingActivity : BaseActivity() {
                            SettingsManager.resetRoutingRulesetsFromPresets(this@RoutingSettingActivity, i)
                            launch(Dispatchers.Main) {
                                refreshData()
-                                toast(R.string.toast_success)
+                                toastSuccess(R.string.toast_success)
                            }
                        }
                    } catch (e: Exception) {
-                        e.printStackTrace()
+                        Log.e(AppConfig.TAG, "Failed to import predefined ruleset", e)
                    }
                }
                .setNegativeButton(android.R.string.cancel) { _, _ ->
@@ -124,8 +135,8 @@ class RoutingSettingActivity : BaseActivity() {
                val clipboard = try {
                    Utils.getClipboard(this)
                } catch (e: Exception) {
-                    e.printStackTrace()
-                    toast(R.string.toast_failure)
+                    Log.e(AppConfig.TAG, "Failed to get clipboard content", e)
+                    toastError(R.string.toast_failure)
                    return@setPositiveButton
                }
                lifecycleScope.launch(Dispatchers.IO) {
@@ -133,9 +144,9 @@ class RoutingSettingActivity : BaseActivity() {
                    withContext(Dispatchers.Main) {
                        if (result) {
                            refreshData()
-                            toast(R.string.toast_success)
+                            toastSuccess(R.string.toast_success)
                        } else {
-                            toast(R.string.toast_failure)
+                            toastError(R.string.toast_failure)
                        }
                    }
                }
@@ -149,10 +160,10 @@ class RoutingSettingActivity : BaseActivity() {
    private fun export2Clipboard() {
        val rulesetList = MmkvManager.decodeRoutingRulesets()
        if (rulesetList.isNullOrEmpty()) {
-            toast(R.string.toast_failure)
+            toastError(R.string.toast_failure)
        } else {
            Utils.setClipboard(this, JsonUtil.toJson(rulesetList))
-            toast(R.string.toast_success)
+            toastSuccess(R.string.toast_success)
        }
    }

@@ -170,9 +181,9 @@ class RoutingSettingActivity : BaseActivity() {
                    withContext(Dispatchers.Main) {
                        if (result) {
                            refreshData()
-                            toast(R.string.toast_success)
+                            toastSuccess(R.string.toast_success)
                        } else {
-                            toast(R.string.toast_failure)
+                            toastError(R.string.toast_failure)
                        }
                    }
                }
@@ -184,6 +195,7 @@ class RoutingSettingActivity : BaseActivity() {
        return true
    }

+    @SuppressLint("NotifyDataSetChanged")
    fun refreshData() {
        rulesets.clear()
        rulesets.addAll(MmkvManager.decodeRoutingRulesets() ?: mutableListOf())
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/ScScannerActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/ScScannerActivity.kt
@@ -6,6 +6,8 @@ import android.os.Bundle
 import androidx.activity.result.contract.ActivityResultContracts
 import com.v2ray.ang.R
 import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastError
+import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.handler.AngConfigManager

 class ScScannerActivity : BaseActivity() {
@@ -27,7 +29,7 @@ class ScScannerActivity : BaseActivity() {
        importQRcode()
    }

-    fun importQRcode(): Boolean {
+    private fun importQRcode(): Boolean {
        requestCameraPermissionLauncher.launch(Manifest.permission.CAMERA)
        return true
    }
@@ -38,9 +40,9 @@ class ScScannerActivity : BaseActivity() {
            val (count, countSub) = AngConfigManager.importBatchConfig(scanResult, "", false)

            if (count + countSub > 0) {
-                toast(R.string.toast_success)
+                toastSuccess(R.string.toast_success)
            } else {
-                toast(R.string.toast_failure)
+                toastError(R.string.toast_failure)
            }

            startActivity(Intent(this, MainActivity::class.java))
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/ScannerActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/ScannerActivity.kt
@@ -6,6 +6,7 @@ import android.content.pm.PackageManager
 import android.graphics.BitmapFactory
 import android.os.Build
 import android.os.Bundle
+import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import androidx.activity.result.contract.ActivityResultContracts
@@ -21,6 +22,7 @@ import io.github.g00fy2.quickie.config.ScannerConfig

 class ScannerActivity : BaseActivity() {

+
    private val scanQrCode = registerForActivityResult(ScanCustomCode(), ::handleResult)
    private val chooseFile = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
        val uri = it.data?.data
@@ -37,7 +39,7 @@ class ScannerActivity : BaseActivity() {
                    finished(text)
                }
            } catch (e: Exception) {
-                e.printStackTrace()
+                Log.e(AppConfig.TAG, "Failed to decode QR code from file", e)
                toast(R.string.toast_decoding_failed)
            }
        }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/ServerActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/ServerActivity.kt
@@ -2,7 +2,6 @@ package com.v2ray.ang.ui

 import android.os.Bundle
 import android.text.TextUtils
-import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
@@ -14,7 +13,6 @@ import android.widget.Spinner
 import android.widget.TextView
 import androidx.appcompat.app.AlertDialog
 import com.v2ray.ang.AppConfig
-import com.v2ray.ang.AppConfig.ANG_PACKAGE
 import com.v2ray.ang.AppConfig.DEFAULT_PORT
 import com.v2ray.ang.AppConfig.PREF_ALLOW_INSECURE
 import com.v2ray.ang.AppConfig.REALITY
@@ -28,6 +26,7 @@ import com.v2ray.ang.dto.NetworkType
 import com.v2ray.ang.dto.ProfileItem
 import com.v2ray.ang.extension.isNotNullEmpty
 import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.util.JsonUtil
 import com.v2ray.ang.util.Utils
@@ -354,11 +353,11 @@ class ServerActivity : BaseActivity() {
            container_alpn?.visibility = View.VISIBLE

            et_sni?.text = Utils.getEditable(config.sni)
-            config.fingerPrint?.let {
+            config.fingerPrint?.let { it ->
                val utlsIndex = Utils.arrayFind(uTlsItems, it)
                utlsIndex.let { sp_stream_fingerprint?.setSelection(if (it >= 0) it else 0) }
            }
-            config.alpn?.let {
+            config.alpn?.let { it ->
                val alpnIndex = Utils.arrayFind(alpns, it)
                alpnIndex.let { sp_stream_alpn?.setSelection(if (it >= 0) it else 0) }
            }
@@ -480,9 +479,9 @@ class ServerActivity : BaseActivity() {
        if (config.subscriptionId.isEmpty() && !subscriptionId.isNullOrEmpty()) {
            config.subscriptionId = subscriptionId.orEmpty()
        }
-        Log.d(ANG_PACKAGE, JsonUtil.toJsonPretty(config) ?: "")
+        //Log.i(AppConfig.TAG, JsonUtil.toJsonPretty(config) ?: "")
        MmkvManager.encodeServerConfig(editGuid, config)
-        toast(R.string.toast_success)
+        toastSuccess(R.string.toast_success)
        finish()
        return true
    }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/ServerCustomConfigActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/ServerCustomConfigActivity.kt
@@ -2,21 +2,22 @@ package com.v2ray.ang.ui

 import android.os.Bundle
 import android.text.TextUtils
+import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
-import android.widget.Toast
 import androidx.appcompat.app.AlertDialog
 import com.blacksquircle.ui.editorkit.utils.EditorTheme
 import com.blacksquircle.ui.language.json.JsonLanguage
+import com.v2ray.ang.AppConfig
 import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ActivityServerCustomConfigBinding
 import com.v2ray.ang.dto.EConfigType
 import com.v2ray.ang.dto.ProfileItem
 import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.fmt.CustomFmt
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.util.Utils
-import me.drakeet.support.toast.ToastCompat

 class ServerCustomConfigActivity : BaseActivity() {
    private val binding by lazy { ActivityServerCustomConfigBinding.inflate(layoutInflater) }
@@ -77,8 +78,8 @@ class ServerCustomConfigActivity : BaseActivity() {
        val profileItem = try {
            CustomFmt.parse(binding.editor.text.toString())
        } catch (e: Exception) {
-            e.printStackTrace()
-            ToastCompat.makeText(this, "${getString(R.string.toast_malformed_josn)} ${e.cause?.message}", Toast.LENGTH_LONG).show()
+            Log.e(AppConfig.TAG, "Failed to parse custom configuration", e)
+            toast("${getString(R.string.toast_malformed_josn)} ${e.cause?.message}")
            return false
        }

@@ -91,7 +92,7 @@ class ServerCustomConfigActivity : BaseActivity() {

        MmkvManager.encodeServerConfig(editGuid, config)
        MmkvManager.encodeServerRaw(editGuid, binding.editor.text.toString())
-        toast(R.string.toast_success)
+        toastSuccess(R.string.toast_success)
        finish()
        return true
    }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/SettingsActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/SettingsActivity.kt
@@ -161,7 +161,7 @@ class SettingsActivity : BaseActivity() {
            }
            delayTestUrl?.setOnPreferenceChangeListener { _, any ->
                val nval = any as String
-                delayTestUrl?.summary = if (nval == "") AppConfig.DelayTestUrl else nval
+                delayTestUrl?.summary = if (nval == "") AppConfig.DELAY_TEST_URL else nval
                true
            }
            mode?.setOnPreferenceChangeListener { _, newValue ->
@@ -202,7 +202,7 @@ class SettingsActivity : BaseActivity() {
            remoteDns?.summary = MmkvManager.decodeSettingsString(AppConfig.PREF_REMOTE_DNS, AppConfig.DNS_PROXY)
            domesticDns?.summary = MmkvManager.decodeSettingsString(AppConfig.PREF_DOMESTIC_DNS, AppConfig.DNS_DIRECT)
            dnsHosts?.summary = MmkvManager.decodeSettingsString(AppConfig.PREF_DNS_HOSTS)
-            delayTestUrl?.summary = MmkvManager.decodeSettingsString(AppConfig.PREF_DELAY_TEST_URL, AppConfig.DelayTestUrl)
+            delayTestUrl?.summary = MmkvManager.decodeSettingsString(AppConfig.PREF_DELAY_TEST_URL, AppConfig.DELAY_TEST_URL)

            initSharedPreference()
        }
@@ -238,6 +238,7 @@ class SettingsActivity : BaseActivity() {
                AppConfig.PREF_SPEED_ENABLED,
                AppConfig.PREF_CONFIRM_REMOVE,
                AppConfig.PREF_START_SCAN_IMMEDIATE,
+                AppConfig.PREF_DOUBLE_COLUMN_DISPLAY,
                AppConfig.PREF_PREFER_IPV6,
                AppConfig.PREF_PROXY_SHARING,
                AppConfig.PREF_ALLOW_INSECURE
@@ -363,6 +364,6 @@ class SettingsActivity : BaseActivity() {
    }

    fun onModeHelpClicked(view: View) {
-        Utils.openUri(this, AppConfig.v2rayNGWikiMode)
+        Utils.openUri(this, AppConfig.APP_WIKI_MODE)
    }
 }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/SubEditActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/SubEditActivity.kt
@@ -10,6 +10,7 @@ import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ActivitySubEditBinding
 import com.v2ray.ang.dto.SubscriptionItem
 import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.util.Utils
 import kotlinx.coroutines.Dispatchers
@@ -18,8 +19,8 @@ import kotlinx.coroutines.launch
 class SubEditActivity : BaseActivity() {
    private val binding by lazy { ActivitySubEditBinding.inflate(layoutInflater) }

-    var del_config: MenuItem? = null
-    var save_config: MenuItem? = null
+    private var del_config: MenuItem? = null
+    private var save_config: MenuItem? = null

    private val editSubId by lazy { intent.getStringExtra("subId").orEmpty() }

@@ -37,7 +38,7 @@ class SubEditActivity : BaseActivity() {
    }

    /**
-     * bingding seleced server config
+     * binding selected server config
     */
    private fun bindingServer(subItem: SubscriptionItem): Boolean {
        binding.etRemarks.text = Utils.getEditable(subItem.remarks)
@@ -89,12 +90,12 @@ class SubEditActivity : BaseActivity() {

            if (!Utils.isValidSubUrl(subItem.url)) {
                toast(R.string.toast_insecure_url_protocol)
-                //return false
+                return false
            }
        }

        MmkvManager.encodeSubscription(editSubId, subItem)
-        toast(R.string.toast_success)
+        toastSuccess(R.string.toast_success)
        finish()
        return true
    }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/SubSettingActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/SubSettingActivity.kt
@@ -1,5 +1,6 @@
 package com.v2ray.ang.ui

+import android.annotation.SuppressLint
 import android.content.Intent
 import android.os.Bundle
 import android.view.Menu
@@ -10,7 +11,8 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ActivitySubSettingBinding
 import com.v2ray.ang.dto.SubscriptionItem
-import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastError
+import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.handler.AngConfigManager
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.helper.SimpleItemTouchHelperCallback
@@ -64,9 +66,9 @@ class SubSettingActivity : BaseActivity() {
                delay(500L)
                launch(Dispatchers.Main) {
                    if (count > 0) {
-                        toast(R.string.toast_success)
+                        toastSuccess(R.string.toast_success)
                    } else {
-                        toast(R.string.toast_failure)
+                        toastError(R.string.toast_failure)
                    }
                    binding.pbWaiting.hide()
                }
@@ -79,6 +81,7 @@ class SubSettingActivity : BaseActivity() {

    }

+    @SuppressLint("NotifyDataSetChanged")
    fun refreshData() {
        subscriptions = MmkvManager.decodeSubscriptions()
        adapter.notifyDataSetChanged()
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/SubSettingRecyclerAdapter.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/SubSettingRecyclerAdapter.kt
@@ -3,11 +3,13 @@ package com.v2ray.ang.ui
 import android.content.Intent
 import android.graphics.Color
 import android.text.TextUtils
+import android.util.Log
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import androidx.appcompat.app.AlertDialog
 import androidx.recyclerview.widget.RecyclerView
+import com.v2ray.ang.AppConfig
 import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ItemQrcodeBinding
 import com.v2ray.ang.databinding.ItemRecyclerSubSettingBinding
@@ -53,7 +55,10 @@ class SubSettingRecyclerAdapter(val activity: SubSettingActivity) : RecyclerView

        if (TextUtils.isEmpty(subItem.url)) {
            holder.itemSubSettingBinding.layoutShare.visibility = View.INVISIBLE
+            holder.itemSubSettingBinding.chkEnable.visibility = View.INVISIBLE
        } else {
+            holder.itemSubSettingBinding.layoutShare.visibility = View.VISIBLE
+            holder.itemSubSettingBinding.chkEnable.visibility = View.VISIBLE
            holder.itemSubSettingBinding.layoutShare.setOnClickListener {
                AlertDialog.Builder(mActivity)
                    .setItems(share_method.asList().toTypedArray()) { _, i ->
@@ -78,7 +83,7 @@ class SubSettingRecyclerAdapter(val activity: SubSettingActivity) : RecyclerView
                                else -> mActivity.toast("else")
                            }
                        } catch (e: Exception) {
-                            e.printStackTrace()
+                            Log.e(AppConfig.TAG, "Share subscription failed", e)
                        }
                    }.show()
            }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/TaskerActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/TaskerActivity.kt
@@ -3,6 +3,7 @@ package com.v2ray.ang.ui
 import android.content.Intent
 import android.os.Bundle
 import android.text.TextUtils
+import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import android.view.View
@@ -28,7 +29,7 @@ class TaskerActivity : BaseActivity() {
        lstData.add("Default")
        lstGuid.add(AppConfig.TASKER_DEFAULT_GUID)

-        MmkvManager.decodeServerList()?.forEach { key ->
+        MmkvManager.decodeServerList().forEach { key ->
            MmkvManager.decodeServerConfig(key)?.let { config ->
                lstData.add(config.remarks)
                lstGuid.add(key)
@@ -60,7 +61,7 @@ class TaskerActivity : BaseActivity() {
                }
            }
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to initialize Tasker settings", e)

        }
    }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/UrlSchemeActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/UrlSchemeActivity.kt
@@ -5,9 +5,11 @@ import android.net.Uri
 import android.os.Bundle
 import android.util.Log
 import androidx.lifecycle.lifecycleScope
+import com.v2ray.ang.AppConfig
 import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ActivityLogcatBinding
 import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastError
 import com.v2ray.ang.handler.AngConfigManager
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -44,7 +46,7 @@ class UrlSchemeActivity : BaseActivity() {
                        }

                        else -> {
-                            toast(R.string.toast_failure)
+                            toastError(R.string.toast_failure)
                        }
                    }
                }
@@ -53,7 +55,7 @@ class UrlSchemeActivity : BaseActivity() {
            startActivity(Intent(this, MainActivity::class.java))
            finish()
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Error processing URL scheme", e)
        }
    }

@@ -61,7 +63,7 @@ class UrlSchemeActivity : BaseActivity() {
        if (uriString.isNullOrEmpty()) {
            return
        }
-        Log.d("UrlScheme", uriString)
+        Log.i(AppConfig.TAG, uriString)

        var decodedUrl = URLDecoder.decode(uriString, "UTF-8")
        val uri = Uri.parse(decodedUrl)
@@ -69,7 +71,7 @@ class UrlSchemeActivity : BaseActivity() {
            if (uri.fragment.isNullOrEmpty() && !fragment.isNullOrEmpty()) {
                decodedUrl += "#${fragment}"
            }
-            Log.d("UrlScheme-decodedUrl", decodedUrl)
+            Log.i(AppConfig.TAG, decodedUrl)
            lifecycleScope.launch(Dispatchers.IO) {
                val (count, countSub) = AngConfigManager.importBatchConfig(decodedUrl, "", false)
                withContext(Dispatchers.Main) {
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/UserAssetActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/UserAssetActivity.kt
@@ -21,11 +21,14 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import androidx.recyclerview.widget.RecyclerView
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.R
-import com.v2ray.ang.databinding.ActivitySubSettingBinding
+import com.v2ray.ang.databinding.ActivityUserAssetBinding
 import com.v2ray.ang.databinding.ItemRecyclerUserAssetBinding
 import com.v2ray.ang.dto.AssetUrlItem
+import com.v2ray.ang.extension.concatUrl
 import com.v2ray.ang.extension.toTrafficString
 import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastError
+import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.handler.SettingsManager
 import com.v2ray.ang.util.HttpUtil
@@ -40,7 +43,7 @@ import java.text.DateFormat
 import java.util.Date

 class UserAssetActivity : BaseActivity() {
-    private val binding by lazy { ActivitySubSettingBinding.inflate(layoutInflater) }
+    private val binding by lazy { ActivityUserAssetBinding.inflate(layoutInflater) }

    val extDir by lazy { File(Utils.userAssetPath(this)) }
    val builtInGeoFiles = arrayOf("geosite.dat", "geoip.dat")
@@ -87,11 +90,16 @@ class UserAssetActivity : BaseActivity() {
        binding.recyclerView.layoutManager = LinearLayoutManager(this)
        addCustomDividerToRecyclerView(binding.recyclerView, this, R.drawable.custom_divider)
        binding.recyclerView.adapter = UserAssetAdapter()
+
+        binding.tvGeoFilesSourcesSummary.text = getGeoFilesSources()
+        binding.layoutGeoFilesSources.setOnClickListener {
+            setGeoFilesSources()
+        }
    }

    override fun onResume() {
        super.onResume()
-        binding.recyclerView.adapter?.notifyDataSetChanged()
+        refreshData()
    }

    override fun onCreateOptionsMenu(menu: Menu): Boolean {
@@ -108,6 +116,22 @@ class UserAssetActivity : BaseActivity() {
        else -> super.onOptionsItemSelected(item)
    }

+    private fun getGeoFilesSources(): String {
+        return MmkvManager.decodeSettingsString(AppConfig.PREF_GEO_FILES_SOURCES) ?: AppConfig.GEO_FILES_SOURCES.first()
+    }
+
+    private fun setGeoFilesSources() {
+        AlertDialog.Builder(this).setItems(AppConfig.GEO_FILES_SOURCES.toTypedArray()) { _, i ->
+            try {
+                val value = AppConfig.GEO_FILES_SOURCES[i]
+                MmkvManager.encodeSettings(AppConfig.PREF_GEO_FILES_SOURCES, value)
+                binding.tvGeoFilesSourcesSummary.text = value
+            } catch (e: Exception) {
+                Log.e(AppConfig.TAG, "Failed to set geo files sources", e)
+            }
+        }.show()
+    }
+
    private fun showFileChooser() {
        val permission = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
            Manifest.permission.READ_MEDIA_IMAGES
@@ -117,7 +141,7 @@ class UserAssetActivity : BaseActivity() {
        requestStoragePermissionLauncher.launch(permission)
    }

-    val chooseFile = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
+    private val chooseFile = registerForActivityResult(ActivityResultContracts.StartActivityForResult()) { result ->
        val uri = result.data?.data
        if (result.resultCode == RESULT_OK && uri != null) {
            val assetId = Utils.getUuid()
@@ -135,7 +159,7 @@ class UserAssetActivity : BaseActivity() {
                    copyFile(uri)
                }
            }.onFailure {
-                toast(R.string.toast_asset_copy_failed)
+                toastError(R.string.toast_asset_copy_failed)
                MmkvManager.removeAssetUrl(assetId)
            }
        }
@@ -146,8 +170,8 @@ class UserAssetActivity : BaseActivity() {
        contentResolver.openInputStream(uri).use { inputStream ->
            targetFile.outputStream().use { fileOut ->
                inputStream?.copyTo(fileOut)
-                toast(R.string.toast_success)
-                binding.recyclerView.adapter?.notifyDataSetChanged()
+                toastSuccess(R.string.toast_success)
+                refreshData()
            }
        }
        return targetFile.path
@@ -161,7 +185,7 @@ class UserAssetActivity : BaseActivity() {
            }.also { cursor.close() }
        }
    } catch (e: Exception) {
-        e.printStackTrace()
+        Log.e(AppConfig.TAG, "Failed to get cursor name", e)
        null
    }

@@ -188,7 +212,7 @@ class UserAssetActivity : BaseActivity() {
                    .putExtra(UserAssetUrlActivity.ASSET_URL_QRCODE, url)
            )
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to import asset from URL", e)
            return false
        }
        return true
@@ -205,17 +229,21 @@ class UserAssetActivity : BaseActivity() {
        var resultCount = 0
        lifecycleScope.launch(Dispatchers.IO) {
            assets.forEach {
-                var result = downloadGeo(it.second, 15000, httpPort)
-                if (!result) {
-                    result = downloadGeo(it.second, 15000, 0)
+                try {
+                    var result = downloadGeo(it.second, 15000, httpPort)
+                    if (!result) {
+                        result = downloadGeo(it.second, 15000, 0)
+                    }
+                    if (result)
+                        resultCount++
+                } catch (e: Exception) {
+                    Log.e(AppConfig.TAG, "Failed to download geo file: ${it.second.remarks}", e)
                }
-                if (result)
-                    resultCount++
            }
            withContext(Dispatchers.Main) {
                if (resultCount > 0) {
                    toast(getString(R.string.title_update_config_count, resultCount))
-                    binding.recyclerView.adapter?.notifyDataSetChanged()
+                    refreshData()
                } else {
                    toast(getString(R.string.toast_failure))
                }
@@ -227,7 +255,7 @@ class UserAssetActivity : BaseActivity() {
    private fun downloadGeo(item: AssetUrlItem, timeout: Int, httpPort: Int): Boolean {
        val targetTemp = File(extDir, item.remarks + "_temp")
        val target = File(extDir, item.remarks)
-        //Log.d(AppConfig.ANG_PACKAGE, url)
+        Log.i(AppConfig.TAG, "Downloading geo file: ${item.remarks} from ${item.url}")

        val conn = HttpUtil.createProxyConnection(item.url, httpPort, timeout, timeout, needStream = true) ?: return false
        try {
@@ -242,10 +270,10 @@ class UserAssetActivity : BaseActivity() {
            }
            return true
        } catch (e: Exception) {
-            Log.e(AppConfig.ANG_PACKAGE, Log.getStackTraceString(e))
+            Log.e(AppConfig.TAG, "Failed to download geo file: ${item.remarks}", e)
            return false
        } finally {
-            conn?.disconnect()
+            conn.disconnect()
        }
    }

@@ -257,7 +285,8 @@ class UserAssetActivity : BaseActivity() {
                list.add(
                    Utils.getUuid() to AssetUrlItem(
                        it,
-                        AppConfig.GeoUrl + it
+                        String.format(AppConfig.GITHUB_DOWNLOAD_URL, getGeoFilesSources()).concatUrl(it),
+                        locked = true
                    )
                )
            }
@@ -269,11 +298,16 @@ class UserAssetActivity : BaseActivity() {
        lifecycleScope.launch(Dispatchers.Default) {
            SettingsManager.initAssets(this@UserAssetActivity, assets)
            withContext(Dispatchers.Main) {
-                binding.recyclerView.adapter?.notifyDataSetChanged()
+                refreshData()
            }
        }
    }

+    @SuppressLint("NotifyDataSetChanged")
+    fun refreshData() {
+        binding.recyclerView.adapter?.notifyDataSetChanged()
+    }
+
    inner class UserAssetAdapter : RecyclerView.Adapter<UserAssetViewHolder>() {
        override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): UserAssetViewHolder {
            return UserAssetViewHolder(
@@ -303,7 +337,7 @@ class UserAssetActivity : BaseActivity() {
                holder.itemUserAssetBinding.assetProperties.text = getString(R.string.msg_file_not_found)
            }

-            if (item.second.remarks in builtInGeoFiles && item.second.url == AppConfig.GeoUrl + item.second.remarks) {
+            if (item.second.locked == true) {
                holder.itemUserAssetBinding.layoutEdit.visibility = GONE
                //holder.itemUserAssetBinding.layoutRemove.visibility = GONE
            } else {
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/ui/UserAssetUrlActivity.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/ui/UserAssetUrlActivity.kt
@@ -2,13 +2,16 @@ package com.v2ray.ang.ui

 import android.os.Bundle
 import android.text.TextUtils
+import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import androidx.appcompat.app.AlertDialog
+import com.v2ray.ang.AppConfig
 import com.v2ray.ang.R
 import com.v2ray.ang.databinding.ActivityUserAssetUrlBinding
 import com.v2ray.ang.dto.AssetUrlItem
 import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.util.Utils
 import java.io.File
@@ -21,10 +24,10 @@ class UserAssetUrlActivity : BaseActivity() {

    private val binding by lazy { ActivityUserAssetUrlBinding.inflate(layoutInflater) }

-    var del_config: MenuItem? = null
-    var save_config: MenuItem? = null
+    private var del_config: MenuItem? = null
+    private var save_config: MenuItem? = null

-    val extDir by lazy { File(Utils.userAssetPath(this)) }
+    private val extDir by lazy { File(Utils.userAssetPath(this)) }
    private val editAssetId by lazy { intent.getStringExtra("assetId").orEmpty() }

    override fun onCreate(savedInstanceState: Bundle?) {
@@ -41,6 +44,7 @@ class UserAssetUrlActivity : BaseActivity() {
                binding.etRemarks.setText(assetNameQrcode)
                binding.etUrl.setText(assetUrlQrcode)
            }
+
            else -> clearAsset()
        }
    }
@@ -73,7 +77,11 @@ class UserAssetUrlActivity : BaseActivity() {
            // remove file associated with the asset
            val file = extDir.resolve(assetItem.remarks)
            if (file.exists()) {
-                file.delete()
+                try {
+                    file.delete()
+                } catch (e: Exception) {
+                    Log.e(AppConfig.TAG, "Failed to delete asset file: ${file.path}", e)
+                }
            }
        } else {
            assetId = Utils.getUuid()
@@ -101,7 +109,7 @@ class UserAssetUrlActivity : BaseActivity() {
        }

        MmkvManager.encodeAsset(assetId, assetItem)
-        toast(R.string.toast_success)
+        toastSuccess(R.string.toast_success)
        finish()
        return true
    }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/util/AppManagerUtil.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/util/AppManagerUtil.kt
@@ -25,7 +25,7 @@ object AppManagerUtil {

                val appName = applicationInfo.loadLabel(packageManager).toString()
                val appIcon = applicationInfo.loadIcon(packageManager) ?: continue
-                val isSystemApp = (applicationInfo.flags and ApplicationInfo.FLAG_SYSTEM) > 0
+                val isSystemApp = applicationInfo.flags and ApplicationInfo.FLAG_SYSTEM > 0

                val appInfo = AppInfo(appName, pkg.packageName, appIcon, isSystemApp, 0)
                apps.add(appInfo)
@@ -33,4 +33,8 @@ object AppManagerUtil {

            return@withContext apps
        }
-}
+
+    fun getLastUpdateTime(context: Context): Long =
+        context.packageManager.getPackageInfo(context.packageName, 0).lastUpdateTime
+
+}
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/util/HttpUtil.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/util/HttpUtil.kt
@@ -1,15 +1,21 @@
 package com.v2ray.ang.util

+import android.util.Log
+import com.v2ray.ang.AppConfig
 import com.v2ray.ang.AppConfig.LOOPBACK
 import com.v2ray.ang.BuildConfig
 import com.v2ray.ang.util.Utils.encode
 import com.v2ray.ang.util.Utils.urlDecode
 import java.io.IOException
-import java.net.*
-import java.util.*
+import java.net.HttpURLConnection
+import java.net.IDN
+import java.net.InetSocketAddress
+import java.net.Proxy
+import java.net.URL

 object HttpUtil {

+
    /**
     * Converts a URL string to its ASCII representation.
     *
@@ -18,7 +24,13 @@ object HttpUtil {
     */
    fun idnToASCII(str: String): String {
        val url = URL(str)
-        return URL(url.protocol, IDN.toASCII(url.host, IDN.ALLOW_UNASSIGNED), url.port, url.file).toExternalForm()
+        val host = url.host
+        val asciiHost = IDN.toASCII(url.host, IDN.ALLOW_UNASSIGNED)
+        if (host != asciiHost) {
+            return str.replace(host, asciiHost)
+        } else {
+            return str
+        }
    }

    /**
@@ -136,7 +148,7 @@ object HttpUtil {
                )
            }
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to create proxy connection", e)
            // If an exception occurs, close the connection and return null
            conn?.disconnect()
            return null
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/util/JsonUtil.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/util/JsonUtil.kt
@@ -1,5 +1,6 @@
 package com.v2ray.ang.util

+import android.util.Log
 import com.google.gson.Gson
 import com.google.gson.GsonBuilder
 import com.google.gson.JsonObject
@@ -8,6 +9,7 @@ import com.google.gson.JsonPrimitive
 import com.google.gson.JsonSerializationContext
 import com.google.gson.JsonSerializer
 import com.google.gson.reflect.TypeToken
+import com.v2ray.ang.AppConfig
 import java.lang.reflect.Type

 object JsonUtil {
@@ -70,7 +72,7 @@ object JsonUtil {
        try {
            return JsonParser.parseString(src).getAsJsonObject()
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to parse JSON string", e)
            return null
        }
    }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/util/MessageUtil.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/util/MessageUtil.kt
@@ -3,12 +3,14 @@ package com.v2ray.ang.util
 import android.content.ComponentName
 import android.content.Context
 import android.content.Intent
+import android.util.Log
 import com.v2ray.ang.AppConfig
 import com.v2ray.ang.service.V2RayTestService
 import java.io.Serializable

 object MessageUtil {

+
    /**
     * Sends a message to the service.
     *
@@ -46,7 +48,7 @@ object MessageUtil {
            intent.putExtra("content", content)
            ctx.startService(intent)
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to send message to test service", e)
        }
    }

@@ -67,7 +69,7 @@ object MessageUtil {
            intent.putExtra("content", content)
            ctx.sendBroadcast(intent)
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to send message with action: $action", e)
        }
    }
 }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/util/PluginUtil.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/util/PluginUtil.kt
@@ -3,7 +3,7 @@ package com.v2ray.ang.util
 import android.content.Context
 import android.os.SystemClock
 import android.util.Log
-import com.v2ray.ang.AppConfig.ANG_PACKAGE
+import com.v2ray.ang.AppConfig
 import com.v2ray.ang.dto.EConfigType
 import com.v2ray.ang.dto.ProfileItem
 import com.v2ray.ang.fmt.Hysteria2Fmt
@@ -13,7 +13,7 @@ import java.io.File

 object PluginUtil {
    private const val HYSTERIA2 = "libhysteria2.so"
-    private const val TAG = ANG_PACKAGE
+
    private val procService: ProcessService by lazy {
        ProcessService()
    }
@@ -26,13 +26,23 @@ object PluginUtil {
     * @param domainPort The domain and port information.
     */
    fun runPlugin(context: Context, config: ProfileItem?, domainPort: String?) {
-        Log.d(TAG, "runPlugin")
+        Log.i(AppConfig.TAG, "Starting plugin execution")

-        if (config?.configType?.equals(EConfigType.HYSTERIA2) == true) {
-            val configFile = genConfigHy2(context, config, domainPort) ?: return
-            val cmd = genCmdHy2(context, configFile)
+        if (config == null) {
+            Log.w(AppConfig.TAG, "Cannot run plugin: config is null")
+            return
+        }
+        
+        try {
+            if (config.configType == EConfigType.HYSTERIA2) {
+                Log.i(AppConfig.TAG, "Running Hysteria2 plugin")
+                val configFile = genConfigHy2(context, config, domainPort) ?: return
+                val cmd = genCmdHy2(context, configFile)

-            procService.runProcess(context, cmd)
+                procService.runProcess(context, cmd)
+            }
+        } catch (e: Exception) {
+            Log.e(AppConfig.TAG, "Error running plugin", e)
        }
    }

@@ -51,7 +61,7 @@ object PluginUtil {
     * @return The ping delay in milliseconds, or -1 if it fails.
     */
    fun realPingHy2(context: Context, config: ProfileItem?): Long {
-        Log.d(TAG, "realPingHy2")
+        Log.i(AppConfig.TAG, "realPingHy2")
        val retFailure = -1L

        if (config?.configType?.equals(EConfigType.HYSTERIA2) == true) {
@@ -79,18 +89,18 @@ object PluginUtil {
     * @return The generated configuration file.
     */
    private fun genConfigHy2(context: Context, config: ProfileItem, domainPort: String?): File? {
-        Log.d(TAG, "runPlugin $HYSTERIA2")
+        Log.i(AppConfig.TAG, "runPlugin $HYSTERIA2")

        val socksPort = domainPort?.split(":")?.last()
            .let { if (it.isNullOrEmpty()) return null else it.toInt() }
        val hy2Config = Hysteria2Fmt.toNativeConfig(config, socksPort) ?: return null

        val configFile = File(context.noBackupFilesDir, "hy2_${SystemClock.elapsedRealtime()}.json")
-        Log.d(TAG, "runPlugin ${configFile.absolutePath}")
+        Log.i(AppConfig.TAG, "runPlugin ${configFile.absolutePath}")

        configFile.parentFile?.mkdirs()
        configFile.writeText(JsonUtil.toJson(hy2Config))
-        Log.d(TAG, JsonUtil.toJson(hy2Config))
+        Log.i(AppConfig.TAG, JsonUtil.toJson(hy2Config))

        return configFile
    }
@@ -119,10 +129,10 @@ object PluginUtil {
     */
    private fun stopHy2() {
        try {
-            Log.d(TAG, "$HYSTERIA2 destroy")
+            Log.i(AppConfig.TAG, "$HYSTERIA2 destroy")
            procService?.stopProcess()
        } catch (e: Exception) {
-            Log.d(TAG, e.toString())
+            Log.e(AppConfig.TAG, "Failed to stop Hysteria2 process", e)
        }
    }
 }
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/util/Utils.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/util/Utils.kt
@@ -4,7 +4,6 @@ import android.content.ClipData
 import android.content.ClipboardManager
 import android.content.Context
 import android.content.Intent
-import android.content.pm.PackageManager
 import android.content.res.Configuration.UI_MODE_NIGHT_MASK
 import android.content.res.Configuration.UI_MODE_NIGHT_NO
 import android.os.Build
@@ -18,10 +17,12 @@ import android.webkit.URLUtil
 import androidx.core.content.ContextCompat
 import androidx.core.net.toUri
 import com.v2ray.ang.AppConfig
-import com.v2ray.ang.AppConfig.ANG_PACKAGE
 import com.v2ray.ang.AppConfig.LOOPBACK
+import com.v2ray.ang.BuildConfig
 import java.io.IOException
+import java.net.InetAddress
 import java.net.ServerSocket
+import java.net.URI
 import java.net.URLDecoder
 import java.net.URLEncoder
 import java.util.Locale
@@ -29,6 +30,10 @@ import java.util.UUID

 object Utils {

+    private val IPV4_REGEX =
+        Regex("^([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])\\.([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])\\.([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])\\.([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])$")
+    private val IPV6_REGEX = Regex("^((?:[0-9A-Fa-f]{1,4}))?((?::[0-9A-Fa-f]{1,4}))*::((?:[0-9A-Fa-f]{1,4}))?((?::[0-9A-Fa-f]{1,4}))*|((?:[0-9A-Fa-f]{1,4}))((?::[0-9A-Fa-f]{1,4})){7}$")
+
    /**
     * Convert string to editable for Kotlin.
     *
@@ -47,22 +52,7 @@ object Utils {
     * @return The index of the value in the array, or -1 if not found.
     */
    fun arrayFind(array: Array<out String>, value: String): Int {
-        for (i in array.indices) {
-            if (array[i] == value) {
-                return i
-            }
-        }
-        return -1
-    }
-
-    /**
-     * Parse a string to an integer.
-     *
-     * @param str The string to parse.
-     * @return The parsed integer, or 0 if parsing fails.
-     */
-    fun parseInt(str: String): Int {
-        return parseInt(str, 0)
+        return array.indexOf(value)
    }

    /**
@@ -72,7 +62,7 @@ object Utils {
     * @param default The default value if parsing fails.
     * @return The parsed integer, or the default value if parsing fails.
     */
-    fun parseInt(str: String?, default: Int): Int {
+    fun parseInt(str: String?, default: Int = 0): Int {
        return str?.toIntOrNull() ?: default
    }

@@ -87,7 +77,7 @@ object Utils {
            val cmb = context.getSystemService(Context.CLIPBOARD_SERVICE) as ClipboardManager
            cmb.primaryClip?.getItemAt(0)?.text.toString()
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to get clipboard content", e)
            ""
        }
    }
@@ -104,7 +94,7 @@ object Utils {
            val clipData = ClipData.newPlainText(null, content)
            cmb.setPrimaryClip(clipData)
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to set clipboard content", e)
        }
    }

@@ -125,15 +115,17 @@ object Utils {
     * @return The decoded string, or null if decoding fails.
     */
    fun tryDecodeBase64(text: String?): String? {
+        if (text.isNullOrEmpty()) return null
+
        try {
            return Base64.decode(text, Base64.NO_WRAP).toString(Charsets.UTF_8)
        } catch (e: Exception) {
-            Log.i(ANG_PACKAGE, "Parse base64 standard failed $e")
+            Log.e(AppConfig.TAG, "Failed to decode standard base64", e)
        }
        try {
            return Base64.decode(text, Base64.NO_WRAP.or(Base64.URL_SAFE)).toString(Charsets.UTF_8)
        } catch (e: Exception) {
-            Log.i(ANG_PACKAGE, "Parse base64 url safe failed $e")
+            Log.e(AppConfig.TAG, "Failed to decode URL-safe base64", e)
        }
        return null
    }
@@ -148,7 +140,7 @@ object Utils {
        return try {
            Base64.encodeToString(text.toByteArray(Charsets.UTF_8), Base64.NO_WRAP)
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to encode text to base64", e)
            ""
        }
    }
@@ -160,43 +152,38 @@ object Utils {
     * @return True if the string is a valid IP address, false otherwise.
     */
    fun isIpAddress(value: String?): Boolean {
+        if (value.isNullOrEmpty()) return false
+
        try {
-            if (value.isNullOrEmpty()) {
-                return false
-            }
-            var addr = value
-            if (addr.isEmpty() || addr.isBlank()) {
-                return false
-            }
+            var addr = value.trim()
+            if (addr.isEmpty()) return false
+
            //CIDR
-            if (addr.indexOf("/") > 0) {
+            if (addr.contains("/")) {
                val arr = addr.split("/")
-                if (arr.count() == 2 && Integer.parseInt(arr[1]) > -1) {
+                if (arr.size == 2 && arr[1].toIntOrNull() != null && arr[1].toInt() > -1) {
                    addr = arr[0]
                }
            }

-            // "::ffff:192.168.173.22"
-            // "[::ffff:192.168.173.22]:80"
+            // Handle IPv4-mapped IPv6 addresses
            if (addr.startsWith("::ffff:") && '.' in addr) {
                addr = addr.drop(7)
            } else if (addr.startsWith("[::ffff:") && '.' in addr) {
                addr = addr.drop(8).replace("]", "")
            }

-            // addr = addr.toLowerCase()
-            val octets = addr.split('.').toTypedArray()
+            val octets = addr.split('.')
            if (octets.size == 4) {
-                if (octets[3].indexOf(":") > 0) {
+                if (octets[3].contains(":")) {
                    addr = addr.substring(0, addr.indexOf(":"))
                }
                return isIpv4Address(addr)
            }

-            // Ipv6addr [2001:abc::123]:8080
            return isIpv6Address(addr)
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to validate IP address", e)
            return false
        }
    }
@@ -218,9 +205,7 @@ object Utils {
     * @return True if the string is a valid IPv4 address, false otherwise.
     */
    private fun isIpv4Address(value: String): Boolean {
-        val regV4 =
-            Regex("^([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])\\.([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])\\.([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])\\.([01]?[0-9]?[0-9]|2[0-4][0-9]|25[0-5])$")
-        return regV4.matches(value)
+        return IPV4_REGEX.matches(value)
    }

    /**
@@ -231,13 +216,10 @@ object Utils {
     */
    private fun isIpv6Address(value: String): Boolean {
        var addr = value
-        if (addr.indexOf("[") == 0 && addr.lastIndexOf("]") > 0) {
-            addr = addr.drop(1)
-            addr = addr.dropLast(addr.count() - addr.lastIndexOf("]"))
+        if (addr.startsWith("[") && addr.endsWith("]")) {
+            addr = addr.drop(1).dropLast(1)
        }
-        val regV6 =
-            Regex("^((?:[0-9A-Fa-f]{1,4}))?((?::[0-9A-Fa-f]{1,4}))*::((?:[0-9A-Fa-f]{1,4}))?((?::[0-9A-Fa-f]{1,4}))*|((?:[0-9A-Fa-f]{1,4}))((?::[0-9A-Fa-f]{1,4})){7}$")
-        return regV6.matches(addr)
+        return IPV6_REGEX.matches(addr)
    }

    /**
@@ -247,10 +229,10 @@ object Utils {
     * @return True if the string is a CoreDNS address, false otherwise.
     */
    fun isCoreDNSAddress(s: String): Boolean {
-        return s.startsWith("https")
-                || s.startsWith("tcp")
-                || s.startsWith("quic")
-                || s == "localhost"
+        return s.startsWith("https") ||
+                s.startsWith("tcp") ||
+                s.startsWith("quic") ||
+                s == "localhost"
    }

    /**
@@ -260,21 +242,16 @@ object Utils {
     * @return True if the string is a valid URL, false otherwise.
     */
    fun isValidUrl(value: String?): Boolean {
-        try {
-            if (value.isNullOrEmpty()) {
-                return false
-            }
-            if (Patterns.WEB_URL.matcher(value).matches()
-                || Patterns.DOMAIN_NAME.matcher(value).matches()
-                || URLUtil.isValidUrl(value)
-            ) {
-                return true
-            }
+        if (value.isNullOrEmpty()) return false
+
+        return try {
+            Patterns.WEB_URL.matcher(value).matches() ||
+                    Patterns.DOMAIN_NAME.matcher(value).matches() ||
+                    URLUtil.isValidUrl(value)
        } catch (e: Exception) {
-            e.printStackTrace()
-            return false
+            Log.e(AppConfig.TAG, "Failed to validate URL", e)
+            false
        }
-        return false
    }

    /**
@@ -284,8 +261,12 @@ object Utils {
     * @param uriString The URI string to open.
     */
    fun openUri(context: Context, uriString: String) {
-        val uri = uriString.toUri()
-        context.startActivity(Intent(Intent.ACTION_VIEW, uri))
+        try {
+            val uri = uriString.toUri()
+            context.startActivity(Intent(Intent.ACTION_VIEW, uri))
+        } catch (e: Exception) {
+            Log.e(AppConfig.TAG, "Failed to open URI", e)
+        }
    }

    /**
@@ -297,7 +278,7 @@ object Utils {
        return try {
            UUID.randomUUID().toString().replace("-", "")
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to generate UUID", e)
            ""
        }
    }
@@ -312,7 +293,7 @@ object Utils {
        return try {
            URLDecoder.decode(url, Charsets.UTF_8.toString())
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to decode URL", e)
            url
        }
    }
@@ -327,7 +308,7 @@ object Utils {
        return try {
            URLEncoder.encode(url, Charsets.UTF_8.toString()).replace("+", "%20")
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to encode URL", e)
            url
        }
    }
@@ -340,13 +321,18 @@ object Utils {
     * @return The content of the asset file as a string.
     */
    fun readTextFromAssets(context: Context?, fileName: String): String {
-        if (context == null) {
-            return ""
+        if (context == null) return ""
+
+        return try {
+            context.assets.open(fileName).use { inputStream ->
+                inputStream.bufferedReader().use { reader ->
+                    reader.readText()
+                }
+            }
+        } catch (e: Exception) {
+            Log.e(AppConfig.TAG, "Failed to read asset file: $fileName", e)
+            ""
        }
-        val content = context.assets.open(fileName).bufferedReader().use {
-            it.readText()
-        }
-        return content
    }

    /**
@@ -356,11 +342,15 @@ object Utils {
     * @return The path to the user asset directory.
     */
    fun userAssetPath(context: Context?): String {
-        if (context == null)
-            return ""
-        val extDir = context.getExternalFilesDir(AppConfig.DIR_ASSETS)
-            ?: return context.getDir(AppConfig.DIR_ASSETS, 0).absolutePath
-        return extDir.absolutePath
+        if (context == null) return ""
+
+        return try {
+            context.getExternalFilesDir(AppConfig.DIR_ASSETS)?.absolutePath
+                ?: context.getDir(AppConfig.DIR_ASSETS, 0).absolutePath
+        } catch (e: Exception) {
+            Log.e(AppConfig.TAG, "Failed to get user asset path", e)
+            ""
+        }
    }

    /**
@@ -370,11 +360,15 @@ object Utils {
     * @return The path to the backup directory.
     */
    fun backupPath(context: Context?): String {
-        if (context == null)
-            return ""
-        val extDir = context.getExternalFilesDir(AppConfig.DIR_BACKUPS)
-            ?: return context.getDir(AppConfig.DIR_BACKUPS, 0).absolutePath
-        return extDir.absolutePath
+        if (context == null) return ""
+
+        return try {
+            context.getExternalFilesDir(AppConfig.DIR_BACKUPS)?.absolutePath
+                ?: context.getDir(AppConfig.DIR_BACKUPS, 0).absolutePath
+        } catch (e: Exception) {
+            Log.e(AppConfig.TAG, "Failed to get backup path", e)
+            ""
+        }
    }

    /**
@@ -383,8 +377,13 @@ object Utils {
     * @return The device ID for XUDP base key.
     */
    fun getDeviceIdForXUDPBaseKey(): String {
-        val androidId = Settings.Secure.ANDROID_ID.toByteArray(Charsets.UTF_8)
-        return Base64.encodeToString(androidId.copyOf(32), Base64.NO_PADDING.or(Base64.URL_SAFE))
+        return try {
+            val androidId = Settings.Secure.ANDROID_ID.toByteArray(Charsets.UTF_8)
+            Base64.encodeToString(androidId.copyOf(32), Base64.NO_PADDING.or(Base64.URL_SAFE))
+        } catch (e: Exception) {
+            Log.e(AppConfig.TAG, "Failed to generate device ID", e)
+            ""
+        }
    }

    /**
@@ -404,11 +403,10 @@ object Utils {
     * @return The formatted IPv6 address, or the original address if not valid.
     */
    fun getIpv6Address(address: String?): String {
-        if (address == null) {
-            return ""
-        }
+        if (address.isNullOrEmpty()) return ""
+
        return if (isIpv6Address(address) && !address.contains('[') && !address.contains(']')) {
-            String.format("[%s]", address)
+            "[$address]"
        } else {
            address
        }
@@ -432,30 +430,10 @@ object Utils {
     * @return The URL string with illegal characters replaced.
     */
    fun fixIllegalUrl(str: String): String {
-        return str
-            .replace(" ", "%20")
+        return str.replace(" ", "%20")
            .replace("|", "%7C")
    }

-    /**
-     * Remove white space from a string.
-     *
-     * @param str The string to process.
-     * @return The string without white space.
-     */
-    fun removeWhiteSpace(str: String?): String? {
-        return str?.replace(" ", "")
-    }
-
-    /**
-     * Check if the device is a TV.
-     *
-     * @param context The context to use.
-     * @return True if the device is a TV, false otherwise.
-     */
-    fun isTv(context: Context): Boolean =
-        context.packageManager.hasSystemFeature(PackageManager.FEATURE_LEANBACK)
-
    /**
     * Find a free port from a list of ports.
     *
@@ -483,12 +461,23 @@ object Utils {
     * @return True if the string is a valid subscription URL, false otherwise.
     */
    fun isValidSubUrl(value: String?): Boolean {
+        if (value.isNullOrEmpty()) return false
+
        try {
-            if (value.isNullOrEmpty()) return false
            if (URLUtil.isHttpsUrl(value)) return true
-            if (URLUtil.isHttpUrl(value) && value.contains(LOOPBACK)) return true
+            if (URLUtil.isHttpUrl(value)) {
+                if (value.contains(LOOPBACK)) return true
+
+                //Check private ip address
+                val uri = URI(fixIllegalUrl(value))
+                if (isIpAddress(uri.host)) {
+                    AppConfig.PRIVATE_IP_LIST.forEach {
+                        if (isIpInCidr(uri.host, it)) return true
+                    }
+                }
+            }
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to validate subscription URL", e)
        }
        return false
    }
@@ -509,7 +498,58 @@ object Utils {
     *
     * @return True if the package is Xray, false otherwise.
     */
-    fun isXray(): Boolean = (ANG_PACKAGE.startsWith("com.v2ray.ang"))
+    fun isXray(): Boolean = BuildConfig.APPLICATION_ID.startsWith("com.v2ray.ang")

+    /**
+     * Check if it is the Google Play version.
+     *
+     * @return True if the package is Google Play, false otherwise.
+     */
+    fun isGoogleFlavor(): Boolean = BuildConfig.FLAVOR == "playstore"
+
+    /**
+     * Converts an InetAddress to its long representation
+     *
+     * @param ip The InetAddress to convert
+     * @return The long representation of the IP address
+     */
+    private fun inetAddressToLong(ip: InetAddress): Long {
+        val bytes = ip.address
+        var result: Long = 0
+        for (i in bytes.indices) {
+            result = result shl 8 or (bytes[i].toInt() and 0xff).toLong()
+        }
+        return result
+    }
+
+    /**
+     * Check if an IP address is within a CIDR range
+     *
+     * @param ip The IP address to check
+     * @param cidr The CIDR notation range (e.g., "192.168.1.0/24")
+     * @return True if the IP is within the CIDR range, false otherwise
+     */
+    fun isIpInCidr(ip: String, cidr: String): Boolean {
+        try {
+            if (!isIpAddress(ip)) return false
+
+            // Parse CIDR (e.g., "192.168.1.0/24")
+            val (cidrIp, prefixLen) = cidr.split("/")
+            val prefixLength = prefixLen.toInt()
+
+            // Convert IP and CIDR's IP portion to Long
+            val ipLong = inetAddressToLong(InetAddress.getByName(ip))
+            val cidrIpLong = inetAddressToLong(InetAddress.getByName(cidrIp))
+
+            // Calculate subnet mask (e.g., /24 → 0xFFFFFF00)
+            val mask = if (prefixLength == 0) 0L else (-1L shl (32 - prefixLength))
+
+            // Check if they're in the same subnet
+            return (ipLong and mask) == (cidrIpLong and mask)
+        } catch (e: Exception) {
+            Log.e(AppConfig.TAG, "Failed to check if IP is in CIDR", e)
+            return false
+        }
+    }
 }

--- a/V2rayNG/app/src/main/java/com/v2ray/ang/util/ZipUtil.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/util/ZipUtil.kt
@@ -1,5 +1,7 @@
 package com.v2ray.ang.util

+import android.util.Log
+import com.v2ray.ang.AppConfig
 import java.io.BufferedOutputStream
 import java.io.File
 import java.io.FileInputStream
@@ -61,7 +63,7 @@ object ZipUtil {
            zos.closeEntry()
            zos.close()
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to zip folder", e)
            return false
        }
        return true
@@ -97,7 +99,7 @@ object ZipUtil {
                }
            }
        } catch (e: Exception) {
-            e.printStackTrace()
+            Log.e(AppConfig.TAG, "Failed to unzip file", e)
            return false
        }
        return true
--- a/V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/MainViewModel.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/MainViewModel.kt
@@ -13,12 +13,12 @@ import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.viewModelScope
 import com.v2ray.ang.AngApplication
 import com.v2ray.ang.AppConfig
-import com.v2ray.ang.AppConfig.ANG_PACKAGE
 import com.v2ray.ang.R
 import com.v2ray.ang.dto.ProfileItem
 import com.v2ray.ang.dto.ServersCache
 import com.v2ray.ang.extension.serializable
-import com.v2ray.ang.extension.toast
+import com.v2ray.ang.extension.toastError
+import com.v2ray.ang.extension.toastSuccess
 import com.v2ray.ang.handler.AngConfigManager
 import com.v2ray.ang.handler.MmkvManager
 import com.v2ray.ang.handler.SettingsManager
@@ -62,7 +62,7 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
        getApplication<AngApplication>().unregisterReceiver(mMsgReceiver)
        tcpingTestScope.coroutineContext[Job]?.cancelChildren()
        SpeedtestManager.closeAllTcpSockets()
-        Log.i(ANG_PACKAGE, "Main ViewModel is cleared")
+        Log.i(AppConfig.TAG, "Main ViewModel is cleared")
        super.onCleared()
    }

@@ -162,7 +162,7 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
                continue
            }

-            if (keywordFilter.isEmpty() || profile.remarks.contains(keywordFilter)) {
+            if (keywordFilter.isEmpty() || profile.remarks.lowercase().contains(keywordFilter.lowercase())) {
                serversCache.add(ServersCache(guid, profile))
            }
        }
@@ -419,12 +419,12 @@ class MainViewModel(application: Application) : AndroidViewModel(application) {
                }

                AppConfig.MSG_STATE_START_SUCCESS -> {
-                    getApplication<AngApplication>().toast(R.string.toast_services_success)
+                    getApplication<AngApplication>().toastSuccess(R.string.toast_services_success)
                    isRunning.value = true
                }

                AppConfig.MSG_STATE_START_FAILURE -> {
-                    getApplication<AngApplication>().toast(R.string.toast_services_failure)
+                    getApplication<AngApplication>().toastError(R.string.toast_services_failure)
                    isRunning.value = false
                }

--- a/V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/SettingsViewModel.kt
+++ b/V2rayNG/app/src/main/java/com/v2ray/ang/viewmodel/SettingsViewModel.kt
@@ -26,7 +26,7 @@ class SettingsViewModel(application: Application) : AndroidViewModel(application
    override fun onCleared() {
        PreferenceManager.getDefaultSharedPreferences(getApplication())
            .unregisterOnSharedPreferenceChangeListener(this)
-        Log.i(AppConfig.ANG_PACKAGE, "Settings ViewModel is cleared")
+        Log.i(AppConfig.TAG, "Settings ViewModel is cleared")
        super.onCleared()
    }

@@ -36,7 +36,7 @@ class SettingsViewModel(application: Application) : AndroidViewModel(application
     * @param key The key of the changed preference.
     */
    override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences, key: String?) {
-        Log.d(AppConfig.ANG_PACKAGE, "Observe settings changed: $key")
+        Log.i(AppConfig.TAG, "Observe settings changed: $key")
        when (key) {
            AppConfig.PREF_MODE,
            AppConfig.PREF_VPN_DNS,
@@ -73,6 +73,7 @@ class SettingsViewModel(application: Application) : AndroidViewModel(application
            AppConfig.PREF_BYPASS_APPS,
            AppConfig.PREF_CONFIRM_REMOVE,
            AppConfig.PREF_START_SCAN_IMMEDIATE,
+            AppConfig.PREF_DOUBLE_COLUMN_DISPLAY,
            AppConfig.SUBSCRIPTION_AUTO_UPDATE,
            AppConfig.PREF_FRAGMENT_ENABLED,
            AppConfig.PREF_MUX_ENABLED,
--- a/V2rayNG/app/src/main/res/drawable-night/ic_check_update_24dp.xml
+++ b/V2rayNG/app/src/main/res/drawable-night/ic_check_update_24dp.xml
@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M21,10.12h-6.78l2.74,-2.82c-2.73,-2.7 -7.15,-2.8 -9.88,-0.1c-2.73,2.71 -2.73,7.08 0,9.79s7.15,2.71 9.88,0C18.32,15.65 19,14.08 19,12.1h2c0,1.98 -0.88,4.55 -2.64,6.29c-3.51,3.48 -9.21,3.48 -12.72,0c-3.5,-3.47 -3.53,-9.11 -0.02,-12.58s9.14,-3.47 12.65,0L21,3V10.12zM12.5,8v4.25l3.5,2.08l-0.72,1.21L11,13V8H12.5z" />
+
+</vector>
--- a/V2rayNG/app/src/main/res/drawable-night/ic_file_24dp.xml
+++ b/V2rayNG/app/src/main/res/drawable-night/ic_file_24dp.xml
@@ -4,6 +4,6 @@
    android:viewportWidth="1024"
    android:viewportHeight="1024">
    <path
-        android:pathData="M537,85.3A85.3,85.3 0,0 1,597.3 110.3L828.3,341.3A85.3,85.3 0,0 1,853.3 401.7L853.3,810.7a128,128 0,0 1,-128 128L298.7,938.7a128,128 0,0 1,-128 -128L170.7,213.3a128,128 0,0 1,128 -128zM537,170.7L298.7,170.7a42.7,42.7 0,0 0,-42.7 42.7v597.3a42.7,42.7 0,0 0,42.7 42.7h426.7a42.7,42.7 0,0 0,42.7 -42.7L768,401.7L537,170.7zM512,384a42.7,42.7 0,0 1,42.4 37.7L554.7,426.7v85.3h85.3a42.7,42.7 0,0 1,5 85L640,597.3h-85.3v85.3a42.7,42.7 0,0 1,-85 5L469.3,682.7v-85.3L384,597.3a42.7,42.7 0,0 1,-5 -85L384,512h85.3v-85.3a42.7,42.7 0,0 1,42.7 -42.7z"
-        android:fillColor="#FFFFFFFF" />
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M537,85.3A85.3,85.3 0,0 1,597.3 110.3L828.3,341.3A85.3,85.3 0,0 1,853.3 401.7L853.3,810.7a128,128 0,0 1,-128 128L298.7,938.7a128,128 0,0 1,-128 -128L170.7,213.3a128,128 0,0 1,128 -128zM537,170.7L298.7,170.7a42.7,42.7 0,0 0,-42.7 42.7v597.3a42.7,42.7 0,0 0,42.7 42.7h426.7a42.7,42.7 0,0 0,42.7 -42.7L768,401.7L537,170.7zM512,384a42.7,42.7 0,0 1,42.4 37.7L554.7,426.7v85.3h85.3a42.7,42.7 0,0 1,5 85L640,597.3h-85.3v85.3a42.7,42.7 0,0 1,-85 5L469.3,682.7v-85.3L384,597.3a42.7,42.7 0,0 1,-5 -85L384,512h85.3v-85.3a42.7,42.7 0,0 1,42.7 -42.7z" />
 </vector>
--- a/V2rayNG/app/src/main/res/drawable-night/ic_logcat_24dp.xml
+++ b/V2rayNG/app/src/main/res/drawable-night/ic_logcat_24dp.xml
@@ -4,12 +4,12 @@
    android:viewportWidth="1024"
    android:viewportHeight="1024">
    <path
-        android:pathData="M273.2,212.8h583.7L856.9,906.2h-583.7L273.2,212.8zM344.9,284.5L344.9,834.6h440.3L785.2,284.5h-440.3z"
-        android:fillColor="#FFFFFFFF" />
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M273.2,212.8h583.7L856.9,906.2h-583.7L273.2,212.8zM344.9,284.5L344.9,834.6h440.3L785.2,284.5h-440.3z" />
    <path
-        android:pathData="M167.1,117.8h554.4v123.6h-71.7V189.4H238.8v498.8h73.9v71.7H167.1V117.8z"
-        android:fillColor="#FFFFFFFF" />
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M167.1,117.8h554.4v123.6h-71.7V189.4H238.8v498.8h73.9v71.7H167.1V117.8z" />
    <path
-        android:pathData="M674.8,504H455.3v-71.7h219.4v71.7zM674.8,650.2H455.3v-71.7h219.4v71.7z"
-        android:fillColor="#FFFFFFFF" />
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M674.8,504H455.3v-71.7h219.4v71.7zM674.8,650.2H455.3v-71.7h219.4v71.7z" />
 </vector>
--- a/V2rayNG/app/src/main/res/drawable-night/ic_more_vert_24dp.xml
+++ b/V2rayNG/app/src/main/res/drawable-night/ic_more_vert_24dp.xml
@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M12,8c1.1,0 2,-0.9 2,-2s-0.9,-2 -2,-2 -2,0.9 -2,2 0.9,2 2,2zM12,10c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2zM12,16c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2z" />
+
+</vector>
--- a/V2rayNG/app/src/main/res/drawable-night/ic_outline_filter_alt_24.xml
+++ b/V2rayNG/app/src/main/res/drawable-night/ic_outline_filter_alt_24.xml
@@ -1,9 +1,9 @@
-<vector android:height="24dp"
-    android:tint="#FFFFFF"
-    android:viewportHeight="24"
-    android:viewportWidth="24"
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
-    xmlns:android="http://schemas.android.com/apk/res/android">
+    android:height="24dp"
+    android:tint="#FFFFFF"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
    <path
        android:fillColor="@android:color/white"
        android:pathData="M7,6h10l-5.01,6.3L7,6zM4.25,5.61C6.27,8.2 10,13 10,13v6c0,0.55 0.45,1 1,1h2c0.55,0 1,-0.45 1,-1v-6c0,0 3.72,-4.8 5.74,-7.39C20.25,4.95 19.78,4 18.95,4H5.04C4.21,4 3.74,4.95 4.25,5.61z" />
--- a/V2rayNG/app/src/main/res/drawable-night/ic_promotion_24dp.xml
+++ b/V2rayNG/app/src/main/res/drawable-night/ic_promotion_24dp.xml
@@ -4,9 +4,9 @@
    android:viewportWidth="1024"
    android:viewportHeight="1024">
    <path
-        android:pathData="M723.9,312c-13.2,-13.2 -34.7,-13.2 -47.9,0 -6.6,6.6 -9.9,15.3 -9.9,23.9 0,8.7 3.3,17.3 9.9,23.9 65.9,65.9 80.9,165.5 37.3,247.8 -4.9,9.2 -10.5,18.2 -16.9,26.8 -6.4,8.7 -12.9,16.4 -20,23.3 -13.4,13.1 -13.7,34.5 -0.6,47.9 13.1,13.4 34.5,13.7 47.9,0.6 9.7,-9.5 18.9,-20.2 27.3,-31.6 8.3,-11.2 15.7,-23 22.2,-35.2 57.5,-108.7 37.7,-240.3 -49.3,-327.4zM507.6,470c-0.2,-0.2 -0.4,-0.3 -0.7,-0.5 -0.8,-0.3 -1.7,-0.1 -2.3,0.5 -0.2,0.2 -0.3,0.4 -0.5,0.7 -0.1,0.3 -0.2,0.5 -0.2,0.8 0,0.6 0.3,1.1 0.6,1.5 0.2,0.2 0.4,0.3 0.7,0.5 0.3,0.1 0.5,0.2 0.8,0.2 0.6,0 1.1,-0.3 1.5,-0.6 0.4,-0.4 0.6,-1 0.6,-1.5 0,-0.3 -0.1,-0.5 -0.2,-0.8 0,-0.4 -0.2,-0.6 -0.3,-0.8z"
-        android:fillColor="#FFFFFFFF" />
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M723.9,312c-13.2,-13.2 -34.7,-13.2 -47.9,0 -6.6,6.6 -9.9,15.3 -9.9,23.9 0,8.7 3.3,17.3 9.9,23.9 65.9,65.9 80.9,165.5 37.3,247.8 -4.9,9.2 -10.5,18.2 -16.9,26.8 -6.4,8.7 -12.9,16.4 -20,23.3 -13.4,13.1 -13.7,34.5 -0.6,47.9 13.1,13.4 34.5,13.7 47.9,0.6 9.7,-9.5 18.9,-20.2 27.3,-31.6 8.3,-11.2 15.7,-23 22.2,-35.2 57.5,-108.7 37.7,-240.3 -49.3,-327.4zM507.6,470c-0.2,-0.2 -0.4,-0.3 -0.7,-0.5 -0.8,-0.3 -1.7,-0.1 -2.3,0.5 -0.2,0.2 -0.3,0.4 -0.5,0.7 -0.1,0.3 -0.2,0.5 -0.2,0.8 0,0.6 0.3,1.1 0.6,1.5 0.2,0.2 0.4,0.3 0.7,0.5 0.3,0.1 0.5,0.2 0.8,0.2 0.6,0 1.1,-0.3 1.5,-0.6 0.4,-0.4 0.6,-1 0.6,-1.5 0,-0.3 -0.1,-0.5 -0.2,-0.8 0,-0.4 -0.2,-0.6 -0.3,-0.8z" />
    <path
-        android:pathData="M833.7,209.6c-13.2,-13.2 -34.5,-13.2 -47.6,0 -13.2,13.2 -13.2,34.5 0,47.6 122.3,122.3 140,314.4 42.1,456.6 -12.5,18.1 -26.5,35 -42.1,50.5 -6.6,6.6 -9.9,15.2 -9.9,23.8 0,8.6 3.3,17.2 9.9,23.8 13.2,13.2 34.5,13.2 47.6,0 18.4,-18.4 35.1,-38.5 49.9,-60C1000,583.1 979,355 833.7,209.6zM515.1,166.8c-48,-22.3 -102.9,-15.1 -143.4,19L176.6,349.9h-50.2c-31,0 -63.3,25.2 -63.3,56.3v209.4c0,31 32.2,56.3 63.3,56.3h50.2L371.7,836c24.9,21 55.4,31.8 86.2,31.8 19.3,0 38.7,-4.2 57.2,-12.8 48,-22.3 77.8,-69.1 77.8,-122L592.9,288.8c0,-52.9 -29.8,-99.6 -77.8,-122zM531.1,732.9c0,31.8 -17.2,52.9 -46.1,66.3 -28.9,13.4 -56.7,6.2 -81,-14.3L206.2,623.5c-4.9,-4.2 -11.2,-6.4 -17.6,-6.4h-60.2c-0.8,0 -1.5,-0.7 -1.5,-1.5L126.9,406.2c0,-0.8 0.7,-1.5 1.5,-1.5h60.2c6.5,0 12.7,-2.3 17.6,-6.4L412,237.7c24.4,-20.5 51.2,-24.7 80,-11.3 28.9,13.4 39.1,30.5 39.1,62.3v444.2z"
-        android:fillColor="#FFFFFFFF" />
+        android:fillColor="#FFFFFFFF"
+        android:pathData="M833.7,209.6c-13.2,-13.2 -34.5,-13.2 -47.6,0 -13.2,13.2 -13.2,34.5 0,47.6 122.3,122.3 140,314.4 42.1,456.6 -12.5,18.1 -26.5,35 -42.1,50.5 -6.6,6.6 -9.9,15.2 -9.9,23.8 0,8.6 3.3,17.2 9.9,23.8 13.2,13.2 34.5,13.2 47.6,0 18.4,-18.4 35.1,-38.5 49.9,-60C1000,583.1 979,355 833.7,209.6zM515.1,166.8c-48,-22.3 -102.9,-15.1 -143.4,19L176.6,349.9h-50.2c-31,0 -63.3,25.2 -63.3,56.3v209.4c0,31 32.2,56.3 63.3,56.3h50.2L371.7,836c24.9,21 55.4,31.8 86.2,31.8 19.3,0 38.7,-4.2 57.2,-12.8 48,-22.3 77.8,-69.1 77.8,-122L592.9,288.8c0,-52.9 -29.8,-99.6 -77.8,-122zM531.1,732.9c0,31.8 -17.2,52.9 -46.1,66.3 -28.9,13.4 -56.7,6.2 -81,-14.3L206.2,623.5c-4.9,-4.2 -11.2,-6.4 -17.6,-6.4h-60.2c-0.8,0 -1.5,-0.7 -1.5,-1.5L126.9,406.2c0,-0.8 0.7,-1.5 1.5,-1.5h60.2c6.5,0 12.7,-2.3 17.6,-6.4L412,237.7c24.4,-20.5 51.2,-24.7 80,-11.3 28.9,13.4 39.1,30.5 39.1,62.3v444.2z" />
 </vector>
--- a/V2rayNG/app/src/main/res/drawable-night/ic_select_all_24dp.xml
+++ b/V2rayNG/app/src/main/res/drawable-night/ic_select_all_24dp.xml
@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
    android:height="24dp"
-    android:viewportHeight="24.0"
    android:viewportWidth="24.0"
-    android:width="24dp">
+    android:viewportHeight="24.0">
    <path
        android:fillColor="#FFFFFF"
        android:pathData="M3,5h2L5,3c-1.1,0 -2,0.9 -2,2zM3,13h2v-2L3,11v2zM7,21h2v-2L7,19v2zM3,9h2L5,7L3,7v2zM13,3h-2v2h2L13,3zM19,3v2h2c0,-1.1 -0.9,-2 -2,-2zM5,21v-2L3,19c0,1.1 0.9,2 2,2zM3,17h2v-2L3,15v2zM9,3L7,3v2h2L9,3zM11,21h2v-2h-2v2zM19,13h2v-2h-2v2zM19,21c1.1,0 2,-0.9 2,-2h-2v2zM19,9h2L21,7h-2v2zM19,17h2v-2h-2v2zM15,21h2v-2h-2v2zM15,5h2L17,3h-2v2zM7,17h10L17,7L7,7v10zM9,9h6v6L9,15L9,9z" />
--- a/V2rayNG/app/src/main/res/drawable/ic_check_update_24dp.xml
+++ b/V2rayNG/app/src/main/res/drawable/ic_check_update_24dp.xml
@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+android:width="24dp"
+android:height="24dp"
+android:viewportWidth="24"
+android:viewportHeight="24">
+
+<path
+    android:fillColor="#FF000000"
+    android:pathData="M21,10.12h-6.78l2.74,-2.82c-2.73,-2.7 -7.15,-2.8 -9.88,-0.1c-2.73,2.71 -2.73,7.08 0,9.79s7.15,2.71 9.88,0C18.32,15.65 19,14.08 19,12.1h2c0,1.98 -0.88,4.55 -2.64,6.29c-3.51,3.48 -9.21,3.48 -12.72,0c-3.5,-3.47 -3.53,-9.11 -0.02,-12.58s9.14,-3.47 12.65,0L21,3V10.12zM12.5,8v4.25l3.5,2.08l-0.72,1.21L11,13V8H12.5z" />
+
+</vector>
--- a/V2rayNG/app/src/main/res/drawable/ic_circle.xml
+++ b/V2rayNG/app/src/main/res/drawable/ic_circle.xml
@@ -0,0 +1,7 @@
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="oval">
+    <solid android:color="@color/divider_color_light" />
+    <size
+        android:width="48dp"
+        android:height="48dp" />
+</shape>
--- a/V2rayNG/app/src/main/res/drawable/ic_file_24dp.xml
+++ b/V2rayNG/app/src/main/res/drawable/ic_file_24dp.xml
@@ -4,6 +4,6 @@
    android:viewportWidth="1024"
    android:viewportHeight="1024">
    <path
-        android:pathData="M537,85.3A85.3,85.3 0,0 1,597.3 110.3L828.3,341.3A85.3,85.3 0,0 1,853.3 401.7L853.3,810.7a128,128 0,0 1,-128 128L298.7,938.7a128,128 0,0 1,-128 -128L170.7,213.3a128,128 0,0 1,128 -128zM537,170.7L298.7,170.7a42.7,42.7 0,0 0,-42.7 42.7v597.3a42.7,42.7 0,0 0,42.7 42.7h426.7a42.7,42.7 0,0 0,42.7 -42.7L768,401.7L537,170.7zM512,384a42.7,42.7 0,0 1,42.4 37.7L554.7,426.7v85.3h85.3a42.7,42.7 0,0 1,5 85L640,597.3h-85.3v85.3a42.7,42.7 0,0 1,-85 5L469.3,682.7v-85.3L384,597.3a42.7,42.7 0,0 1,-5 -85L384,512h85.3v-85.3a42.7,42.7 0,0 1,42.7 -42.7z"
-        android:fillColor="#FF000000" />
+        android:fillColor="#FF000000"
+        android:pathData="M537,85.3A85.3,85.3 0,0 1,597.3 110.3L828.3,341.3A85.3,85.3 0,0 1,853.3 401.7L853.3,810.7a128,128 0,0 1,-128 128L298.7,938.7a128,128 0,0 1,-128 -128L170.7,213.3a128,128 0,0 1,128 -128zM537,170.7L298.7,170.7a42.7,42.7 0,0 0,-42.7 42.7v597.3a42.7,42.7 0,0 0,42.7 42.7h426.7a42.7,42.7 0,0 0,42.7 -42.7L768,401.7L537,170.7zM512,384a42.7,42.7 0,0 1,42.4 37.7L554.7,426.7v85.3h85.3a42.7,42.7 0,0 1,5 85L640,597.3h-85.3v85.3a42.7,42.7 0,0 1,-85 5L469.3,682.7v-85.3L384,597.3a42.7,42.7 0,0 1,-5 -85L384,512h85.3v-85.3a42.7,42.7 0,0 1,42.7 -42.7z" />
 </vector>
--- a/V2rayNG/app/src/main/res/drawable/ic_logcat_24dp.xml
+++ b/V2rayNG/app/src/main/res/drawable/ic_logcat_24dp.xml
@@ -4,12 +4,12 @@
    android:viewportWidth="1024"
    android:viewportHeight="1024">
    <path
-        android:pathData="M273.2,212.8h583.7L856.9,906.2h-583.7L273.2,212.8zM344.9,284.5L344.9,834.6h440.3L785.2,284.5h-440.3z"
-        android:fillColor="#FF000000" />
+        android:fillColor="#FF000000"
+        android:pathData="M273.2,212.8h583.7L856.9,906.2h-583.7L273.2,212.8zM344.9,284.5L344.9,834.6h440.3L785.2,284.5h-440.3z" />
    <path
-        android:pathData="M167.1,117.8h554.4v123.6h-71.7V189.4H238.8v498.8h73.9v71.7H167.1V117.8z"
-        android:fillColor="#FF000000" />
+        android:fillColor="#FF000000"
+        android:pathData="M167.1,117.8h554.4v123.6h-71.7V189.4H238.8v498.8h73.9v71.7H167.1V117.8z" />
    <path
-        android:pathData="M674.8,504H455.3v-71.7h219.4v71.7zM674.8,650.2H455.3v-71.7h219.4v71.7z"
-        android:fillColor="#FF000000" />
+        android:fillColor="#FF000000"
+        android:pathData="M674.8,504H455.3v-71.7h219.4v71.7zM674.8,650.2H455.3v-71.7h219.4v71.7z" />
 </vector>
--- a/V2rayNG/app/src/main/res/drawable/ic_more_vert_24dp.xml
+++ b/V2rayNG/app/src/main/res/drawable/ic_more_vert_24dp.xml
@@ -0,0 +1,11 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+
+    <path
+        android:fillColor="#FF000000"
+        android:pathData="M12,8c1.1,0 2,-0.9 2,-2s-0.9,-2 -2,-2 -2,0.9 -2,2 0.9,2 2,2zM12,10c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2zM12,16c-1.1,0 -2,0.9 -2,2s0.9,2 2,2 2,-0.9 2,-2 -0.9,-2 -2,-2z" />
+
+</vector>
--- a/V2rayNG/app/src/main/res/drawable/ic_outline_filter_alt_24.xml
+++ b/V2rayNG/app/src/main/res/drawable/ic_outline_filter_alt_24.xml
@@ -1,9 +1,9 @@
-<vector android:height="24dp"
-    android:tint="#000000"
-    android:viewportHeight="24"
-    android:viewportWidth="24"
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
-    xmlns:android="http://schemas.android.com/apk/res/android">
+    android:height="24dp"
+    android:tint="#000000"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
    <path
        android:fillColor="@android:color/white"
        android:pathData="M7,6h10l-5.01,6.3L7,6zM4.25,5.61C6.27,8.2 10,13 10,13v6c0,0.55 0.45,1 1,1h2c0.55,0 1,-0.45 1,-1v-6c0,0 3.72,-4.8 5.74,-7.39C20.25,4.95 19.78,4 18.95,4H5.04C4.21,4 3.74,4.95 4.25,5.61z" />
--- a/V2rayNG/app/src/main/res/drawable/ic_promotion_24dp.xml
+++ b/V2rayNG/app/src/main/res/drawable/ic_promotion_24dp.xml
@@ -4,9 +4,9 @@
    android:viewportWidth="1024"
    android:viewportHeight="1024">
    <path
-        android:pathData="M723.9,312c-13.2,-13.2 -34.7,-13.2 -47.9,0 -6.6,6.6 -9.9,15.3 -9.9,23.9 0,8.7 3.3,17.3 9.9,23.9 65.9,65.9 80.9,165.5 37.3,247.8 -4.9,9.2 -10.5,18.2 -16.9,26.8 -6.4,8.7 -12.9,16.4 -20,23.3 -13.4,13.1 -13.7,34.5 -0.6,47.9 13.1,13.4 34.5,13.7 47.9,0.6 9.7,-9.5 18.9,-20.2 27.3,-31.6 8.3,-11.2 15.7,-23 22.2,-35.2 57.5,-108.7 37.7,-240.3 -49.3,-327.4zM507.6,470c-0.2,-0.2 -0.4,-0.3 -0.7,-0.5 -0.8,-0.3 -1.7,-0.1 -2.3,0.5 -0.2,0.2 -0.3,0.4 -0.5,0.7 -0.1,0.3 -0.2,0.5 -0.2,0.8 0,0.6 0.3,1.1 0.6,1.5 0.2,0.2 0.4,0.3 0.7,0.5 0.3,0.1 0.5,0.2 0.8,0.2 0.6,0 1.1,-0.3 1.5,-0.6 0.4,-0.4 0.6,-1 0.6,-1.5 0,-0.3 -0.1,-0.5 -0.2,-0.8 0,-0.4 -0.2,-0.6 -0.3,-0.8z"
-        android:fillColor="#FF000000" />
+        android:fillColor="#FF000000"
+        android:pathData="M723.9,312c-13.2,-13.2 -34.7,-13.2 -47.9,0 -6.6,6.6 -9.9,15.3 -9.9,23.9 0,8.7 3.3,17.3 9.9,23.9 65.9,65.9 80.9,165.5 37.3,247.8 -4.9,9.2 -10.5,18.2 -16.9,26.8 -6.4,8.7 -12.9,16.4 -20,23.3 -13.4,13.1 -13.7,34.5 -0.6,47.9 13.1,13.4 34.5,13.7 47.9,0.6 9.7,-9.5 18.9,-20.2 27.3,-31.6 8.3,-11.2 15.7,-23 22.2,-35.2 57.5,-108.7 37.7,-240.3 -49.3,-327.4zM507.6,470c-0.2,-0.2 -0.4,-0.3 -0.7,-0.5 -0.8,-0.3 -1.7,-0.1 -2.3,0.5 -0.2,0.2 -0.3,0.4 -0.5,0.7 -0.1,0.3 -0.2,0.5 -0.2,0.8 0,0.6 0.3,1.1 0.6,1.5 0.2,0.2 0.4,0.3 0.7,0.5 0.3,0.1 0.5,0.2 0.8,0.2 0.6,0 1.1,-0.3 1.5,-0.6 0.4,-0.4 0.6,-1 0.6,-1.5 0,-0.3 -0.1,-0.5 -0.2,-0.8 0,-0.4 -0.2,-0.6 -0.3,-0.8z" />
    <path
-        android:pathData="M833.7,209.6c-13.2,-13.2 -34.5,-13.2 -47.6,0 -13.2,13.2 -13.2,34.5 0,47.6 122.3,122.3 140,314.4 42.1,456.6 -12.5,18.1 -26.5,35 -42.1,50.5 -6.6,6.6 -9.9,15.2 -9.9,23.8 0,8.6 3.3,17.2 9.9,23.8 13.2,13.2 34.5,13.2 47.6,0 18.4,-18.4 35.1,-38.5 49.9,-60C1000,583.1 979,355 833.7,209.6zM515.1,166.8c-48,-22.3 -102.9,-15.1 -143.4,19L176.6,349.9h-50.2c-31,0 -63.3,25.2 -63.3,56.3v209.4c0,31 32.2,56.3 63.3,56.3h50.2L371.7,836c24.9,21 55.4,31.8 86.2,31.8 19.3,0 38.7,-4.2 57.2,-12.8 48,-22.3 77.8,-69.1 77.8,-122L592.9,288.8c0,-52.9 -29.8,-99.6 -77.8,-122zM531.1,732.9c0,31.8 -17.2,52.9 -46.1,66.3 -28.9,13.4 -56.7,6.2 -81,-14.3L206.2,623.5c-4.9,-4.2 -11.2,-6.4 -17.6,-6.4h-60.2c-0.8,0 -1.5,-0.7 -1.5,-1.5L126.9,406.2c0,-0.8 0.7,-1.5 1.5,-1.5h60.2c6.5,0 12.7,-2.3 17.6,-6.4L412,237.7c24.4,-20.5 51.2,-24.7 80,-11.3 28.9,13.4 39.1,30.5 39.1,62.3v444.2z"
-        android:fillColor="#FF000000" />
+        android:fillColor="#FF000000"
+        android:pathData="M833.7,209.6c-13.2,-13.2 -34.5,-13.2 -47.6,0 -13.2,13.2 -13.2,34.5 0,47.6 122.3,122.3 140,314.4 42.1,456.6 -12.5,18.1 -26.5,35 -42.1,50.5 -6.6,6.6 -9.9,15.2 -9.9,23.8 0,8.6 3.3,17.2 9.9,23.8 13.2,13.2 34.5,13.2 47.6,0 18.4,-18.4 35.1,-38.5 49.9,-60C1000,583.1 979,355 833.7,209.6zM515.1,166.8c-48,-22.3 -102.9,-15.1 -143.4,19L176.6,349.9h-50.2c-31,0 -63.3,25.2 -63.3,56.3v209.4c0,31 32.2,56.3 63.3,56.3h50.2L371.7,836c24.9,21 55.4,31.8 86.2,31.8 19.3,0 38.7,-4.2 57.2,-12.8 48,-22.3 77.8,-69.1 77.8,-122L592.9,288.8c0,-52.9 -29.8,-99.6 -77.8,-122zM531.1,732.9c0,31.8 -17.2,52.9 -46.1,66.3 -28.9,13.4 -56.7,6.2 -81,-14.3L206.2,623.5c-4.9,-4.2 -11.2,-6.4 -17.6,-6.4h-60.2c-0.8,0 -1.5,-0.7 -1.5,-1.5L126.9,406.2c0,-0.8 0.7,-1.5 1.5,-1.5h60.2c6.5,0 12.7,-2.3 17.6,-6.4L412,237.7c24.4,-20.5 51.2,-24.7 80,-11.3 28.9,13.4 39.1,30.5 39.1,62.3v444.2z" />
 </vector>
--- a/V2rayNG/app/src/main/res/drawable/ic_qu_switch_24dp.xml
+++ b/V2rayNG/app/src/main/res/drawable/ic_qu_switch_24dp.xml
@@ -1,8 +1,8 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
-    android:viewportHeight="1024"
-    android:viewportWidth="1024">
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
    <path
        android:fillColor="#FFFFFFFF"
        android:pathData="M0,512C0,229.23 229.81,0 512,0 794.77,0 1024,229.81 1024,512 1024,794.77 794.19,1024 512,1024 229.23,1024 0,794.19 0,512Z" />
--- a/V2rayNG/app/src/main/res/drawable/ic_source_code_24dp.xml
+++ b/V2rayNG/app/src/main/res/drawable/ic_source_code_24dp.xml
@@ -1,8 +1,8 @@
-<vector android:height="24dp"
-    android:viewportHeight="1024"
-    android:viewportWidth="1024"
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
-    xmlns:android="http://schemas.android.com/apk/res/android">
+    android:height="24dp"
+    android:viewportWidth="1024"
+    android:viewportHeight="1024">
    <path
        android:fillColor="#FF000000"
        android:pathData="M469.2,802.1l-81.7,-24.6L554.8,221.9l81.7,24.6L469.2,802.1zM362.7,654.5l-124.7,-141.7 124.8,-143.5 -64.4,-56 -173.8,199.8 174,197.7 64.1,-56.3zM899.4,513.1l-173.8,-199.8 -64.4,56 124.8,143.5 -124.7,141.7 64.1,56.4 174,-197.7z" />
--- a/V2rayNG/app/src/main/res/drawable/license_24px.xml
+++ b/V2rayNG/app/src/main/res/drawable/license_24px.xml
@@ -1,10 +1,10 @@
 <vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
+    android:tint="?attr/colorControlNormal"
    android:viewportWidth="960"
-    android:viewportHeight="960"
-    android:tint="?attr/colorControlNormal">
-  <path
-      android:fillColor="@android:color/white"
-      android:pathData="M480,520Q430,520 395,485Q360,450 360,400Q360,350 395,315Q430,280 480,280Q530,280 565,315Q600,350 600,400Q600,450 565,485Q530,520 480,520ZM240,920L240,611Q202,569 181,515Q160,461 160,400Q160,266 253,173Q346,80 480,80Q614,80 707,173Q800,266 800,400Q800,461 779,515Q758,569 720,611L720,920L480,840L240,920ZM480,640Q580,640 650,570Q720,500 720,400Q720,300 650,230Q580,160 480,160Q380,160 310,230Q240,300 240,400Q240,500 310,570Q380,640 480,640ZM320,801L480,760L640,801L640,677Q605,697 564.5,708.5Q524,720 480,720Q436,720 395.5,708.5Q355,697 320,677L320,801ZM480,739L480,739Q480,739 480,739Q480,739 480,739Q480,739 480,739Q480,739 480,739L480,739L480,739Z"/>
+    android:viewportHeight="960">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M480,520Q430,520 395,485Q360,450 360,400Q360,350 395,315Q430,280 480,280Q530,280 565,315Q600,350 600,400Q600,450 565,485Q530,520 480,520ZM240,920L240,611Q202,569 181,515Q160,461 160,400Q160,266 253,173Q346,80 480,80Q614,80 707,173Q800,266 800,400Q800,461 779,515Q758,569 720,611L720,920L480,840L240,920ZM480,640Q580,640 650,570Q720,500 720,400Q720,300 650,230Q580,160 480,160Q380,160 310,230Q240,300 240,400Q240,500 310,570Q380,640 480,640ZM320,801L480,760L640,801L640,677Q605,697 564.5,708.5Q524,720 480,720Q436,720 395.5,708.5Q355,697 320,677L320,801ZM480,739L480,739Q480,739 480,739Q480,739 480,739Q480,739 480,739Q480,739 480,739L480,739L480,739Z" />
 </vector>
--- a/V2rayNG/app/src/main/res/layout/activity_about.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_about.xml
@@ -1,7 +1,8 @@
 <?xml version="1.0" encoding="utf-8"?>
 <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
-    android:layout_height="match_parent">
+    android:layout_height="match_parent"
+    android:fitsSystemWindows="true">

    <LinearLayout xmlns:app="http://schemas.android.com/apk/res-auto"
        android:layout_width="match_parent"
@@ -57,7 +58,7 @@
            <LinearLayout
                android:id="@+id/layout_share"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp72"
+                android:layout_height="wrap_content"
                android:background="?attr/selectableItemBackground"
                android:clickable="true"
                android:focusable="true"
@@ -81,7 +82,7 @@
            <LinearLayout
                android:id="@+id/layout_restore"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp72"
+                android:layout_height="wrap_content"
                android:background="?attr/selectableItemBackground"
                android:clickable="true"
                android:focusable="true"
@@ -110,10 +111,53 @@
            android:orientation="vertical"
            android:paddingTop="@dimen/padding_spacing_dp16">

+            <LinearLayout
+                android:id="@+id/layout_check_update"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:background="?attr/selectableItemBackground"
+                android:clickable="true"
+                android:focusable="true"
+                android:gravity="center|start"
+                android:orientation="horizontal"
+                android:padding="@dimen/padding_spacing_dp16">
+
+                <ImageView
+                    android:layout_width="@dimen/image_size_dp24"
+                    android:layout_height="@dimen/image_size_dp24"
+                    app:srcCompat="@drawable/ic_check_update_24dp" />
+
+                <LinearLayout
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:orientation="vertical"
+                    android:paddingStart="@dimen/padding_spacing_dp16">
+
+                    <TextView
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="@string/update_check_for_update"
+                        android:textAppearance="@style/TextAppearance.AppCompat.Subhead" />
+
+                    <androidx.appcompat.widget.SwitchCompat
+                        android:id="@+id/check_pre_release"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:layout_marginTop="@dimen/padding_spacing_dp16"
+                        android:maxLines="1"
+                        android:text="@string/update_check_pre_release"
+                        android:textAppearance="@style/TextAppearance.AppCompat.Small"
+                        android:textColor="@color/colorAccent"
+                        app:theme="@style/BrandedSwitch" />
+
+                </LinearLayout>
+
+            </LinearLayout>
+
            <LinearLayout
                android:id="@+id/layout_soure_ccode"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp72"
+                android:layout_height="wrap_content"
                android:background="?attr/selectableItemBackground"
                android:clickable="true"
                android:focusable="true"
@@ -137,7 +181,7 @@
            <LinearLayout
                android:id="@+id/layout_oss_licenses"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp72"
+                android:layout_height="wrap_content"
                android:background="?attr/selectableItemBackground"
                android:clickable="true"
                android:focusable="true"
@@ -161,7 +205,7 @@
            <LinearLayout
                android:id="@+id/layout_feedback"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp72"
+                android:layout_height="wrap_content"
                android:background="?attr/selectableItemBackground"
                android:clickable="true"
                android:focusable="true"
@@ -186,7 +230,7 @@
            <LinearLayout
                android:id="@+id/layout_tg_channel"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp72"
+                android:layout_height="wrap_content"
                android:background="?attr/selectableItemBackground"
                android:clickable="true"
                android:focusable="true"
@@ -210,7 +254,7 @@
            <LinearLayout
                android:id="@+id/layout_privacy_policy"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp72"
+                android:layout_height="wrap_content"
                android:background="?attr/selectableItemBackground"
                android:clickable="true"
                android:focusable="true"
@@ -233,7 +277,7 @@

            <LinearLayout
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp72"
+                android:layout_height="wrap_content"
                android:gravity="center"
                android:orientation="horizontal"
                android:padding="@dimen/padding_spacing_dp16">
--- a/V2rayNG/app/src/main/res/layout/activity_bypass_list.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_bypass_list.xml
@@ -4,7 +4,9 @@
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
-    android:orientation="vertical">
+    android:fitsSystemWindows="true"
+    android:orientation="vertical"
+    tools:context=".ui.PerAppProxyActivity">

    <com.google.android.material.progressindicator.LinearProgressIndicator
        android:id="@+id/pb_waiting"
@@ -19,8 +21,7 @@
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical"
-        android:paddingStart="@dimen/padding_spacing_dp16"
-        android:paddingEnd="@dimen/padding_spacing_dp16">
+        android:padding="@dimen/padding_spacing_dp16">

        <LinearLayout
            android:layout_width="match_parent"
@@ -29,7 +30,7 @@

            <LinearLayout
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp64"
+                android:layout_height="wrap_content"
                android:orientation="horizontal">

                <LinearLayout
@@ -71,6 +72,23 @@
                        android:textColor="@color/colorAccent"
                        app:theme="@style/BrandedSwitch" />

+                    <LinearLayout
+                        android:id="@+id/layout_switch_bypass_apps_tips"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:background="?attr/selectableItemBackgroundBorderless"
+                        android:clickable="true"
+                        android:focusable="true"
+                        android:gravity="center"
+                        android:padding="@dimen/padding_spacing_dp8">
+
+                        <ImageView
+                            android:layout_width="@dimen/image_size_dp24"
+                            android:layout_height="@dimen/image_size_dp24"
+                            app:srcCompat="@drawable/ic_about_24dp" />
+
+                    </LinearLayout>
+
                </LinearLayout>
            </LinearLayout>

@@ -83,7 +101,6 @@
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scrollbars="vertical"
-        app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager"
-        tools:context=".ui.PerAppProxyActivity" />
+        app:layoutManager="androidx.recyclerview.widget.GridLayoutManager" />

 </LinearLayout>
--- a/V2rayNG/app/src/main/res/layout/activity_logcat.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_logcat.xml
@@ -4,6 +4,7 @@
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
    tools:context=".ui.LogcatActivity">

    <androidx.swiperefreshlayout.widget.SwipeRefreshLayout
@@ -13,9 +14,9 @@

        <androidx.recyclerview.widget.RecyclerView
            android:id="@+id/recycler_view"
-            android:scrollbars="vertical"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
+            android:scrollbars="vertical"
            app:layoutManager="androidx.recyclerview.widget.LinearLayoutManager" />

    </androidx.swiperefreshlayout.widget.SwipeRefreshLayout>
--- a/V2rayNG/app/src/main/res/layout/activity_main.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_main.xml
@@ -47,34 +47,40 @@
                    <com.google.android.material.tabs.TabLayout
                        android:id="@+id/tab_group"
                        android:layout_width="match_parent"
-                        android:layout_height="@dimen/view_height_dp64"
+                        android:layout_height="wrap_content"
+                        android:padding="@dimen/padding_spacing_dp8"
                        app:tabIndicatorFullWidth="false"
                        app:tabMode="scrollable"
                        app:tabTextAppearance="@style/TabLayoutTextStyle" />

                    <androidx.recyclerview.widget.RecyclerView
                        android:id="@+id/recycler_view"
-                        android:scrollbars="vertical"
                        android:layout_width="match_parent"
                        android:layout_height="0dp"
                        android:layout_weight="1"
-                        android:nextFocusRight="@+id/fab" />
+                        android:nextFocusRight="@+id/fab"
+                        android:scrollbars="vertical" />

                    <LinearLayout
                        android:id="@+id/layout_test"
                        android:layout_width="match_parent"
                        android:layout_height="@dimen/view_height_dp64"
-                        android:background="@color/colorPrimary"
                        android:clickable="true"
                        android:focusable="true"
-                        android:gravity="center|start"
                        android:nextFocusLeft="@+id/recycler_view"
-                        android:nextFocusRight="@+id/fab">
+                        android:nextFocusRight="@+id/fab"
+                        android:orientation="vertical">
+
+                        <View
+                            android:layout_width="wrap_content"
+                            android:layout_height="1dp"
+                            android:background="@color/divider_color_light" />

                        <TextView
                            android:id="@+id/tv_test_state"
                            android:layout_width="wrap_content"
-                            android:layout_height="wrap_content"
+                            android:layout_height="match_parent"
+                            android:gravity="start|center"
                            android:maxLines="2"
                            android:minLines="1"
                            android:paddingStart="@dimen/padding_spacing_dp16"
@@ -85,24 +91,21 @@
                </LinearLayout>

                <FrameLayout
-                    android:id="@+id/fabProgressCircle"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_gravity="bottom|end"
-                    android:layout_marginBottom="@dimen/padding_spacing_dp16">
+                    android:layout_marginEnd="@dimen/padding_spacing_dp16">

                    <com.google.android.material.floatingactionbutton.FloatingActionButton
                        android:id="@+id/fab"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
-                        android:layout_alignParentEnd="true"
-                        android:layout_alignParentBottom="true"
                        android:layout_gravity="bottom|end"
-                        android:layout_margin="@dimen/padding_spacing_dp16"
+                        android:layout_marginBottom="@dimen/view_height_dp36"
                        android:clickable="true"
                        android:focusable="true"
                        android:nextFocusLeft="@+id/layout_test"
-                        android:src="@drawable/ic_stat_name"
+                        android:src="@drawable/ic_play_24dp"
                        app:layout_anchorGravity="bottom|right|end" />

                </FrameLayout>
--- a/V2rayNG/app/src/main/res/layout/activity_routing_edit.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_routing_edit.xml
@@ -1,10 +1,11 @@
 <?xml version="1.0" encoding="utf-8"?>
 <ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
-    xmlns:app="http://schemas.android.com/apk/res-auto"
-    tools:context=".ui.SubSettingActivity">
+    android:fitsSystemWindows="true"
+    tools:context=".ui.RoutingEditActivity">

    <LinearLayout
        android:layout_width="match_parent"
@@ -31,7 +32,7 @@
                <EditText
                    android:id="@+id/et_remarks"
                    android:layout_width="match_parent"
-                    android:layout_height="@dimen/view_height_dp48"
+                    android:layout_height="wrap_content"
                    android:inputType="text" />
            </LinearLayout>

@@ -117,7 +118,7 @@
                <EditText
                    android:id="@+id/et_port"
                    android:layout_width="match_parent"
-                    android:layout_height="@dimen/view_height_dp48"
+                    android:layout_height="wrap_content"
                    android:inputType="text" />
            </LinearLayout>

@@ -135,7 +136,7 @@
                <EditText
                    android:id="@+id/et_protocol"
                    android:layout_width="match_parent"
-                    android:layout_height="@dimen/view_height_dp48"
+                    android:layout_height="wrap_content"
                    android:hint="@string/routing_settings_protocol_tip"
                    android:inputType="text" />
            </LinearLayout>
@@ -154,7 +155,7 @@
                <EditText
                    android:id="@+id/et_network"
                    android:layout_width="match_parent"
-                    android:layout_height="@dimen/view_height_dp48"
+                    android:layout_height="wrap_content"
                    android:hint="@string/routing_settings_network_tip"
                    android:inputType="text" />
            </LinearLayout>
@@ -173,7 +174,9 @@
                <Spinner
                    android:id="@+id/sp_outbound_tag"
                    android:layout_width="match_parent"
-                    android:layout_height="@dimen/view_height_dp48"
+                    android:layout_height="wrap_content"
+                    android:layout_marginTop="@dimen/padding_spacing_dp8"
+                    android:layout_marginBottom="@dimen/padding_spacing_dp8"
                    android:entries="@array/outbound_tag" />
            </LinearLayout>

--- a/V2rayNG/app/src/main/res/layout/activity_routing_setting.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_routing_setting.xml
@@ -4,6 +4,7 @@
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
    tools:context=".ui.RoutingSettingActivity">

    <androidx.core.widget.NestedScrollView
@@ -17,28 +18,35 @@
            android:orientation="vertical">

            <LinearLayout
+                android:id="@+id/layout_domain_strategy"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
-                android:layout_margin="@dimen/padding_spacing_dp8"
-                android:orientation="vertical">
+                android:background="?attr/selectableItemBackground"
+                android:clickable="true"
+                android:focusable="true"
+                android:gravity="center|start"
+                android:orientation="vertical"
+                android:padding="@dimen/padding_spacing_dp16">

                <TextView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
-                    android:text="@string/routing_settings_domain_strategy" />
+                    android:text="@string/routing_settings_domain_strategy"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Subhead" />

-                <Spinner
-                    android:id="@+id/sp_domain_strategy"
-                    android:layout_width="match_parent"
+                <TextView
+                    android:id="@+id/tv_domain_strategy_summary"
+                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
-                    android:paddingTop="@dimen/padding_spacing_dp8"
-                    android:entries="@array/routing_domain_strategy" />
+                    android:layout_marginTop="@dimen/padding_spacing_dp8"
+                    android:maxLines="1"
+                    android:textAppearance="@style/TextAppearance.AppCompat.Small" />
            </LinearLayout>

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
-                android:layout_margin="@dimen/padding_spacing_dp8"
+                android:layout_margin="@dimen/padding_spacing_dp16"
                android:orientation="vertical">

                <TextView
--- a/V2rayNG/app/src/main/res/layout/activity_server_custom_config.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_server_custom_config.xml
@@ -3,6 +3,7 @@
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
    tools:context=".ui.ServerCustomConfigActivity">

    <LinearLayout
@@ -51,7 +52,7 @@
            <EditText
                android:id="@+id/et_remarks"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp48"
+                android:layout_height="wrap_content"
                android:inputType="text" />

        </LinearLayout>
--- a/V2rayNG/app/src/main/res/layout/activity_server_hysteria2.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_server_hysteria2.xml
@@ -3,6 +3,7 @@
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
    tools:context=".ui.ServerActivity">

    <LinearLayout
@@ -27,7 +28,7 @@
            <EditText
                android:id="@+id/et_id"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp48"
+                android:layout_height="wrap_content"
                android:inputType="text" />

        </LinearLayout>
@@ -46,7 +47,7 @@
            <EditText
                android:id="@+id/et_obfs_password"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp48"
+                android:layout_height="wrap_content"
                android:inputType="text" />

        </LinearLayout>
@@ -65,7 +66,7 @@
            <EditText
                android:id="@+id/et_port_hop"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp48"
+                android:layout_height="wrap_content"
                android:inputType="text" />

        </LinearLayout>
@@ -84,7 +85,7 @@
            <EditText
                android:id="@+id/et_port_hop_interval"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp48"
+                android:layout_height="wrap_content"
                android:inputType="number" />

        </LinearLayout>
@@ -103,7 +104,7 @@
            <EditText
                android:id="@+id/et_bandwidth_down"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp48"
+                android:layout_height="wrap_content"
                android:inputType="text" />

        </LinearLayout>
@@ -122,7 +123,7 @@
            <EditText
                android:id="@+id/et_bandwidth_up"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp48"
+                android:layout_height="wrap_content"
                android:inputType="text" />

        </LinearLayout>
--- a/V2rayNG/app/src/main/res/layout/activity_server_shadowsocks.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_server_shadowsocks.xml
@@ -3,6 +3,7 @@
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
    tools:context=".ui.ServerActivity">

    <LinearLayout
@@ -27,7 +28,7 @@
            <EditText
                android:id="@+id/et_id"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp48"
+                android:layout_height="wrap_content"
                android:inputType="text" />

        </LinearLayout>
@@ -47,7 +48,9 @@
            <Spinner
                android:id="@+id/sp_security"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp48"
+                android:layout_height="wrap_content"
+                android:layout_marginTop="@dimen/padding_spacing_dp8"
+                android:layout_marginBottom="@dimen/padding_spacing_dp8"
                android:entries="@array/ss_securitys" />
        </LinearLayout>

--- a/V2rayNG/app/src/main/res/layout/activity_server_socks.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_server_socks.xml
@@ -3,6 +3,7 @@
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
    tools:context=".ui.ServerActivity">

    <LinearLayout
@@ -28,7 +29,7 @@
            <EditText
                android:id="@+id/et_security"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp48"
+                android:layout_height="wrap_content"
                android:inputType="text" />

        </LinearLayout>
@@ -47,7 +48,7 @@
            <EditText
                android:id="@+id/et_id"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp48"
+                android:layout_height="wrap_content"
                android:inputType="text" />

        </LinearLayout>
--- a/V2rayNG/app/src/main/res/layout/activity_server_trojan.xml
+++ b/V2rayNG/app/src/main/res/layout/activity_server_trojan.xml
@@ -3,6 +3,7 @@
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
    tools:context=".ui.ServerActivity">

    <LinearLayout
@@ -27,7 +28,7 @@
            <EditText
                android:id="@+id/et_id"
                android:layout_width="match_parent"
-                android:layout_height="@dimen/view_height_dp48"
+                android:layout_height="wrap_content"
                android:inputType="text" />

        </LinearLayout>
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
2dust	5b9f24c1f0	up 1.9.46	2025-04-09 14:41:11 +08:00
2dust	c47c2c3666	Code clean	2025-04-09 14:35:05 +08:00
2dust	49f7c3e7d7	Added tips for per app proxy	2025-04-09 14:34:27 +08:00
2dust	423e5de2c6	Fix https://github.com/2dust/v2rayNG/issues/4473	2025-04-09 11:55:43 +08:00
kore kas nadar	3e3387e63e	Update Luri Bakhtiari translation (#4477 )	2025-04-09 10:50:47 +08:00
solokot	debddace8b	Update Russian translation (#4476 )	2025-04-09 10:50:33 +08:00
Pk-web6936	160b412e0a	Update Persian translate (#4475 )	2025-04-09 10:50:23 +08:00
2dust	0f3e0a0ea2	Optimize and improve RoutingSettingActivity	2025-04-09 10:47:35 +08:00
2dust	c4cf90e807	Optimize and improve UserAssetActivity	2025-04-09 10:46:21 +08:00
2dust	5db46e81b7	Bug fix https://github.com/2dust/v2rayNG/issues/4474	2025-04-09 10:08:56 +08:00
2dust	1ef80a3a96	Refactor AppConfig const	2025-04-08 21:05:34 +08:00
2dust	a46d9d0d2a	Fix tools:context	2025-04-08 21:03:29 +08:00
2dust	7b80536e1e	Added GEO files sources settings in asset settings https://github.com/2dust/v2rayNG/issues/4440	2025-04-08 19:31:26 +08:00
2dust	5733ecf20e	Add some unit test	2025-04-07 17:06:29 +08:00
ᡠᠵᡠᡳ ᡠᠵᡠ ᠮᠠᠨᡩ᠋ᠠᠨ	eae33b61cf	Restoring some IP ranges removed in `b4c833b` (#4469 )	2025-04-07 16:55:59 +08:00
2dust	9e55b525f1	Bug fix https://github.com/2dust/v2rayNG/issues/4468	2025-04-07 16:15:06 +08:00
2dust	678b3cb505	Allow private IP to use HTTP protocol https://github.com/2dust/v2rayNG/issues/4460	2025-04-07 16:00:56 +08:00
2dust	b4c833b039	Refactoring of private IP lists	2025-04-06 19:42:01 +08:00
2dust	597bd021b8	Bug fix	2025-04-06 14:22:47 +08:00
2dust	ba03118a43	Code clean	2025-04-06 14:22:30 +08:00
kore kas nadar	82148408b0	Improved Luri Bakhtiari Translation (#4465 ) * Improved Luri Bakhtiari Translation * Improved Luri Bakhtiari Translation	2025-04-06 14:09:49 +08:00
kore kas nadar	042900e065	Update Luri Bakhtiari translation (#4463 )	2025-04-06 10:19:20 +08:00
kore kas nadar	874fccc351	Update Luri Bakhtiari translation (#4455 )	2025-04-04 10:35:39 +08:00
2dust	14f36872e7	If it is the Google Play version, the update check will not be displayed within 2 days after update.	2025-04-03 17:30:29 +08:00
solokot	3b6ad3052a	Update Russian translation (#4451 )	2025-04-03 15:39:55 +08:00
Pk-web6936	194fc6b6ed	Update Persian Translation (#4449 ) * Update Persian Translation * Update strings.xml * Update strings.xml	2025-04-03 15:39:47 +08:00
Pk-web6936	0275ad54ac	Delete Unnecessary () around expression (#4447 ) * Delete Unnecessary () around expression Delete Unnecessary () around expression * Delete Unnecessary () around expression Delete Unnecessary () around expression * Delete Unnecessary () around expression Delete Unnecessary () around expression * Delete Unnecessary () around expression Delete Unnecessary () around expression * Delete Unnecessary () around expression Delete Unnecessary () around expression * Delete Unnecessary () around expression Delete Unnecessary () around expression * Delete Unnecessary () around expression Delete Unnecessary () around expression	2025-04-03 10:20:59 +08:00
2dust	7ca4044467	Added check for updates	2025-04-01 17:24:59 +08:00
2dust	1672494ee9	1.9.45	2025-04-01 10:26:59 +08:00
2dust	bbbbc72d22	Update AndroidLibXrayLite	2025-04-01 10:26:45 +08:00
2dust	1e7f49b756	up 1.9.44	2025-03-30 19:14:55 +08:00
2dust	ac4c0f7ee1	Optimize and improve Log	2025-03-30 19:05:35 +08:00
2dust	6cc91b1a89	Optimize and improve log Use Log.e() instead of e.printStackTrace()	2025-03-30 17:40:36 +08:00
2dust	45facff41d	Optimize and improve Utils	2025-03-30 16:28:14 +08:00
2dust	ee703e6c95	Remove ads rules from default routing rules	2025-03-30 11:18:39 +08:00
hhhkkmk	87213c34a6	Revert "Optimization (#4426 )" (#4437 ) This reverts commit `d111328541`.	2025-03-29 18:06:09 +08:00
solokot	73a7c76183	Update Russian translation (#4435 )	2025-03-29 18:05:43 +08:00
Pk-web6936	ed5282f2b3	Update dependencies (#4432 ) * Update libs.versions.toml Update agp * Update validate-fastlane-supply-metadata Update validate-fastlane-supply-metadata	2025-03-29 10:47:09 +08:00
Pk-web6936	390c657047	Switch to Loyalsoldier's v2ray-rules-dat (#4431 ) https://github.com/2dust/AndroidLibXrayLite/pull/132/files	2025-03-29 10:46:49 +08:00
Pk-web6936	7071072862	Fix Arabic Language (#4430 ) * Fix Arabic Language * Fix Arabic Language Fix Arabic Language	2025-03-29 10:46:29 +08:00
Pk-web6936	d111328541	Optimization (#4426 ) * Optimization Add security flags to CFLAGS and LDFLAGS. Use local variables instead of global variables. Clean up and simplify the script. * Optimizition Add security flags to CFLAGS and LDFLAGS. Simplify and organize the file. Makefile * Optimization Add security flags to CFLAGS and LDFLAGS. Use local variables instead of global variables. Clean up and simplify the script. * Optimization	2025-03-29 10:44:21 +08:00
Pk-web6936	76cb2aaf46	Update Persian translate (#4424 )	2025-03-29 10:44:03 +08:00
2dust	7ff1397163	Optimize the test true delay function When testing, remove unnecessary configurations such as dns and routing to reduce resource usage, except for custom configurations.	2025-03-29 10:43:25 +08:00
2dust	bcf5d49a3d	up 1.9.43	2025-03-28 16:20:12 +08:00
2dust	4fffb17283	Added user asset file settings in the drawer menu	2025-03-28 15:08:52 +08:00
2dust	83b8bdfdf4	Optimize UI	2025-03-28 15:07:24 +08:00
2dust	cc1538a24d	Code clean	2025-03-28 11:02:45 +08:00
2dust	eb19199d18	Update .gitignore	2025-03-28 10:56:59 +08:00
Pk-web6936	441e5ef8d5	Consolidate and Optimize .gitignore Files (#4421 ) * Delete .gitignore * Delete V2rayNG/.gitignore * Delete V2rayNG/app/.gitignore * Create .gitignore * Add New .gitignore	2025-03-28 09:24:22 +08:00
2dust	d768774aad	Optimize and improve toast Migrate from https://github.com/PureWriter/ToastCompat to https://github.com/GrenderG/Toasty	2025-03-27 17:43:58 +08:00
2dust	c3d83907a5	Optimize and improve	2025-03-27 13:46:35 +08:00
solokot	b52a98ae5e	Update Russian translation (#4416 )	2025-03-27 09:12:52 +08:00
Pk-web6936	a70e4089e3	Update Persian translate (#4415 )	2025-03-27 09:12:41 +08:00
2dust	397989769c	up 1.9.42	2025-03-26 18:54:42 +08:00
2dust	796676abdc	Enable double column display The profile list is displayed in double columns, allowing more content to be displayed on the screen. You need to restart the application to take effect.	2025-03-26 18:48:14 +08:00
2dust	3c93ccb86c	Optimize and improve	2025-03-25 20:26:28 +08:00
2dust	fc8c74184a	Optimize and improve for toast	2025-03-25 17:44:30 +08:00
solokot	1939e6b5cf	Optimize Russian translation (#4411 )	2025-03-25 17:05:12 +08:00
2dust	1c2ac9385d	Fix https://github.com/2dust/v2rayNG/issues/4410	2025-03-25 10:49:07 +08:00
2dust	7513f1fe07	Optimize and improve	2025-03-25 10:44:06 +08:00
2dust	63e2c02daa	Fix https://github.com/2dust/v2rayNG/issues/4408	2025-03-24 20:17:49 +08:00
2dust	fec76385e1	Bug fix https://github.com/2dust/v2rayNG/issues/4409	2025-03-24 20:17:05 +08:00
2dust	bf21428746	up 1.9.41	2025-03-24 15:45:56 +08:00
2dust	01ab8dad17	Optimize and improve removeWhiteSpace	2025-03-24 15:44:08 +08:00
2dust	8974f73841	Fix https://github.com/2dust/v2rayNG/issues/4407	2025-03-24 14:43:07 +08:00
Pk-web6936	d3a2a2413c	Update Persian translate (#4404 ) * Update Persian translate * Update strings.xml * Update strings.xml * Update strings.xml * Update strings.xml * Update strings.xml	2025-03-24 10:50:13 +08:00
2dust	9b52863270	Bug fix https://github.com/2dust/v2rayNG/issues/4405	2025-03-24 10:34:59 +08:00
2dust	733914a7a7	Add colorPrimaryDark to theme	2025-03-23 19:25:20 +08:00