temporary fix

Return `missing default interface` immediately instead of suspending
inside `DefaultNetworkMonitor.require()` when no default network is
available.

app/src/github/java/io/nekohasekai/sfa/vendor/ApkDownloader.kt

@@ -1,6 +1,8 @@
 package io.nekohasekai.sfa.vendor
 
+import io.nekohasekai.libbox.HTTPResponseWriteToProgressHandler
 import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.libbox.writeToWithProgress
 import io.nekohasekai.sfa.Application
 import io.nekohasekai.sfa.update.UpdateState
 import io.nekohasekai.sfa.utils.HTTPClient
@@ -27,7 +29,15 @@ class ApkDownloader : Closeable {
         request.setURL(url)
 
         val response = request.execute()
-        response.writeTo(apkFile.absolutePath)
+        response.writeToWithProgress(
+            apkFile.absolutePath,
+            object : HTTPResponseWriteToProgressHandler {
+                override fun update(progress: Long, total: Long) {
+                    UpdateState.downloadProgress.value =
+                        if (total > 0) progress.toFloat() / total.toFloat() else null
+                }
+            },
+        )
 
         if (!apkFile.exists() || apkFile.length() == 0L) {
             throw Exception("Download failed: empty file")

app/src/github/java/io/nekohasekai/sfa/vendor/GitHubUpdateChecker.kt

@@ -86,9 +86,7 @@ class GitHubUpdateChecker : Closeable {
         }
     }
 
-    private fun isNewerThanCurrent(versionName: String): Boolean {
-        return Libbox.compareSemver(versionName, BuildConfig.VERSION_NAME)
-    }
+    private fun isNewerThanCurrent(versionName: String): Boolean = Libbox.compareSemver(versionName, BuildConfig.VERSION_NAME)
 
     private fun isBetterVersion(version: VersionMetadata, other: VersionMetadata): Boolean {
         if (Libbox.compareSemver(version.versionName, other.versionName)) {

app/src/github/java/io/nekohasekai/sfa/vendor/UpdateWorker.kt

@@ -11,8 +11,10 @@ import androidx.work.PeriodicWorkRequestBuilder
 import androidx.work.WorkManager
 import androidx.work.WorkerParameters
 import io.nekohasekai.sfa.database.Settings
+import io.nekohasekai.sfa.update.UpdateSource
 import io.nekohasekai.sfa.update.UpdateState
 import io.nekohasekai.sfa.update.UpdateTrack
+import io.nekohasekai.sfa.update.checkFDroidUpdate
 import java.util.concurrent.TimeUnit
 
 class UpdateWorker(private val appContext: Context, params: WorkerParameters) : CoroutineWorker(appContext, params) {
@@ -59,8 +61,13 @@ class UpdateWorker(private val appContext: Context, params: WorkerParameters) :
         Log.d(TAG, "Checking for updates...")
 
         return try {
-            val track = UpdateTrack.fromString(Settings.updateTrack)
-            val updateInfo = GitHubUpdateChecker().use { it.checkUpdate(track) }
+            val updateInfo = when (UpdateSource.fromString(Settings.updateSource)) {
+                UpdateSource.FDROID -> checkFDroidUpdate(appContext)
+                UpdateSource.GITHUB -> {
+                    val track = UpdateTrack.fromString(Settings.updateTrack)
+                    GitHubUpdateChecker().use { it.checkUpdate(track) }
+                }
+            }
 
             if (updateInfo == null) {
                 Log.d(TAG, "No update available")

app/src/main/java/io/nekohasekai/libbox/FDroidStubs.kt

@@ -0,0 +1,27 @@
+package io.nekohasekai.libbox
+
+class FDroidMirror(
+    val url: String,
+    val name: String,
+    val country: String,
+)
+
+class FDroidMirrorIterator(
+    private val items: List<FDroidMirror>,
+) {
+    private var index = 0
+    fun hasNext(): Boolean = index < items.size
+    fun next(): FDroidMirror = items[index++]
+}
+
+class FDroidMirrorPingResult(
+    val url: String,
+    val latencyMs: Int,
+)
+
+class FDroidUpdateResult(
+    val versionCode: Int,
+    val versionName: String,
+    val downloadURL: String,
+    val fileSize: Long,
+)

app/src/main/java/io/nekohasekai/libbox/HTTPResponseWriteToProgressHandler.kt

@@ -0,0 +1,5 @@
+package io.nekohasekai.libbox
+
+interface HTTPResponseWriteToProgressHandler {
+    fun update(progress: Long, total: Long)
+}

app/src/main/java/io/nekohasekai/libbox/LibboxStubs.kt

@@ -0,0 +1,34 @@
+package io.nekohasekai.libbox
+
+fun HTTPResponse.writeToWithProgress(path: String, handler: HTTPResponseWriteToProgressHandler) {
+    writeTo(path)
+}
+
+fun ConnectionOwner.setAndroidPackageNames(names: StringIterator) {
+    if (names.hasNext()) {
+        androidPackageName = names.next()
+    }
+}
+
+fun ProcessInfo.packageNames(): StringIterator? {
+    val name = packageName ?: return null
+    if (name.isEmpty()) return null
+    return object : StringIterator {
+        private var consumed = false
+        override fun len(): Int = 1
+        override fun hasNext(): Boolean = !consumed
+        override fun next(): String { consumed = true; return name }
+    }
+}
+
+fun getFDroidMirrors(): FDroidMirrorIterator {
+    return FDroidMirrorIterator(emptyList())
+}
+
+fun pingFDroidMirror(url: String): FDroidMirrorPingResult {
+    return FDroidMirrorPingResult(url, -1)
+}
+
+fun checkFDroidUpdate(mirrorUrl: String, packageName: String, versionCode: Int, cachePath: String): FDroidUpdateResult? {
+    return null
+}

app/src/main/java/io/nekohasekai/libbox/NeighborUpdateListener.kt

@@ -0,0 +1,3 @@
+package io.nekohasekai.libbox
+
+interface NeighborUpdateListener

app/src/main/java/io/nekohasekai/sfa/bg/BoxService.kt

@@ -162,7 +162,6 @@ class BoxService(private val service: Service, private val platformInterface: Pl
                         android.Manifest.permission.ACCESS_BACKGROUND_LOCATION
                     }
                 if (!service.hasPermission(wifiPermission)) {
-                    closeService()
                     stopAndAlert(Alert.RequestLocationPermission)
                     return
                 }
@@ -243,7 +242,6 @@ class BoxService(private val service: Service, private val platformInterface: Pl
                     android.Manifest.permission.ACCESS_BACKGROUND_LOCATION
                 }
             if (!service.hasPermission(wifiPermission)) {
-                closeService()
                 stopAndAlert(Alert.RequestLocationPermission)
                 return
             }
@@ -311,6 +309,16 @@ class BoxService(private val service: Service, private val platformInterface: Pl
 
     private suspend fun stopAndAlert(type: Alert, message: String? = null) {
         Settings.startedByUser = false
+        val pfd = fileDescriptor
+        if (pfd != null) {
+            pfd.close()
+            fileDescriptor = null
+        }
+        DefaultNetworkMonitor.stop()
+        if (::commandServer.isInitialized) {
+            closeService()
+            commandServer.close()
+        }
         withContext(Dispatchers.Main) {
             if (receiverRegistered) {
                 service.unregisterReceiver(receiver)
@@ -321,6 +329,7 @@ class BoxService(private val service: Service, private val platformInterface: Pl
                 callback.onServiceAlert(type.ordinal, message)
             }
             status.value = Status.Stopped
+            service.stopSelf()
         }
     }
 

app/src/main/java/io/nekohasekai/sfa/bg/DebugInfoExporter.kt

@@ -13,11 +13,13 @@ import java.io.StringWriter
 import java.text.SimpleDateFormat
 import java.util.Date
 import java.util.Locale
+import java.util.zip.Deflater
 import java.util.zip.ZipEntry
 import java.util.zip.ZipOutputStream
 
 object DebugInfoExporter {
     private const val TAG = "DebugInfoExporter"
+    private const val BUFFER_SIZE = 128 * 1024
 
     fun export(context: Context, outputPath: String, packageName: String): String {
         Log.i(TAG, "export start: output=$outputPath, package=$packageName")
@@ -94,43 +96,27 @@ object DebugInfoExporter {
 
     private fun addFrameworkEntries(zip: ZipOutputStream, warnings: MutableList<String>): Int {
         var count = 0
-        val roots =
-            listOf(
-                File("/system/framework"),
-                File("/system_ext/framework"),
-                File("/product/framework"),
-                File("/vendor/framework"),
-            )
+        val root = File("/system/framework")
+        if (!root.isDirectory) return 0
         val targetFiles = setOf("framework.jar", "services.jar")
-        for (root in roots) {
-            if (!root.isDirectory) continue
-            val destPrefix = "framework/${root.name}"
-            val files = root.listFiles() ?: emptyArray()
-            for (file in files) {
-                if (!file.isFile) continue
-                if (file.name !in targetFiles) continue
-                if (addFileEntry(zip, file, "$destPrefix/${file.name}", warnings)) {
-                    count++
-                }
+        val files = root.listFiles() ?: emptyArray()
+        for (file in files) {
+            if (!file.isFile) continue
+            if (file.name !in targetFiles) continue
+            if (addFileEntry(zip, file, "framework/${file.name}", warnings, noCompression = true)) {
+                count++
             }
         }
         return count
     }
 
     private fun addApexEntries(zip: ZipOutputStream, warnings: MutableList<String>): Int {
-        var count = 0
-        val tetheringApex = File("/apex/com.android.tethering/javalib")
-        if (!tetheringApex.isDirectory) return 0
-        val destPrefix = "framework/apex_com.android.tethering"
-        val files = tetheringApex.listFiles() ?: emptyArray()
-        for (file in files) {
-            if (!file.isFile) continue
-            if (!file.name.lowercase(Locale.US).endsWith(".jar")) continue
-            if (addFileEntry(zip, file, "$destPrefix/${file.name}", warnings)) {
-                count++
-            }
+        val file = File("/apex/com.android.tethering/javalib/service-connectivity.jar")
+        if (!file.isFile) {
+            warnings.add("missing file: ${file.path}")
+            return 0
         }
-        return count
+        return if (addFileEntry(zip, file, "framework/apex_com.android.tethering/service-connectivity.jar", warnings, noCompression = true)) 1 else 0
     }
 
     private fun addLogEntries(zip: ZipOutputStream, warnings: MutableList<String>, context: Context): Int {
@@ -222,16 +208,22 @@ object DebugInfoExporter {
         return count
     }
 
-    private fun addFileEntry(zip: ZipOutputStream, file: File, entryName: String, warnings: MutableList<String>): Boolean {
+    private fun addFileEntry(
+        zip: ZipOutputStream,
+        file: File,
+        entryName: String,
+        warnings: MutableList<String>,
+        noCompression: Boolean = false,
+    ): Boolean {
         if (!file.isFile) {
             warnings.add("missing file: ${file.path}")
             return false
         }
         try {
-            val entry = ZipEntry(entryName)
-            zip.putNextEntry(entry)
+            if (noCompression) zip.setLevel(Deflater.NO_COMPRESSION)
+            zip.putNextEntry(ZipEntry(entryName))
             BufferedInputStream(FileInputStream(file)).use { input ->
-                val buffer = ByteArray(16 * 1024)
+                val buffer = ByteArray(BUFFER_SIZE)
                 while (true) {
                     val read = input.read(buffer)
                     if (read <= 0) break
@@ -239,9 +231,11 @@ object DebugInfoExporter {
                 }
             }
             zip.closeEntry()
+            if (noCompression) zip.setLevel(Deflater.DEFAULT_COMPRESSION)
             return true
         } catch (e: Throwable) {
             warnings.add("zip failed ${file.path}: ${e.message}")
+            if (noCompression) zip.setLevel(Deflater.DEFAULT_COMPRESSION)
             return false
         }
     }
@@ -263,11 +257,10 @@ object DebugInfoExporter {
         command: List<String>,
     ): CommandResult? = try {
         val process = ProcessBuilder(command).redirectErrorStream(true).start()
-        val entry = ZipEntry(entryName)
-        zip.putNextEntry(entry)
+        zip.putNextEntry(ZipEntry(entryName))
         var bytes = 0L
         process.inputStream.use { input ->
-            val buffer = ByteArray(16 * 1024)
+            val buffer = ByteArray(BUFFER_SIZE)
             while (true) {
                 val read = input.read(buffer)
                 if (read <= 0) break

app/src/main/java/io/nekohasekai/sfa/bg/DefaultNetworkMonitor.kt

@@ -43,17 +43,20 @@ object DefaultNetworkMonitor {
     private fun checkDefaultInterfaceUpdate(newNetwork: Network?) {
         val listener = listener ?: return
         if (newNetwork != null) {
-            val interfaceName =
-                (Application.connectivity.getLinkProperties(newNetwork) ?: return).interfaceName
             for (times in 0 until 10) {
+                val linkProperties = Application.connectivity.getLinkProperties(newNetwork)
+                if (linkProperties == null) {
+                    Thread.sleep(100)
+                    continue
+                }
                 var interfaceIndex: Int
                 try {
-                    interfaceIndex = NetworkInterface.getByName(interfaceName).index
+                    interfaceIndex = NetworkInterface.getByName(linkProperties.interfaceName).index
                 } catch (e: Exception) {
                     Thread.sleep(100)
                     continue
                 }
-                listener.updateDefaultInterface(interfaceName, interfaceIndex, false, false)
+                listener.updateDefaultInterface(linkProperties.interfaceName, interfaceIndex, false, false)
             }
         } else {
             listener.updateDefaultInterface("", -1, false, false)

app/src/main/java/io/nekohasekai/sfa/bg/LocalResolver.kt

@@ -23,8 +23,8 @@ object LocalResolver : LocalDNSTransport {
 
     @RequiresApi(Build.VERSION_CODES.Q)
     override fun exchange(ctx: ExchangeContext, message: ByteArray) {
+        val defaultNetwork = DefaultNetworkMonitor.defaultNetwork ?: error("missing default interface")
         return runBlocking {
-            val defaultNetwork = DefaultNetworkMonitor.require()
             suspendCoroutine { continuation ->
                 val signal = CancellationSignal()
                 ctx.onCancel(signal::cancel)
@@ -63,8 +63,8 @@ object LocalResolver : LocalDNSTransport {
     }
 
     override fun lookup(ctx: ExchangeContext, network: String, domain: String) {
+        val defaultNetwork = DefaultNetworkMonitor.defaultNetwork ?: error("missing default interface")
         return runBlocking {
-            val defaultNetwork = DefaultNetworkMonitor.require()
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
                 suspendCoroutine { continuation ->
                     val signal = CancellationSignal()

app/src/main/java/io/nekohasekai/sfa/bg/ParceledListSlice.java

@@ -136,7 +136,7 @@ public class ParceledListSlice<T extends Parcelable> implements Parcelable {
       new Parcelable.ClassLoaderCreator<ParceledListSlice>() {
         @Override
         public ParceledListSlice createFromParcel(Parcel in) {
-          return new ParceledListSlice(in, null);
+          return new ParceledListSlice(in, ParceledListSlice.class.getClassLoader());
         }
 
         @Override

app/src/main/java/io/nekohasekai/sfa/bg/PlatformInterfaceWrapper.kt

@@ -16,6 +16,7 @@ import io.nekohasekai.libbox.PlatformInterface
 import io.nekohasekai.libbox.StringIterator
 import io.nekohasekai.libbox.TunOptions
 import io.nekohasekai.libbox.WIFIState
+import io.nekohasekai.libbox.setAndroidPackageNames
 import io.nekohasekai.sfa.Application
 import java.net.Inet6Address
 import java.net.InetSocketAddress
@@ -58,7 +59,7 @@ interface PlatformInterfaceWrapper : PlatformInterface {
             val owner = ConnectionOwner()
             owner.userId = uid
             owner.userName = packages?.firstOrNull() ?: ""
-            owner.androidPackageName = packages?.firstOrNull() ?: ""
+            owner.setAndroidPackageNames(StringArray(packages?.toList()?.iterator() ?: emptyList<String>().iterator()))
             return owner
         } catch (e: Exception) {
             Log.e("PlatformInterface", "getConnectionOwnerUid", e)

app/src/main/java/io/nekohasekai/sfa/bg/ProxyService.kt

@@ -2,6 +2,7 @@ package io.nekohasekai.sfa.bg
 
 import android.app.Service
 import android.content.Intent
+import io.nekohasekai.libbox.NeighborUpdateListener
 import io.nekohasekai.libbox.Notification
 
 class ProxyService :
@@ -14,6 +15,10 @@ class ProxyService :
     override fun onBind(intent: Intent) = service.onBind()
 
     override fun onDestroy() = service.onDestroy()
+    fun closeNeighborMonitor(listener: NeighborUpdateListener?) {
+    }
 
     override fun sendNotification(notification: Notification) = service.sendNotification(notification)
+    fun startNeighborMonitor(listener: NeighborUpdateListener?) {
+    }
 }

app/src/main/java/io/nekohasekai/sfa/bg/RootClient.kt

@@ -6,6 +6,7 @@ import android.content.ServiceConnection
 import android.content.pm.PackageInfo
 import android.os.IBinder
 import android.os.RemoteException
+import androidx.core.content.ContextCompat
 import com.topjohnwu.superuser.Shell
 import com.topjohnwu.superuser.ipc.RootService
 import io.nekohasekai.sfa.Application
@@ -17,7 +18,9 @@ import kotlinx.coroutines.suspendCancellableCoroutine
 import kotlinx.coroutines.sync.Mutex
 import kotlinx.coroutines.sync.withLock
 import kotlinx.coroutines.withContext
+import java.io.IOException
 import kotlin.coroutines.resume
+import kotlin.coroutines.resumeWithException
 
 object RootClient {
     init {
@@ -53,6 +56,10 @@ object RootClient {
     suspend fun bindService(): IRootService = connectionMutex.withLock {
         service?.let { return it }
 
+        if (Shell.isAppGrantedRoot() == false) {
+            throw IOException("permission denied")
+        }
+
         return withContext(Dispatchers.Main) {
             suspendCancellableCoroutine { continuation ->
                 val conn = object : ServiceConnection {
@@ -72,7 +79,30 @@ object RootClient {
                 }
 
                 val intent = Intent(Application.application, RootServer::class.java)
-                RootService.bind(intent, conn)
+                val task = RootService.bindOrTask(
+                    intent,
+                    ContextCompat.getMainExecutor(Application.application),
+                    conn,
+                )
+
+                if (task == null) {
+                    // Already connected, onServiceConnected will fire
+                } else {
+                    Shell.EXECUTOR.execute {
+                        try {
+                            val shell = Shell.getShell()
+                            if (shell.isRoot) {
+                                shell.execTask(task)
+                            } else {
+                                continuation.resumeWithException(
+                                    IOException("permission denied"),
+                                )
+                            }
+                        } catch (e: Exception) {
+                            continuation.resumeWithException(e)
+                        }
+                    }
+                }
 
                 continuation.invokeOnCancellation {
                     RootService.unbind(conn)

app/src/main/java/io/nekohasekai/sfa/bg/VPNService.kt

@@ -7,6 +7,7 @@ import android.net.VpnService
 import android.os.Build
 import android.os.IBinder
 import android.util.Log
+import io.nekohasekai.libbox.NeighborUpdateListener
 import io.nekohasekai.libbox.Notification
 import io.nekohasekai.libbox.TunOptions
 import io.nekohasekai.sfa.database.Settings
@@ -51,6 +52,9 @@ class VPNService :
         protect(fd)
     }
 
+    fun closeNeighborMonitor(listener: NeighborUpdateListener?) {
+    }
+
     var systemProxyAvailable = false
     var systemProxyEnabled = false
 
@@ -66,6 +70,10 @@ class VPNService :
             builder.setMetered(false)
         }
 
+        if (Settings.allowBypass) {
+            builder.allowBypass()
+        }
+
         val inet4Address = options.inet4Address
         while (inet4Address.hasNext()) {
             val address = inet4Address.next()
@@ -178,4 +186,6 @@ class VPNService :
     }
 
     override fun sendNotification(notification: Notification) = service.sendNotification(notification)
+    fun startNeighborMonitor(listener: NeighborUpdateListener?) {
+    }
 }

app/src/main/java/io/nekohasekai/sfa/compose/MainActivity.kt

@@ -8,6 +8,7 @@ import android.net.Uri
 import android.net.VpnService
 import android.os.Build
 import android.os.Bundle
+import androidx.activity.compose.BackHandler
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
 import androidx.activity.result.contract.ActivityResultContracts
@@ -42,6 +43,7 @@ import androidx.compose.material3.ExtendedFloatingActionButton
 import androidx.compose.material3.FloatingActionButton
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
+import androidx.compose.material3.LinearProgressIndicator
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.ModalBottomSheet
 import androidx.compose.material3.NavigationBar
@@ -113,6 +115,7 @@ import io.nekohasekai.sfa.compose.theme.SFATheme
 import io.nekohasekai.sfa.compose.topbar.LocalTopBarController
 import io.nekohasekai.sfa.compose.topbar.TopBarController
 import io.nekohasekai.sfa.compose.topbar.TopBarEntry
+import io.nekohasekai.sfa.constant.Action
 import io.nekohasekai.sfa.constant.Alert
 import io.nekohasekai.sfa.constant.ServiceMode
 import io.nekohasekai.sfa.constant.Status
@@ -225,6 +228,10 @@ class MainActivity :
             pendingNavigationRoute.value = "settings/privilege"
         }
         val uri = intent.data ?: return
+        if (intent.action == Action.OPEN_URL) {
+            launchCustomTab(uri.toString())
+            return
+        }
         if (uri.scheme == "sing-box" && uri.host == "import-remote-profile") {
             try {
                 val profile = Libbox.parseRemoteProfileImportLink(uri.toString())
@@ -565,10 +572,22 @@ class MainActivity :
                                 color = MaterialTheme.colorScheme.error,
                             )
                         } else {
-                            Row(verticalAlignment = Alignment.CenterVertically) {
-                                CircularProgressIndicator(modifier = Modifier.size(24.dp))
-                                Spacer(modifier = Modifier.width(12.dp))
-                                Text(stringResource(R.string.downloading))
+                            val progress by UpdateState.downloadProgress
+                            Column {
+                                if (progress != null) {
+                                    Text("${stringResource(R.string.downloading)} ${(progress!! * 100).toInt()}%")
+                                } else {
+                                    Text(stringResource(R.string.downloading))
+                                }
+                                Spacer(modifier = Modifier.height(8.dp))
+                                if (progress != null) {
+                                    LinearProgressIndicator(
+                                        progress = { progress!! },
+                                        modifier = Modifier.fillMaxWidth(),
+                                    )
+                                } else {
+                                    LinearProgressIndicator(modifier = Modifier.fillMaxWidth())
+                                }
                             }
                         }
                     }
@@ -580,6 +599,7 @@ class MainActivity :
                             downloadJob = null
                             showDownloadDialog = false
                             downloadError = null
+                            UpdateState.downloadProgress.value = null
                         },
                     ) {
                         Text(stringResource(if (downloadError != null) R.string.ok else android.R.string.cancel))
@@ -1088,6 +1108,10 @@ class MainActivity :
                 }
             }
 
+            BackHandler(enabled = selectedConnectionId != null) {
+                selectedConnectionId = null
+            }
+
             ModalBottomSheet(
                 onDismissRequest = {
                     showConnectionsSheet = false

app/src/main/java/io/nekohasekai/sfa/compose/model/Connection.kt

@@ -1,12 +1,13 @@
 package io.nekohasekai.sfa.compose.model
 
 import androidx.compose.runtime.Immutable
+import io.nekohasekai.libbox.packageNames
 import io.nekohasekai.sfa.ktx.toList
 import io.nekohasekai.libbox.Connection as LibboxConnection
 import io.nekohasekai.libbox.ProcessInfo as LibboxProcessInfo
 
 @Immutable
-data class ProcessInfo(val processId: Long, val userId: Int, val userName: String, val processPath: String, val packageName: String) {
+data class ProcessInfo(val processId: Long, val userId: Int, val userName: String, val processPath: String, val packageNames: List<String>) {
     companion object {
         fun from(processInfo: LibboxProcessInfo?): ProcessInfo? {
             if (processInfo == null) return null
@@ -15,7 +16,7 @@ data class ProcessInfo(val processId: Long, val userId: Int, val userName: Strin
                 userId = processInfo.userID,
                 userName = processInfo.userName ?: "",
                 processPath = processInfo.processPath ?: "",
-                packageName = processInfo.packageName ?: "",
+                packageNames = processInfo.packageNames()?.toList() ?: emptyList(),
             )
         }
     }
@@ -66,7 +67,7 @@ data class Connection(
         domain.contains(content, ignoreCase = true) ||
         outbound.contains(content, ignoreCase = true) ||
         rule.contains(content, ignoreCase = true) ||
-        processInfo?.packageName?.contains(content, ignoreCase = true) == true
+        processInfo?.packageNames?.any { it.contains(content, ignoreCase = true) } == true
 
     private fun performSearchType(type: String, value: String): Boolean = when (type) {
         "network" -> network.equals(value, ignoreCase = true)
@@ -79,7 +80,7 @@ data class Connection(
         "rule" -> rule.contains(value, ignoreCase = true)
         "protocol" -> protocolName.equals(value, ignoreCase = true)
         "user" -> user.contains(value, ignoreCase = true)
-        "package" -> processInfo?.packageName?.contains(value, ignoreCase = true) == true
+        "package" -> processInfo?.packageNames?.any { it.contains(value, ignoreCase = true) } == true
         "chain" -> chain.any { it.contains(value, ignoreCase = true) }
         else -> false
     }

app/src/main/java/io/nekohasekai/sfa/compose/navigation/SFANavigation.kt

@@ -28,6 +28,7 @@ import io.nekohasekai.sfa.compose.screen.profile.EditProfileRoute
 import io.nekohasekai.sfa.compose.screen.profileoverride.PerAppProxyScreen
 import io.nekohasekai.sfa.compose.screen.settings.AppSettingsScreen
 import io.nekohasekai.sfa.compose.screen.settings.CoreSettingsScreen
+import io.nekohasekai.sfa.compose.screen.settings.FDroidMirrorScreen
 import io.nekohasekai.sfa.compose.screen.settings.PrivilegeSettingsScreen
 import io.nekohasekai.sfa.compose.screen.settings.ProfileOverrideScreen
 import io.nekohasekai.sfa.compose.screen.settings.ServiceSettingsScreen
@@ -224,6 +225,16 @@ fun SFANavHost(
             AppSettingsScreen(navController = navController)
         }
 
+        composable(
+            route = "settings/fdroid_mirror",
+            enterTransition = slideInFromRight,
+            exitTransition = slideOutToLeft,
+            popEnterTransition = slideInFromLeft,
+            popExitTransition = slideOutToRight,
+        ) {
+            FDroidMirrorScreen(navController = navController)
+        }
+
         composable(
             route = "settings/core",
             enterTransition = slideInFromRight,

app/src/main/java/io/nekohasekai/sfa/compose/screen/configuration/ProfileImportHandler.kt

@@ -241,8 +241,9 @@ class ProfileImportHandler(private val context: Context) {
         }
 
         // Save config file
+        val fileID = ProfileManager.nextFileID()
         val configDirectory = File(context.filesDir, "configs").also { it.mkdirs() }
-        val configFile = File(configDirectory, "${profile.userOrder}.json")
+        val configFile = File(configDirectory, "$fileID.json")
         configFile.writeText(content.config)
         typedProfile.path = configFile.path
 
@@ -268,8 +269,9 @@ class ProfileImportHandler(private val context: Context) {
             }
 
         // Create empty config file for remote profile
+        val fileID = ProfileManager.nextFileID()
         val configDirectory = File(context.filesDir, "configs").also { it.mkdirs() }
-        val configFile = File(configDirectory, "${profile.userOrder}.json")
+        val configFile = File(configDirectory, "$fileID.json")
         configFile.writeText("{}")
         typedProfile.path = configFile.path
 
@@ -370,8 +372,9 @@ class ProfileImportHandler(private val context: Context) {
                 }
 
             // Save the configuration file
+            val fileID = ProfileManager.nextFileID()
             val configDirectory = File(context.filesDir, "configs").also { it.mkdirs() }
-            val configFile = File(configDirectory, "${profile.userOrder}.json")
+            val configFile = File(configDirectory, "$fileID.json")
             configFile.writeText(jsonContent)
             typedProfile.path = configFile.path
 

app/src/main/java/io/nekohasekai/sfa/compose/screen/connections/ConnectionDetailsScreen.kt

@@ -247,7 +247,7 @@ fun ConnectionDetailsScreen(
         }
 
         connection.processInfo?.let { processInfo ->
-            if (processInfo.packageName.isNotEmpty() ||
+            if (processInfo.packageNames.isNotEmpty() ||
                 processInfo.processPath.isNotEmpty() ||
                 processInfo.processId > 0
             ) {
@@ -282,10 +282,10 @@ fun ConnectionDetailsScreen(
                             monospace = true,
                         )
                     }
-                    if (processInfo.packageName.isNotEmpty()) {
+                    if (processInfo.packageNames.isNotEmpty()) {
                         DetailRow(
                             label = stringResource(R.string.connection_package_name),
-                            value = processInfo.packageName,
+                            value = processInfo.packageNames.joinToString(", "),
                             monospace = true,
                         )
                     }

app/src/main/java/io/nekohasekai/sfa/compose/screen/connections/ConnectionItem.kt

@@ -82,7 +82,7 @@ private fun rememberAppInfo(packageName: String): AppInfo? {
 @Composable
 fun ConnectionItem(connection: Connection, onClick: () -> Unit, onClose: () -> Unit, modifier: Modifier = Modifier) {
     var showContextMenu by remember { mutableStateOf(false) }
-    val packageName = connection.processInfo?.packageName?.takeIf { it.isNotEmpty() }
+    val packageName = connection.processInfo?.packageNames?.firstOrNull()
     val appInfo = packageName?.let { rememberAppInfo(it) }
 
     Box(modifier = modifier) {

app/src/main/java/io/nekohasekai/sfa/compose/screen/dashboard/DashboardViewModel.kt

@@ -200,7 +200,7 @@ class DashboardViewModel :
 
     private fun checkDeprecatedNotes() {
         viewModelScope.launch(Dispatchers.IO) {
-            try {
+            runCatching {
                 // Check if deprecated warnings are disabled
                 if (Settings.disableDeprecatedWarnings) {
                     return@launch
@@ -227,8 +227,6 @@ class DashboardViewModel :
                         }
                     }
                 }
-            } catch (e: Exception) {
-                sendError(e)
             }
         }
     }

app/src/main/java/io/nekohasekai/sfa/compose/screen/dashboard/ProfilePickerSheet.kt

@@ -42,7 +42,6 @@ import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.ModalBottomSheet
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
-import androidx.compose.ui.graphics.lerp
 import androidx.compose.material3.rememberModalBottomSheetState
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
@@ -52,6 +51,7 @@ import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.lerp
 import androidx.compose.ui.graphics.toArgb
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource

app/src/main/java/io/nekohasekai/sfa/compose/screen/dashboard/ProfileSelectorButton.kt

@@ -19,8 +19,8 @@ import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.Alignment
-import androidx.compose.ui.graphics.lerp
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.lerp
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.style.TextOverflow

app/src/main/java/io/nekohasekai/sfa/compose/screen/log/LogViewModel.kt

@@ -81,15 +81,19 @@ class LogViewModel :
 
     override fun setDefaultLogLevel(level: Int) {
         val logLevel = LogLevel.entries.find { it.priority == level } ?: error("Unknown log level: $level")
-        _uiState.update { it.copy(defaultLogLevel = logLevel) }
-        updateDisplayedLogs()
+        viewModelScope.launch(Dispatchers.Main) {
+            _uiState.update { it.copy(defaultLogLevel = logLevel) }
+            updateDisplayedLogs()
+        }
     }
 
     override fun clearLogs() {
-        allLogs.clear()
-        bufferedLogs.clear()
-        _uiState.update { it.copy(isPaused = false) }
-        updateDisplayedLogs()
+        viewModelScope.launch(Dispatchers.Main) {
+            allLogs.clear()
+            bufferedLogs.clear()
+            _uiState.update { it.copy(isPaused = false) }
+            updateDisplayedLogs()
+        }
     }
 
     override fun requestClearLogs() {
@@ -104,23 +108,25 @@ class LogViewModel :
 
     override fun appendLogs(message: List<LogEntry>) {
         val processedLogs = message.map { processLogEntry(it) }
-        if (_uiState.value.isPaused) {
-            bufferedLogs.addAll(processedLogs)
-        } else {
-            val totalSize = allLogs.size + processedLogs.size
-            val removeCount = (totalSize - maxLines).coerceAtLeast(0)
+        viewModelScope.launch(Dispatchers.Main) {
+            if (_uiState.value.isPaused) {
+                bufferedLogs.addAll(processedLogs)
+            } else {
+                val totalSize = allLogs.size + processedLogs.size
+                val removeCount = (totalSize - maxLines).coerceAtLeast(0)
 
-            if (removeCount > 0) {
-                repeat(removeCount) {
-                    allLogs.removeFirst()
+                if (removeCount > 0) {
+                    repeat(removeCount) {
+                        allLogs.removeFirst()
+                    }
                 }
-            }
 
-            allLogs.addAll(processedLogs)
-            updateDisplayedLogs()
+                allLogs.addAll(processedLogs)
+                updateDisplayedLogs()
 
-            if (_autoScrollEnabled.value && !_uiState.value.isPaused && !_uiState.value.isSearchActive) {
-                scrollToBottom()
+                if (_autoScrollEnabled.value && !_uiState.value.isPaused && !_uiState.value.isSearchActive) {
+                    scrollToBottom()
+                }
             }
         }
     }

app/src/main/java/io/nekohasekai/sfa/compose/screen/profile/EditProfileContentScreen.kt

@@ -92,12 +92,11 @@ fun EditProfileContentScreen(
     profileId: Long,
     onNavigateBack: () -> Unit,
     modifier: Modifier = Modifier,
-    profileName: String = "",
     isReadOnly: Boolean = false,
 ) {
     val viewModel: EditProfileContentViewModel =
         viewModel(
-            factory = EditProfileContentViewModel.Factory(profileId, profileName, isReadOnly),
+            factory = EditProfileContentViewModel.Factory(profileId, isReadOnly),
         )
     val uiState by viewModel.uiState.collectAsState()
     val context = LocalContext.current

app/src/main/java/io/nekohasekai/sfa/compose/screen/profile/EditProfileContentViewModel.kt

@@ -38,11 +38,10 @@ data class EditProfileContentUiState(
     val profileName: String = "", // Add profile name
 )
 
-class EditProfileContentViewModel(private val profileId: Long, initialProfileName: String = "", initialIsReadOnly: Boolean = false) : ViewModel() {
+class EditProfileContentViewModel(private val profileId: Long, initialIsReadOnly: Boolean = false) : ViewModel() {
     private val _uiState =
         MutableStateFlow(
             EditProfileContentUiState(
-                profileName = initialProfileName,
                 isReadOnly = initialIsReadOnly,
             ),
         )
@@ -211,7 +210,7 @@ class EditProfileContentViewModel(private val profileId: Long, initialProfileNam
                             originalContent = content,
                             hasUnsavedChanges = false,
                             isLoading = false,
-                            // Keep profileName and isReadOnly from initial state - no need to update
+                            profileName = loadedProfile.name,
                         )
                     }
                 }
@@ -584,13 +583,12 @@ class EditProfileContentViewModel(private val profileId: Long, initialProfileNam
 
     class Factory(
         private val profileId: Long,
-        private val initialProfileName: String = "",
         private val initialIsReadOnly: Boolean = false,
     ) : ViewModelProvider.Factory {
         @Suppress("UNCHECKED_CAST")
         override fun <T : ViewModel> create(modelClass: Class<T>): T {
             if (modelClass.isAssignableFrom(EditProfileContentViewModel::class.java)) {
-                return EditProfileContentViewModel(profileId, initialProfileName, initialIsReadOnly) as T
+                return EditProfileContentViewModel(profileId, initialIsReadOnly) as T
             }
             throw IllegalArgumentException("Unknown ViewModel class")
         }

app/src/main/java/io/nekohasekai/sfa/compose/screen/profile/EditProfileRoute.kt

@@ -1,5 +1,6 @@
 package io.nekohasekai.sfa.compose.screen.profile
 
+import android.net.Uri
 import androidx.compose.animation.AnimatedContentTransitionScope
 import androidx.compose.animation.core.tween
 import androidx.compose.runtime.Composable
@@ -64,12 +65,12 @@ fun EditProfileRoute(profileId: Long, onNavigateBack: () -> Unit, modifier: Modi
                 profileId = profileId,
                 onNavigateBack = onNavigateBack,
                 onNavigateToIconSelection = { currentIconId ->
-                    navController.navigate("icon_selection/${currentIconId ?: "null"}") {
+                    navController.navigate("icon_selection/${Uri.encode(currentIconId ?: "null")}") {
                         launchSingleTop = true
                     }
                 },
-                onNavigateToEditContent = { profileName, isReadOnly ->
-                    navController.navigate("edit_content/$profileName/$isReadOnly") {
+                onNavigateToEditContent = { isReadOnly ->
+                    navController.navigate("edit_content/$isReadOnly") {
                         launchSingleTop = true
                     }
                 },
@@ -128,13 +129,9 @@ fun EditProfileRoute(profileId: Long, onNavigateBack: () -> Unit, modifier: Modi
         }
 
         composable(
-            route = "edit_content/{profileName}/{isReadOnly}",
+            route = "edit_content/{isReadOnly}",
             arguments =
             listOf(
-                navArgument("profileName") {
-                    type = NavType.StringType
-                    defaultValue = ""
-                },
                 navArgument("isReadOnly") {
                     type = NavType.BoolType
                     defaultValue = false
@@ -165,7 +162,6 @@ fun EditProfileRoute(profileId: Long, onNavigateBack: () -> Unit, modifier: Modi
                 )
             },
         ) { backStackEntry ->
-            val profileName = backStackEntry.arguments?.getString("profileName") ?: ""
             val isReadOnly = backStackEntry.arguments?.getBoolean("isReadOnly") ?: false
 
             EditProfileContentScreen(
@@ -173,7 +169,6 @@ fun EditProfileRoute(profileId: Long, onNavigateBack: () -> Unit, modifier: Modi
                 onNavigateBack = {
                     navController.popBackStack("edit_profile", inclusive = false)
                 },
-                profileName = profileName,
                 isReadOnly = isReadOnly,
             )
         }

app/src/main/java/io/nekohasekai/sfa/compose/screen/profile/EditProfileScreen.kt

@@ -79,7 +79,7 @@ fun EditProfileScreen(
     profileId: Long,
     onNavigateBack: () -> Unit,
     onNavigateToIconSelection: (currentIconId: String?) -> Unit = {},
-    onNavigateToEditContent: (profileName: String, isReadOnly: Boolean) -> Unit = { _, _ -> },
+    onNavigateToEditContent: (isReadOnly: Boolean) -> Unit = {},
     viewModel: EditProfileViewModel = viewModel(),
 ) {
     val uiState by viewModel.uiState.collectAsStateWithLifecycle()
@@ -473,7 +473,6 @@ fun EditProfileScreen(
                                 .clip(RoundedCornerShape(12.dp))
                                 .clickable {
                                     onNavigateToEditContent(
-                                        uiState.name,
                                         uiState.profileType == TypedProfile.Type.Remote,
                                     )
                                 },

app/src/main/java/io/nekohasekai/sfa/compose/screen/settings/AppSettingsScreen.kt

@@ -7,10 +7,15 @@ import android.content.Context
 import android.content.Intent
 import android.net.Uri
 import android.os.Build
+import android.text.format.Formatter
 import android.util.Log
+import android.widget.Toast
 import androidx.appcompat.app.AppCompatDelegate
+import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
+import androidx.compose.foundation.combinedClickable
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.Spacer
@@ -25,8 +30,11 @@ import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.filled.ContentCopy
 import androidx.compose.material.icons.outlined.AdminPanelSettings
 import androidx.compose.material.icons.outlined.Autorenew
+import androidx.compose.material.icons.outlined.DeleteForever
+import androidx.compose.material.icons.outlined.DeleteSweep
 import androidx.compose.material.icons.outlined.Download
 import androidx.compose.material.icons.outlined.Info
 import androidx.compose.material.icons.outlined.Language
@@ -41,9 +49,12 @@ import androidx.compose.material3.Badge
 import androidx.compose.material3.Card
 import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
+import androidx.compose.material3.LinearProgressIndicator
 import androidx.compose.material3.ListItem
 import androidx.compose.material3.ListItemDefaults
 import androidx.compose.material3.MaterialTheme
@@ -62,6 +73,7 @@ import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.alpha
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
@@ -71,13 +83,17 @@ import androidx.core.os.LocaleListCompat
 import androidx.lifecycle.Lifecycle
 import androidx.lifecycle.compose.LifecycleEventEffect
 import androidx.navigation.NavController
+import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.libbox.getFDroidMirrors
 import io.nekohasekai.sfa.Application
 import io.nekohasekai.sfa.BuildConfig
 import io.nekohasekai.sfa.R
 import io.nekohasekai.sfa.compose.component.UpdateAvailableDialog
 import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
 import io.nekohasekai.sfa.database.Settings
+import io.nekohasekai.sfa.ktx.clipboardText
 import io.nekohasekai.sfa.update.UpdateCheckException
+import io.nekohasekai.sfa.update.UpdateSource
 import io.nekohasekai.sfa.update.UpdateState
 import io.nekohasekai.sfa.update.UpdateTrack
 import io.nekohasekai.sfa.utils.HookStatusClient
@@ -88,10 +104,11 @@ import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 import org.xmlpull.v1.XmlPullParser
+import java.io.File
 import java.util.Locale
 import android.provider.Settings as AndroidSettings
 
-@OptIn(ExperimentalMaterial3Api::class)
+@OptIn(ExperimentalMaterial3Api::class, ExperimentalFoundationApi::class)
 @Composable
 fun AppSettingsScreen(navController: NavController) {
     OverrideTopBar {
@@ -113,10 +130,12 @@ fun AppSettingsScreen(navController: NavController) {
     val hasUpdate by UpdateState.hasUpdate
     val updateInfo by UpdateState.updateInfo
     val isChecking by UpdateState.isChecking
+    var showSourceDialog by remember { mutableStateOf(false) }
+    var currentSource by remember { mutableStateOf(Settings.updateSource) }
     var showTrackDialog by remember { mutableStateOf(false) }
     var currentTrack by remember { mutableStateOf(Settings.updateTrack) }
     var checkUpdateEnabled by remember { mutableStateOf(Settings.checkUpdateEnabled) }
-    var showErrorDialog by remember { mutableStateOf<Int?>(null) }
+    var showErrorDialog by remember { mutableStateOf<String?>(null) }
 
     var silentInstallEnabled by remember { mutableStateOf(Settings.silentInstallEnabled) }
     var silentInstallMethod by remember { mutableStateOf(Settings.silentInstallMethod) }
@@ -132,6 +151,7 @@ fun AppSettingsScreen(navController: NavController) {
     var downloadJob by remember { mutableStateOf<Job?>(null) }
     var downloadError by remember { mutableStateOf<String?>(null) }
     var showUpdateAvailableDialog by remember { mutableStateOf(false) }
+    var showVersionMenu by remember { mutableStateOf(false) }
 
     var notificationEnabled by remember { mutableStateOf(true) }
     var dynamicNotification by remember { mutableStateOf(Settings.dynamicNotification) }
@@ -144,8 +164,22 @@ fun AppSettingsScreen(navController: NavController) {
         mutableStateOf(if (appLocales.isEmpty) "" else appLocales.toLanguageTags())
     }
 
+    var cacheSize by remember { mutableStateOf(0L) }
+    var cacheSizeText by remember { mutableStateOf("") }
+
+    fun refreshCacheSize() {
+        scope.launch(Dispatchers.IO) {
+            val size = calculateDirSize(context.cacheDir)
+            withContext(Dispatchers.Main) {
+                cacheSize = size
+                cacheSizeText = Formatter.formatFileSize(context, size)
+            }
+        }
+    }
+
     LaunchedEffect(Unit) {
         HookStatusClient.refresh()
+        refreshCacheSize()
     }
 
     // Re-check states when returning from background (e.g., after granting permission)
@@ -183,6 +217,21 @@ fun AppSettingsScreen(navController: NavController) {
         }
     }
 
+    if (showSourceDialog) {
+        UpdateSourceDialog(
+            currentSource = currentSource,
+            onSourceSelected = { source ->
+                currentSource = source
+                UpdateState.clear()
+                scope.launch(Dispatchers.IO) {
+                    Settings.updateSource = source
+                }
+                showSourceDialog = false
+            },
+            onDismiss = { showSourceDialog = false },
+        )
+    }
+
     if (showTrackDialog) {
         UpdateTrackDialog(
             currentTrack = currentTrack,
@@ -198,11 +247,11 @@ fun AppSettingsScreen(navController: NavController) {
         )
     }
 
-    showErrorDialog?.let { messageRes ->
+    showErrorDialog?.let { message ->
         AlertDialog(
             onDismissRequest = { showErrorDialog = null },
             title = { Text(stringResource(R.string.check_update)) },
-            text = { Text(stringResource(messageRes)) },
+            text = { Text(message) },
             confirmButton = {
                 TextButton(onClick = { showErrorDialog = null }) {
                     Text(stringResource(R.string.ok))
@@ -223,10 +272,22 @@ fun AppSettingsScreen(navController: NavController) {
                             color = MaterialTheme.colorScheme.error,
                         )
                     } else {
-                        Row(verticalAlignment = Alignment.CenterVertically) {
-                            CircularProgressIndicator(modifier = Modifier.size(24.dp))
-                            Spacer(modifier = Modifier.width(12.dp))
-                            Text(stringResource(R.string.downloading))
+                        val progress by UpdateState.downloadProgress
+                        Column {
+                            if (progress != null) {
+                                Text("${stringResource(R.string.downloading)} ${(progress!! * 100).toInt()}%")
+                            } else {
+                                Text(stringResource(R.string.downloading))
+                            }
+                            Spacer(modifier = Modifier.height(8.dp))
+                            if (progress != null) {
+                                LinearProgressIndicator(
+                                    progress = { progress!! },
+                                    modifier = Modifier.fillMaxWidth(),
+                                )
+                            } else {
+                                LinearProgressIndicator(modifier = Modifier.fillMaxWidth())
+                            }
                         }
                     }
                 }
@@ -238,6 +299,7 @@ fun AppSettingsScreen(navController: NavController) {
                         downloadJob = null
                         showDownloadDialog = false
                         downloadError = null
+                        UpdateState.downloadProgress.value = null
                     },
                 ) {
                     Text(stringResource(if (downloadError != null) R.string.ok else android.R.string.cancel))
@@ -381,39 +443,70 @@ fun AppSettingsScreen(navController: NavController) {
             ),
         ) {
             Column {
-                ListItem(
-                    headlineContent = {
-                        Text(
-                            stringResource(R.string.app_version_title),
-                            style = MaterialTheme.typography.bodyLarge,
-                        )
-                    },
-                    supportingContent = {
-                        Text(
-                            BuildConfig.VERSION_NAME,
-                            style = MaterialTheme.typography.bodyMedium,
-                        )
-                    },
-                    leadingContent = {
-                        Icon(
-                            imageVector = Icons.Outlined.Info,
-                            contentDescription = null,
-                            tint = MaterialTheme.colorScheme.primary,
-                        )
-                    },
-                    trailingContent = {
-                        if (hasUpdate) {
-                            Badge(containerColor = MaterialTheme.colorScheme.primary) { Text("New") }
+                Box {
+                    ListItem(
+                        headlineContent = {
+                            Text(
+                                stringResource(R.string.app_version_title),
+                                style = MaterialTheme.typography.bodyLarge,
+                            )
+                        },
+                        supportingContent = {
+                            Text(
+                                BuildConfig.VERSION_NAME,
+                                style = MaterialTheme.typography.bodyMedium,
+                            )
+                        },
+                        leadingContent = {
+                            Icon(
+                                imageVector = Icons.Outlined.Info,
+                                contentDescription = null,
+                                tint = MaterialTheme.colorScheme.primary,
+                            )
+                        },
+                        trailingContent = {
+                            if (hasUpdate) {
+                                Badge(containerColor = MaterialTheme.colorScheme.primary) { Text("New") }
+                            }
+                        },
+                        modifier =
+                        Modifier
+                            .clip(RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp))
+                            .combinedClickable(
+                                onClick = {},
+                                onLongClick = { showVersionMenu = true },
+                            ),
+                        colors =
+                        ListItemDefaults.colors(
+                            containerColor = Color.Transparent,
+                        ),
+                    )
+                    Box(modifier = Modifier.align(Alignment.BottomEnd)) {
+                        DropdownMenu(
+                            expanded = showVersionMenu,
+                            onDismissRequest = { showVersionMenu = false },
+                        ) {
+                            DropdownMenuItem(
+                                text = { Text(stringResource(R.string.per_app_proxy_action_copy)) },
+                                leadingIcon = {
+                                    Icon(
+                                        imageVector = Icons.Filled.ContentCopy,
+                                        contentDescription = null,
+                                    )
+                                },
+                                onClick = {
+                                    clipboardText = BuildConfig.VERSION_NAME
+                                    Toast.makeText(
+                                        context,
+                                        R.string.copied_to_clipboard,
+                                        Toast.LENGTH_SHORT,
+                                    ).show()
+                                    showVersionMenu = false
+                                },
+                            )
                         }
-                    },
-                    modifier =
-                    Modifier
-                        .clip(RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp)),
-                    colors =
-                    ListItemDefaults.colors(
-                        containerColor = Color.Transparent,
-                    ),
-                )
+                    }
+                }
 
                 ListItem(
                     headlineContent = {
@@ -440,13 +533,80 @@ fun AppSettingsScreen(navController: NavController) {
                     },
                     modifier =
                     Modifier
-                        .clip(RoundedCornerShape(bottomStart = 12.dp, bottomEnd = 12.dp))
                         .clickable { showLanguageDialog = true },
                     colors =
                     ListItemDefaults.colors(
                         containerColor = Color.Transparent,
                     ),
                 )
+
+                ListItem(
+                    headlineContent = {
+                        Text(
+                            stringResource(R.string.cache_size),
+                            style = MaterialTheme.typography.bodyLarge,
+                        )
+                    },
+                    supportingContent = {
+                        if (cacheSizeText.isNotEmpty()) {
+                            Text(cacheSizeText, style = MaterialTheme.typography.bodyMedium)
+                        }
+                    },
+                    leadingContent = {
+                        Icon(
+                            imageVector = Icons.Outlined.DeleteSweep,
+                            contentDescription = null,
+                            tint = MaterialTheme.colorScheme.primary,
+                        )
+                    },
+                    modifier =
+                    Modifier
+                        .clip(
+                            if (cacheSize > 0L) {
+                                RoundedCornerShape(0.dp)
+                            } else {
+                                RoundedCornerShape(bottomStart = 12.dp, bottomEnd = 12.dp)
+                            },
+                        ),
+                    colors =
+                    ListItemDefaults.colors(
+                        containerColor = Color.Transparent,
+                    ),
+                )
+
+                if (cacheSize > 0L) {
+                    ListItem(
+                        headlineContent = {
+                            Text(
+                                stringResource(R.string.clear_cache),
+                                style = MaterialTheme.typography.bodyLarge,
+                            )
+                        },
+                        leadingContent = {
+                            Icon(
+                                imageVector = Icons.Outlined.DeleteForever,
+                                contentDescription = null,
+                                tint = MaterialTheme.colorScheme.primary,
+                            )
+                        },
+                        modifier =
+                        Modifier
+                            .clip(RoundedCornerShape(bottomStart = 12.dp, bottomEnd = 12.dp))
+                            .clickable {
+                                scope.launch(Dispatchers.IO) {
+                                    context.cacheDir?.listFiles()?.forEach { it.deleteRecursively() }
+                                    withContext(Dispatchers.Main) {
+                                        cacheSize = 0L
+                                        cacheSizeText = Formatter.formatFileSize(context, 0L)
+                                    }
+                                }
+                            },
+                        colors =
+                        ListItemDefaults.colors(
+                            containerColor = Color.Transparent,
+                        ),
+                    )
+                }
             }
         }
 
@@ -555,14 +715,21 @@ fun AppSettingsScreen(navController: NavController) {
             ),
         ) {
             Column {
+                val isFDroid = UpdateSource.fromString(currentSource) == UpdateSource.FDROID
                 val updateItemCount =
                     run {
                         var count = 0
-                        if (Vendor.supportsTrackSelection()) {
+                        if (Vendor.updateSources.size > 1) {
+                            count += 1
+                        }
+                        if (Vendor.hasCustomUpdate) {
+                            count += 1
+                        }
+                        if (isFDroid) {
                             count += 1
                         }
                         count += 1
-                        if (Vendor.supportsSilentInstall()) {
+                        if (Vendor.hasCustomUpdate) {
                             count += 1
                             if (silentInstallEnabled) {
                                 count += 1
@@ -574,7 +741,7 @@ fun AppSettingsScreen(navController: NavController) {
                                 }
                             }
                         }
-                        if (Vendor.supportsAutoUpdate()) {
+                        if (Vendor.hasCustomUpdate) {
                             count += 1
                         }
                         count
@@ -592,7 +759,39 @@ fun AppSettingsScreen(navController: NavController) {
                     }
                 }
 
-                if (Vendor.supportsTrackSelection()) {
+                if (Vendor.updateSources.size > 1) {
+                    ListItem(
+                        headlineContent = {
+                            Text(
+                                stringResource(R.string.update_source),
+                                style = MaterialTheme.typography.bodyLarge,
+                            )
+                        },
+                        supportingContent = {
+                            val sourceName = when (UpdateSource.fromString(currentSource)) {
+                                UpdateSource.GITHUB -> stringResource(R.string.update_source_github)
+                                UpdateSource.FDROID -> stringResource(R.string.update_source_fdroid)
+                            }
+                            Text(sourceName, style = MaterialTheme.typography.bodyMedium)
+                        },
+                        leadingContent = {
+                            Icon(
+                                imageVector = Icons.Outlined.NewReleases,
+                                contentDescription = null,
+                                tint = MaterialTheme.colorScheme.primary,
+                            )
+                        },
+                        modifier =
+                        updateItemModifier()
+                            .clickable { showSourceDialog = true },
+                        colors =
+                        ListItemDefaults.colors(
+                            containerColor = Color.Transparent,
+                        ),
+                    )
+                }
+
+                if (Vendor.hasCustomUpdate) {
                     ListItem(
                         headlineContent = {
                             Text(
@@ -601,9 +800,13 @@ fun AppSettingsScreen(navController: NavController) {
                             )
                         },
                         supportingContent = {
-                            val trackName = when (UpdateTrack.fromString(currentTrack)) {
-                                UpdateTrack.STABLE -> stringResource(R.string.update_track_stable)
-                                UpdateTrack.BETA -> stringResource(R.string.update_track_beta)
+                            val trackName = if (isFDroid) {
+                                stringResource(R.string.update_track_stable)
+                            } else {
+                                when (UpdateTrack.fromString(currentTrack)) {
+                                    UpdateTrack.STABLE -> stringResource(R.string.update_track_stable)
+                                    UpdateTrack.BETA -> stringResource(R.string.update_track_beta)
+                                }
                             }
                             Text(trackName, style = MaterialTheme.typography.bodyMedium)
                         },
@@ -615,8 +818,63 @@ fun AppSettingsScreen(navController: NavController) {
                             )
                         },
                         modifier =
+                        updateItemModifier().let {
+                            if (isFDroid) it.alpha(0.38f) else it.clickable { showTrackDialog = true }
+                        },
+                        colors =
+                        ListItemDefaults.colors(
+                            containerColor = Color.Transparent,
+                        ),
+                    )
+                }
+
+                if (isFDroid) {
+                    ListItem(
+                        headlineContent = {
+                            Text(
+                                stringResource(R.string.fdroid_mirror),
+                                style = MaterialTheme.typography.bodyLarge,
+                            )
+                        },
+                        supportingContent = {
+                            val mirrorUrl = Settings.fdroidMirrorUrl
+                            val mirrorName = remember(mirrorUrl) {
+                                val iter = getFDroidMirrors()
+                                var name: String? = null
+                                while (iter.hasNext()) {
+                                    val m = iter.next()
+                                    if (m.url == mirrorUrl) {
+                                        name = m.name
+                                        break
+                                    }
+                                }
+                                if (name == null) {
+                                    val customMirrors = Settings.fdroidCustomMirrors
+                                    for (entry in customMirrors) {
+                                        val parts = entry.split("|", limit = 2)
+                                        if (parts.size == 2 && parts[1] == mirrorUrl) {
+                                            name = parts[0]
+                                            break
+                                        }
+                                    }
+                                }
+                                name ?: mirrorUrl
+                            }
+                            Text(
+                                mirrorName,
+                                style = MaterialTheme.typography.bodyMedium,
+                            )
+                        },
+                        leadingContent = {
+                            Icon(
+                                imageVector = Icons.Outlined.Speed,
+                                contentDescription = null,
+                                tint = MaterialTheme.colorScheme.primary,
+                            )
+                        },
+                        modifier =
                         updateItemModifier()
-                            .clickable { showTrackDialog = true },
+                            .clickable { navController.navigate("settings/fdroid_mirror") },
                         colors =
                         ListItemDefaults.colors(
                             containerColor = Color.Transparent,
@@ -656,7 +914,7 @@ fun AppSettingsScreen(navController: NavController) {
                     ),
                 )
 
-                if (Vendor.supportsSilentInstall()) {
+                if (Vendor.hasCustomUpdate) {
                     ListItem(
                         headlineContent = {
                             Text(
@@ -836,7 +1094,7 @@ fun AppSettingsScreen(navController: NavController) {
                     }
                 }
 
-                if (Vendor.supportsAutoUpdate()) {
+                if (Vendor.hasCustomUpdate) {
                     ListItem(
                         headlineContent = {
                             Text(
@@ -940,15 +1198,17 @@ fun AppSettingsScreen(navController: NavController) {
                                         val result = Vendor.checkUpdateAsync()
                                         UpdateState.setUpdate(result)
                                         if (result == null) {
-                                            showErrorDialog = R.string.no_updates_available
+                                            showErrorDialog = context.getString(R.string.no_updates_available)
                                         } else {
                                             showUpdateAvailableDialog = true
                                         }
                                     } catch (_: UpdateCheckException.TrackNotSupported) {
                                         UpdateState.setUpdate(null)
-                                        showErrorDialog = R.string.update_track_not_supported
-                                    } catch (_: Exception) {
+                                        showErrorDialog = context.getString(R.string.update_track_not_supported)
+                                    } catch (e: Exception) {
+                                        Log.e("AppSettingsScreen", "checkUpdateAsync failed", e)
                                         UpdateState.setUpdate(null)
+                                        showErrorDialog = e.message
                                     }
                                 }
                                 UpdateState.isChecking.value = false
@@ -998,6 +1258,53 @@ fun AppSettingsScreen(navController: NavController) {
     }
 }
 
+@Composable
+private fun UpdateSourceDialog(
+    currentSource: String,
+    onSourceSelected: (String) -> Unit,
+    onDismiss: () -> Unit,
+) {
+    val sources = listOf(
+        "github" to stringResource(R.string.update_source_github),
+        "fdroid" to stringResource(R.string.update_source_fdroid),
+    )
+
+    AlertDialog(
+        onDismissRequest = onDismiss,
+        title = { Text(stringResource(R.string.update_source)) },
+        text = {
+            Column {
+                sources.forEach { (value, label) ->
+                    Row(
+                        modifier =
+                        Modifier
+                            .fillMaxWidth()
+                            .clip(RoundedCornerShape(8.dp))
+                            .clickable { onSourceSelected(value) }
+                            .padding(vertical = 8.dp),
+                        verticalAlignment = Alignment.CenterVertically,
+                    ) {
+                        RadioButton(
+                            selected = currentSource == value,
+                            onClick = { onSourceSelected(value) },
+                        )
+                        Text(
+                            text = label,
+                            style = MaterialTheme.typography.bodyLarge,
+                            modifier = Modifier.padding(start = 8.dp),
+                        )
+                    }
+                }
+            }
+        },
+        confirmButton = {
+            TextButton(onClick = onDismiss) {
+                Text(stringResource(android.R.string.cancel))
+            }
+        },
+    )
+}
+
 @Composable
 private fun UpdateTrackDialog(
     currentTrack: String,
@@ -1108,6 +1415,15 @@ private fun LanguageDialog(
     )
 }
 
+private fun calculateDirSize(dir: File?): Long {
+    if (dir == null || !dir.exists()) return 0
+    var size = 0L
+    dir.listFiles()?.forEach { file ->
+        size += if (file.isDirectory) calculateDirSize(file) else file.length()
+    }
+    return size
+}
+
 private fun getSupportedLocales(context: Context): List<Locale> {
     if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
         val localeConfig = LocaleConfig(context)

app/src/main/java/io/nekohasekai/sfa/compose/screen/settings/CoreSettingsScreen.kt

@@ -5,8 +5,11 @@ import android.content.Context
 import android.content.Intent
 import android.provider.DocumentsContract
 import android.widget.Toast
+import androidx.compose.foundation.ExperimentalFoundationApi
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
+import androidx.compose.foundation.combinedClickable
+import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.Spacer
 import androidx.compose.foundation.layout.fillMaxSize
@@ -18,6 +21,7 @@ import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.filled.ContentCopy
 import androidx.compose.material.icons.outlined.DeleteForever
 import androidx.compose.material.icons.outlined.FolderOpen
 import androidx.compose.material.icons.outlined.Info
@@ -25,6 +29,8 @@ import androidx.compose.material.icons.outlined.Storage
 import androidx.compose.material.icons.outlined.WarningAmber
 import androidx.compose.material3.Card
 import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.DropdownMenu
+import androidx.compose.material3.DropdownMenuItem
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
@@ -41,6 +47,7 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
@@ -52,11 +59,12 @@ import io.nekohasekai.libbox.Libbox
 import io.nekohasekai.sfa.R
 import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
 import io.nekohasekai.sfa.database.Settings
+import io.nekohasekai.sfa.ktx.clipboardText
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
 
-@OptIn(ExperimentalMaterial3Api::class)
+@OptIn(ExperimentalMaterial3Api::class, ExperimentalFoundationApi::class)
 @Composable
 fun CoreSettingsScreen(navController: NavController) {
     OverrideTopBar {
@@ -77,6 +85,7 @@ fun CoreSettingsScreen(navController: NavController) {
     val scope = rememberCoroutineScope()
     var dataSize by remember { mutableStateOf("") }
     val version = remember { Libbox.version() }
+    var showVersionMenu by remember { mutableStateOf(false) }
     var disableDeprecatedWarnings by remember { mutableStateOf(Settings.disableDeprecatedWarnings) }
 
     // Calculate data size on launch
@@ -114,34 +123,66 @@ fun CoreSettingsScreen(navController: NavController) {
         ) {
             Column {
                 // Version Info
-                ListItem(
-                    headlineContent = {
-                        Text(
-                            stringResource(R.string.core_version_title),
-                            style = MaterialTheme.typography.bodyLarge,
-                        )
-                    },
-                    supportingContent = {
-                        Text(
-                            version,
-                            style = MaterialTheme.typography.bodyMedium,
-                            color = MaterialTheme.colorScheme.onSurfaceVariant,
-                            modifier = Modifier.padding(top = 4.dp),
-                        )
-                    },
-                    leadingContent = {
-                        Icon(
-                            imageVector = Icons.Outlined.Info,
-                            contentDescription = null,
-                            tint = MaterialTheme.colorScheme.primary,
-                        )
-                    },
-                    modifier = Modifier.clip(RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp)),
-                    colors =
-                    ListItemDefaults.colors(
-                        containerColor = Color.Transparent,
-                    ),
-                )
+                Box {
+                    ListItem(
+                        headlineContent = {
+                            Text(
+                                stringResource(R.string.core_version_title),
+                                style = MaterialTheme.typography.bodyLarge,
+                            )
+                        },
+                        supportingContent = {
+                            Text(
+                                version,
+                                style = MaterialTheme.typography.bodyMedium,
+                                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                                modifier = Modifier.padding(top = 4.dp),
+                            )
+                        },
+                        leadingContent = {
+                            Icon(
+                                imageVector = Icons.Outlined.Info,
+                                contentDescription = null,
+                                tint = MaterialTheme.colorScheme.primary,
+                            )
+                        },
+                        modifier = Modifier
+                            .clip(RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp))
+                            .combinedClickable(
+                                onClick = {},
+                                onLongClick = { showVersionMenu = true },
+                            ),
+                        colors =
+                        ListItemDefaults.colors(
+                            containerColor = Color.Transparent,
+                        ),
+                    )
+                    Box(modifier = Modifier.align(Alignment.BottomEnd)) {
+                        DropdownMenu(
+                            expanded = showVersionMenu,
+                            onDismissRequest = { showVersionMenu = false },
+                        ) {
+                            DropdownMenuItem(
+                                text = { Text(stringResource(R.string.per_app_proxy_action_copy)) },
+                                leadingIcon = {
+                                    Icon(
+                                        imageVector = Icons.Filled.ContentCopy,
+                                        contentDescription = null,
+                                    )
+                                },
+                                onClick = {
+                                    clipboardText = version
+                                    Toast.makeText(
+                                        context,
+                                        R.string.copied_to_clipboard,
+                                        Toast.LENGTH_SHORT,
+                                    ).show()
+                                    showVersionMenu = false
+                                },
+                            )
+                        }
+                    }
+                }
 
                 // Data Size
                 ListItem(
@@ -181,57 +222,58 @@ fun CoreSettingsScreen(navController: NavController) {
             }
         }
 
-        // Options Section
-        Spacer(modifier = Modifier.height(16.dp))
+        if (version.contains("-")) {
+            Spacer(modifier = Modifier.height(16.dp))
 
-        Text(
-            text = stringResource(R.string.options),
-            style = MaterialTheme.typography.labelLarge,
-            color = MaterialTheme.colorScheme.primary,
-            modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
-        )
-
-        Card(
-            modifier =
-            Modifier
-                .fillMaxWidth()
-                .padding(horizontal = 16.dp),
-            colors =
-            CardDefaults.cardColors(
-                containerColor = MaterialTheme.colorScheme.surfaceContainer,
-            ),
-        ) {
-            ListItem(
-                headlineContent = {
-                    Text(
-                        stringResource(R.string.disable_deprecated_warnings),
-                        style = MaterialTheme.typography.bodyLarge,
-                    )
-                },
-                leadingContent = {
-                    Icon(
-                        imageVector = Icons.Outlined.WarningAmber,
-                        contentDescription = null,
-                        tint = MaterialTheme.colorScheme.primary,
-                    )
-                },
-                trailingContent = {
-                    Switch(
-                        checked = disableDeprecatedWarnings,
-                        onCheckedChange = { checked ->
-                            disableDeprecatedWarnings = checked
-                            scope.launch(Dispatchers.IO) {
-                                Settings.disableDeprecatedWarnings = checked
-                            }
-                        },
-                    )
-                },
-                modifier = Modifier.clip(RoundedCornerShape(12.dp)),
-                colors =
-                ListItemDefaults.colors(
-                    containerColor = Color.Transparent,
-                ),
+            Text(
+                text = stringResource(R.string.beta_settings),
+                style = MaterialTheme.typography.labelLarge,
+                color = MaterialTheme.colorScheme.primary,
+                modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
             )
+
+            Card(
+                modifier =
+                Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp),
+                colors =
+                CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                ),
+            ) {
+                ListItem(
+                    headlineContent = {
+                        Text(
+                            stringResource(R.string.disable_deprecated_warnings),
+                            style = MaterialTheme.typography.bodyLarge,
+                        )
+                    },
+                    leadingContent = {
+                        Icon(
+                            imageVector = Icons.Outlined.WarningAmber,
+                            contentDescription = null,
+                            tint = MaterialTheme.colorScheme.primary,
+                        )
+                    },
+                    trailingContent = {
+                        Switch(
+                            checked = disableDeprecatedWarnings,
+                            onCheckedChange = { checked ->
+                                disableDeprecatedWarnings = checked
+                                scope.launch(Dispatchers.IO) {
+                                    Settings.disableDeprecatedWarnings = checked
+                                }
+                            },
+                        )
+                    },
+                    modifier = Modifier.clip(RoundedCornerShape(12.dp)),
+                    colors =
+                    ListItemDefaults.colors(
+                        containerColor = Color.Transparent,
+                    ),
+                )
+            }
         }
 
         // Working Directory Section

app/src/main/java/io/nekohasekai/sfa/compose/screen/settings/FDroidMirrorScreen.kt

@@ -0,0 +1,458 @@
+package io.nekohasekai.sfa.compose.screen.settings
+
+import android.webkit.URLUtil
+import androidx.compose.foundation.background
+import androidx.compose.foundation.clickable
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.layout.size
+import androidx.compose.foundation.layout.width
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.automirrored.filled.ArrowBack
+import androidx.compose.material.icons.outlined.Add
+import androidx.compose.material.icons.outlined.Delete
+import androidx.compose.material.icons.outlined.Speed
+import androidx.compose.material3.Button
+import androidx.compose.material3.Card
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.CircularProgressIndicator
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.FilledTonalButton
+import androidx.compose.material3.Icon
+import androidx.compose.material3.IconButton
+import androidx.compose.material3.ListItem
+import androidx.compose.material3.ListItemDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.RadioButton
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateMapOf
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.style.TextOverflow
+import androidx.compose.ui.unit.dp
+import androidx.navigation.NavController
+import io.nekohasekai.libbox.Libbox
+import io.nekohasekai.libbox.getFDroidMirrors
+import io.nekohasekai.libbox.pingFDroidMirror
+import io.nekohasekai.sfa.R
+import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import io.nekohasekai.sfa.database.Settings
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.async
+import kotlinx.coroutines.awaitAll
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+private data class MirrorEntry(
+    val url: String,
+    val name: String,
+    val country: String,
+    val isCustom: Boolean = false,
+)
+
+@OptIn(ExperimentalMaterial3Api::class)
+@Composable
+fun FDroidMirrorScreen(navController: NavController) {
+    OverrideTopBar {
+        TopAppBar(
+            title = { Text(stringResource(R.string.fdroid_mirror)) },
+            navigationIcon = {
+                IconButton(onClick = { navController.navigateUp() }) {
+                    Icon(
+                        imageVector = Icons.AutoMirrored.Filled.ArrowBack,
+                        contentDescription = stringResource(R.string.content_description_back),
+                    )
+                }
+            },
+        )
+    }
+
+    val scope = rememberCoroutineScope()
+    var selectedMirrorUrl by remember { mutableStateOf(Settings.fdroidMirrorUrl) }
+    var isTesting by remember { mutableStateOf(false) }
+    val latencyResults = remember { mutableStateMapOf<String, Int>() }
+    val latencyErrors = remember { mutableStateMapOf<String, Boolean>() }
+    var showAddForm by remember { mutableStateOf(false) }
+    var newMirrorName by remember { mutableStateOf("") }
+    var newMirrorUrl by remember { mutableStateOf("") }
+    var urlError by remember { mutableStateOf<String?>(null) }
+    val invalidUrlMessage = stringResource(R.string.fdroid_mirror_invalid_url)
+    var customMirrors by remember { mutableStateOf(Settings.fdroidCustomMirrors) }
+
+    val builtinMirrors = remember {
+        val mirrors = mutableListOf<MirrorEntry>()
+        val iter = getFDroidMirrors()
+        while (iter.hasNext()) {
+            val m = iter.next()
+            mirrors.add(MirrorEntry(url = m.url, name = m.name, country = m.country))
+        }
+        mirrors
+    }
+
+    val parsedCustomMirrors = remember(customMirrors) {
+        customMirrors.map { entry ->
+            val parts = entry.split("|", limit = 2)
+            if (parts.size == 2) {
+                MirrorEntry(url = parts[1], name = parts[0], country = "", isCustom = true)
+            } else {
+                MirrorEntry(url = entry, name = entry, country = "", isCustom = true)
+            }
+        }
+    }
+
+    val allMirrors = builtinMirrors + parsedCustomMirrors
+
+    fun selectMirror(url: String) {
+        selectedMirrorUrl = url
+        Settings.fdroidMirrorUrl = url
+    }
+
+    fun testAllMirrors() {
+        isTesting = true
+        latencyResults.clear()
+        latencyErrors.clear()
+        scope.launch {
+            allMirrors.map { mirror ->
+                async(Dispatchers.IO) {
+                    val r = pingFDroidMirror(mirror.url)
+                    withContext(Dispatchers.Main) {
+                        if (r.latencyMs < 0) {
+                            latencyErrors[r.url] = true
+                        } else {
+                            latencyResults[r.url] = r.latencyMs
+                        }
+                    }
+                }
+            }.awaitAll()
+            val fastest = latencyResults.minByOrNull { it.value }
+            if (fastest != null) {
+                selectMirror(fastest.key)
+            }
+            isTesting = false
+        }
+    }
+
+    val grouped = remember(builtinMirrors) {
+        builtinMirrors.groupBy { it.country }
+    }
+    val countryOrder = remember(grouped) { grouped.keys.toList() }
+
+    Column(
+        modifier = Modifier
+            .fillMaxSize()
+            .background(MaterialTheme.colorScheme.surface)
+            .verticalScroll(rememberScrollState())
+            .padding(vertical = 8.dp),
+    ) {
+        FilledTonalButton(
+            onClick = { testAllMirrors() },
+            enabled = !isTesting,
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp),
+        ) {
+            if (isTesting) {
+                CircularProgressIndicator(
+                    modifier = Modifier.size(18.dp),
+                    strokeWidth = 2.dp,
+                )
+                Spacer(modifier = Modifier.width(8.dp))
+                Text(stringResource(R.string.fdroid_mirror_testing))
+            } else {
+                Icon(
+                    imageVector = Icons.Outlined.Speed,
+                    contentDescription = null,
+                    modifier = Modifier.size(18.dp),
+                )
+                Spacer(modifier = Modifier.width(8.dp))
+                Text(stringResource(R.string.fdroid_mirror_test_all))
+            }
+        }
+
+        Spacer(modifier = Modifier.height(8.dp))
+
+        countryOrder.forEach { country ->
+            val mirrors = grouped[country] ?: return@forEach
+
+            Text(
+                text = country,
+                style = MaterialTheme.typography.labelLarge,
+                color = MaterialTheme.colorScheme.primary,
+                modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
+            )
+
+            Card(
+                modifier = Modifier
+                    .fillMaxWidth()
+                    .padding(horizontal = 16.dp),
+                colors = CardDefaults.cardColors(
+                    containerColor = MaterialTheme.colorScheme.surfaceContainer,
+                ),
+            ) {
+                Column {
+                    mirrors.forEachIndexed { index, mirror ->
+                        val shape = when {
+                            mirrors.size == 1 -> RoundedCornerShape(12.dp)
+                            index == 0 -> RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp)
+                            index == mirrors.lastIndex -> RoundedCornerShape(
+                                bottomStart = 12.dp,
+                                bottomEnd = 12.dp,
+                            )
+                            else -> RoundedCornerShape(0.dp)
+                        }
+                        ListItem(
+                            headlineContent = {
+                                Text(
+                                    mirror.name,
+                                    style = MaterialTheme.typography.bodyLarge,
+                                )
+                            },
+                            leadingContent = {
+                                RadioButton(
+                                    selected = selectedMirrorUrl == mirror.url,
+                                    onClick = { selectMirror(mirror.url) },
+                                )
+                            },
+                            trailingContent = {
+                                LatencyBadge(
+                                    url = mirror.url,
+                                    latencyResults = latencyResults,
+                                    latencyErrors = latencyErrors,
+                                )
+                            },
+                            modifier = Modifier
+                                .clip(shape)
+                                .clickable { selectMirror(mirror.url) },
+                            colors = ListItemDefaults.colors(
+                                containerColor = Color.Transparent,
+                            ),
+                        )
+                    }
+                }
+            }
+
+            Spacer(modifier = Modifier.height(8.dp))
+        }
+
+        Text(
+            text = stringResource(R.string.fdroid_mirror_custom),
+            style = MaterialTheme.typography.labelLarge,
+            color = MaterialTheme.colorScheme.primary,
+            modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
+        )
+
+        Card(
+            modifier = Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp),
+            colors = CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.surfaceContainer,
+            ),
+        ) {
+            Column {
+                parsedCustomMirrors.forEachIndexed { index, mirror ->
+                    val isLast = index == parsedCustomMirrors.lastIndex && !showAddForm
+                    val shape = when {
+                        index == 0 && isLast -> RoundedCornerShape(12.dp)
+                        index == 0 -> RoundedCornerShape(topStart = 12.dp, topEnd = 12.dp)
+                        isLast -> RoundedCornerShape(
+                            bottomStart = 12.dp,
+                            bottomEnd = 12.dp,
+                        )
+                        else -> RoundedCornerShape(0.dp)
+                    }
+                    ListItem(
+                        headlineContent = {
+                            Text(
+                                mirror.name,
+                                style = MaterialTheme.typography.bodyLarge,
+                            )
+                        },
+                        supportingContent = {
+                            Text(
+                                mirror.url,
+                                style = MaterialTheme.typography.bodySmall,
+                                color = MaterialTheme.colorScheme.onSurfaceVariant,
+                                maxLines = 1,
+                                overflow = TextOverflow.Ellipsis,
+                            )
+                        },
+                        leadingContent = {
+                            RadioButton(
+                                selected = selectedMirrorUrl == mirror.url,
+                                onClick = { selectMirror(mirror.url) },
+                            )
+                        },
+                        trailingContent = {
+                            Row(verticalAlignment = Alignment.CenterVertically) {
+                                LatencyBadge(
+                                    url = mirror.url,
+                                    latencyResults = latencyResults,
+                                    latencyErrors = latencyErrors,
+                                )
+                                IconButton(onClick = {
+                                    val encoded = "${mirror.name}|${mirror.url}"
+                                    val newSet = customMirrors.toMutableSet()
+                                    newSet.remove(encoded)
+                                    customMirrors = newSet
+                                    Settings.fdroidCustomMirrors = newSet
+                                    if (selectedMirrorUrl == mirror.url) {
+                                        selectMirror("https://f-droid.org/repo")
+                                    }
+                                }) {
+                                    Icon(
+                                        imageVector = Icons.Outlined.Delete,
+                                        contentDescription = stringResource(R.string.fdroid_mirror_delete),
+                                        tint = MaterialTheme.colorScheme.error,
+                                    )
+                                }
+                            }
+                        },
+                        modifier = Modifier
+                            .clip(shape)
+                            .clickable { selectMirror(mirror.url) },
+                        colors = ListItemDefaults.colors(
+                            containerColor = Color.Transparent,
+                        ),
+                    )
+                }
+
+                if (showAddForm) {
+                    Column(
+                        modifier = Modifier
+                            .fillMaxWidth()
+                            .padding(16.dp),
+                        verticalArrangement = Arrangement.spacedBy(8.dp),
+                    ) {
+                        OutlinedTextField(
+                            value = newMirrorName,
+                            onValueChange = { newMirrorName = it },
+                            label = { Text(stringResource(R.string.fdroid_mirror_name_hint)) },
+                            singleLine = true,
+                            modifier = Modifier.fillMaxWidth(),
+                        )
+                        OutlinedTextField(
+                            value = newMirrorUrl,
+                            onValueChange = {
+                                newMirrorUrl = it
+                                urlError = null
+                            },
+                            label = { Text(stringResource(R.string.fdroid_mirror_url_hint)) },
+                            singleLine = true,
+                            isError = urlError != null,
+                            supportingText = urlError?.let { { Text(it) } },
+                            modifier = Modifier.fillMaxWidth(),
+                        )
+                        Row(
+                            modifier = Modifier.fillMaxWidth(),
+                            horizontalArrangement = Arrangement.End,
+                            verticalAlignment = Alignment.CenterVertically,
+                        ) {
+                            Button(onClick = {
+                                val url = newMirrorUrl.trim().trimEnd('/')
+                                if (!URLUtil.isHttpsUrl(url)) {
+                                    urlError = invalidUrlMessage
+                                    return@Button
+                                }
+                                val name = newMirrorName.trim().ifEmpty { url }
+                                val encoded = "$name|$url"
+                                val newSet = customMirrors.toMutableSet()
+                                newSet.add(encoded)
+                                customMirrors = newSet
+                                Settings.fdroidCustomMirrors = newSet
+                                newMirrorName = ""
+                                newMirrorUrl = ""
+                                urlError = null
+                                showAddForm = false
+                            }) {
+                                Text(stringResource(R.string.fdroid_mirror_add_action))
+                            }
+                        }
+                    }
+                } else {
+                    ListItem(
+                        headlineContent = {
+                            Text(
+                                stringResource(R.string.fdroid_mirror_add),
+                                style = MaterialTheme.typography.bodyLarge,
+                                color = MaterialTheme.colorScheme.primary,
+                            )
+                        },
+                        leadingContent = {
+                            Icon(
+                                imageVector = Icons.Outlined.Add,
+                                contentDescription = null,
+                                tint = MaterialTheme.colorScheme.primary,
+                            )
+                        },
+                        modifier = Modifier
+                            .clip(
+                                if (parsedCustomMirrors.isEmpty()) {
+                                    RoundedCornerShape(12.dp)
+                                } else {
+                                    RoundedCornerShape(bottomStart = 12.dp, bottomEnd = 12.dp)
+                                },
+                            )
+                            .clickable { showAddForm = true },
+                        colors = ListItemDefaults.colors(
+                            containerColor = Color.Transparent,
+                        ),
+                    )
+                }
+            }
+        }
+
+        Spacer(modifier = Modifier.height(16.dp))
+    }
+}
+
+@Composable
+private fun LatencyBadge(
+    url: String,
+    latencyResults: Map<String, Int>,
+    latencyErrors: Map<String, Boolean>,
+) {
+    val latency = latencyResults[url]
+    val failed = latencyErrors[url] == true
+    when {
+        latency != null -> {
+            Text(
+                text = stringResource(R.string.fdroid_mirror_latency, latency),
+                style = MaterialTheme.typography.labelMedium,
+                color = when {
+                    latency < 100 -> MaterialTheme.colorScheme.primary
+                    latency < 500 -> MaterialTheme.colorScheme.onSurfaceVariant
+                    else -> MaterialTheme.colorScheme.error
+                },
+            )
+        }
+        failed -> {
+            Text(
+                text = stringResource(R.string.fdroid_mirror_failed),
+                style = MaterialTheme.typography.labelMedium,
+                color = MaterialTheme.colorScheme.error,
+            )
+        }
+        else -> {}
+    }
+}

app/src/main/java/io/nekohasekai/sfa/compose/screen/settings/ServiceSettingsScreen.kt

@@ -16,6 +16,8 @@ import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.height
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.text.ClickableText
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.material.icons.Icons
 import androidx.compose.material.icons.automirrored.filled.ArrowBack
@@ -26,8 +28,11 @@ import androidx.compose.material3.CardDefaults
 import androidx.compose.material3.ExperimentalMaterial3Api
 import androidx.compose.material3.Icon
 import androidx.compose.material3.IconButton
+import androidx.compose.material3.ListItem
+import androidx.compose.material3.ListItemDefaults
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.Switch
 import androidx.compose.material3.Text
 import androidx.compose.material3.TopAppBar
 import androidx.compose.runtime.Composable
@@ -35,18 +40,28 @@ import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.draw.clip
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.SpanStyle
+import androidx.compose.ui.text.buildAnnotatedString
 import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextDecoration
+import androidx.compose.ui.text.withStyle
 import androidx.compose.ui.unit.dp
 import androidx.navigation.NavController
 import io.nekohasekai.sfa.R
 import io.nekohasekai.sfa.bg.ServiceConnection
 import io.nekohasekai.sfa.compose.topbar.OverrideTopBar
+import io.nekohasekai.sfa.database.Settings
 import io.nekohasekai.sfa.ktx.launchCustomTab
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
 
 @OptIn(ExperimentalMaterial3Api::class)
 @Composable
@@ -66,14 +81,13 @@ fun ServiceSettingsScreen(navController: NavController, serviceConnection: Servi
     }
 
     val context = LocalContext.current
-    // Check battery optimization status
+    val scope = rememberCoroutineScope()
     var isBatteryOptimizationIgnored by remember { mutableStateOf(false) }
-    // Activity result launcher for battery optimization permission
+    var allowBypass by remember { mutableStateOf(Settings.allowBypass) }
     val requestBatteryOptimizationLauncher =
         rememberLauncherForActivityResult(
             ActivityResultContracts.StartActivityForResult(),
         ) { _ ->
-            // Recheck the status after returning from settings
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
                 val pm = context.getSystemService(PowerManager::class.java)
                 isBatteryOptimizationIgnored =
@@ -81,7 +95,6 @@ fun ServiceSettingsScreen(navController: NavController, serviceConnection: Servi
             }
         }
 
-    // Check battery optimization status on launch
     LaunchedEffect(Unit) {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
             val pm = context.getSystemService(PowerManager::class.java)
@@ -100,7 +113,6 @@ fun ServiceSettingsScreen(navController: NavController, serviceConnection: Servi
             .verticalScroll(rememberScrollState())
             .padding(vertical = 8.dp),
     ) {
-        // Background Permission Card (only show if battery optimization is not ignored)
         if (!isBatteryOptimizationIgnored && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
             Card(
                 modifier =
@@ -171,6 +183,93 @@ fun ServiceSettingsScreen(navController: NavController, serviceConnection: Servi
             }
         }
 
+        // VPN Section
+        Spacer(modifier = Modifier.height(16.dp))
+
+        Text(
+            text = "VPN",
+            style = MaterialTheme.typography.labelLarge,
+            color = MaterialTheme.colorScheme.primary,
+            modifier = Modifier.padding(horizontal = 32.dp, vertical = 8.dp),
+        )
+
+        Card(
+            modifier =
+            Modifier
+                .fillMaxWidth()
+                .padding(horizontal = 16.dp),
+            colors =
+            CardDefaults.cardColors(
+                containerColor = MaterialTheme.colorScheme.surfaceContainer,
+            ),
+        ) {
+            val descriptionText = stringResource(R.string.allow_bypass_description)
+            val linkText = stringResource(R.string.android_documentation)
+            val linkColor = MaterialTheme.colorScheme.primary
+            val textColor = MaterialTheme.colorScheme.onSurfaceVariant
+            val textStyle = MaterialTheme.typography.bodyMedium
+
+            ListItem(
+                headlineContent = {
+                    Text(
+                        stringResource(R.string.allow_bypass),
+                        style = MaterialTheme.typography.bodyLarge,
+                    )
+                },
+                supportingContent = {
+                    val annotatedString = buildAnnotatedString {
+                        withStyle(SpanStyle(color = textColor)) {
+                            append(descriptionText)
+                        }
+                        append("\n\n")
+                        pushStringAnnotation(tag = "URL", annotation = ALLOW_BYPASS_DOC_URL)
+                        withStyle(
+                            SpanStyle(
+                                color = linkColor,
+                                textDecoration = TextDecoration.Underline,
+                            ),
+                        ) {
+                            append(linkText)
+                        }
+                        pop()
+                    }
+                    ClickableText(
+                        text = annotatedString,
+                        style = textStyle,
+                        modifier = Modifier.padding(top = 4.dp),
+                        onClick = { offset ->
+                            annotatedString.getStringAnnotations(
+                                tag = "URL",
+                                start = offset,
+                                end = offset,
+                            ).firstOrNull()?.let {
+                                context.launchCustomTab(it.item)
+                            }
+                        },
+                    )
+                },
+                trailingContent = {
+                    Switch(
+                        checked = allowBypass,
+                        onCheckedChange = { checked ->
+                            allowBypass = checked
+                            scope.launch(Dispatchers.IO) {
+                                Settings.allowBypass = checked
+                            }
+                        },
+                    )
+                },
+                modifier = Modifier.clip(RoundedCornerShape(12.dp)),
+                colors =
+                ListItemDefaults.colors(
+                    containerColor = Color.Transparent,
+                ),
+            )
+        }
+
         Spacer(modifier = Modifier.height(16.dp))
     }
 }
+
+private const val ALLOW_BYPASS_DOC_URL =
+    "https://developer.android.com/reference/android/net/VpnService.Builder#allowBypass()"

app/src/main/java/io/nekohasekai/sfa/compose/screen/settings/SettingsScreen.kt

@@ -1,7 +1,5 @@
 package io.nekohasekai.sfa.compose.screen.settings
 
-import android.os.Build
-import android.os.PowerManager
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.layout.Column
@@ -37,10 +35,7 @@ import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.collectAsState
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
 import androidx.compose.runtime.rememberCoroutineScope
-import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.graphics.Color
@@ -70,15 +65,8 @@ fun SettingsScreen(navController: NavController) {
     val hookStatus by HookStatusClient.status.collectAsState()
     val hasPendingPrivilegeDowngrade = HookModuleUpdateNotifier.isDowngrade(hookStatus)
     val hasPendingPrivilegeUpdate = HookModuleUpdateNotifier.isUpgrade(hookStatus)
-    var isBatteryOptimizationIgnored by remember { mutableStateOf(true) }
-
     LaunchedEffect(Unit) {
         HookStatusClient.refresh()
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-            val pm = context.getSystemService(PowerManager::class.java)
-            isBatteryOptimizationIgnored =
-                pm?.isIgnoringBatteryOptimizations(context.packageName) == true
-        }
     }
 
     Column(
@@ -167,11 +155,6 @@ fun SettingsScreen(navController: NavController) {
                             tint = MaterialTheme.colorScheme.primary,
                         )
                     },
-                    trailingContent = {
-                        if (!isBatteryOptimizationIgnored) {
-                            Badge(containerColor = MaterialTheme.colorScheme.primary)
-                        }
-                    },
                     modifier = Modifier.clickable { navController.navigate("settings/service") },
                     colors =
                     ListItemDefaults.colors(

app/src/main/java/io/nekohasekai/sfa/constant/SettingsKey.kt

@@ -5,7 +5,10 @@ object SettingsKey {
     const val SERVICE_MODE = "service_mode"
     const val CHECK_UPDATE_ENABLED = "check_update_enabled"
     const val UPDATE_CHECK_PROMPTED = "update_check_prompted"
+    const val UPDATE_SOURCE = "update_source"
     const val UPDATE_TRACK = "update_track"
+    const val FDROID_MIRROR_URL = "fdroid_mirror_url"
+    const val FDROID_CUSTOM_MIRRORS = "fdroid_custom_mirrors"
     const val SILENT_INSTALL_ENABLED = "silent_install_enabled"
     const val SILENT_INSTALL_METHOD = "silent_install_method"
     const val AUTO_UPDATE_ENABLED = "auto_update_enabled"
@@ -20,6 +23,7 @@ object SettingsKey {
     const val PER_APP_PROXY_MANAGED_LIST = "per_app_proxy_managed_list"
     const val PER_APP_PROXY_PACKAGE_QUERY_MODE = "per_app_proxy_package_query_mode"
 
+    const val ALLOW_BYPASS = "allow_bypass"
     const val SYSTEM_PROXY_ENABLED = "system_proxy_enabled"
 
     const val PRIVILEGE_SETTINGS_ENABLED = "hide_settings_enabled"

app/src/main/java/io/nekohasekai/sfa/database/Settings.kt

@@ -41,6 +41,7 @@ object Settings {
     var serviceMode by dataStore.string(SettingsKey.SERVICE_MODE) { ServiceMode.NORMAL }
     var startedByUser by dataStore.boolean(SettingsKey.STARTED_BY_USER)
 
+    var updateSource by dataStore.string(SettingsKey.UPDATE_SOURCE) { "github" }
     var checkUpdateEnabled by dataStore.boolean(SettingsKey.CHECK_UPDATE_ENABLED) { false }
     var updateCheckPrompted by dataStore.boolean(SettingsKey.UPDATE_CHECK_PROMPTED) { false }
     var updateTrack by dataStore.string(SettingsKey.UPDATE_TRACK) {
@@ -62,6 +63,8 @@ object Settings {
             "SHIZUKU"
         }
     }
+    var fdroidMirrorUrl by dataStore.string(SettingsKey.FDROID_MIRROR_URL) { "https://f-droid.org/repo" }
+    var fdroidCustomMirrors by dataStore.stringSet(SettingsKey.FDROID_CUSTOM_MIRRORS) { emptySet() }
     var autoUpdateEnabled by dataStore.boolean(SettingsKey.AUTO_UPDATE_ENABLED) { false }
     var dynamicNotification by dataStore.boolean(SettingsKey.DYNAMIC_NOTIFICATION) { true }
     var disableDeprecatedWarnings by dataStore.boolean(SettingsKey.DISABLE_DEPRECATED_WARNINGS) { false }
@@ -93,6 +96,7 @@ object Settings {
         perAppProxyList
     }
 
+    var allowBypass by dataStore.boolean(SettingsKey.ALLOW_BYPASS) { false }
     var systemProxyEnabled by dataStore.boolean(SettingsKey.SYSTEM_PROXY_ENABLED) { true }
 
     var privilegeSettingsEnabled by dataStore.boolean(SettingsKey.PRIVILEGE_SETTINGS_ENABLED) { false }

app/src/main/java/io/nekohasekai/sfa/update/FDroidUpdateChecker.kt

@@ -0,0 +1,27 @@
+package io.nekohasekai.sfa.update
+
+import android.content.Context
+import io.nekohasekai.libbox.checkFDroidUpdate as libboxCheckFDroidUpdate
+import io.nekohasekai.sfa.database.Settings
+
+fun checkFDroidUpdate(context: Context): UpdateInfo? {
+    val packageName = context.packageName
+
+    @Suppress("DEPRECATION")
+    val versionCode = context.packageManager.getPackageInfo(packageName, 0).versionCode
+    val result = libboxCheckFDroidUpdate(
+        Settings.fdroidMirrorUrl,
+        packageName,
+        versionCode,
+        context.cacheDir.absolutePath,
+    ) ?: return null
+    return UpdateInfo(
+        versionCode = result.versionCode,
+        versionName = result.versionName,
+        downloadUrl = result.downloadURL,
+        releaseUrl = "https://f-droid.org/packages/$packageName/",
+        releaseNotes = null,
+        isPrerelease = false,
+        fileSize = result.fileSize,
+    )
+}

app/src/main/java/io/nekohasekai/sfa/update/UpdateSource.kt

@@ -0,0 +1,14 @@
+package io.nekohasekai.sfa.update
+
+enum class UpdateSource {
+    GITHUB,
+    FDROID,
+    ;
+
+    companion object {
+        fun fromString(value: String): UpdateSource = when (value.lowercase()) {
+            "fdroid" -> FDROID
+            else -> GITHUB
+        }
+    }
+}

app/src/main/java/io/nekohasekai/sfa/update/UpdateState.kt

@@ -11,6 +11,7 @@ object UpdateState {
     val isChecking = mutableStateOf(false)
 
     val isDownloading = mutableStateOf(false)
+    val downloadProgress = mutableStateOf<Float?>(null)
     val downloadError = mutableStateOf<String?>(null)
 
     val cachedApkFile = mutableStateOf<File?>(null)
@@ -38,6 +39,7 @@ object UpdateState {
         hasUpdate.value = false
         updateInfo.value = null
         isDownloading.value = false
+        downloadProgress.value = null
         downloadError.value = null
         installStatus.value = InstallStatus.Idle
         cachedApkFile.value = null
@@ -46,6 +48,7 @@ object UpdateState {
 
     fun resetDownload() {
         isDownloading.value = false
+        downloadProgress.value = null
         downloadError.value = null
     }
 

app/src/main/java/io/nekohasekai/sfa/utils/CommandClient.kt

@@ -100,7 +100,12 @@ open class CommandClient(
         }
         options.statusInterval = 1 * 1000 * 1000 * 1000
         val commandClient = CommandClient(clientHandler, options)
-        commandClient.connect()
+        try {
+            commandClient.connect()
+        } catch (e: Exception) {
+            Log.d("CommandClient", "connect failed", e)
+            return
+        }
         this.commandClient = commandClient
     }
 

app/src/main/java/io/nekohasekai/sfa/vendor/VendorInterface.kt

@@ -4,6 +4,7 @@ import android.app.Activity
 import androidx.camera.core.ImageAnalysis
 import io.nekohasekai.sfa.compose.screen.qrscan.QRCodeCropArea
 import io.nekohasekai.sfa.update.UpdateInfo
+import io.nekohasekai.sfa.update.UpdateSource
 
 interface VendorInterface {
     fun checkUpdate(activity: Activity, byUser: Boolean)
@@ -14,53 +15,17 @@ interface VendorInterface {
         onCropArea: ((QRCodeCropArea?) -> Unit)? = null,
     ): ImageAnalysis.Analyzer?
 
-    /**
-     * Check if Per-app Proxy feature is available
-     * @return true if available, false if disabled (e.g., for Play Store builds)
-     */
     fun isPerAppProxyAvailable(): Boolean = true
 
-    /**
-     * Check if track selection is available (e.g., stable/beta)
-     * @return true if track selection is supported
-     */
-    fun supportsTrackSelection(): Boolean = false
+    val hasCustomUpdate: Boolean get() = false
+
+    val updateSources: List<UpdateSource> get() = listOf(UpdateSource.GITHUB)
 
-    /**
-     * Check for updates asynchronously
-     * @return UpdateInfo if update is available, null otherwise
-     */
     fun checkUpdateAsync(): UpdateInfo? = null
 
-    /**
-     * Check if silent install feature is available
-     * @return true if silent install is supported (Other flavor only)
-     */
-    fun supportsSilentInstall(): Boolean = false
-
-    /**
-     * Check if auto update feature is available
-     * @return true if auto update is supported (Other flavor only)
-     */
-    fun supportsAutoUpdate(): Boolean = false
-
-    /**
-     * Schedule auto update worker
-     */
     fun scheduleAutoUpdate() {}
 
-    /**
-     * Verify if the specified silent install method is available
-     * @param method The install method (SHIZUKU or ROOT)
-     * @return true if the method is available and working
-     */
     suspend fun verifySilentInstallMethod(method: String): Boolean = false
 
-    /**
-     * Download and install an APK update
-     * @param context The context
-     * @param downloadUrl The URL to download the APK from
-     * @throws Exception if download or install fails
-     */
     suspend fun downloadAndInstall(context: android.content.Context, downloadUrl: String): Unit = throw UnsupportedOperationException("Not supported in this flavor")
 }

app/src/main/java/io/nekohasekai/sfa/xposed/HookInstaller.kt

@@ -0,0 +1,49 @@
+package io.nekohasekai.sfa.xposed
+
+import android.content.Context
+import io.nekohasekai.sfa.xposed.hooks.HookIConnectivityManagerOnTransact
+import io.nekohasekai.sfa.xposed.hooks.hidevpn.ConnectivityServiceHookHelper
+import io.nekohasekai.sfa.xposed.hooks.hidevpn.HookNetworkCapabilitiesWriteToParcel
+import io.nekohasekai.sfa.xposed.hooks.hidevpn.HookNetworkInterfaceGetName
+import io.nekohasekai.sfa.xposed.hooks.hidevpnapp.HookPackageManagerGetInstalledPackages
+
+object HookInstaller {
+
+    private const val TAG = "XposedInit"
+
+    private val activityThreadClass by lazy { Class.forName("android.app.ActivityThread") }
+    private val currentActivityThreadMethod by lazy { activityThreadClass.getMethod("currentActivityThread") }
+    private val getSystemContextMethod by lazy { activityThreadClass.getMethod("getSystemContext") }
+
+    fun install(classLoader: ClassLoader) {
+        val systemContext = resolveSystemContext()
+        HookErrorStore.i(TAG, "handleSystemServerLoaded")
+        val hooks = arrayOf(
+            ConnectivityServiceHookHelper(classLoader),
+            HookIConnectivityManagerOnTransact(classLoader, systemContext),
+            HookPackageManagerGetInstalledPackages(classLoader),
+            HookNetworkCapabilitiesWriteToParcel(),
+            HookNetworkInterfaceGetName(classLoader),
+        )
+
+        hooks.forEach { hook ->
+            try {
+                hook.injectHook()
+            } catch (e: Throwable) {
+                HookErrorStore.e(
+                    TAG,
+                    "Failed to inject ${hook.javaClass.simpleName}",
+                    e,
+                )
+            }
+        }
+    }
+
+    private fun resolveSystemContext(): Context? = try {
+        val currentThread = currentActivityThreadMethod.invoke(null)
+        getSystemContextMethod.invoke(currentThread) as? Context
+    } catch (e: Throwable) {
+        HookErrorStore.e(TAG, "resolveSystemContext failed", e)
+        null
+    }
+}

app/src/main/java/io/nekohasekai/sfa/xposed/XposedInit.kt

@@ -1,54 +1,16 @@
 package io.nekohasekai.sfa.xposed
 
-import android.content.Context
 import io.github.libxposed.api.XposedInterface
 import io.github.libxposed.api.XposedModule
 import io.github.libxposed.api.XposedModuleInterface
-import io.nekohasekai.sfa.xposed.hooks.HookIConnectivityManagerOnTransact
-import io.nekohasekai.sfa.xposed.hooks.hidevpn.ConnectivityServiceHookHelper
-import io.nekohasekai.sfa.xposed.hooks.hidevpn.HookNetworkCapabilitiesWriteToParcel
-import io.nekohasekai.sfa.xposed.hooks.hidevpn.HookNetworkInterfaceGetName
-import io.nekohasekai.sfa.xposed.hooks.hidevpnapp.HookPackageManagerGetInstalledPackages
 
 class XposedInit(base: XposedInterface, param: XposedModuleInterface.ModuleLoadedParam) : XposedModule(base, param) {
 
-    private val activityThreadClass by lazy { Class.forName("android.app.ActivityThread") }
-    private val currentActivityThreadMethod by lazy { activityThreadClass.getMethod("currentActivityThread") }
-    private val getSystemContextMethod by lazy { activityThreadClass.getMethod("getSystemContext") }
-
     override fun onSystemServerLoaded(param: XposedModuleInterface.SystemServerLoadedParam) {
-        val systemContext = resolveSystemContext()
-        HookErrorStore.i("XposedInit", "handleSystemServerLoaded")
-        val hooks = arrayOf(
-            ConnectivityServiceHookHelper(param.classLoader),
-            HookIConnectivityManagerOnTransact(param.classLoader, systemContext),
-            HookPackageManagerGetInstalledPackages(param.classLoader),
-            HookNetworkCapabilitiesWriteToParcel(),
-            HookNetworkInterfaceGetName(param.classLoader),
-        )
-
-        hooks.forEach { hook ->
-            try {
-                hook.injectHook()
-            } catch (e: Throwable) {
-                HookErrorStore.e(
-                    "XposedInit",
-                    "Failed to inject ${hook.javaClass.simpleName}",
-                    e,
-                )
-            }
-        }
+        HookInstaller.install(param.classLoader)
     }
 
     companion object {
         const val TAG = "sing-box-lsposed"
     }
-
-    private fun resolveSystemContext(): Context? = try {
-        val currentThread = currentActivityThreadMethod.invoke(null)
-        getSystemContextMethod.invoke(currentThread) as? Context
-    } catch (e: Throwable) {
-        HookErrorStore.e("XposedInit", "resolveSystemContext failed", e)
-        null
-    }
 }

app/src/main/java/io/nekohasekai/sfa/xposed/XposedInit101.kt

@@ -0,0 +1,11 @@
+package io.nekohasekai.sfa.xposed
+
+import io.github.libxposed.api.XposedModule
+import io.github.libxposed.api.XposedModuleInterface
+
+class XposedInit101 : XposedModule() {
+
+    override fun onSystemServerStarting(param: XposedModuleInterface.SystemServerStartingParam) {
+        HookInstaller.install(param.classLoader)
+    }
+}

app/src/main/java/io/nekohasekai/sfa/xposed/hooks/hidevpn/ConnectivityServiceHookHelper.kt

@@ -6,6 +6,7 @@ import android.net.Network
 import android.net.NetworkInfo
 import android.os.Build
 import android.os.IBinder
+import android.os.Parcel
 import de.robv.android.xposed.XC_MethodHook
 import de.robv.android.xposed.XposedHelpers
 import io.nekohasekai.sfa.xposed.HookErrorStore
@@ -26,6 +27,7 @@ class ConnectivityServiceHookHelper(private val classLoader: ClassLoader) : XHoo
     private val hooked = AtomicBoolean(false)
     private val initializerHooked = AtomicBoolean(false)
     private var classLoadUnhook: XC_MethodHook.Unhook? = null
+    private var onTransactUnhook: XC_MethodHook.Unhook? = null
     private val serviceManagerHooked = AtomicBoolean(false)
     private var connectivityClassLoader: ClassLoader = classLoader
     private val skipLogKeys = ConcurrentHashMap<String, Boolean>()
@@ -53,6 +55,7 @@ class ConnectivityServiceHookHelper(private val classLoader: ClassLoader) : XHoo
         }
         hookConnectivityServiceInitializer()
         hookClassLoaderFallback()
+        hookOnTransactFallback()
         tryHookFromServiceManager()
     }
 
@@ -148,12 +151,39 @@ class ConnectivityServiceHookHelper(private val classLoader: ClassLoader) : XHoo
             }
         }
         HookErrorStore.i(SOURCE, "ConnectivityService class not found in known classloaders")
+
+        val initializerNames = listOf(
+            "com.android.server.ConnectivityServiceInitializer",
+            "com.android.server.ConnectivityServiceInitializerB",
+        )
+        for (name in initializerNames) {
+            for (loader in loaders) {
+                val initCls = try {
+                    if (loader != null) Class.forName(name, false, loader) else Class.forName(name)
+                } catch (_: Throwable) {
+                    null
+                } ?: continue
+                try {
+                    val field = initCls.getDeclaredField("mConnectivity")
+                    val fieldType = field.type
+                    if (fieldType.name.endsWith(".ConnectivityService")) {
+                        HookErrorStore.i(
+                            SOURCE,
+                            "ConnectivityService class found via $name.mConnectivity: ${fieldType.name}",
+                        )
+                        return fieldType
+                    }
+                } catch (_: Throwable) {
+                }
+            }
+        }
+
         return null
     }
 
     private fun hookConnectivityServiceInitializer() {
-        if (sdkInt < 31 || sdkInt >= 33) {
-            HookErrorStore.d(SOURCE, "Skip ConnectivityServiceInitializer: sdk=$sdkInt (only exists in API 31-32)")
+        if (sdkInt < 31) {
+            HookErrorStore.d(SOURCE, "Skip ConnectivityServiceInitializer: sdk=$sdkInt (requires API 31+)")
             return
         }
         val candidates = listOf(
@@ -238,20 +268,20 @@ class ConnectivityServiceHookHelper(private val classLoader: ClassLoader) : XHoo
                             classLoadUnhook = null
                             return
                         }
-                        when (name) {
-                            "com.android.server.ConnectivityService" -> {
+                        when {
+                            name == "com.android.server.ConnectivityService" ||
+                                name.endsWith(".com.android.server.ConnectivityService") -> {
                                 val cls = param.result as? Class<*> ?: return
                                 HookErrorStore.i(
                                     SOURCE,
-                                    "ConnectivityService loaded via ${param.thisObject.javaClass.name}",
+                                    "ConnectivityService loaded via ${param.thisObject.javaClass.name}: $name",
                                 )
                                 installHooks(cls, "loadClass")
                                 classLoadUnhook?.unhook()
                                 classLoadUnhook = null
                             }
-                            "com.android.server.ConnectivityServiceInitializer",
-                            "com.android.server.ConnectivityServiceInitializerB",
-                            -> {
+                            name == "com.android.server.ConnectivityServiceInitializer" ||
+                                name == "com.android.server.ConnectivityServiceInitializerB" -> {
                                 if (sdkInt < 31) return
                                 if (initializerHooked.get()) return
                                 val cls = param.result as? Class<*> ?: return
@@ -322,6 +352,41 @@ class ConnectivityServiceHookHelper(private val classLoader: ClassLoader) : XHoo
         }
     }
 
+    private fun hookOnTransactFallback() {
+        if (onTransactUnhook != null) return
+        try {
+            val stub = XposedHelpers.findClass("android.net.IConnectivityManager\$Stub", classLoader)
+            onTransactUnhook = XposedHelpers.findAndHookMethod(
+                stub,
+                "onTransact",
+                Int::class.javaPrimitiveType,
+                Parcel::class.java,
+                Parcel::class.java,
+                Int::class.javaPrimitiveType,
+                object : SafeMethodHook(SOURCE) {
+                    override fun beforeHook(param: MethodHookParam) {
+                        if (hooked.get()) {
+                            onTransactUnhook?.unhook()
+                            onTransactUnhook = null
+                            return
+                        }
+                        val serviceClass = param.thisObject.javaClass
+                        HookErrorStore.i(
+                            SOURCE,
+                            "ConnectivityService discovered via onTransact: ${serviceClass.name}",
+                        )
+                        installHooks(serviceClass, "onTransact")
+                        onTransactUnhook?.unhook()
+                        onTransactUnhook = null
+                    }
+                },
+            )
+            HookErrorStore.i(SOURCE, "Hooked IConnectivityManager.Stub.onTransact for discovery")
+        } catch (e: Throwable) {
+            HookErrorStore.w(SOURCE, "Hook onTransact fallback failed: ${e.message}", e)
+        }
+    }
+
     private fun hookConnectivityServiceInitializerClass(cls: Class<*>) {
         if (sdkInt < 31) return
         if (initializerHooked.get()) return

app/src/main/res/values-fa/strings.xml

@@ -198,12 +198,16 @@
     <string name="source_code">کد منبع</string>
     <string name="sponsor">حامی مالی</string>
     <string name="working_directory">پوشه کاری</string>
+    <string name="beta_settings">تنظیمات بتا</string>
     <string name="disable_deprecated_warnings">غیرفعال‌کردن هشدارهای منسوخ</string>
     <string name="notification_settings">اعلان‌ها</string>
     <string name="enable_notification">فعال‌کردن اعلان</string>
     <string name="dynamic_notification">نمایش سرعت بلادرنگ در اعلان</string>
     <string name="disable_notification_description">به دلیل محدودیت‌های اندروید، ابتدا باید مجوز اعلان را بدهید، سپس دسته‌بندی اعلان را در تنظیمات غیرفعال کنید.</string>
     <string name="disable_notification_description_legacy">به دلیل محدودیت‌های اندروید، ابتدا باید مجوز اعلان را بدهید، سپس اعلان‌ها را در اطلاعات برنامه غیرفعال کنید.</string>
+    <string name="allow_bypass">اجازه دور زدن VPN</string>
+    <string name="allow_bypass_description">در صورت فعال بودن، برنامه‌ها می‌توانند این اتصال VPN را دور بزنند و مستقیماً از شبکه اصلی استفاده کنند.</string>
+    <string name="android_documentation">مستندات Android</string>
     <string name="auto_redirect">تغییر مسیر خودکار</string>
     <string name="auto_redirect_description">نیازمند دسترسی ROOT</string>
     <string name="system_http_proxy">پراکسی HTTP سیستم</string>

app/src/main/res/values-ru-rRU/strings.xml

@@ -198,12 +198,16 @@
     <string name="source_code">Исходный код</string>
     <string name="sponsor">Поддержать</string>
     <string name="working_directory">Рабочая директория</string>
+    <string name="beta_settings">Бета-настройки</string>
     <string name="disable_deprecated_warnings">Отключить предупреждения об устаревании</string>
     <string name="notification_settings">Уведомления</string>
     <string name="enable_notification">Включить уведомления</string>
     <string name="dynamic_notification">Отображать скорость в реальном времени в уведомлении</string>
     <string name="disable_notification_description">Из-за ограничений Android необходимо сначала предоставить разрешение на уведомления, а затем отключить категорию уведомлений в настройках.</string>
     <string name="disable_notification_description_legacy">Из-за ограничений Android необходимо сначала предоставить разрешение на уведомления, а затем отключить уведомления в сведениях о приложении.</string>
+    <string name="allow_bypass">Разрешить обход VPN</string>
+    <string name="allow_bypass_description">Если включено, приложения могут обойти это VPN-соединение и использовать базовую сеть напрямую.</string>
+    <string name="android_documentation">Документация Android</string>
     <string name="auto_redirect">Автоматическое перенаправление</string>
     <string name="auto_redirect_description">Требуются права ROOT</string>
     <string name="system_http_proxy">Системный HTTP-прокси</string>

app/src/main/res/values-zh-rCN/strings.xml

@@ -198,12 +198,18 @@
     <string name="source_code">源代码</string>
     <string name="sponsor">赞助</string>
     <string name="working_directory">工作目录</string>
+    <string name="beta_settings">Beta 版设置</string>
     <string name="disable_deprecated_warnings">禁用弃用警告</string>
+    <string name="cache_size">缓存大小</string>
+    <string name="clear_cache">清除缓存</string>
     <string name="notification_settings">通知</string>
     <string name="enable_notification">启用通知</string>
     <string name="dynamic_notification">在通知中显示实时网速</string>
     <string name="disable_notification_description">由于 Android 限制，您需要先授权通知权限，然后前往系统设置中关闭通知类别。</string>
     <string name="disable_notification_description_legacy">由于 Android 限制，您需要先授权通知权限，然后前往应用信息中关闭通知。</string>
+    <string name="allow_bypass">允许绕过 VPN</string>
+    <string name="allow_bypass_description">启用后，应用可以绕过此 VPN 连接，直接使用底层网络。</string>
+    <string name="android_documentation">Android 文档</string>
     <string name="auto_redirect">自动重定向</string>
     <string name="auto_redirect_description">需要 ROOT 权限</string>
     <string name="system_http_proxy">系统 HTTP 代理</string>
@@ -266,7 +272,7 @@
     <string name="check_update_prompt_github">是否启用从 **GitHub** 自动检查更新？</string>
     <string name="update_track">更新轨道</string>
     <string name="update_track_stable">稳定版</string>
-    <string name="update_track_beta">测试版</string>
+    <string name="update_track_beta">Beta 版</string>
     <string name="update_track_not_supported">当前轨道尚不支持检查更新</string>
     <string name="view_release">查看发布</string>
     <string name="downloading">下载中…</string>
@@ -275,6 +281,22 @@
     <string name="new_version_available">有新版本可用：%s</string>
     <string name="auto_update">自动更新</string>
     <string name="auto_update_description">在后台自动下载和安装更新</string>
+    <string name="update_source">更新来源</string>
+    <string name="update_source_github">GitHub</string>
+    <string name="update_source_fdroid">F-Droid</string>
+    <string name="fdroid_mirror">F-Droid 镜像</string>
+    <string name="fdroid_mirror_test_all">根据延迟自动选择</string>
+    <string name="fdroid_mirror_testing">测试中…</string>
+    <string name="fdroid_mirror_latency">%d ms</string>
+    <string name="fdroid_mirror_failed">失败</string>
+    <string name="fdroid_mirror_untested">—</string>
+    <string name="fdroid_mirror_add">添加镜像</string>
+    <string name="fdroid_mirror_name_hint">名称</string>
+    <string name="fdroid_mirror_url_hint">URL</string>
+    <string name="fdroid_mirror_custom">自定义</string>
+    <string name="fdroid_mirror_invalid_url">无效的 URL</string>
+    <string name="fdroid_mirror_add_action">添加</string>
+    <string name="fdroid_mirror_delete">删除</string>
 
     <!-- Silent Install -->
     <string name="silent_install">静默安装</string>

app/src/main/res/values-zh-rTW/strings.xml

@@ -198,12 +198,18 @@
     <string name="source_code">原始碼</string>
     <string name="sponsor">贊助</string>
     <string name="working_directory">工作目錄</string>
+    <string name="beta_settings">Beta 版設定</string>
     <string name="disable_deprecated_warnings">停用過時警告</string>
+    <string name="cache_size">快取大小</string>
+    <string name="clear_cache">清除快取</string>
     <string name="notification_settings">通知</string>
     <string name="enable_notification">啟用通知</string>
     <string name="dynamic_notification">在通知中顯示即時網速</string>
     <string name="disable_notification_description">由於 Android 限制，您需要先授權通知權限，然後前往系統設定中關閉通知類別。</string>
     <string name="disable_notification_description_legacy">由於 Android 限制，您需要先授權通知權限，然後前往應用程式資訊中關閉通知。</string>
+    <string name="allow_bypass">允許繞過 VPN</string>
+    <string name="allow_bypass_description">啟用後，應用程式可以繞過此 VPN 連線，直接使用底層網路。</string>
+    <string name="android_documentation">Android 文件</string>
     <string name="auto_redirect">自動重定向</string>
     <string name="auto_redirect_description">需要 ROOT 權限</string>
     <string name="system_http_proxy">系統 HTTP 代理</string>
@@ -266,7 +272,7 @@
     <string name="check_update_prompt_github">是否啟用從 **GitHub** 自動檢查更新？</string>
     <string name="update_track">更新通道</string>
     <string name="update_track_stable">穩定版</string>
-    <string name="update_track_beta">測試版</string>
+    <string name="update_track_beta">Beta 版</string>
     <string name="update_track_not_supported">目前通道尚不支援檢查更新</string>
     <string name="view_release">查看發布</string>
     <string name="downloading">下載中…</string>
@@ -275,6 +281,22 @@
     <string name="new_version_available">有新版本可用：%s</string>
     <string name="auto_update">自動更新</string>
     <string name="auto_update_description">在背景自動下載並安裝更新</string>
+    <string name="update_source">更新來源</string>
+    <string name="update_source_github">GitHub</string>
+    <string name="update_source_fdroid">F-Droid</string>
+    <string name="fdroid_mirror">F-Droid 鏡像</string>
+    <string name="fdroid_mirror_test_all">依延遲自動選擇</string>
+    <string name="fdroid_mirror_testing">測試中…</string>
+    <string name="fdroid_mirror_latency">%d ms</string>
+    <string name="fdroid_mirror_failed">失敗</string>
+    <string name="fdroid_mirror_untested">—</string>
+    <string name="fdroid_mirror_add">新增鏡像</string>
+    <string name="fdroid_mirror_name_hint">名稱</string>
+    <string name="fdroid_mirror_url_hint">URL</string>
+    <string name="fdroid_mirror_custom">自訂</string>
+    <string name="fdroid_mirror_invalid_url">無效的 URL</string>
+    <string name="fdroid_mirror_add_action">新增</string>
+    <string name="fdroid_mirror_delete">刪除</string>
 
     <!-- Silent Install -->
     <string name="silent_install">靜默安裝</string>

app/src/main/res/values/strings.xml

@@ -198,12 +198,18 @@
     <string name="source_code">Source Code</string>
     <string name="sponsor">Sponsor</string>
     <string name="working_directory">Working Directory</string>
+    <string name="beta_settings">Beta Settings</string>
     <string name="disable_deprecated_warnings">Disable Deprecated Warnings</string>
+    <string name="cache_size">Cache Size</string>
+    <string name="clear_cache">Clear Cache</string>
     <string name="notification_settings">Notification</string>
     <string name="enable_notification">Enable Notification</string>
     <string name="dynamic_notification">Display realtime speed in notification</string>
     <string name="disable_notification_description">Due to Android restrictions, you must first grant notification permission, then go to Settings to disable the notification category.</string>
     <string name="disable_notification_description_legacy">Due to Android restrictions, you must first grant notification permission, then go to App Info to disable notifications.</string>
+    <string name="allow_bypass">Allow Bypass</string>
+    <string name="allow_bypass_description">If enabled, applications can bypass this VPN connection and instead use the underlying network directly.</string>
+    <string name="android_documentation">Android Documentation</string>
     <string name="auto_redirect">Auto Redirect</string>
     <string name="auto_redirect_description">ROOT permission required</string>
     <string name="system_http_proxy">System HTTP Proxy</string>
@@ -264,6 +270,9 @@
     <string name="check_update_automatic">Automatic Update Check</string>
     <string name="check_update_prompt_play">Would you like to enable automatic update checking from **Play Store**?</string>
     <string name="check_update_prompt_github">Would you like to enable automatic update checking from **GitHub**?</string>
+    <string name="update_source">Update Source</string>
+    <string name="update_source_github">GitHub</string>
+    <string name="update_source_fdroid">F-Droid</string>
     <string name="update_track">Update Track</string>
     <string name="update_track_stable">Stable</string>
     <string name="update_track_beta">Beta</string>
@@ -275,6 +284,19 @@
     <string name="new_version_available">New version available: %s</string>
     <string name="auto_update">Auto Update</string>
     <string name="auto_update_description">Automatically download and install updates in background</string>
+    <string name="fdroid_mirror">F-Droid Mirror</string>
+    <string name="fdroid_mirror_test_all">Auto Select by Latency</string>
+    <string name="fdroid_mirror_testing">Testing…</string>
+    <string name="fdroid_mirror_latency">%d ms</string>
+    <string name="fdroid_mirror_failed">Failed</string>
+    <string name="fdroid_mirror_untested">—</string>
+    <string name="fdroid_mirror_add">Add Mirror</string>
+    <string name="fdroid_mirror_name_hint">Name</string>
+    <string name="fdroid_mirror_url_hint">URL</string>
+    <string name="fdroid_mirror_custom">Custom</string>
+    <string name="fdroid_mirror_invalid_url">Invalid URL</string>
+    <string name="fdroid_mirror_add_action">Add</string>
+    <string name="fdroid_mirror_delete">Delete</string>
 
     <!-- Silent Install -->
     <string name="silent_install">Silent Install</string>

app/src/main/res/xml/cache_paths.xml

@@ -3,4 +3,7 @@
     <cache-path
         name="cache"
         path="/" />
+    <external-files-path
+        name="external_files"
+        path="/" />
 </paths>

app/src/main/resources/META-INF/xposed/java_init.list

@@ -1 +1,2 @@
 io.nekohasekai.sfa.xposed.XposedInit
+io.nekohasekai.sfa.xposed.XposedInit101

app/src/main/resources/META-INF/xposed/module.prop

@@ -1,3 +1,3 @@
 minApiVersion=100
-targetApiVersion=100
+targetApiVersion=101
 staticScope=true

app/src/other/java/io/nekohasekai/sfa/vendor/Vendor.kt

@@ -13,8 +13,10 @@ import io.nekohasekai.sfa.compose.screen.qrscan.QRCodeCropArea
 import io.nekohasekai.sfa.database.Settings
 import io.nekohasekai.sfa.update.UpdateCheckException
 import io.nekohasekai.sfa.update.UpdateInfo
+import io.nekohasekai.sfa.update.UpdateSource
 import io.nekohasekai.sfa.update.UpdateState
 import io.nekohasekai.sfa.update.UpdateTrack
+import io.nekohasekai.sfa.update.checkFDroidUpdate
 
 object Vendor : VendorInterface {
     private const val TAG = "Vendor"
@@ -93,19 +95,20 @@ object Vendor : VendorInterface {
         onCropArea: ((QRCodeCropArea?) -> Unit)?,
     ): ImageAnalysis.Analyzer? = null
 
-    override fun supportsTrackSelection(): Boolean = true
+    override val hasCustomUpdate = true
 
-    override fun checkUpdateAsync(): UpdateInfo? {
-        val track = UpdateTrack.fromString(Settings.updateTrack)
-        return GitHubUpdateChecker().use { checker ->
-            checker.checkUpdate(track)
+    override val updateSources = listOf(UpdateSource.GITHUB, UpdateSource.FDROID)
+
+    override fun checkUpdateAsync(): UpdateInfo? = when (UpdateSource.fromString(Settings.updateSource)) {
+        UpdateSource.FDROID -> checkFDroidUpdate(Application.application)
+        UpdateSource.GITHUB -> {
+            val track = UpdateTrack.fromString(Settings.updateTrack)
+            GitHubUpdateChecker().use { checker ->
+                checker.checkUpdate(track)
+            }
         }
     }
 
-    override fun supportsSilentInstall(): Boolean = true
-
-    override fun supportsAutoUpdate(): Boolean = true
-
     override fun scheduleAutoUpdate() {
         UpdateWorker.schedule(io.nekohasekai.sfa.Application.application)
     }

app/src/otherLegacy/java/io/nekohasekai/sfa/vendor/Vendor.kt

@@ -93,7 +93,7 @@ object Vendor : VendorInterface {
         onCropArea: ((QRCodeCropArea?) -> Unit)?,
     ): ImageAnalysis.Analyzer? = null
 
-    override fun supportsTrackSelection(): Boolean = true
+    override val hasCustomUpdate = true
 
     override fun checkUpdateAsync(): UpdateInfo? {
         val track = UpdateTrack.fromString(Settings.updateTrack)
@@ -102,10 +102,6 @@ object Vendor : VendorInterface {
         }
     }
 
-    override fun supportsSilentInstall(): Boolean = true
-
-    override fun supportsAutoUpdate(): Boolean = true
-
     override fun scheduleAutoUpdate() {
         UpdateWorker.schedule(io.nekohasekai.sfa.Application.application)
     }

app/src/play/java/io/nekohasekai/sfa/vendor/Vendor.kt

@@ -92,7 +92,5 @@ object Vendor : VendorInterface {
         }
     }
 
-    override fun supportsTrackSelection(): Boolean = false
-
     override fun checkUpdateAsync(): UpdateInfo? = null
 }

gradle.properties

@@ -6,7 +6,7 @@
 # http://www.gradle.org/docs/current/userguide/build_environment.html
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
-org.gradle.jvmargs=-Xmx8192m -Dfile.encoding=UTF-8
+org.gradle.jvmargs=-Xmx4096m -Dfile.encoding=UTF-8
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-spotless = "8.1.0"
+spotless = "8.2.1"
 ktlint = "1.7.1"
 
 [plugins]

gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +1,7 @@
 #Mon Jul 07 14:05:29 CST 2025
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.1.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.3.1-bin.zip
 networkTimeout=10000
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME

third_party/libxposed-api/src/main/java/io/github/libxposed/api/XposedInterfaceWrapper.java

@@ -21,9 +21,19 @@ import io.github.libxposed.api.utils.DexParser;
  */
 public class XposedInterfaceWrapper implements XposedInterface {
 
-    private final XposedInterface mBase;
+    private volatile XposedInterface mBase;
 
-    XposedInterfaceWrapper(@NonNull XposedInterface base) {
+    public XposedInterfaceWrapper() {
+    }
+
+    public XposedInterfaceWrapper(@NonNull XposedInterface base) {
+        mBase = base;
+    }
+
+    public final void attachFramework(@NonNull XposedInterface base) {
+        if (mBase != null) {
+            throw new IllegalStateException("Framework already attached");
+        }
         mBase = base;
     }
 

third_party/libxposed-api/src/main/java/io/github/libxposed/api/XposedModule.java

@@ -9,11 +9,16 @@ import androidx.annotation.NonNull;
 @SuppressWarnings("unused")
 public abstract class XposedModule extends XposedInterfaceWrapper implements XposedModuleInterface {
     /**
-     * Instantiates a new Xposed module.<br/>
-     * When the module is loaded into the target process, the constructor will be called.
-     *
-     * @param base  The implementation interface provided by the framework, should not be used by the module
-     * @param param Information about the process in which the module is loaded
+     * No-arg constructor for API 101 contract: the framework instantiates the module via
+     * {@code Class.getDeclaredConstructor()}, then calls {@link #attachFramework}.
+     */
+    public XposedModule() {
+        super();
+    }
+
+    /**
+     * Two-arg constructor for API 100 contract: the framework instantiates the module via
+     * {@code (XposedInterface, ModuleLoadedParam)} and attaches the framework base inline.
      */
     public XposedModule(@NonNull XposedInterface base, @NonNull ModuleLoadedParam param) {
         super(base);

third_party/libxposed-api/src/main/java/io/github/libxposed/api/XposedModuleInterface.java

@@ -1,5 +1,6 @@
 package io.github.libxposed.api;
 
+import android.app.AppComponentFactory;
 import android.content.pm.ApplicationInfo;
 import android.os.Build;
 
@@ -32,7 +33,7 @@ public interface XposedModuleInterface {
     }
 
     /**
-     * Wraps information about system server.
+     * Wraps information about system server. API 100 flavor.
      */
     interface SystemServerLoadedParam {
         /**
@@ -44,6 +45,26 @@ public interface XposedModuleInterface {
         ClassLoader getClassLoader();
     }
 
+    /**
+     * Wraps information about system server. API 101 flavor.
+     */
+    interface SystemServerStartingParam {
+        @NonNull
+        ClassLoader getClassLoader();
+    }
+
+    /**
+     * Wraps information about a package whose classloader is ready. API 101.
+     */
+    interface PackageReadyParam extends PackageLoadedParam {
+        @NonNull
+        ClassLoader getClassLoader();
+
+        @RequiresApi(Build.VERSION_CODES.P)
+        @NonNull
+        AppComponentFactory getAppComponentFactory();
+    }
+
     /**
      * Wraps information about the package being loaded.
      */
@@ -99,10 +120,28 @@ public interface XposedModuleInterface {
     }
 
     /**
-     * Gets notified when the system server is loaded.
+     * Gets notified when the system server is loaded. API 100.
      *
      * @param param Information about system server
      */
     default void onSystemServerLoaded(@NonNull SystemServerLoadedParam param) {
     }
+
+    /**
+     * API 101: invoked once per process after the module instance is attached.
+     */
+    default void onModuleLoaded(@NonNull ModuleLoadedParam param) {
+    }
+
+    /**
+     * API 101: invoked when a package's classloader is ready.
+     */
+    default void onPackageReady(@NonNull PackageReadyParam param) {
+    }
+
+    /**
+     * API 101: replaces {@link #onSystemServerLoaded(SystemServerLoadedParam)}.
+     */
+    default void onSystemServerStarting(@NonNull SystemServerStartingParam param) {
+    }
 }

version.properties

@@ -1,5 +1,5 @@
-VERSION_CODE=623
-VERSION_NAME=1.13.0-rc.6
-GO_VERSION=go1.25.7
+VERSION_CODE=662
+VERSION_NAME=1.13.11
+GO_VERSION=go1.25.9