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Run local server from foreground notification with proper information and notification permission (#141)
* Initial plan * Add LocalServerService and notification permission support Co-authored-by: yogeshpaliyal <[email protected]> * Fix LocalServerService to start foreground immediately Co-authored-by: yogeshpaliyal <[email protected]> * Improve notification permission flow with pending state Co-authored-by: yogeshpaliyal <[email protected]> * Fix trailing whitespace in LocalServerService Co-authored-by: yogeshpaliyal <[email protected]> * fix: streamline notification permission handling and add running status message --------- Co-authored-by: copilot-swe-agent[bot] <[email protected]> Co-authored-by: yogeshpaliyal <[email protected]>
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5 files changed

+212
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‎app/src/main/AndroidManifest.xml‎

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@@ -20,6 +20,9 @@
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<uses-permission android:name="android.permission.INTERNET" />
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<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
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<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
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<uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
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<uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
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<uses-permission android:name="android.permission.FOREGROUND_SERVICE_SPECIAL_USE" />
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<application
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android:name=".DeeprApplication"
@@ -53,6 +56,16 @@
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android:name="com.journeyapps.barcodescanner.CaptureActivity"
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android:screenOrientation="portrait"
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tools:replace="screenOrientation" />
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<service
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android:name=".server.LocalServerService"
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android:enabled="true"
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android:exported="false"
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android:foregroundServiceType="specialUse">
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<property
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android:name="android.app.PROPERTY_SPECIAL_USE_FGS_SUBTYPE"
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android:value="Local network server for managing deeplinks" />
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</service>
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</application>
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</manifest>

‎app/src/main/java/com/yogeshpaliyal/deepr/server/LocalServerService.kt‎

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@@ -0,0 +1,160 @@
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package com.yogeshpaliyal.deepr.server
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import android.app.Notification
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import android.app.NotificationChannel
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import android.app.NotificationManager
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import android.app.PendingIntent
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import android.app.Service
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import android.content.Context
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import android.content.Intent
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import android.os.Build
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import android.os.IBinder
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import androidx.core.app.NotificationCompat
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import com.yogeshpaliyal.deepr.MainActivity
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import com.yogeshpaliyal.deepr.R
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import kotlinx.coroutines.CoroutineScope
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.SupervisorJob
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import kotlinx.coroutines.cancel
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import kotlinx.coroutines.flow.first
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import kotlinx.coroutines.launch
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import org.koin.android.ext.android.inject
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class LocalServerService : Service() {
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private val localServerRepository: LocalServerRepository by inject()
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private val serviceScope = CoroutineScope(SupervisorJob() + Dispatchers.Main)
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override fun onCreate() {
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super.onCreate()
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createNotificationChannel()
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}
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override fun onStartCommand(
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intent: Intent?,
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flags: Int,
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startId: Int,
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): Int {
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when (intent?.action) {
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ACTION_START -> {
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// Start foreground immediately to avoid ANR
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startForeground(NOTIFICATION_ID, createNotification(null))
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serviceScope.launch {
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localServerRepository.startServer()
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observeServerState()
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}
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}
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ACTION_STOP -> {
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serviceScope.launch {
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localServerRepository.stopServer()
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stopForeground(STOP_FOREGROUND_REMOVE)
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stopSelf()
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}
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}
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}
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return START_STICKY
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}
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private suspend fun observeServerState() {
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serviceScope.launch {
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localServerRepository.isRunning.collect { isRunning ->
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if (isRunning) {
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val serverUrl = localServerRepository.serverUrl.first()
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val notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
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notificationManager.notify(NOTIFICATION_ID, createNotification(serverUrl))
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}
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}
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}
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}
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private fun createNotificationChannel() {
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
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val channel =
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NotificationChannel(
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CHANNEL_ID,
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getString(R.string.local_server_notification_channel_name),
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NotificationManager.IMPORTANCE_LOW,
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).apply {
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description = getString(R.string.local_server_notification_channel_description)
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setShowBadge(false)
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}
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val notificationManager = getSystemService(Context.NOTIFICATION_SERVICE) as NotificationManager
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notificationManager.createNotificationChannel(channel)
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}
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}
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private fun createNotification(serverUrl: String?): Notification {
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val notificationIntent = Intent(this, MainActivity::class.java)
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val pendingIntent =
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PendingIntent.getActivity(
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this,
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0,
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notificationIntent,
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PendingIntent.FLAG_IMMUTABLE,
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)
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val stopIntent =
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Intent(this, LocalServerService::class.java).apply {
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action = ACTION_STOP
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}
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val stopPendingIntent =
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PendingIntent.getService(
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this,
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1,
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stopIntent,
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PendingIntent.FLAG_IMMUTABLE,
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)
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return NotificationCompat
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.Builder(this, CHANNEL_ID)
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.setContentTitle(getString(R.string.local_server_running))
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.setContentText(
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if (serverUrl != null) {
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getString(R.string.local_server_notification_text, serverUrl)
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} else {
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getString(R.string.local_server_starting)
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},
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).setSmallIcon(R.drawable.ic_launcher_foreground)
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.setContentIntent(pendingIntent)
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.addAction(
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0,
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getString(R.string.stop),
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stopPendingIntent,
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).setOngoing(true)
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.build()
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}
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override fun onBind(intent: Intent?): IBinder? = null
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override fun onDestroy() {
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super.onDestroy()
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serviceScope.cancel()
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}
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companion object {
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private const val CHANNEL_ID = "local_server_channel"
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private const val NOTIFICATION_ID = 1001
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const val ACTION_START = "com.yogeshpaliyal.deepr.ACTION_START_SERVER"
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const val ACTION_STOP = "com.yogeshpaliyal.deepr.ACTION_STOP_SERVER"
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fun startService(context: Context) {
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val intent =
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Intent(context, LocalServerService::class.java).apply {
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action = ACTION_START
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}
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
146+
context.startForegroundService(intent)
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} else {
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context.startService(intent)
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}
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}
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fun stopService(context: Context) {
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val intent =
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Intent(context, LocalServerService::class.java).apply {
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action = ACTION_STOP
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}
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context.startService(intent)
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}
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}
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}

‎app/src/main/java/com/yogeshpaliyal/deepr/ui/screens/LocalNetworkServer.kt‎

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@@ -1,8 +1,10 @@
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package com.yogeshpaliyal.deepr.ui.screens
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import android.Manifest
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import android.content.ClipData
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import android.content.ClipboardManager
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import android.content.Context
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import android.os.Build
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import android.widget.Toast
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import androidx.compose.foundation.background
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import androidx.compose.foundation.layout.Arrangement
@@ -44,8 +46,12 @@ import androidx.compose.ui.unit.LayoutDirection
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import androidx.compose.ui.unit.dp
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import androidx.compose.ui.unit.sp
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import androidx.lifecycle.compose.collectAsStateWithLifecycle
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import com.google.accompanist.permissions.ExperimentalPermissionsApi
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import com.google.accompanist.permissions.isGranted
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import com.google.accompanist.permissions.rememberPermissionState
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import com.lightspark.composeqr.QrCodeView
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import com.yogeshpaliyal.deepr.R
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import com.yogeshpaliyal.deepr.server.LocalServerService
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import com.yogeshpaliyal.deepr.viewmodel.LocalServerViewModel
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import compose.icons.TablerIcons
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import compose.icons.tablericons.ArrowLeft
@@ -55,7 +61,7 @@ import org.koin.androidx.compose.koinViewModel
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data object LocalNetworkServer
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58-
@OptIn(ExperimentalMaterial3Api::class)
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@OptIn(ExperimentalMaterial3Api::class, ExperimentalPermissionsApi::class)
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@Composable
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fun LocalNetworkServerScreen(
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backStack: SnapshotStateList<Any>,
@@ -67,6 +73,22 @@ fun LocalNetworkServerScreen(
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val serverUrl by viewModel.serverUrl.collectAsStateWithLifecycle()
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val isRtl = LocalLayoutDirection.current == LayoutDirection.Rtl
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// Track if user wants to start the server (used for permission flow)
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val pendingStart = androidx.compose.runtime.remember { androidx.compose.runtime.mutableStateOf(false) }
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// Request notification permission for Android 13+
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val notificationPermissionState =
81+
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
82+
rememberPermissionState(Manifest.permission.POST_NOTIFICATIONS) {
83+
if (pendingStart.value) {
84+
pendingStart.value = false
85+
LocalServerService.startService(context)
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}
87+
}
88+
} else {
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null
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}
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Scaffold(
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modifier = modifier.fillMaxSize(),
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topBar = {
@@ -138,9 +160,17 @@ fun LocalNetworkServerScreen(
138160
checked = isRunning,
139161
onCheckedChange = {
140162
if (it) {
141-
viewModel.startServer()
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// Check if notification permission is required and granted
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU &&
165+
notificationPermissionState?.status?.isGranted == false
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) {
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pendingStart.value = true
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notificationPermissionState.launchPermissionRequest()
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} else {
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LocalServerService.startService(context)
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}
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} else {
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viewModel.stopServer()
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LocalServerService.stopService(context)
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}
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},
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)

‎app/src/main/java/com/yogeshpaliyal/deepr/viewmodel/LocalServerViewModel.kt‎

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package com.yogeshpaliyal.deepr.viewmodel
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import androidx.lifecycle.ViewModel
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import androidx.lifecycle.viewModelScope
54
import com.yogeshpaliyal.deepr.server.LocalServerRepository
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import kotlinx.coroutines.launch
75

86
class LocalServerViewModel(
97
private val localServerRepository: LocalServerRepository,
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) : ViewModel() {
119
val isRunning = localServerRepository.isRunning
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val serverUrl = localServerRepository.serverUrl
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fun startServer() {
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viewModelScope.launch {
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localServerRepository.startServer()
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}
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}
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fun stopServer() {
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viewModelScope.launch {
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localServerRepository.stopServer()
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}
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}
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26-
override fun onCleared() {
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super.onCleared()
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viewModelScope.launch {
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localServerRepository.stopServer()
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}
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}
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}

‎app/src/main/res/values/strings.xml‎

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<!-- Local Network Server -->
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<string name="local_network_server">Local Network Server</string>
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<string name="local_server_running">Local Server Running</string>
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<string name="server_status">Server Status</string>
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<string name="server_running">Server is running and accessible on your local network</string>
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<string name="server_running_tap_to_configure">Server Running - Tap to configure</string>
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<string name="api_get_links">Get all saved links</string>
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<string name="api_add_link">Add a new link (JSON: {"link": "url", "name": "name"})</string>
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<string name="api_get_link_info">Get metadata for a URL</string>
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<string name="local_server_notification_channel_name">Local Server</string>
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<string name="local_server_notification_channel_description">Notifications for local server status</string>
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<string name="local_server_notification_text">Server URL: %s</string>
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<string name="local_server_starting">Starting server…</string>
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<string name="stop">Stop</string>
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</resources>

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