feat(tv-update): implement update check and dialog for available updates on android tv devices

app-tv/src/main/AndroidManifest.xml

@@ -1,10 +1,12 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android">
 
+    <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE" />
     <uses-permission android:name="android.permission.FOREGROUND_SERVICE_DATA_SYNC" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
+    <uses-permission android:name="android.permission.REQUEST_INSTALL_PACKAGES" />
 
     <uses-feature
         android:name="android.hardware.touchscreen"
@@ -23,7 +25,11 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/purefin_logo_round"
         android:supportsRtl="true"
+        android:usesCleartextTraffic="true"
         android:theme="@style/Theme.Purefin">
+        <meta-data
+            android:name="hu.bbara.purefin.UPDATE_MANIFEST_URL"
+            android:value="http://purefin.t.bbara.hu/app-tv/update.json" />
         <activity
             android:name="hu.bbara.purefin.tv.TvActivity"
             android:exported="true"
@@ -34,6 +40,9 @@
                 <category android:name="android.intent.category.LEANBACK_LAUNCHER" />
             </intent-filter>
         </activity>
+        <receiver
+            android:name="hu.bbara.purefin.update.AppUpdateInstallReceiver"
+            android:exported="false" />
     </application>
 
 </manifest>

app-tv/src/main/java/hu/bbara/purefin/tv/TvActivity.kt

@@ -2,6 +2,7 @@ package hu.bbara.purefin.tv
 
 import android.content.pm.ApplicationInfo
 import android.os.Bundle
+import android.widget.Toast
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
@@ -11,6 +12,9 @@ import androidx.compose.animation.fadeOut
 import androidx.compose.animation.togetherWith
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material3.AlertDialog
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.CompositionLocalProvider
 import androidx.compose.runtime.LaunchedEffect
@@ -20,6 +24,8 @@ import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.platform.LocalContext
+import androidx.hilt.navigation.compose.hiltViewModel
 import androidx.lifecycle.lifecycleScope
 import androidx.lifecycle.viewmodel.navigation3.rememberViewModelStoreNavEntryDecorator
 import androidx.navigation3.runtime.EntryProviderScope
@@ -38,10 +44,12 @@ import coil3.util.DebugLogger
 import dagger.hilt.android.AndroidEntryPoint
 import hu.bbara.purefin.data.SessionBootstrapper
 import hu.bbara.purefin.data.UserSessionRepository
+import hu.bbara.purefin.feature.update.AppUpdateInfo
+import hu.bbara.purefin.feature.update.AppUpdateViewModel
+import hu.bbara.purefin.jellyfin.JellyfinAuthInterceptor
 import hu.bbara.purefin.navigation.NavigationCommand
 import hu.bbara.purefin.navigation.NavigationManager
 import hu.bbara.purefin.navigation.Route
-import hu.bbara.purefin.jellyfin.JellyfinAuthInterceptor
 import hu.bbara.purefin.navigation.LocalNavigationBackStack
 import hu.bbara.purefin.navigation.LocalNavigationManager
 import hu.bbara.purefin.ui.screen.login.LoginScreen
@@ -135,10 +143,13 @@ class TvActivity : ComponentActivity() {
     fun MainApp(
         userSessionRepository: UserSessionRepository,
         entryBuilders: Set<@JvmSuppressWildcards EntryProviderScope<Route>.() -> Unit>,
-        navigationManager: NavigationManager
+        navigationManager: NavigationManager,
+        updateViewModel: AppUpdateViewModel = hiltViewModel()
     ) {
         var sessionLoaded by remember { mutableStateOf(false) }
         val isLoggedIn by userSessionRepository.isLoggedIn.collectAsState(initial = false)
+        val availableUpdate by updateViewModel.availableUpdate.collectAsState()
+        val context = LocalContext.current
 
         LaunchedEffect(Unit) {
             userSessionRepository.isLoggedIn.collect {
@@ -146,12 +157,19 @@ class TvActivity : ComponentActivity() {
             }
         }
 
-        if (!sessionLoaded) {
-            PurefinWaitingScreen(modifier = Modifier.fillMaxSize())
-            return
+        LaunchedEffect(updateViewModel) {
+            updateViewModel.checkForUpdates(showUpToDateMessage = false)
         }
 
-        if (isLoggedIn) {
+        LaunchedEffect(updateViewModel, context) {
+            updateViewModel.snackbarMessages.collect { message ->
+                Toast.makeText(context, message, Toast.LENGTH_LONG).show()
+            }
+        }
+
+        if (!sessionLoaded) {
+            PurefinWaitingScreen(modifier = Modifier.fillMaxSize())
+        } else if (isLoggedIn) {
             @Suppress("UNCHECKED_CAST")
             val backStack = rememberNavBackStack(Route.Home) as NavBackStack<Route>
             val appEntryProvider = entryProvider {
@@ -213,5 +231,44 @@ class TvActivity : ComponentActivity() {
         } else {
             LoginScreen()
         }
+
+        availableUpdate?.let { update ->
+            TvUpdateAvailableDialog(
+                update = update,
+                onAccept = updateViewModel::acceptUpdate,
+                onDecline = updateViewModel::declineUpdate
+            )
+        }
+    }
+
+    @Composable
+    private fun TvUpdateAvailableDialog(
+        update: AppUpdateInfo,
+        onAccept: () -> Unit,
+        onDecline: () -> Unit
+    ) {
+        val versionLabel = update.versionName?.takeIf { it.isNotBlank() } ?: update.versionCode.toString()
+        val releaseNotes = update.releaseNotes?.takeIf { it.isNotBlank() }
+        val updateText = if (releaseNotes == null) {
+            "Purefin TV $versionLabel is available.\n\nVersion code: ${update.versionCode}"
+        } else {
+            "Purefin TV $versionLabel is available.\n\nVersion code: ${update.versionCode}\n\n$releaseNotes"
+        }
+
+        AlertDialog(
+            onDismissRequest = onDecline,
+            title = { Text("Update available") },
+            text = { Text(updateText) },
+            confirmButton = {
+                TextButton(onClick = onAccept) {
+                    Text("Install")
+                }
+            },
+            dismissButton = {
+                TextButton(onClick = onDecline) {
+                    Text("Not now")
+                }
+            }
+        )
     }
 }