Fix in news, first android notification service

2026-06-10 13:47:33 +02:00
parent e8a50e55ca
commit 5da11d2e4d
28 changed files with 1277 additions and 43 deletions
--- a/android-app/app/build.gradle.kts
+++ b/android-app/app/build.gradle.kts
@@ -7,6 +7,10 @@ plugins {
    id("com.google.dagger.hilt.android")
 }

+if (file("google-services.json").exists()) {
+    apply(plugin = "com.google.gms.google-services")
+}
+
 val localApiBaseUrl = providers.gradleProperty("LOCAL_API_BASE_URL")
    .orElse("https://harheimertc.tsschulz.de/")
    .get()
@@ -253,6 +257,9 @@ dependencies {
    // Crash reporting
    implementation("io.sentry:sentry-android:8.42.0")

+    // Push notifications
+    implementation("com.google.firebase:firebase-messaging:25.0.2")
+
    // Room
    implementation("androidx.room:room-runtime:2.6.1")
    ksp("androidx.room:room-compiler:2.6.1")
@@ -262,6 +269,7 @@ dependencies {
    implementation("androidx.work:work-runtime-ktx:2.8.1")
    implementation("androidx.datastore:datastore-preferences:1.0.0")
    implementation("androidx.security:security-crypto:1.1.0-alpha06")
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-play-services:1.7.3")

    // Testing (skeleton)
    testImplementation("junit:junit:4.13.2")
--- a/android-app/app/production/release/app-production-release.aab
+++ b/android-app/app/production/release/app-production-release.aab
--- a/android-app/app/src/main/AndroidManifest.xml
+++ b/android-app/app/src/main/AndroidManifest.xml
@@ -2,6 +2,7 @@

    <uses-permission android:name="android.permission.INTERNET" />
    <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
+    <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />

    <application
        android:name=".HarheimerApplication"
@@ -16,6 +17,13 @@
                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
+        <service
+            android:name=".notifications.HarheimerMessagingService"
+            android:exported="false">
+            <intent-filter>
+                <action android:name="com.google.firebase.MESSAGING_EVENT" />
+            </intent-filter>
+        </service>
        <provider
            android:name="androidx.core.content.FileProvider"
            android:authorities="${applicationId}.files"
--- a/android-app/app/src/main/java/de/harheimertc/HarheimerApplication.kt
+++ b/android-app/app/src/main/java/de/harheimertc/HarheimerApplication.kt
@@ -6,6 +6,7 @@ import coil.ImageLoaderFactory
 import coil.disk.DiskCache
 import coil.memory.MemoryCache
 import dagger.hilt.android.HiltAndroidApp
+import de.harheimertc.notifications.HarheimerNotifications
 import io.sentry.Sentry
 import okhttp3.OkHttpClient
 import javax.inject.Inject
@@ -19,6 +20,7 @@ class HarheimerApplication : Application(), ImageLoaderFactory {
    override fun onCreate() {
        Log.d("HILT", "HarheimerApplication.onCreate called")
        super.onCreate()
+        HarheimerNotifications.createChannels(this)
        if (BuildConfig.SENTRY_DSN.isNotBlank()) {
            Sentry.init { options ->
                options.dsn = BuildConfig.SENTRY_DSN
--- a/android-app/app/src/main/java/de/harheimertc/MainActivity.kt
+++ b/android-app/app/src/main/java/de/harheimertc/MainActivity.kt
@@ -1,13 +1,17 @@
 package de.harheimertc

+import android.Manifest
+import android.os.Build
 import android.os.Bundle
 import androidx.activity.ComponentActivity
+import androidx.activity.result.contract.ActivityResultContracts
 import androidx.activity.compose.setContent
 import androidx.compose.runtime.Composable
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.navigation.compose.rememberNavController
 import de.harheimertc.ui.navigation.NavGraph
 import de.harheimertc.ui.navigation.Destinations
+import de.harheimertc.notifications.HarheimerNotifications
 import de.harheimertc.ui.theme.HarheimerTheme
 import androidx.hilt.navigation.compose.hiltViewModel
 import de.harheimertc.ui.navigation.NavigationViewModel
@@ -17,12 +21,25 @@ import androidx.compose.ui.platform.LocalContext

@AndroidEntryPoint
 class MainActivity : ComponentActivity() {
+    private val notificationPermissionLauncher = registerForActivityResult(
+        ActivityResultContracts.RequestPermission(),
+    ) { granted ->
+        Log.i("NOTIFICATIONS", "POST_NOTIFICATIONS granted=$granted")
+    }
+
    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
+        requestNotificationPermissionIfNeeded()
        setContent {
            App()
        }
    }
+
+    private fun requestNotificationPermissionIfNeeded() {
+        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU && !HarheimerNotifications.hasNotificationPermission(this)) {
+            notificationPermissionLauncher.launch(Manifest.permission.POST_NOTIFICATIONS)
+        }
+    }
 }

@Composable
--- a/android-app/app/src/main/java/de/harheimertc/data/ApiService.kt
+++ b/android-app/app/src/main/java/de/harheimertc/data/ApiService.kt
@@ -257,6 +257,30 @@ data class ProfileUpdateRequest(
    val currentPassword: String? = null,
    val newPassword: String? = null,
 )
+data class NotificationSettingsDto(
+    val newNews: Boolean = false,
+    val newEvents: Boolean = false,
+    val eventsToday: Boolean = false,
+    val eventsTomorrow: Boolean = false,
+    val ownTeamMatches: Boolean = false,
+    val allTeamMatches: Boolean = false,
+    val birthdays: Boolean = false,
+    val newContactRequest: Boolean = false,
+    val newUserRegistration: Boolean = false,
+    val selectedTeamSlugs: List<String> = emptyList(),
+    val selectedTeamSeason: String? = null,
+    val notificationTime: String = "09:00",
+)
+data class NotificationSettingsResponse(
+    val success: Boolean = false,
+    val message: String? = null,
+    val settings: NotificationSettingsDto = NotificationSettingsDto(),
+)
+data class PushTokenRequest(
+    val token: String,
+    val platform: String = "android",
+    val appVersion: String? = null,
+)
 data class BirthdayDto(
    val name: String = "",
    val dayMonth: String = "",
@@ -660,6 +684,15 @@ interface ApiService {
    @retrofit2.http.PUT("/api/profile")
    suspend fun updateProfile(@Body request: ProfileUpdateRequest): Response<ProfileResponse>

+    @GET("/api/profile/notifications")
+    suspend fun notificationSettings(): Response<NotificationSettingsResponse>
+
+    @retrofit2.http.PUT("/api/profile/notifications")
+    suspend fun updateNotificationSettings(@Body request: NotificationSettingsDto): Response<NotificationSettingsResponse>
+
+    @POST("/api/profile/push-token")
+    suspend fun registerPushToken(@Body request: PushTokenRequest): Response<AuthMessageResponse>
+
    @GET("/api/birthdays")
    suspend fun birthdays(): Response<BirthdaysResponse>

--- a/android-app/app/src/main/java/de/harheimertc/notifications/HarheimerMessagingService.kt
+++ b/android-app/app/src/main/java/de/harheimertc/notifications/HarheimerMessagingService.kt
@@ -0,0 +1,43 @@
+package de.harheimertc.notifications
+
+import android.util.Log
+import com.google.firebase.messaging.FirebaseMessagingService
+import com.google.firebase.messaging.RemoteMessage
+import dagger.hilt.android.AndroidEntryPoint
+import de.harheimertc.repositories.PushTokenRepository
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+@AndroidEntryPoint
+class HarheimerMessagingService : FirebaseMessagingService() {
+    @Inject
+    lateinit var pushTokenRepository: PushTokenRepository
+
+    private val serviceScope = CoroutineScope(SupervisorJob() + Dispatchers.IO)
+
+    override fun onNewToken(token: String) {
+        super.onNewToken(token)
+        serviceScope.launch {
+            pushTokenRepository.registerToken(token)
+        }
+    }
+
+    override fun onMessageReceived(message: RemoteMessage) {
+        super.onMessageReceived(message)
+        val title = message.notification?.title
+            ?: message.data["title"]
+            ?: "Harheimer TC"
+        val body = message.notification?.body
+            ?: message.data["body"]
+            ?: message.data["message"]
+            ?: return
+        val notificationId = message.data["notificationId"]?.toIntOrNull()
+            ?: message.messageId?.hashCode()
+            ?: System.currentTimeMillis().toInt()
+        val shown = HarheimerNotifications.showBasicNotification(this, notificationId, title, body)
+        Log.d("HarheimerMessaging", "Push message received type=${message.data["type"]}, shown=$shown")
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/notifications/HarheimerNotifications.kt
+++ b/android-app/app/src/main/java/de/harheimertc/notifications/HarheimerNotifications.kt
@@ -0,0 +1,51 @@
+package de.harheimertc.notifications
+
+import android.Manifest
+import android.app.NotificationChannel
+import android.app.NotificationManager
+import android.content.Context
+import android.content.pm.PackageManager
+import android.os.Build
+import androidx.core.app.NotificationCompat
+import androidx.core.app.NotificationManagerCompat
+import androidx.core.content.ContextCompat
+import de.harheimertc.R
+
+object HarheimerNotifications {
+    const val DEFAULT_CHANNEL_ID = "harheimer_tc_updates"
+
+    fun createChannels(context: Context) {
+        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.O) return
+        val channel = NotificationChannel(
+            DEFAULT_CHANNEL_ID,
+            "Harheimer TC",
+            NotificationManager.IMPORTANCE_DEFAULT,
+        ).apply {
+            description = "Benachrichtigungen des Harheimer TC"
+        }
+        context.getSystemService(NotificationManager::class.java).createNotificationChannel(channel)
+    }
+
+    fun hasNotificationPermission(context: Context): Boolean =
+        Build.VERSION.SDK_INT < Build.VERSION_CODES.TIRAMISU ||
+            ContextCompat.checkSelfPermission(context, Manifest.permission.POST_NOTIFICATIONS) == PackageManager.PERMISSION_GRANTED
+
+    fun showBasicNotification(
+        context: Context,
+        notificationId: Int,
+        title: String,
+        message: String,
+    ): Boolean {
+        if (!hasNotificationPermission(context)) return false
+        val notification = NotificationCompat.Builder(context, DEFAULT_CHANNEL_ID)
+            .setSmallIcon(R.mipmap.ic_launcher)
+            .setContentTitle(title)
+            .setContentText(message)
+            .setStyle(NotificationCompat.BigTextStyle().bigText(message))
+            .setPriority(NotificationCompat.PRIORITY_DEFAULT)
+            .setAutoCancel(true)
+            .build()
+        NotificationManagerCompat.from(context).notify(notificationId, notification)
+        return true
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/repositories/NotificationPreferencesRepository.kt
+++ b/android-app/app/src/main/java/de/harheimertc/repositories/NotificationPreferencesRepository.kt
@@ -0,0 +1,135 @@
+package de.harheimertc.repositories
+
+import android.content.Context
+import dagger.hilt.android.qualifiers.ApplicationContext
+import de.harheimertc.data.ApiService
+import de.harheimertc.data.NotificationSettingsDto
+import javax.inject.Inject
+import javax.inject.Singleton
+
+private const val DEFAULT_NOTIFICATION_TIME = "09:00"
+
+data class NotificationPreferences(
+    val newNews: Boolean = false,
+    val newEvents: Boolean = false,
+    val eventsToday: Boolean = false,
+    val eventsTomorrow: Boolean = false,
+    val ownTeamMatches: Boolean = false,
+    val allTeamMatches: Boolean = false,
+    val birthdays: Boolean = false,
+    val newContactRequest: Boolean = false,
+    val newUserRegistration: Boolean = false,
+    val selectedTeamSlugs: Set<String> = emptySet(),
+    val selectedTeamSeason: String? = null,
+    val notificationTime: String = DEFAULT_NOTIFICATION_TIME,
+)
+
+@Singleton
+class NotificationPreferencesRepository @Inject constructor(
+    @param:ApplicationContext private val context: Context,
+    private val api: ApiService,
+) {
+    private val preferences by lazy {
+        context.getSharedPreferences("harheimertc_notification_preferences", Context.MODE_PRIVATE)
+    }
+
+    fun loadLocal(): NotificationPreferences = NotificationPreferences(
+        newNews = preferences.getBoolean(KEY_NEW_NEWS, false),
+        newEvents = preferences.getBoolean(KEY_NEW_EVENTS, false),
+        eventsToday = preferences.getBoolean(KEY_EVENTS_TODAY, false),
+        eventsTomorrow = preferences.getBoolean(KEY_EVENTS_TOMORROW, false),
+        ownTeamMatches = preferences.getBoolean(KEY_OWN_TEAM_MATCHES, false),
+        allTeamMatches = preferences.getBoolean(KEY_ALL_TEAM_MATCHES, false),
+        birthdays = preferences.getBoolean(KEY_BIRTHDAYS, false),
+        newContactRequest = preferences.getBoolean(KEY_NEW_CONTACT_REQUEST, false),
+        newUserRegistration = preferences.getBoolean(KEY_NEW_USER_REGISTRATION, false),
+        selectedTeamSlugs = preferences.getStringSet(KEY_SELECTED_TEAM_SLUGS, emptySet()).orEmpty(),
+        selectedTeamSeason = preferences.getString(KEY_SELECTED_TEAM_SEASON, null)?.takeIf { it.isNotBlank() },
+        notificationTime = preferences.getString(KEY_NOTIFICATION_TIME, DEFAULT_NOTIFICATION_TIME) ?: DEFAULT_NOTIFICATION_TIME,
+    )
+
+    suspend fun loadRemote(): Result<NotificationPreferences> = runCatching {
+        retryOnNetworkFailure {
+            val response = api.notificationSettings()
+            if (!response.isSuccessful) error("Benachrichtigungseinstellungen konnten nicht geladen werden.")
+            val settings = response.body()?.settings?.toPreferences() ?: error("Leere Antwort")
+            saveLocal(settings)
+            settings
+        }
+    }
+
+    fun saveLocal(settings: NotificationPreferences) {
+        preferences.edit()
+            .putBoolean(KEY_NEW_NEWS, settings.newNews)
+            .putBoolean(KEY_NEW_EVENTS, settings.newEvents)
+            .putBoolean(KEY_EVENTS_TODAY, settings.eventsToday)
+            .putBoolean(KEY_EVENTS_TOMORROW, settings.eventsTomorrow)
+            .putBoolean(KEY_OWN_TEAM_MATCHES, settings.ownTeamMatches)
+            .putBoolean(KEY_ALL_TEAM_MATCHES, settings.allTeamMatches)
+            .putBoolean(KEY_BIRTHDAYS, settings.birthdays)
+            .putBoolean(KEY_NEW_CONTACT_REQUEST, settings.newContactRequest)
+            .putBoolean(KEY_NEW_USER_REGISTRATION, settings.newUserRegistration)
+            .putStringSet(KEY_SELECTED_TEAM_SLUGS, settings.selectedTeamSlugs)
+            .putString(KEY_SELECTED_TEAM_SEASON, settings.selectedTeamSeason)
+            .putString(KEY_NOTIFICATION_TIME, settings.notificationTime)
+            .apply()
+    }
+
+    suspend fun saveRemote(settings: NotificationPreferences): Result<NotificationPreferences> {
+        saveLocal(settings)
+        return runCatching {
+            retryOnNetworkFailure {
+                val response = api.updateNotificationSettings(settings.toDto())
+                if (!response.isSuccessful) error("Benachrichtigungseinstellungen konnten nicht gespeichert werden.")
+                val saved = response.body()?.settings?.toPreferences() ?: error("Leere Antwort")
+                saveLocal(saved)
+                saved
+            }
+        }
+    }
+
+    private companion object {
+        const val KEY_NEW_NEWS = "new_news"
+        const val KEY_NEW_EVENTS = "new_events"
+        const val KEY_EVENTS_TODAY = "events_today"
+        const val KEY_EVENTS_TOMORROW = "events_tomorrow"
+        const val KEY_OWN_TEAM_MATCHES = "own_team_matches"
+        const val KEY_ALL_TEAM_MATCHES = "all_team_matches"
+        const val KEY_BIRTHDAYS = "birthdays"
+        const val KEY_NEW_CONTACT_REQUEST = "new_contact_request"
+        const val KEY_NEW_USER_REGISTRATION = "new_user_registration"
+        const val KEY_SELECTED_TEAM_SLUGS = "selected_team_slugs"
+        const val KEY_SELECTED_TEAM_SEASON = "selected_team_season"
+        const val KEY_NOTIFICATION_TIME = "notification_time"
+    }
+}
+
+private fun NotificationSettingsDto.toPreferences(): NotificationPreferences = NotificationPreferences(
+    newNews = newNews,
+    newEvents = newEvents,
+    eventsToday = eventsToday,
+    eventsTomorrow = eventsTomorrow,
+    ownTeamMatches = ownTeamMatches,
+    allTeamMatches = allTeamMatches,
+    birthdays = birthdays,
+    newContactRequest = newContactRequest,
+    newUserRegistration = newUserRegistration,
+    selectedTeamSlugs = selectedTeamSlugs.toSet(),
+    selectedTeamSeason = selectedTeamSeason,
+    notificationTime = notificationTime,
+)
+
+private fun NotificationPreferences.toDto(): NotificationSettingsDto = NotificationSettingsDto(
+    newNews = newNews,
+    newEvents = newEvents,
+    eventsToday = eventsToday,
+    eventsTomorrow = eventsTomorrow,
+    ownTeamMatches = ownTeamMatches,
+    allTeamMatches = allTeamMatches,
+    birthdays = birthdays,
+    newContactRequest = newContactRequest,
+    newUserRegistration = newUserRegistration,
+    selectedTeamSlugs = selectedTeamSlugs.toList(),
+    selectedTeamSeason = selectedTeamSeason,
+    notificationTime = notificationTime,
+)
--- a/android-app/app/src/main/java/de/harheimertc/repositories/PushTokenRepository.kt
+++ b/android-app/app/src/main/java/de/harheimertc/repositories/PushTokenRepository.kt
@@ -0,0 +1,35 @@
+package de.harheimertc.repositories
+
+import android.util.Log
+import com.google.firebase.messaging.FirebaseMessaging
+import de.harheimertc.BuildConfig
+import de.harheimertc.data.ApiService
+import de.harheimertc.data.PushTokenRequest
+import kotlinx.coroutines.tasks.await
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class PushTokenRepository @Inject constructor(
+    private val api: ApiService,
+) {
+    suspend fun registerCurrentDevice(): Result<Unit> = runCatching {
+        val token = FirebaseMessaging.getInstance().token.await()
+        registerToken(token).getOrThrow()
+    }
+
+    suspend fun registerToken(token: String): Result<Unit> = runCatching {
+        if (token.isBlank()) return@runCatching
+        retryOnNetworkFailure {
+            val response = api.registerPushToken(
+                PushTokenRequest(
+                    token = token,
+                    appVersion = "${BuildConfig.VERSION_NAME}+${BuildConfig.VERSION_CODE}",
+                ),
+            )
+            if (!response.isSuccessful) error("Push-Token konnte nicht registriert werden.")
+        }
+    }.onFailure { error ->
+        Log.w("PushTokenRepository", "Push-Token Registrierung fehlgeschlagen", error)
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/ui/components/AppNavigationHeader.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/components/AppNavigationHeader.kt
@@ -416,6 +416,7 @@ private fun menuSection(route: String?): MenuSection? = when (route) {
    Destinations.Qttr.route,
    Destinations.MemberNews.route,
    Destinations.Profile.route,
+    Destinations.NotificationSettings.route,
    Destinations.MemberApi.route -> MenuSection.INTERN

    Destinations.CmsStartseite.route,
@@ -473,6 +474,7 @@ private fun submenu(section: MenuSection?, state: NavigationUiState): List<MenuT
        add(MenuTarget("QTTR", Destinations.Qttr.route))
        add(MenuTarget("News", Destinations.MemberNews.route))
        add(MenuTarget("Mein Profil", Destinations.Profile.route))
+        add(MenuTarget("Benachrichtigungen", Destinations.NotificationSettings.route))
        add(MenuTarget("API-Dokumentation", Destinations.MemberApi.route))
    }

--- a/android-app/app/src/main/java/de/harheimertc/ui/navigation/Destinations.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/navigation/Destinations.kt
@@ -43,6 +43,7 @@ sealed class Destinations(val route: String) {
    object Qttr : Destinations("intern/qttr")
    object MemberNews : Destinations("intern/news")
    object Profile : Destinations("intern/profil")
+    object NotificationSettings : Destinations("intern/benachrichtigungen")
    object MemberApi : Destinations("intern/api")
    object CmsStartseite : Destinations("cms/startseite")
    object CmsInhalte : Destinations("cms/inhalte")
--- a/android-app/app/src/main/java/de/harheimertc/ui/navigation/NavGraph.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/navigation/NavGraph.kt
@@ -313,6 +313,13 @@ fun NavGraph(
                        showBackNavigation = !persistentNavigation,
                    )
                }
+                composable(Destinations.NotificationSettings.route) {
+                    de.harheimertc.ui.screens.notifications.NotificationSettingsScreen(
+                        navController = navController,
+                        showBackNavigation = !persistentNavigation,
+                        navigationState = navigationState,
+                    )
+                }
                composable(Destinations.MemberApi.route) {
                    de.harheimertc.ui.screens.memberarea.MemberApiScreen(
                        navController = navController,
--- a/android-app/app/src/main/java/de/harheimertc/ui/navigation/NavigationViewModel.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/navigation/NavigationViewModel.kt
@@ -9,6 +9,7 @@ import de.harheimertc.repositories.GalleryRepository
 import de.harheimertc.repositories.LoginRepository
 import de.harheimertc.repositories.Mannschaft
 import de.harheimertc.repositories.MannschaftenRepository
+import de.harheimertc.repositories.PushTokenRepository
 import kotlinx.coroutines.async
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -37,6 +38,7 @@ class NavigationViewModel @Inject constructor(
    private val loginRepository: LoginRepository,
    private val authRepository: AuthRepository,
    private val connectivityMonitor: ConnectivityMonitor,
+    private val pushTokenRepository: PushTokenRepository,
 ) : ViewModel() {
    private val _state = MutableStateFlow(NavigationUiState())
    val state: StateFlow<NavigationUiState> = _state
@@ -61,13 +63,15 @@ class NavigationViewModel @Inject constructor(
            val auth = async { loginRepository.status().getOrDefault(de.harheimertc.data.AuthStatusResponse()) }
            val status = auth.await()
            val hasStoredSession = !authRepository.getToken().isNullOrBlank()
+            val loggedIn = hasStoredSession || status.isLoggedIn
            _state.value = NavigationUiState(
                teams = teams.await(),
                hasGalleryImages = gallery.await(),
-                loggedIn = hasStoredSession || status.isLoggedIn,
+                loggedIn = loggedIn,
                roles = status.navigationRoles(),
                connectionNote = null,
            )
+            if (loggedIn) registerPushToken()
        }
    }

@@ -75,11 +79,19 @@ class NavigationViewModel @Inject constructor(
        viewModelScope.launch {
            val status = loginRepository.status().getOrDefault(de.harheimertc.data.AuthStatusResponse())
            val hasStoredSession = !authRepository.getToken().isNullOrBlank()
+            val loggedIn = hasStoredSession || status.isLoggedIn
            _state.value = _state.value.copy(
-                loggedIn = hasStoredSession || status.isLoggedIn,
+                loggedIn = loggedIn,
                roles = status.navigationRoles(),
                connectionNote = _state.value.connectionNote,
            )
+            if (loggedIn) registerPushToken()
+        }
+    }
+
+    private fun registerPushToken() {
+        viewModelScope.launch {
+            pushTokenRepository.registerCurrentDevice()
        }
    }

--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/memberarea/MemberAreaScreen.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/memberarea/MemberAreaScreen.kt
@@ -102,6 +102,12 @@ private fun MemberAreaCardGrid(navController: NavController) {
            marker = "P",
            onClick = { navController.navigate(Destinations.Profile.route) },
        )
+        MemberAreaCard(
+            title = "Benachrichtigungen",
+            description = "Persönliche Hinweise im Android-System verwalten",
+            marker = "B",
+            onClick = { navController.navigate(Destinations.NotificationSettings.route) },
+        )
        MemberAreaCard(
            title = "Mitglieder",
            description = "Kontaktdaten der Vereinsmitglieder",
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/notifications/NotificationSettingsScreen.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/notifications/NotificationSettingsScreen.kt
@@ -0,0 +1,276 @@
+package de.harheimertc.ui.screens.notifications
+
+import android.Manifest
+import android.os.Build
+import androidx.activity.compose.rememberLauncherForActivityResult
+import androidx.activity.result.contract.ActivityResultContracts
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.ColumnScope
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.horizontalScroll
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.lazy.LazyColumn
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.material3.Button
+import androidx.compose.material3.Checkbox
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedButton
+import androidx.compose.material3.Surface
+import androidx.compose.material3.Switch
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.unit.dp
+import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.navigation.NavController
+import de.harheimertc.notifications.HarheimerNotifications
+import de.harheimertc.repositories.Mannschaft
+import de.harheimertc.repositories.NotificationPreferences
+import de.harheimertc.ui.components.LoadingState
+import de.harheimertc.ui.navigation.NavigationUiState
+import de.harheimertc.ui.theme.Accent500
+import de.harheimertc.ui.theme.Accent700
+import de.harheimertc.ui.theme.Accent900
+import de.harheimertc.ui.theme.Primary100
+import de.harheimertc.ui.theme.Primary600
+
+private val notificationTimes = (6..22).flatMap { hour ->
+    listOf("%02d:00".format(hour), "%02d:30".format(hour))
+}.dropLast(1)
+
+@Composable
+fun NotificationSettingsScreen(
+    navController: NavController,
+    showBackNavigation: Boolean,
+    navigationState: NavigationUiState,
+    viewModel: NotificationSettingsViewModel = hiltViewModel(),
+) {
+    val state by viewModel.state.collectAsState()
+    val context = LocalContext.current
+    var hasPermission by remember { mutableStateOf(HarheimerNotifications.hasNotificationPermission(context)) }
+    val permissionLauncher = rememberLauncherForActivityResult(ActivityResultContracts.RequestPermission()) { granted ->
+        hasPermission = granted || HarheimerNotifications.hasNotificationPermission(context)
+    }
+    val isBoard = "vorstand" in navigationState.roles
+
+    LazyColumn(
+        modifier = Modifier.fillMaxSize().background(Color(0xFFFAFAFA)),
+        contentPadding = PaddingValues(horizontal = 20.dp, vertical = 22.dp),
+        verticalArrangement = Arrangement.spacedBy(16.dp),
+    ) {
+        item {
+            if (showBackNavigation) {
+                TextButton(onClick = { navController.popBackStack() }) {
+                    Text("<  Intern", color = Primary600, fontWeight = FontWeight.SemiBold)
+                }
+            }
+            Text("Benachrichtigungen", style = MaterialTheme.typography.displayLarge, color = Accent900)
+            Text("Persönliche Android-Benachrichtigungen verwalten.", color = Accent500, modifier = Modifier.padding(top = 8.dp))
+        }
+
+        item {
+            NotificationCard("Android-Berechtigung") {
+                val permissionText = if (hasPermission) {
+                    "Benachrichtigungen sind im Android-System erlaubt."
+                } else {
+                    "Benachrichtigungen sind im Android-System noch nicht erlaubt."
+                }
+                Text(permissionText, color = if (hasPermission) Color(0xFF166534) else Accent700)
+                if (!hasPermission && Build.VERSION.SDK_INT >= Build.VERSION_CODES.TIRAMISU) {
+                    Button(
+                        onClick = { permissionLauncher.launch(Manifest.permission.POST_NOTIFICATIONS) },
+                        modifier = Modifier.fillMaxWidth(),
+                    ) {
+                        Text("Berechtigung anfordern")
+                    }
+                }
+            }
+        }
+
+        if (state.loading) {
+            item { LoadingState("Benachrichtigungseinstellungen werden geladen...") }
+        } else {
+            item {
+                NotificationCard("Benachrichtigungszeit") {
+                    Text("Automatische Benachrichtigungen werden zu dieser Uhrzeit ausgelöst.", color = Accent700)
+                    TimeSelection(state.settings.notificationTime) { selectedTime ->
+                        viewModel.update(state.settings.copy(notificationTime = selectedTime))
+                    }
+                }
+            }
+
+            item {
+                NotificationCard("News") {
+                    ToggleRow("Neue News", state.settings.newNews) {
+                        viewModel.update(state.settings.copy(newNews = it))
+                    }
+                }
+            }
+
+            item {
+                NotificationCard("Termine") {
+                    ToggleRow("Neue Termine", state.settings.newEvents) {
+                        viewModel.update(state.settings.copy(newEvents = it))
+                    }
+                    ToggleRow("Termine von heute", state.settings.eventsToday) {
+                        viewModel.update(state.settings.copy(eventsToday = it))
+                    }
+                    ToggleRow("Termine von morgen", state.settings.eventsTomorrow) {
+                        viewModel.update(state.settings.copy(eventsTomorrow = it))
+                    }
+                }
+            }
+
+            item {
+                NotificationCard("Punktspiele") {
+                    ToggleRow("Punktspiele der eigenen Mannschaft", state.settings.ownTeamMatches) {
+                        viewModel.update(state.settings.copy(ownTeamMatches = it))
+                    }
+                    Text("Die eigene Mannschaft wird später aus den Mannschaftsdefinitionen der aktuellen Saison ermittelt.", color = Accent700)
+                    ToggleRow("Punktspiele aller Mannschaften", state.settings.allTeamMatches) {
+                        viewModel.update(state.settings.copy(allTeamMatches = it))
+                    }
+                    TeamSelection(
+                        teams = state.teams,
+                        seasons = state.seasons,
+                        selectedSeason = state.settings.selectedTeamSeason,
+                        settings = state.settings,
+                        onSelectSeason = viewModel::selectSeason,
+                        onToggleTeam = viewModel::toggleTeam,
+                    )
+                }
+            }
+
+            item {
+                NotificationCard("Mitglieder") {
+                    ToggleRow("Geburtstage", state.settings.birthdays) {
+                        viewModel.update(state.settings.copy(birthdays = it))
+                    }
+                }
+            }
+
+            if (isBoard) {
+                item {
+                    NotificationCard("Vorstand") {
+                        ToggleRow("Neue Kontaktanfrage", state.settings.newContactRequest) {
+                            viewModel.update(state.settings.copy(newContactRequest = it))
+                        }
+                        ToggleRow("Neue Benutzerregistrierung", state.settings.newUserRegistration) {
+                            viewModel.update(state.settings.copy(newUserRegistration = it))
+                        }
+                    }
+                }
+            }
+        }
+
+        state.saveError?.let { message ->
+            item { Text(message, color = MaterialTheme.colorScheme.error) }
+        }
+
+        state.error?.let { message ->
+            item {
+                Text(message, color = MaterialTheme.colorScheme.error)
+                TextButton(onClick = viewModel::load) { Text("Erneut laden") }
+            }
+        }
+    }
+}
+
+@Composable
+private fun NotificationCard(title: String, content: @Composable ColumnScope.() -> Unit) {
+    Surface(color = Color.White, shape = RoundedCornerShape(12.dp), shadowElevation = 2.dp) {
+        Column(Modifier.fillMaxWidth().padding(18.dp), verticalArrangement = Arrangement.spacedBy(12.dp)) {
+            Text(title, style = MaterialTheme.typography.titleLarge, color = Accent900)
+            content()
+        }
+    }
+}
+
+@Composable
+private fun ToggleRow(label: String, checked: Boolean, onCheckedChange: (Boolean) -> Unit) {
+    Row(
+        verticalAlignment = Alignment.CenterVertically,
+        horizontalArrangement = Arrangement.spacedBy(12.dp),
+        modifier = Modifier.fillMaxWidth(),
+    ) {
+        Text(label, color = Accent900, modifier = Modifier.weight(1f))
+        Switch(checked = checked, onCheckedChange = onCheckedChange)
+    }
+}
+
+@Composable
+private fun TimeSelection(selectedTime: String, onSelectTime: (String) -> Unit) {
+    Row(
+        modifier = Modifier.fillMaxWidth().horizontalScroll(rememberScrollState()),
+        horizontalArrangement = Arrangement.spacedBy(8.dp),
+    ) {
+        notificationTimes.forEach { time ->
+            if (time == selectedTime) {
+                Button(onClick = { onSelectTime(time) }) { Text(time) }
+            } else {
+                OutlinedButton(onClick = { onSelectTime(time) }) { Text(time) }
+            }
+        }
+    }
+}
+
+@Composable
+private fun TeamSelection(
+    teams: List<Mannschaft>,
+    seasons: List<String>,
+    selectedSeason: String?,
+    settings: NotificationPreferences,
+    onSelectSeason: (String) -> Unit,
+    onToggleTeam: (String, Boolean) -> Unit,
+) {
+    Surface(color = Primary100, shape = RoundedCornerShape(10.dp)) {
+        Column(Modifier.fillMaxWidth().padding(12.dp), verticalArrangement = Arrangement.spacedBy(10.dp)) {
+            Text("Ausgewählte Mannschaften", color = Accent900, fontWeight = FontWeight.SemiBold)
+            Text("Zusätzlich einzelne Mannschaften abonnieren.", color = Accent700)
+            if (seasons.isNotEmpty()) {
+                Row(
+                    modifier = Modifier.fillMaxWidth().horizontalScroll(rememberScrollState()),
+                    horizontalArrangement = Arrangement.spacedBy(8.dp),
+                ) {
+                    seasons.forEach { season ->
+                        val selected = season == selectedSeason
+                        if (selected) {
+                            Button(onClick = { onSelectSeason(season) }) { Text(season) }
+                        } else {
+                            OutlinedButton(onClick = { onSelectSeason(season) }) { Text(season) }
+                        }
+                    }
+                }
+            }
+            if (teams.isEmpty()) {
+                Text("Keine Mannschaften verfügbar.", color = Accent700)
+            } else {
+                teams.forEach { team ->
+                    Row(verticalAlignment = Alignment.CenterVertically, modifier = Modifier.fillMaxWidth()) {
+                        Checkbox(
+                            checked = team.slug in settings.selectedTeamSlugs,
+                            onCheckedChange = { onToggleTeam(team.slug, it) },
+                        )
+                        Text(team.mannschaft, color = Accent900)
+                    }
+                }
+            }
+        }
+    }
+}
--- a/android-app/app/src/main/java/de/harheimertc/ui/screens/notifications/NotificationSettingsViewModel.kt
+++ b/android-app/app/src/main/java/de/harheimertc/ui/screens/notifications/NotificationSettingsViewModel.kt
@@ -0,0 +1,110 @@
+package de.harheimertc.ui.screens.notifications
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
+import de.harheimertc.repositories.Mannschaft
+import de.harheimertc.repositories.MannschaftenRepository
+import de.harheimertc.repositories.NotificationPreferences
+import de.harheimertc.repositories.NotificationPreferencesRepository
+import kotlinx.coroutines.flow.MutableStateFlow
+import kotlinx.coroutines.flow.StateFlow
+import kotlinx.coroutines.launch
+import javax.inject.Inject
+
+data class NotificationSettingsUiState(
+    val loading: Boolean = true,
+    val settings: NotificationPreferences = NotificationPreferences(),
+    val teams: List<Mannschaft> = emptyList(),
+    val seasons: List<String> = emptyList(),
+    val error: String? = null,
+    val saveError: String? = null,
+)
+
+@HiltViewModel
+class NotificationSettingsViewModel @Inject constructor(
+    private val preferencesRepository: NotificationPreferencesRepository,
+    private val mannschaftenRepository: MannschaftenRepository,
+) : ViewModel() {
+    private val _state = MutableStateFlow(NotificationSettingsUiState())
+    val state: StateFlow<NotificationSettingsUiState> = _state
+
+    init {
+        load()
+    }
+
+    fun load() {
+        viewModelScope.launch {
+            _state.value = _state.value.copy(loading = true, error = null, saveError = null)
+            val storedSettings = preferencesRepository.loadRemote().getOrElse { preferencesRepository.loadLocal() }
+            val seasonsResponse = mannschaftenRepository.fetchSeasons().getOrNull()
+            val seasons = seasonsResponse?.seasons.orEmpty()
+            val selectedSeason = storedSettings.selectedTeamSeason
+                ?: seasonsResponse?.defaultSeason?.takeIf { it.isNotBlank() }
+                ?: seasons.firstOrNull()
+            loadTeams(storedSettings.copy(selectedTeamSeason = selectedSeason), seasons)
+        }
+    }
+
+    fun selectSeason(season: String) {
+        val current = _state.value.settings
+        viewModelScope.launch {
+            _state.value = _state.value.copy(loading = true, error = null, saveError = null)
+            loadTeams(current.copy(selectedTeamSeason = season), _state.value.seasons, syncRemote = true)
+        }
+    }
+
+    fun update(settings: NotificationPreferences) {
+        preferencesRepository.saveLocal(settings)
+        _state.value = _state.value.copy(settings = settings, saveError = null)
+        viewModelScope.launch {
+            preferencesRepository.saveRemote(settings)
+                .onSuccess { saved -> _state.value = _state.value.copy(settings = saved, saveError = null) }
+                .onFailure { error ->
+                    _state.value = _state.value.copy(saveError = error.message ?: "Benachrichtigungseinstellungen konnten nicht gespeichert werden.")
+                }
+        }
+    }
+
+    fun toggleTeam(slug: String, selected: Boolean) {
+        val current = _state.value.settings
+        val nextTeams = if (selected) {
+            current.selectedTeamSlugs + slug
+        } else {
+            current.selectedTeamSlugs - slug
+        }
+        update(current.copy(selectedTeamSlugs = nextTeams))
+    }
+
+    private suspend fun loadTeams(settings: NotificationPreferences, seasons: List<String>, syncRemote: Boolean = false) {
+        mannschaftenRepository.fetchMannschaften(settings.selectedTeamSeason)
+            .onSuccess { teams ->
+                val knownSlugs = teams.map { it.slug }.toSet()
+                val nextSettings = settings.copy(selectedTeamSlugs = settings.selectedTeamSlugs.intersect(knownSlugs))
+                preferencesRepository.saveLocal(nextSettings)
+                val saveError = if (syncRemote) {
+                    preferencesRepository.saveRemote(nextSettings).exceptionOrNull()?.message
+                } else null
+                _state.value = NotificationSettingsUiState(
+                    loading = false,
+                    settings = nextSettings,
+                    teams = teams,
+                    seasons = seasons,
+                    saveError = saveError,
+                )
+            }
+            .onFailure { error ->
+                preferencesRepository.saveLocal(settings)
+                val saveError = if (syncRemote) {
+                    preferencesRepository.saveRemote(settings).exceptionOrNull()?.message
+                } else null
+                _state.value = NotificationSettingsUiState(
+                    loading = false,
+                    settings = settings,
+                    seasons = seasons,
+                    error = error.message ?: "Mannschaften konnten nicht geladen werden.",
+                    saveError = saveError,
+                )
+            }
+    }
+}