fix: animiere Live-Ticker und stabilisiere Benachrichtigungsschalter

android-app/app/src/main/java/de/harheimertc/repositories/NotificationPreferencesRepository.kt

@@ -88,13 +88,12 @@ class NotificationPreferencesRepository @Inject constructor(
     }
 
     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)
+                requireLiveNotificationSettingsSaved(settings, saved)
                 saved
             }
         }
@@ -120,6 +119,15 @@ class NotificationPreferencesRepository @Inject constructor(
     }
 }
 
+internal fun requireLiveNotificationSettingsSaved(requested: NotificationPreferences, saved: NotificationPreferences) {
+    if (requested.liveTickerStarts != saved.liveTickerStarts ||
+        requested.liveTickerScoreChanges != saved.liveTickerScoreChanges ||
+        requested.liveTickerFinished != saved.liveTickerFinished
+    ) {
+        error("Der Server hat die Live-Benachrichtigungen nicht übernommen. Bitte das Backend aktualisieren und erneut versuchen.")
+    }
+}
+
 private fun NotificationSettingsDto.toPreferences(): NotificationPreferences = NotificationPreferences(
     newNews = newNews,
     newEvents = newEvents,

android-app/app/src/main/java/de/harheimertc/ui/components/LiveTickerBanner.kt

@@ -1,25 +1,40 @@
 package de.harheimertc.ui.components
 
-import androidx.compose.foundation.horizontalScroll
+import androidx.compose.animation.core.Animatable
+import androidx.compose.animation.core.LinearEasing
+import androidx.compose.animation.core.tween
+import androidx.compose.foundation.layout.BoxWithConstraints
 import androidx.compose.foundation.layout.Row
 import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.layout.widthIn
+import androidx.compose.foundation.layout.wrapContentWidth
 import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Surface
 import androidx.compose.material3.Text
+import androidx.compose.material3.TextButton
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
+import androidx.compose.runtime.withFrameNanos
 import androidx.compose.ui.Modifier
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.draw.clipToBounds
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.graphicsLayer
+import androidx.compose.ui.layout.onSizeChanged
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.semantics.clearAndSetSemantics
+import androidx.compose.ui.semantics.contentDescription
+import androidx.compose.ui.semantics.semantics
 import androidx.compose.ui.text.font.FontStyle
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.unit.dp
 import de.harheimertc.data.LiveTickerMatchDto
+import kotlinx.coroutines.isActive
 
 @Composable
 fun LiveTickerBanner(matches: List<LiveTickerMatchDto>, loaded: Boolean) {
@@ -45,34 +60,78 @@ fun LiveTickerBanner(matches: List<LiveTickerMatchDto>, loaded: Boolean) {
 
     if (matches.isEmpty()) return
 
+    var paused by remember { mutableStateOf(false) }
     Surface(color = Color(0xFFEAF8F8), modifier = Modifier.fillMaxWidth()) {
-        Row(
-            modifier = Modifier
-                .horizontalScroll(rememberScrollState())
-                .padding(horizontal = 16.dp, vertical = 9.dp),
-        ) {
-            matches.forEachIndexed { index, match ->
-                if (index > 0) {
-                    Text("  •  ", color = Color(0xFF64748B))
+        Row(verticalAlignment = Alignment.CenterVertically) {
+            TextButton(
+                onClick = { paused = !paused },
+                modifier = Modifier.semantics {
+                    contentDescription = if (paused) "Laufschrift fortsetzen" else "Laufschrift anhalten"
+                },
+            ) {
+                Text(if (paused) "▶" else "Ⅱ", color = Color(0xFF334155))
+            }
+            BoxWithConstraints(modifier = Modifier.weight(1f).clipToBounds()) {
+                val viewportWidth = maxWidth
+                var groupWidth by remember { mutableStateOf(0) }
+                val offset = remember { Animatable(0f) }
+                val pixelsPerSecond = with(LocalDensity.current) { 36.dp.toPx() }
+                LaunchedEffect(groupWidth, pixelsPerSecond, paused) {
+                    if (groupWidth <= 0 || paused) return@LaunchedEffect
+                    offset.snapTo(offset.value % groupWidth)
+                    while (isActive) {
+                        val duration = ((groupWidth - offset.value) / pixelsPerSecond * 1000).toInt().coerceAtLeast(1)
+                        offset.animateTo(groupWidth.toFloat(), tween(duration, easing = LinearEasing))
+                        offset.snapTo(0f)
+                        // Also yield when system animations are disabled.
+                        withFrameNanos { }
+                    }
                 }
-                val status = when {
-                    match.completed -> "✓ beendet"
-                    match.hasLiveData -> "● LIVE"
-                    else -> "◌ Keine Live-Daten"
+                Row(
+                    modifier = Modifier
+                        .wrapContentWidth(Alignment.Start, unbounded = true)
+                        .graphicsLayer { translationX = -offset.value },
+                ) {
+                    repeat(2) { copy ->
+                        LiveTickerGroup(
+                            matches = matches,
+                            modifier = Modifier
+                                .widthIn(min = viewportWidth)
+                                .then(if (copy == 0) Modifier.onSizeChanged { groupWidth = it.width } else Modifier.clearAndSetSemantics {}),
+                        )
+                    }
                 }
-                Text(
-                    text = "$status  ${match.homeTeam} – ${match.awayTeam}  ${match.score}",
-                    color = when {
-                        match.completed -> Color(0xFF64748B)
-                        match.hasLiveData -> Color(0xFFB91C1C)
-                        else -> Color(0xFF334155)
-                    },
-                    style = MaterialTheme.typography.labelLarge,
-                    fontWeight = if (match.completed) FontWeight.Normal else FontWeight.SemiBold,
-                    fontStyle = if (match.completed) FontStyle.Italic else FontStyle.Normal,
-                    maxLines = 1,
-                )
             }
         }
     }
 }
+
+@Composable
+private fun LiveTickerGroup(matches: List<LiveTickerMatchDto>, modifier: Modifier = Modifier) {
+    Row(
+        modifier = modifier.padding(start = 16.dp, end = 32.dp, top = 9.dp, bottom = 9.dp),
+    ) {
+        matches.forEachIndexed { index, match ->
+            if (index > 0) {
+                Text("  •  ", color = Color(0xFF64748B))
+            }
+            val status = when {
+                match.completed -> "✓ beendet"
+                match.hasLiveData -> "● LIVE"
+                else -> "◌ Keine Live-Daten"
+            }
+            Text(
+                text = "$status  ${match.homeTeam} – ${match.awayTeam}  ${match.score}",
+                color = when {
+                    match.completed -> Color(0xFF64748B)
+                    match.hasLiveData -> Color(0xFFB91C1C)
+                    else -> Color(0xFF334155)
+                },
+                style = MaterialTheme.typography.labelLarge,
+                fontWeight = if (match.completed) FontWeight.Normal else FontWeight.SemiBold,
+                fontStyle = if (match.completed) FontStyle.Italic else FontStyle.Normal,
+                maxLines = 1,
+            )
+        }
+    }
+}

android-app/app/src/main/java/de/harheimertc/ui/screens/notifications/NotificationSettingsScreen.kt

@@ -210,7 +210,10 @@ fun NotificationSettingsScreen(
         }
 
         state.saveError?.let { message ->
-            item { Text(message, color = MaterialTheme.colorScheme.error) }
+            item {
+                Text(message, color = MaterialTheme.colorScheme.error)
+                TextButton(onClick = { viewModel.update(state.settings) }) { Text("Erneut speichern") }
+            }
         }
 
         state.error?.let { message ->

android-app/app/src/main/java/de/harheimertc/ui/screens/notifications/NotificationSettingsViewModel.kt

@@ -12,6 +12,8 @@ import de.harheimertc.repositories.PushTokenRepository
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.sync.Mutex
+import kotlinx.coroutines.sync.withLock
 import javax.inject.Inject
 
 data class NotificationSettingsUiState(
@@ -37,6 +39,8 @@ class NotificationSettingsViewModel @Inject constructor(
 ) : ViewModel() {
     private val _state = MutableStateFlow(NotificationSettingsUiState())
     val state: StateFlow<NotificationSettingsUiState> = _state
+    private val saveMutex = Mutex()
+    private var settingsRevision = 0L
 
     init {
         load()
@@ -66,14 +70,21 @@ class NotificationSettingsViewModel @Inject constructor(
     }
 
     fun update(settings: NotificationPreferences) {
+        val revision = ++settingsRevision
         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 ->
+            saveMutex.withLock {
+                if (revision != settingsRevision) return@withLock
+                val result = preferencesRepository.saveRemote(settings)
+                if (revision != settingsRevision) return@withLock
+                result.onSuccess { saved ->
+                    preferencesRepository.saveLocal(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.")
                 }
+            }
         }
     }
 

android-app/app/src/test/java/de/harheimertc/ui/screens/login/LoginViewModelTest.kt

@@ -38,7 +38,7 @@ class LoginViewModelTest {
         val repo = mockk<de.harheimertc.repositories.LoginRepository>()
         val passkeyRepo = mockk<de.harheimertc.repositories.PasskeyRepository>()
         coEvery { repo.status() } returns Result.success(de.harheimertc.data.AuthStatusResponse())
-        val vm = LoginViewModel(repo, passkeyRepo)
+        val vm = LoginViewModel(repo, passkeyRepo, mockk(relaxed = true))
 
         vm.setEmail("invalid-email")
         vm.setPassword("")
@@ -57,7 +57,7 @@ class LoginViewModelTest {
         val passkeyRepo = mockk<de.harheimertc.repositories.PasskeyRepository>()
         coEvery { repo.login(any(), any()) } returns Result.success(loginResp)
         coEvery { repo.status() } returns Result.success(de.harheimertc.data.AuthStatusResponse())
-        val vm = LoginViewModel(repo, passkeyRepo)
+        val vm = LoginViewModel(repo, passkeyRepo, mockk(relaxed = true))
 
         vm.setEmail("max@ex.de")
         vm.setPassword("secret")

android-app/app/src/test/java/de/harheimertc/ui/screens/notifications/NotificationSettingsViewModelTest.kt

@@ -0,0 +1,96 @@
+package de.harheimertc.ui.screens.notifications
+
+import de.harheimertc.data.AuthStatusResponse
+import de.harheimertc.repositories.LoginRepository
+import de.harheimertc.repositories.MannschaftenRepository
+import de.harheimertc.repositories.NotificationPreferences
+import de.harheimertc.repositories.NotificationPreferencesRepository
+import de.harheimertc.repositories.PushTokenRepository
+import de.harheimertc.repositories.requireLiveNotificationSettingsSaved
+import io.mockk.coEvery
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.verify
+import kotlinx.coroutines.CompletableDeferred
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.test.StandardTestDispatcher
+import kotlinx.coroutines.test.resetMain
+import kotlinx.coroutines.test.runCurrent
+import kotlinx.coroutines.test.runTest
+import kotlinx.coroutines.test.setMain
+import org.junit.After
+import org.junit.Assert.*
+import org.junit.Before
+import org.junit.Test
+
+@OptIn(ExperimentalCoroutinesApi::class)
+class NotificationSettingsViewModelTest {
+    private val dispatcher = StandardTestDispatcher()
+    private val preferences = mockk<NotificationPreferencesRepository>(relaxed = true)
+    private val teams = mockk<MannschaftenRepository>()
+    private val login = mockk<LoginRepository>()
+
+    @Before
+    fun setUp() {
+        Dispatchers.setMain(dispatcher)
+        every { preferences.loadLocal() } returns NotificationPreferences()
+        coEvery { preferences.loadRemote() } returns Result.success(NotificationPreferences())
+        coEvery { login.status() } returns Result.success(AuthStatusResponse())
+        coEvery { teams.fetchSeasons() } returns Result.failure(IllegalStateException("offline"))
+        coEvery { teams.fetchMannschaften(any()) } returns Result.success(emptyList())
+    }
+
+    @After
+    fun tearDown() {
+        Dispatchers.resetMain()
+    }
+
+    private fun viewModel() = NotificationSettingsViewModel(preferences, teams, login, mockk<PushTokenRepository>())
+
+    @Test
+    fun olderResponseCannotUndoNewerSwitches() = runTest(dispatcher) {
+        val firstResponse = CompletableDeferred<Result<NotificationPreferences>>()
+        val first = NotificationPreferences(liveTickerStarts = true)
+        val latest = first.copy(liveTickerScoreChanges = true, liveTickerFinished = true)
+        coEvery { preferences.saveRemote(first) } coAnswers { firstResponse.await() }
+        coEvery { preferences.saveRemote(latest) } returns Result.success(latest)
+        val vm = viewModel()
+        runCurrent()
+        vm.update(first)
+        runCurrent()
+        vm.update(latest)
+        runCurrent()
+        firstResponse.complete(Result.success(first))
+        runCurrent()
+        assertEquals(latest, vm.state.value.settings)
+        verify(exactly = 1) { preferences.saveLocal(first) }
+        verify(atLeast = 1) { preferences.saveLocal(latest) }
+    }
+
+    @Test
+    fun rejectedLiveSettingsStayVisibleWithSaveError() = runTest(dispatcher) {
+        val requested = NotificationPreferences(liveTickerFinished = true)
+        coEvery { preferences.saveRemote(requested) } returns Result.failure(IllegalStateException("Backend aktualisieren"))
+        val vm = viewModel()
+        runCurrent()
+        vm.update(requested)
+        runCurrent()
+        assertTrue(vm.state.value.settings.liveTickerFinished)
+        assertEquals("Backend aktualisieren", vm.state.value.saveError)
+    }
+
+    @Test
+    fun serverMustConfirmEachLivePreference() {
+        val defaults = NotificationPreferences()
+        for (requested in listOf(
+            defaults.copy(liveTickerStarts = true),
+            defaults.copy(liveTickerScoreChanges = true),
+            defaults.copy(liveTickerFinished = true),
+        )) {
+            val error = runCatching { requireLiveNotificationSettingsSaved(requested, defaults) }.exceptionOrNull()
+            assertTrue(error?.message.orEmpty().contains("Server"))
+            requireLiveNotificationSettingsSaved(requested, requested)
+        }
+    }
+}

android-app/gradle.properties

@@ -8,8 +8,8 @@ LOCAL_API_BASE_URL=https://harheimertc.tsschulz.de/
 PRODUCTION_API_BASE_URL=https://harheimertc.de/
 
 # Android app versioning for Play Store uploads
-ANDROID_VERSION_CODE=38
-ANDROID_VERSION_NAME=0.11.0
+ANDROID_VERSION_CODE=39
+ANDROID_VERSION_NAME=0.11.1
 
 # Temporary hotfix: disable R8 minification for release to avoid Retrofit generic signature stripping.
 RELEASE_MINIFY_ENABLED=false