Use ExceptionHandler

app/src/main/java/com/github/damontecres/dolphin/ui/components/Dialogs.kt

@@ -46,6 +46,7 @@ import androidx.tv.material3.MaterialTheme
 import androidx.tv.material3.Text
 import androidx.tv.material3.surfaceColorAtElevation
 import com.github.damontecres.dolphin.ui.FontAwesome
+import com.github.damontecres.dolphin.util.ExceptionHandler
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
 
@@ -229,7 +230,7 @@ fun ScrollableDialog(
     val scope = rememberCoroutineScope()
 
     fun scroll(reverse: Boolean = false) {
-        scope.launch {
+        scope.launch(ExceptionHandler()) {
             columnState.scrollBy(if (reverse) -scrollAmount else scrollAmount)
         }
     }

app/src/main/java/com/github/damontecres/dolphin/ui/components/details/VideoDetailsHeader.kt

@@ -38,6 +38,7 @@ import com.github.damontecres.dolphin.ui.components.TitleValueText
 import com.github.damontecres.dolphin.ui.isNotNullOrBlank
 import com.github.damontecres.dolphin.ui.playOnClickSound
 import com.github.damontecres.dolphin.ui.playSoundOnFocus
+import com.github.damontecres.dolphin.util.ExceptionHandler
 import kotlinx.coroutines.launch
 import java.util.SortedMap
 import kotlin.time.Duration
@@ -137,7 +138,7 @@ fun VideoDetailsHeader(
                             .background(bgColor, shape = RoundedCornerShape(8.dp))
                             .onFocusChanged {
                                 if (it.isFocused) {
-                                    scope.launch { bringIntoViewRequester.bringIntoView() }
+                                    scope.launch(ExceptionHandler()) { bringIntoViewRequester.bringIntoView() }
                                 }
                             }.playSoundOnFocus(true)
                             .clickable(
@@ -181,7 +182,7 @@ fun VideoDetailsHeader(
             },
             moreOnClick = { moreOnClick.invoke() },
             buttonOnFocusChanged = {
-                scope.launch { bringIntoViewRequester.bringIntoView() }
+                scope.launch(ExceptionHandler()) { bringIntoViewRequester.bringIntoView() }
             },
             focusRequester = focusRequester,
             modifier = Modifier,

app/src/main/java/com/github/damontecres/dolphin/ui/detail/CardGrid.kt

@@ -51,6 +51,7 @@ import com.github.damontecres.dolphin.ui.playback.isBackwardButton
 import com.github.damontecres.dolphin.ui.playback.isForwardButton
 import com.github.damontecres.dolphin.ui.playback.isPlayKeyUp
 import com.github.damontecres.dolphin.ui.tryRequestFocus
+import com.github.damontecres.dolphin.util.ExceptionHandler
 import com.github.damontecres.dolphin.util.ItemPager
 import kotlinx.coroutines.launch
 import timber.log.Timber
@@ -169,7 +170,7 @@ fun CardGrid(
         }
 
     val jump = { jump: Int ->
-        scope.launch {
+        scope.launch(ExceptionHandler()) {
             val newPosition =
                 (gridState.firstVisibleItemIndex + jump).coerceIn(0..<pager.size)
             if (DEBUG) Timber.d("newPosition=$newPosition")
@@ -179,7 +180,7 @@ fun CardGrid(
         }
     }
     val jumpToTop = {
-        scope.launch {
+        scope.launch(ExceptionHandler()) {
             if (focusedIndex < (columns * 6)) {
                 // If close, animate the scroll
                 gridState.animateScrollToItem(0, 0)
@@ -205,7 +206,7 @@ fun CardGrid(
                         if (DEBUG) Timber.d("Back long pressed: newPosition=$newPosition")
                         if (newPosition > 0) {
                             focusOn(newPosition)
-                            scope.launch {
+                            scope.launch(ExceptionHandler()) {
                                 gridState.scrollToItem(newPosition, -columns)
                                 firstFocus.tryRequestFocus()
                             }
@@ -366,7 +367,7 @@ fun CardGrid(
             AlphabetButtons(
                 modifier = Modifier.align(Alignment.CenterVertically),
                 letterClicked = { letter ->
-                    scope.launch {
+                    scope.launch(ExceptionHandler()) {
                         val jumpPosition = letterPosition.invoke(letter)
                         Timber.d("Alphabet jump to $jumpPosition")
                         gridState.scrollToItem(jumpPosition)

app/src/main/java/com/github/damontecres/dolphin/ui/detail/CollectionFolderDetails.kt

@@ -16,6 +16,7 @@ import com.github.damontecres.dolphin.preferences.UserPreferences
 import com.github.damontecres.dolphin.ui.OneTimeLaunchedEffect
 import com.github.damontecres.dolphin.ui.nav.Destination
 import com.github.damontecres.dolphin.ui.nav.NavigationManager
+import com.github.damontecres.dolphin.util.ExceptionHandler
 import com.github.damontecres.dolphin.util.ItemPager
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Job
@@ -43,7 +44,7 @@ class CollectionFolderViewModel
             itemId: UUID,
             potential: BaseItem?,
         ): Job =
-            viewModelScope.launch {
+            viewModelScope.launch(ExceptionHandler()) {
                 super.init(itemId, potential)?.join()
                 setup()
             }

app/src/main/java/com/github/damontecres/dolphin/ui/detail/ItemViewModel.kt

@@ -6,6 +6,7 @@ import androidx.lifecycle.viewModelScope
 import com.github.damontecres.dolphin.data.model.BaseItem
 import com.github.damontecres.dolphin.data.model.DolphinModel
 import com.github.damontecres.dolphin.data.model.convertModel
+import com.github.damontecres.dolphin.util.ExceptionHandler
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.launch
 import org.jellyfin.sdk.api.client.ApiClient
@@ -32,7 +33,7 @@ abstract class ItemViewModel<T : DolphinModel>(
         if (item.value?.id == itemId) {
             return null
         }
-        return viewModelScope.launch {
+        return viewModelScope.launch(ExceptionHandler()) {
             try {
                 val fetchedItem = api.userLibraryApi.getItem(itemId).content
                 val modelInstance = convertModel(fetchedItem, api)

app/src/main/java/com/github/damontecres/dolphin/ui/detail/SeasonDetails.kt

@@ -21,6 +21,7 @@ import com.github.damontecres.dolphin.preferences.UserPreferences
 import com.github.damontecres.dolphin.ui.cards.ItemRow
 import com.github.damontecres.dolphin.ui.nav.Destination
 import com.github.damontecres.dolphin.ui.nav.NavigationManager
+import com.github.damontecres.dolphin.util.ExceptionHandler
 import com.github.damontecres.dolphin.util.ItemPager
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Job
@@ -46,7 +47,7 @@ class SeasonViewModel
             itemId: UUID,
             potential: BaseItem?,
         ): Job? =
-            viewModelScope.launch {
+            viewModelScope.launch(ExceptionHandler()) {
                 super.init(itemId, potential)?.join()
                 item.value?.let { item ->
                     val request =

app/src/main/java/com/github/damontecres/dolphin/ui/detail/SeriesDetails.kt

@@ -19,6 +19,7 @@ import com.github.damontecres.dolphin.ui.indexOfFirstOrNull
 import com.github.damontecres.dolphin.ui.nav.Destination
 import com.github.damontecres.dolphin.ui.nav.NavigationManager
 import com.github.damontecres.dolphin.util.ApiRequestPager
+import com.github.damontecres.dolphin.util.ExceptionHandler
 import com.github.damontecres.dolphin.util.GetEpisodesRequestHandler
 import com.github.damontecres.dolphin.util.ItemPager
 import dagger.hilt.android.lifecycle.HiltViewModel
@@ -52,7 +53,7 @@ class SeriesViewModel
             itemId: UUID,
             potential: BaseItem?,
         ): Job =
-            viewModelScope.launch {
+            viewModelScope.launch(ExceptionHandler()) {
                 super.init(itemId, potential)?.join()
                 item.value?.let { item ->
                     val request =
@@ -90,7 +91,7 @@ class SeriesViewModel
             season: Int?,
             episode: Int?,
         ) {
-            viewModelScope.launch {
+            viewModelScope.launch(ExceptionHandler()) {
                 init(itemId, potential).join()
                 season?.let { seasonNum ->
                     val targetSeasonPosition =
@@ -103,7 +104,7 @@ class SeriesViewModel
         }
 
         fun loadEpisodes(season: Int): Deferred<ApiRequestPager<*>> =
-            viewModelScope.async {
+            viewModelScope.async(ExceptionHandler()) {
                 val request =
                     GetEpisodesRequest(
                         seriesId = item.value!!.id,
@@ -130,7 +131,7 @@ class SeriesViewModel
             itemId: UUID,
             played: Boolean,
             listIndex: Int,
-        ) = viewModelScope.launch {
+        ) = viewModelScope.launch(ExceptionHandler()) {
             if (played) {
                 api.playStateApi.markPlayedItem(itemId)
             } else {
@@ -142,7 +143,7 @@ class SeriesViewModel
         fun refreshEpisode(
             itemId: UUID,
             listIndex: Int,
-        ) = viewModelScope.launch {
+        ) = viewModelScope.launch(ExceptionHandler()) {
             val base = api.userLibraryApi.getItem(itemId).content
             val item = BaseItem.from(base, api)
             episodes.value =

app/src/main/java/com/github/damontecres/dolphin/ui/main/MainPage.kt

@@ -10,9 +10,11 @@ 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.lazy.LazyColumn
 import androidx.compose.foundation.lazy.items
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.livedata.observeAsState
 import androidx.compose.runtime.mutableStateOf
@@ -22,6 +24,8 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.alpha
 import androidx.compose.ui.draw.drawWithContent
+import androidx.compose.ui.focus.FocusRequester
+import androidx.compose.ui.focus.focusRequester
 import androidx.compose.ui.graphics.Brush
 import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.layout.ContentScale
@@ -37,11 +41,15 @@ import com.github.damontecres.dolphin.data.model.BaseItem
 import com.github.damontecres.dolphin.preferences.UserPreferences
 import com.github.damontecres.dolphin.ui.cards.BannerCard
 import com.github.damontecres.dolphin.ui.cards.ItemRow
+import com.github.damontecres.dolphin.ui.components.CircularProgress
 import com.github.damontecres.dolphin.ui.components.DotSeparatedRow
+import com.github.damontecres.dolphin.ui.ifElse
 import com.github.damontecres.dolphin.ui.isNotNullOrBlank
 import com.github.damontecres.dolphin.ui.nav.NavigationManager
 import com.github.damontecres.dolphin.ui.roundMinutes
 import com.github.damontecres.dolphin.ui.timeRemaining
+import com.github.damontecres.dolphin.ui.tryRequestFocus
+import com.github.damontecres.dolphin.util.LoadingState
 import com.github.damontecres.dolphin.util.formatDateTime
 import org.jellyfin.sdk.model.api.BaseItemKind
 import org.jellyfin.sdk.model.extensions.ticks
@@ -59,8 +67,39 @@ fun MainPage(
     modifier: Modifier,
     viewModel: MainViewModel = hiltViewModel(),
 ) {
-    val homeRows by viewModel.homeRows.observeAsState(listOf())
-    var focusedItem by remember { mutableStateOf<BaseItem?>(null) }
+    val loading by viewModel.loadingState.observeAsState(LoadingState.Loading)
+    when (val state = loading) {
+        is LoadingState.Error -> Text(text = "Error: ${state.message}", modifier = modifier)
+        LoadingState.Loading ->
+            Box(
+                modifier = modifier,
+                contentAlignment = Alignment.Center,
+            ) {
+                CircularProgress(modifier = Modifier.size(250.dp))
+            }
+
+        LoadingState.Success -> {
+            val homeRows by viewModel.homeRows.observeAsState(listOf())
+            MainPageContent(navigationManager, homeRows, modifier)
+        }
+    }
+}
+
+@Composable
+fun MainPageContent(
+    navigationManager: NavigationManager,
+    homeRows: List<HomeRow>,
+    modifier: Modifier = Modifier,
+) {
+    var focusedItem by remember {
+        mutableStateOf<BaseItem?>(
+            homeRows.getOrNull(0)?.items?.getOrNull(
+                0,
+            ),
+        )
+    }
+    val focusRequester = remember { FocusRequester() }
+    LaunchedEffect(Unit) { if (focusedItem != null) focusRequester.tryRequestFocus() }
     Box(modifier = modifier) {
         if (focusedItem?.backdropImageUrl.isNotNullOrBlank()) {
             val gradientColor = MaterialTheme.colorScheme.background
@@ -136,7 +175,11 @@ fun MainPage(
                                 playPercent = item?.data?.userData?.playedPercentage ?: 0.0,
                                 onClick = onClick,
                                 onLongClick = onLongClick,
-                                modifier = modifier,
+                                modifier =
+                                    modifier.ifElse(
+                                        focusedItem == item,
+                                        Modifier.focusRequester(focusRequester),
+                                    ),
                                 interactionSource = null,
                                 cardHeight = 200.dp,
                             )

app/src/main/java/com/github/damontecres/dolphin/ui/main/MainViewModel.kt

@@ -6,6 +6,8 @@ import androidx.lifecycle.viewModelScope
 import com.github.damontecres.dolphin.data.model.BaseItem
 import com.github.damontecres.dolphin.ui.DefaultItemFields
 import com.github.damontecres.dolphin.ui.isNotNullOrBlank
+import com.github.damontecres.dolphin.util.ExceptionHandler
+import com.github.damontecres.dolphin.util.LoadingState
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
@@ -29,10 +31,11 @@ class MainViewModel
     constructor(
         val api: ApiClient,
     ) : ViewModel() {
+        val loadingState = MutableLiveData<LoadingState>(LoadingState.Loading)
         val homeRows = MutableLiveData<List<HomeRow>>()
 
         init {
-            viewModelScope.launch(Dispatchers.IO) {
+            viewModelScope.launch(ExceptionHandler() + Dispatchers.IO) {
                 val user = api.userApi.getCurrentUser().content
                 val displayPrefs =
                     api.displayPreferencesApi
@@ -145,6 +148,7 @@ class MainViewModel
                         .filter { it.items.isNotEmpty() }
                 withContext(Dispatchers.Main) {
                     this@MainViewModel.homeRows.value = homeRows
+                    loadingState.value = LoadingState.Success
                 }
             }
         }

app/src/main/java/com/github/damontecres/dolphin/ui/nav/NavDrawer.kt

@@ -5,6 +5,7 @@ import androidx.compose.foundation.background
 import androidx.compose.foundation.focusGroup
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
+import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
@@ -25,6 +26,7 @@ import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.focus.FocusRequester
 import androidx.compose.ui.focus.focusRequester
+import androidx.compose.ui.focus.focusRestorer
 import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.platform.LocalView
@@ -46,11 +48,13 @@ import androidx.tv.material3.NavigationDrawerScope
 import androidx.tv.material3.ProvideTextStyle
 import androidx.tv.material3.Text
 import androidx.tv.material3.rememberDrawerState
+import androidx.tv.material3.surfaceColorAtElevation
 import com.github.damontecres.dolphin.R
 import com.github.damontecres.dolphin.data.ServerRepository
 import com.github.damontecres.dolphin.data.model.Library
 import com.github.damontecres.dolphin.preferences.UserPreferences
 import com.github.damontecres.dolphin.ui.FontAwesome
+import com.github.damontecres.dolphin.util.ExceptionHandler
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.launch
 import org.jellyfin.sdk.api.client.ApiClient
@@ -69,7 +73,7 @@ class NavDrawerViewModel
         val libraries = MutableLiveData<List<Library>>(listOf())
 
         init {
-            viewModelScope.launch {
+            viewModelScope.launch(ExceptionHandler()) {
                 val userViews =
                     api.userViewsApi
                         .getUserViews()
@@ -105,62 +109,65 @@ fun NavDrawer(
     NavigationDrawer(
         modifier =
             modifier
-                .focusRequester(drawerFocusRequester),
+                .focusRequester(drawerFocusRequester)
+                .background(MaterialTheme.colorScheme.background),
         drawerState = drawerState,
         drawerContent = {
             ProvideTextStyle(MaterialTheme.typography.labelMedium) {
-                LazyColumn(
-                    state = listState,
-                    contentPadding = PaddingValues(0.dp),
-                    horizontalAlignment = Alignment.CenterHorizontally,
-                    verticalArrangement = Arrangement.SpaceBetween,
+                Column(
+                    verticalArrangement = Arrangement.spacedBy(8.dp),
                     modifier =
                         Modifier
+                            .focusGroup()
+                            // TODO fix focus restorer
+                            .focusRestorer()
                             .fillMaxHeight()
-                            .background(MaterialTheme.colorScheme.background)
-                            .focusGroup(),
+                            .background(MaterialTheme.colorScheme.surfaceColorAtElevation(1.dp)),
                 ) {
-                    item {
-                        IconNavItem(
-                            text = user?.name ?: "",
-                            icon = Icons.Default.AccountCircle,
-                            onClick = { navigationManager.navigateTo(Destination.UserList) },
-                        )
-                    }
-                    item {
-                        IconNavItem(
-                            text = "Search",
-                            icon = Icons.Default.Search,
-                            onClick = { navigationManager.navigateTo(Destination.Search) },
-                        )
-                    }
-                    item {
-                        IconNavItem(
-                            text = "Home",
-                            icon = Icons.Default.Home,
-                            onClick = { navigationManager.goToHome() },
-                        )
-                    }
-                    items(libraries) {
-                        LibraryNavItem(
-                            library = it,
-                            onClick = {
-                                navigationManager.navigateTo(
-                                    Destination.MediaItem(
-                                        it.id,
-                                        it.type,
-                                    ),
-                                )
-                            },
-                        )
-                    }
-                    item {
-                        IconNavItem(
-                            text = "Settings",
-                            icon = Icons.Default.Settings,
-                            onClick = { navigationManager.navigateTo(Destination.Settings) },
-                        )
+                    IconNavItem(
+                        text = user?.name ?: "",
+                        icon = Icons.Default.AccountCircle,
+                        onClick = { navigationManager.navigateTo(Destination.UserList) },
+                    )
+                    IconNavItem(
+                        text = "Search",
+                        icon = Icons.Default.Search,
+                        onClick = { navigationManager.navigateTo(Destination.Search) },
+                    )
+                    IconNavItem(
+                        text = "Home",
+                        icon = Icons.Default.Home,
+                        onClick = { navigationManager.goToHome() },
+                    )
+                    LazyColumn(
+                        state = listState,
+                        contentPadding = PaddingValues(0.dp),
+                        horizontalAlignment = Alignment.CenterHorizontally,
+                        verticalArrangement = Arrangement.spacedBy(8.dp),
+                        modifier =
+                            Modifier
+                                .weight(1f),
+                    ) {
+                        items(libraries) {
+                            LibraryNavItem(
+                                library = it,
+                                onClick = {
+                                    navigationManager.navigateTo(
+                                        Destination.MediaItem(
+                                            it.id,
+                                            it.type,
+                                        ),
+                                    )
+                                },
+                            )
+                        }
                     }
+                    IconNavItem(
+                        text = "Settings",
+                        icon = Icons.Default.Settings,
+                        onClick = { navigationManager.navigateTo(Destination.Settings) },
+                        modifier = Modifier,
+                    )
                 }
             }
         },

app/src/main/java/com/github/damontecres/dolphin/ui/playback/PlaybackControls.kt

@@ -59,6 +59,7 @@ import androidx.tv.material3.Text
 import com.github.damontecres.dolphin.R
 import com.github.damontecres.dolphin.ui.AppColors
 import com.github.damontecres.dolphin.ui.tryRequestFocus
+import com.github.damontecres.dolphin.util.ExceptionHandler
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.isActive
 import kotlinx.coroutines.launch
@@ -117,13 +118,13 @@ fun PlaybackControls(
 
     val bringIntoViewRequester = remember { BringIntoViewRequester() }
     val onControllerInteraction = {
-        scope.launch {
+        scope.launch(ExceptionHandler()) {
             bringIntoViewRequester.bringIntoView()
         }
         controllerViewState.pulseControls()
     }
     val onControllerInteractionForDialog = {
-        scope.launch {
+        scope.launch(ExceptionHandler()) {
             bringIntoViewRequester.bringIntoView()
         }
         controllerViewState.pulseControls(Int.MAX_VALUE)

app/src/main/java/com/github/damontecres/dolphin/ui/playback/PlaybackViewModel.kt

@@ -10,6 +10,7 @@ import androidx.media3.common.MediaItem
 import androidx.media3.exoplayer.ExoPlayer
 import com.github.damontecres.dolphin.preferences.UserPreferences
 import com.github.damontecres.dolphin.ui.nav.Destination
+import com.github.damontecres.dolphin.util.ExceptionHandler
 import com.github.damontecres.dolphin.util.TrackActivityPlaybackListener
 import com.github.damontecres.dolphin.util.profile.PlaybackListener
 import dagger.hilt.android.lifecycle.HiltViewModel
@@ -95,7 +96,7 @@ class PlaybackViewModel
             this.deviceProfile = deviceProfile
             val itemId = destination.itemId
             val item = destination.item
-            viewModelScope.launch(Dispatchers.IO) {
+            viewModelScope.launch(ExceptionHandler() + Dispatchers.IO) {
                 val base = item?.data ?: api.userLibraryApi.getItem(itemId).content
                 dto = base
 
@@ -265,7 +266,7 @@ class PlaybackViewModel
 
         fun changeAudioStream(index: Int) {
             val itemId = currentPlayback.value?.itemId ?: return
-            viewModelScope.launch {
+            viewModelScope.launch(ExceptionHandler()) {
                 changeStreams(
                     itemId,
                     index,
@@ -277,7 +278,7 @@ class PlaybackViewModel
 
         fun changeSubtitleStream(index: Int?) {
             val itemId = currentPlayback.value?.itemId ?: return
-            viewModelScope.launch {
+            viewModelScope.launch(ExceptionHandler()) {
                 changeStreams(
                     itemId,
                     currentPlayback.value?.audioIndex,

app/src/main/java/com/github/damontecres/dolphin/ui/preferences/ComposablePreference.kt

@@ -43,6 +43,7 @@ import com.github.damontecres.dolphin.ui.components.DialogParams
 import com.github.damontecres.dolphin.ui.components.DialogPopup
 import com.github.damontecres.dolphin.ui.components.EditTextBox
 import com.github.damontecres.dolphin.ui.nav.NavigationManager
+import com.github.damontecres.dolphin.util.ExceptionHandler
 import kotlinx.coroutines.launch
 
 @Suppress("UNCHECKED_CAST")
@@ -64,14 +65,14 @@ fun <T> ComposablePreference(
     val title = stringResource(preference.title)
 
     val onClick: () -> Unit = {
-        scope.launch {
+        scope.launch(ExceptionHandler()) {
             when (preference) {
                 else -> {}
             }
         }
     }
     val onLongClick: () -> Unit = {
-        scope.launch {
+        scope.launch(ExceptionHandler()) {
             when (preference) {
                 else -> null
             }

app/src/main/java/com/github/damontecres/dolphin/ui/preferences/PreferencesContent.kt

@@ -44,6 +44,7 @@ import com.github.damontecres.dolphin.ui.nav.NavigationManager
 import com.github.damontecres.dolphin.ui.playOnClickSound
 import com.github.damontecres.dolphin.ui.playSoundOnFocus
 import com.github.damontecres.dolphin.ui.tryRequestFocus
+import com.github.damontecres.dolphin.util.ExceptionHandler
 import kotlinx.coroutines.launch
 
 val basicPreferences =
@@ -295,7 +296,7 @@ fun PreferencesContent(
                                             }
 
                                             PreferenceValidation.Valid -> {
-                                                scope.launch {
+                                                scope.launch(ExceptionHandler()) {
                                                     preferences =
                                                         viewModel.preferenceDataStore.updateData { prefs ->
                                                             pref.setter(prefs, newValue)

app/src/main/java/com/github/damontecres/dolphin/ui/setup/SwitchUserViewModel.kt

@@ -7,6 +7,7 @@ import com.github.damontecres.dolphin.data.JellyfinServer
 import com.github.damontecres.dolphin.data.JellyfinServerDao
 import com.github.damontecres.dolphin.data.JellyfinUser
 import com.github.damontecres.dolphin.data.ServerRepository
+import com.github.damontecres.dolphin.util.ExceptionHandler
 import dagger.hilt.android.lifecycle.HiltViewModel
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.Job
@@ -42,7 +43,7 @@ class SwitchUserViewModel
         private var quickConnectJob: Job? = null
 
         init {
-            viewModelScope.launch(Dispatchers.IO) {
+            viewModelScope.launch(ExceptionHandler() + Dispatchers.IO) {
                 val allServers =
                     serverDao
                         .getServers()
@@ -87,7 +88,7 @@ class SwitchUserViewModel
                     }
                 }
             }
-            viewModelScope.launch(Dispatchers.IO) {
+            viewModelScope.launch(ExceptionHandler() + Dispatchers.IO) {
                 serverRepository.currentServer?.let {
                     val quickConnect =
                         jellyfin
@@ -112,7 +113,7 @@ class SwitchUserViewModel
             user: JellyfinUser,
             callback: () -> Unit,
         ) {
-            viewModelScope.launch {
+            viewModelScope.launch(ExceptionHandler()) {
                 serverRepository.changeUser(server, user)
                 callback.invoke()
             }
@@ -125,7 +126,7 @@ class SwitchUserViewModel
             onAuthenticated: () -> Unit,
         ) {
             quickConnectJob?.cancel()
-            viewModelScope.launch {
+            viewModelScope.launch(ExceptionHandler()) {
                 try {
                     val api = jellyfin.createApi(baseUrl = server.url)
                     val authenticationResult by api.userApi.authenticateUserByName(
@@ -149,7 +150,7 @@ class SwitchUserViewModel
             onAuthenticated: () -> Unit,
         ) {
             quickConnectJob?.cancel()
-            viewModelScope.launch(Dispatchers.IO) {
+            viewModelScope.launch(ExceptionHandler() + Dispatchers.IO) {
                 try {
                     val api = jellyfin.createApi(server.url)
                     var state =
@@ -162,7 +163,7 @@ class SwitchUserViewModel
                     }
 
                     quickConnectJob =
-                        viewModelScope.launch {
+                        viewModelScope.launch(ExceptionHandler()) {
                             while (!state.authenticated) {
                                 delay(5_000L)
                                 state =
@@ -203,7 +204,7 @@ class SwitchUserViewModel
             serverUrl: String,
             callback: () -> Unit,
         ) {
-            viewModelScope.launch {
+            viewModelScope.launch(ExceptionHandler()) {
                 try {
                     val serverInfo by jellyfin
                         .createApi(serverUrl)

app/src/main/java/com/github/damontecres/dolphin/util/ApiRequestPager.kt

@@ -131,7 +131,7 @@ class ApiRequestPager<T>(
         get() = totalCount
 
     private fun fetchPage(position: Int): Job =
-        scope.launch(Dispatchers.IO) {
+        scope.launch(ExceptionHandler() + Dispatchers.IO) {
             mutex.withLock {
                 val pageNumber = position / pageSize
                 if (cachedPages.getIfPresent(pageNumber) == null) {

app/src/main/java/com/github/damontecres/dolphin/util/ExceptionHandler.kt

@@ -0,0 +1,42 @@
+package com.github.damontecres.dolphin.util
+
+import android.widget.Toast
+import com.github.damontecres.dolphin.DolphinApplication
+import kotlinx.coroutines.CancellationException
+import kotlinx.coroutines.CoroutineExceptionHandler
+import timber.log.Timber
+import kotlin.coroutines.CoroutineContext
+
+/**
+ * A general [CoroutineExceptionHandler] which can optionally show [Toast]s when an exception is thrown
+ *
+ * Note: a toast will be shown for each parameter given, up to three!
+ *
+ * @param autoToast automatically show a toast with the exception's message
+ */
+class ExceptionHandler(
+    private val autoToast: Boolean = false,
+) : CoroutineExceptionHandler {
+    override val key: CoroutineContext.Key<*>
+        get() = CoroutineExceptionHandler
+
+    override fun handleException(
+        context: CoroutineContext,
+        exception: Throwable,
+    ) {
+        if (exception is CancellationException) {
+            // Don't log/toast cancellations
+            return
+        }
+        Timber.e(exception, "Exception in coroutine")
+
+        if (autoToast) {
+            Toast
+                .makeText(
+                    DolphinApplication.instance,
+                    "Error: ${exception.message}",
+                    Toast.LENGTH_LONG,
+                ).show()
+        }
+    }
+}

app/src/main/java/com/github/damontecres/dolphin/util/ItemPager.kt

@@ -80,7 +80,7 @@ class ItemPager(
         get() = totalCount
 
     private fun fetchPage(position: Int): Job =
-        scope.launch(Dispatchers.IO) {
+        scope.launch(ExceptionHandler() + Dispatchers.IO) {
             mutex.withLock {
                 val pageNumber = position / pageSize
                 if (cachedPages.getIfPresent(pageNumber) == null) {

app/src/main/java/com/github/damontecres/dolphin/util/LoadingState.kt

@@ -0,0 +1,12 @@
+package com.github.damontecres.dolphin.util
+
+sealed interface LoadingState {
+    object Loading : LoadingState
+
+    object Success : LoadingState
+
+    data class Error(
+        val message: String? = null,
+        val exception: Exception? = null,
+    ) : LoadingState
+}

app/src/main/java/com/github/damontecres/dolphin/util/TrackActivityPlaybackListener.kt

@@ -74,7 +74,7 @@ class TrackActivityPlaybackListener(
     fun release() {
         task.cancel()
         TIMER.purge()
-        coroutineScope.launch {
+        coroutineScope.launch(ExceptionHandler()) {
             api.playStateApi.reportPlaybackStopped(
                 PlaybackStopInfo(
                     itemId = itemId,
@@ -104,7 +104,7 @@ class TrackActivityPlaybackListener(
     }
 
     private fun saveActivity(position: Long) {
-        coroutineScope.launch {
+        coroutineScope.launch(ExceptionHandler()) {
             val totalDuration = totalPlayDurationMilliseconds.get()
             val calcPosition =
                 (if (position >= 0) position else player.currentPosition).milliseconds