Moves collection events to an IO thread.

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewMediaView.kt

@@ -36,6 +36,7 @@ import com.vitorpamplona.amethyst.ui.screen.loggedIn.TextSpinner
 import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 @Composable
 fun NewMediaView(uri: Uri, onClose: () -> Unit, postViewModel: NewMediaModel, accountViewModel: AccountViewModel, nav: (String) -> Unit) {
@@ -48,10 +49,15 @@ fun NewMediaView(uri: Uri, onClose: () -> Unit, postViewModel: NewMediaModel, ac
     LaunchedEffect(uri) {
         val mediaType = resolver.getType(uri) ?: ""
         postViewModel.load(account, uri, mediaType)
+
+        launch(Dispatchers.IO) {
             postViewModel.imageUploadingError.collect { error ->
+                withContext(Dispatchers.Main) {
                     Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
                 }
             }
+        }
+    }
 
     Dialog(
         onDismissRequest = { onClose() },

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewPostView.kt

@@ -76,6 +76,7 @@ import kotlinx.collections.immutable.toImmutableList
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 @OptIn(ExperimentalComposeUiApi::class)
 @Composable
@@ -99,10 +100,14 @@ fun NewPostView(onClose: () -> Unit, baseReplyTo: Note? = null, quote: Note? = n
         delay(100)
         focusRequester.requestFocus()
 
+        launch(Dispatchers.IO) {
             postViewModel.imageUploadingError.collect { error ->
+                withContext(Dispatchers.Main) {
                     Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
                 }
             }
+        }
+    }
 
     DisposableEffect(Unit) {
         onDispose {

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewUserMetadataView.kt

@@ -28,6 +28,9 @@ import androidx.compose.ui.window.DialogProperties
 import androidx.lifecycle.viewmodel.compose.viewModel
 import com.vitorpamplona.amethyst.R
 import com.vitorpamplona.amethyst.model.Account
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
 
 @Composable
 fun NewUserMetadataView(onClose: () -> Unit, account: Account) {
@@ -37,10 +40,14 @@ fun NewUserMetadataView(onClose: () -> Unit, account: Account) {
     LaunchedEffect(Unit) {
         postViewModel.load(account)
 
+        launch(Dispatchers.IO) {
             postViewModel.imageUploadingError.collect { error ->
+                withContext(Dispatchers.Main) {
                     Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
                 }
             }
+        }
+    }
 
     Dialog(
         onDismissRequest = { onClose() },

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/ChannelScreen.kt

@@ -148,12 +148,16 @@ fun ChannelScreen(
 
     LaunchedEffect(Unit) {
         NostrChannelDataSource.start()
-
         feedViewModel.invalidateData()
+
+        launch(Dispatchers.IO) {
             newPostModel.imageUploadingError.collect { error ->
+                withContext(Dispatchers.Main) {
                     Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
                 }
             }
+        }
+    }
 
     DisposableEffect(accountViewModel) {
         val observer = LifecycleEventObserver { _, event ->

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/ChatroomScreen.kt

@@ -106,12 +106,16 @@ fun ChatroomScreen(
 
     LaunchedEffect(baseUser, accountViewModel) {
         NostrChatroomDataSource.start()
-
         feedViewModel.invalidateData()
+
+        launch(Dispatchers.IO) {
             newPostModel.imageUploadingError.collect { error ->
+                withContext(Dispatchers.Main) {
                     Toast.makeText(context, error, Toast.LENGTH_SHORT).show()
                 }
             }
+        }
+    }
 
     DisposableEffect(baseUser, accountViewModel) {
         val observer = LifecycleEventObserver { _, event ->