Adding comments as to why IO thread was used

android · Aug 6, 2024 · f4aedca · f4aedca
1 parent 2cbf230
commit f4aedca
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diff --git a/app/src/main/java/com/google/android/samples/socialite/ui/chat/ChatScreen.kt b/app/src/main/java/com/google/android/samples/socialite/ui/chat/ChatScreen.kt
@@ -379,6 +379,8 @@ private fun MessageBubble(
 @Composable
 private fun VideoMessagePreview(videoUri: String, onClick: () -> Unit) {
     val context = LocalContext.current.applicationContext
+
+    // Running on an IO thread for loading metadata from remote urls to reduce lag time
     val bitmapState = produceState<Bitmap?>(initialValue = null) {
         withContext(Dispatchers.IO) {
             val mediaMetadataRetriever = MediaMetadataRetriever()

diff --git a/app/src/main/java/com/google/android/samples/socialite/ui/home/timeline/Timeline.kt b/app/src/main/java/com/google/android/samples/socialite/ui/home/timeline/Timeline.kt
@@ -244,6 +244,7 @@ fun MetadataOverlay(modifier: Modifier, mediaItem: TimelineMediaItem) {
             val mediaMetadataRetriever = MediaMetadataRetriever()
             val context = LocalContext.current.applicationContext
 
+            // Running on an IO thread for loading metadata from remote urls to reduce lag time
             val duration: State<Long?> = produceState<Long?>(initialValue = null) {
                 withContext(Dispatchers.IO) {
                     // Remote url