Open live streams from Android channel navigation

tools/chatgui-android/app/src/main/java/com/utun/chat/MainActivity.kt

@@ -71,7 +71,7 @@ import kotlinx.coroutines.launch
 import kotlinx.coroutines.flow.collect
 
 class MainActivity : AppCompatActivity() {
-    enum class Screen { ChannelList, Chat, MemberList, Files, Settings, Logs, VideoRecord, PhotoRecord, Call, Dm }
+    enum class Screen { ChannelList, Chat, MemberList, Files, Settings, Logs, VideoRecord, PhotoRecord, Call, Dm, Streams }
 
     private var overLock = false
     private var inputScreen = "setup"
@@ -244,7 +244,7 @@ class MainActivity : AppCompatActivity() {
                     inputScreen = screen.name
                     LogManager.addLog("INFO", "MAIN", "UI screen=$screen")
                     val unavailable = when (screen) {
-                        Screen.Chat, Screen.MemberList, Screen.Files, Screen.PhotoRecord -> vm.currentChannel.value == null
+                        Screen.Chat, Screen.MemberList, Screen.Files, Screen.PhotoRecord, Screen.Streams -> vm.currentChannel.value == null
                         Screen.Dm -> vm.currentDm.value == null
                         Screen.VideoRecord -> videoTarget == null
                         Screen.Call -> callState == null
@@ -313,6 +313,7 @@ class MainActivity : AppCompatActivity() {
                         Screen.MemberList -> screen = Screen.Chat
                         Screen.VideoRecord -> screen = if (videoTarget is ConversationTarget.Pm) Screen.Dm else Screen.Chat
                         Screen.PhotoRecord -> screen = Screen.Chat
+                        Screen.Streams -> screen = Screen.Chat
                         Screen.Chat -> screen = Screen.ChannelList
                         Screen.Dm -> { vm.closeDm(); screen = Screen.ChannelList }
                         Screen.Call -> screen = screenBeforeCall ?: Screen.ChannelList
@@ -393,19 +394,27 @@ class MainActivity : AppCompatActivity() {
                                         },
                                         onInvite = { showInvite(channel) },
                                         onBack = { screen = Screen.ChannelList },
+                                        onStreams = { screen = Screen.Streams },
                                         onPlayVideo = { msg -> videoMessage = msg },
                                         onViewPhoto = { msg -> photoMessage = msg },
                                         onRecordVideo = {
+                                            if (com.utun.chat.data.StreamController.blocksCapture()) return@ChatScreen
                                             val target = ConversationTarget.Channel(channel.id)
                                             videoTargetId = target.nativeId; vm.captureCameraReply(target); screen = Screen.VideoRecord
                                         },
                                         onCapturePhoto = {
+                                            if (com.utun.chat.data.StreamController.blocksCapture()) return@ChatScreen
                                             photoTargetId = channel.id
                                             vm.captureCameraReply(ConversationTarget.Channel(channel.id)); screen = Screen.PhotoRecord
                                         }
                                     )
                                 }
                             }
+                            Screen.Streams -> {
+                                vm.currentChannel.collectAsState().value?.let { channel ->
+                                    StreamScreen(channel.id, channel.name) { screen = Screen.Chat }
+                                }
+                            }
                             Screen.MemberList -> {
                                 val members by vm.members.collectAsState()
                                 val selectedMember by vm.selectedMember.collectAsState()

tools/chatgui-android/app/src/main/java/com/utun/chat/ui/screens/ChatScreen.kt

@@ -88,7 +88,8 @@ fun ChatScreen(
     onPlayVideo: (Message) -> Unit = {},
     onViewPhoto: (Message) -> Unit = {},
     onRecordVideo: () -> Unit = {},
-    onCapturePhoto: () -> Unit = {}
+    onCapturePhoto: () -> Unit = {},
+    onStreams: () -> Unit = {}
 ) {
     val listState = rememberLazyListState()
     val context = LocalContext.current
@@ -184,6 +185,7 @@ fun ChatScreen(
                 Box {
                     IconButton(onClick = { menu = true }) { Icon(Icons.Filled.MoreVert, stringResource(R.string.options)) }
                     DropdownMenu(expanded = menu, onDismissRequest = { menu = false }) {
+                        DropdownMenuItem(text = { Text(stringResource(R.string.stream_title)) }, onClick = { menu = false; onStreams() })
                         DropdownMenuItem(text = { Text(stringResource(R.string.files_title)) },
                             onClick = { menu = false; onFiles(0) })
                         DropdownMenuItem(text = { Text(stringResource(R.string.files_mine)) },