update readmes

example/README.md

@@ -1,5 +1,3 @@
 # LiveKit Flutter Example
 
-This project creates a video room using LiveKit's Flutter SDK. Designed to run for iOS/Android. (web untested).
-
-Docs coming soon.
+This app implements a video room using LiveKit's Flutter SDK. Designed to run for iOS, Android, and web.

example/lib/room.dart

@@ -200,9 +200,8 @@ class _VideoViewState extends State<VideoView> with ParticipantDelegate {
           !pub.isScreenShare &&
           pub.subscribed;
     });
-
     setState(() {
-      if (subscribedVideos.length > 0) {
+      if (subscribedVideos.isNotEmpty) {
         var videoPub = subscribedVideos.first;
         if (videoPub is RemoteTrackPublication) {
           videoPub.videoQuality = widget.quality;