- remove some redundant codes
- start service when a song is played
- avoid to close the notification when a song is ended (it can be optional)
- update exoplayer from
2.9.2to '2.11.4' - update buildToolsVersion from
29.0.1to29.0.3 - update kotlin version from
1.3.61to1.3.71 - modify play function in ExoPlayerManager
- android:requestLegacyExternalStorage="true" in AndroidManifest.xml due to external storage access limitation in android 10
- solve issues relating MediaNotificationManager
- solved some issues related to:
- close the notification when a song is ended
- removed calling updateNotification() when not needed
- handled skip to next operation when list ended
- added clear queue function
- handled add parent stack in MediaNotificationManager