1. Auto save the username after login successfully;
2. Set button enable and disable state.
Set the control status text according to the connection status
Enlarge the font size, adjusted the UI
Fixed the audio play choppy and UDP data delay problem.
Added the password remember feature
Rollback to preivous version to fix the problem of data packet won't be received after a while. The root cause is unknown so far:(
1. Changed the launch icon;
2. Changed the direction arrow image in the map screen;
3. Added the CompassView;
4. Removed the old images.