Android mute and unmute sound

Android mute and unmute sound  
Below i write the code set device sound mute and unmute.
Problem.
For Ex: you are developing game application . if you want set game sound mute and unmute or anything else.
Solution.

Sound UnMute :

/**

* @author vijayakumar

*/

AudioManager audio = (AudioManager) getSystemService(Context.AUDIO_SERVICE); audio.setRingerMode(AudioManager.RINGER_MODE_NORMAL);

Sound Mute:

/**

* @author vijayakumar

*/

AudioManager audio = (AudioManager) getSystemService(Context.AUDIO_SERVICE); audio.setRingerMode(AudioManager.RINGER_MODE_SILENT);