AudioManager audioManager = (AudioManager) getSystemService(AUDIO_SERVICE);
btnSound.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
if (SoundEnabled) {
audioManager.setStreamMute(AudioManager.STREAM_MUSIC , true);
} else {
audioManager.setStreamMute(AudioManager.STREAM_MUSIC , false);
}
SoundEnabled = !SoundEnabled;
}
});