cocos2d-x 控制android硬件音量大小调节按钮

在GameActivity里面修改：

@Override

public boolean onKeyDown(int keyCode, KeyEvent event) {

AudioManager mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);

int currentVolume = mAudioManager.getStreamVolume(AudioManager.STREAM_MUSIC);

switch (keyCode) {

case KeyEvent.KEYCODE_VOLUME_UP:// 音量增大

mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, currentVolume+1, 1);

break;

case KeyEvent.KEYCODE_VOLUME_DOWN:// 音量减小

mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, currentVolume-1, 1);

break;

case KeyEvent.KEYCODE_BACK:// 返回键

//jniOnCallCppEvent();

return true;

//return super.onKeyDown(keyCode, event);

default:

break;

}

return true;

//return super.onKeyDown(keyCode, event);

}