App声音调为最大

    //是否开启声音调为最大
    private static final boolean iSVolume = false;

        if (iSVolume) {
            try {
                AudioManager mAudioManager = (AudioManager) getSystemService(Context.AUDIO_SERVICE);
                int maxVol = mAudioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);
                mAudioManager.setStreamVolume(AudioManager.STREAM_MUSIC, maxVol, AudioManager.FLAG_PLAY_SOUND);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }