/**
* 使用AudioManager控制音量
*
* @param value
* @param context
*/
private void setVoiceVolume(float value, Context context) {
try {
AudioManager audioManager = (AudioManager) context.getSystemService(Service.AUDIO_SERVICE);
int currentVolume = audioManager.getStreamVolume(AudioManager.STREAM_MUSIC);
int maxVolume = audioManager.getStreamMaxVolume(AudioManager.STREAM_MUSIC);//(最大值是15)
int flag = value > 0 ? -1 : 1;
currentVolume += flag * 0.1 * maxVolume;
// 对currentVolume进行限制
audioManager.setStreamVolume(AudioManager.STREAM_MUSIC, currentVolume, 0);
} catch (Exception e) {
e.printStackTrace();
}
}
/**
* @param volume 音量大小
* @param object VideoView实例
* ///VideoView 反射 MediaPlayer控制音量 http://blog.csdn.net/u012874222/article/details/73303264
* 静音有效果,恢复无效
*/
private void setVolume(float volume, Object object) {
try {
Class<?> forName = Class.forName("android.widget.VideoView");
Field field = forName.getDeclaredField("mMediaPlayer");
field.setAccessible(true);
MediaPlayer mMediaPlayer = (MediaPlayer) field.get(object);
mMediaPlayer.setVolume(volume, volume);
} catch (Exception e) {
e.printStackTrace();
}
}
VideoView设置音量
猜你喜欢
转载自blog.csdn.net/chenli_001/article/details/88999755
周排行