android开发开启和关闭声音,Android_Android开发之关闭和打开Speaker(扬声器)的方法，本文实例讲述了Android开发之关 - phpStudy...

Android开发之关闭和打开Speaker(扬声器)的方法

本文实例讲述了Android开发之关闭和打开Speaker(扬声器)的方法。分享给大家供大家参考，具体如下：

private int currVolume = 0;

/**

* 打开扬声器

*/

private void openSpeaker() {

try{

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

audioManager.setMode(AudioManager.ROUTE_SPEAKER);

currVolume = audioManager.getStreamVolume(AudioManager.STREAM_VOICE_CALL);

if(!audioManager.isSpeakerphoneOn()) {

//setSpeakerphoneOn() only work when audio mode set to MODE_IN_CALL.

audioManager.setMode(AudioManager.MODE_IN_CALL);

audioManager.setSpeakerphoneOn(true);

audioManager.setStreamVolume(AudioManager.STREAM_VOICE_CALL,

audioManager.getStreamMaxVolume(AudioManager.STREAM_VOICE_CALL ),

AudioManager.STREAM_VOICE_CALL);

}

} catch (Except