Android开启关闭手机扬声器

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Android开启关闭手机扬声器

 /*** 当前音量*/private static int currVolume = 0;private AudioManager audioManager;

@Override
public void openSpeaker() {try {if (audioManager == null) {audioManager = ((AudioManager) getSystemService(AUDIO_SERVICE));}// 获取当前通话音量currVolume = audioManager.getStreamVolume(AudioManager.STREAM_VOICE_CALL);if (!audioManager.isSpeakerphoneOn()) {audioManager.setSpeakerphoneOn(true);audioManager.setStreamVolume(AudioManager.STREAM_VOICE_CALL,audioManager.getStreamMaxVolume(AudioManager.STREAM_VOICE_CALL),AudioManager.STREAM_VOICE_CALL);}} catch (Exception e) {e.printStackTrace();}ToastUtil.showToast( "打开扬声器");
}

    @Overridepublic void closeSpeaker() {try {if (audioManager == null) {audioManager = ((AudioManager) getSystemService(AUDIO_SERVICE));}if (audioManager.isSpeakerphoneOn()) {audioManager.setSpeakerphoneOn(false);audioManager.setStreamVolume(AudioManager.STREAM_VOICE_CALL, currVolume,AudioManager.STREAM_VOICE_CALL);}} catch (Exception e) {e.printStackTrace();}ToastUtil.showToast( "关闭扬声器");}