我如何添加切换按钮静音/取消静音所有应用程序的声音preferably如何做到这一点的视频。

 公共类MyActivity延伸活动{    私人布尔_myAudioToggle;    的onCreate（捆绑savedInstanceState）{        // ...        _myAudioToggle = FALSE; //音频是关闭的，设置为true默认为上        setAudio（_myAudioToggle）;        Button按钮=（按钮）findViewById（R.id.yourButton）; //其中yourButton是在布局XML文件        button.setOnClickListener（新View.onClickListener {            @覆盖            的onClick（视图v）{                _myAudioToggle = _myAudioToggle！;                setAudio（_myAudioToggle）;            }        }）;        // ...    }    // ...} 

创建一个名为setAudio（）方法，它一个布尔值，并设置音频：）

 私人无效setAudio（布尔audioToggle）{    //你的code切换音频} 

How do i add toggle button that mute/unmute all in app sound preferably a video on how to do it.

public class MyActivity extends Activity {
    private boolean _myAudioToggle;
    onCreate(Bundle savedInstanceState) {
        // ...
        _myAudioToggle = false; // audio is off, set to true to default to on
        setAudio(_myAudioToggle);
        Button button = (Button) findViewById(R.id.yourButton); // where yourButton is in your layout XML file
        button.setOnClickListener(new View.onClickListener {

            @Override
            onClick(View v) {
                _myAudioToggle = !_myAudioToggle;
                setAudio(_myAudioToggle);
            }
        });
        // ...
    }
    // ...
}

Create a method called setAudio() that takes a boolean value and sets the audio :)

private void setAudio(boolean audioToggle) {
    // your code to toggle the audio
}