Android 音量键增大减小捕捉

2014-11-24 11:55:07 · 作者: · 浏览: 2

@Override
public boolean onKeyDown(
int keyCode, KeyEvent event) {
// TODO Auto-generated method stub


if (keyCode == KeyEvent.KEYCODE_VOLUME_UP) {


Intent i = new Intent(
Intent.ACTION_MAIN);


i.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);


i.addCategory(Intent.CATEGORY_HOME);


startActivity(i);


return true;
}


if (keyCode == KeyEvent.KEYCODE_VOLUME_DOWN) {


Toast.makeText(
Bengkui.this,
"弹出对话框", 1000)
.show();
Intent intent = new Intent(
Bengkui.this,
ShoujizhengrenActivity.class);
startActivity(intent);


return true;
}


else {
return super.onKeyDown(
keyCode, event);


}


}