android dialog弹出声音,android dialog弹出的情况下监听返回键

view = LayoutInflater.from(getActivity()).inflate(

R.layout.dialog_tips, null);

title2 = (TextView) view.findViewById(R.id.title2);

dialog = new Dialog(getActivity());

dialog.setOnKeyListener(new OnKeyListener() {

@Override

public boolean onKey(DialogInterface dialog,

int keyCode, KeyEvent event) {

if (keyCode == KeyEvent.KEYCODE_BACK

&& event.getRepeatCount() == 0) {

getActivity().finish();

}

return false;

}

});

dialog.getWindow().setBackgroundDrawable(

new ColorDrawable(

android.R.color.transparent));

dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);

dialog.setContentView(view);

dialog.getWindow()

.setLayout(

ScreenUtil

.getScreenWidth(getActivity()) - 50,

DensityUtil.dp2px(400));

dialog.show();

原文：http://www.cnblogs.com/zhaoleigege/p/4971045.html