MotionEvent与多点触控

 1 public class CustomDialog extends Dialog {
 2     public CustomDialog(Context context) {
 3         super(context);
 4         init();
 5     }
 6 
 7     @RequiresApi(api = Build.VERSION_CODES.KITKAT)
 8     @Override
 9     public boolean onTouchEvent(MotionEvent event) {
10         if (MotionEvent.ACTION_OUTSIDE == event.getAction()) {
11             Log.i("songzheweiwang", MotionEvent.actionToString(event.getAction()));
12         }
13         return super.onTouchEvent(event);
14     }
15 
16     private void init() {
17         setContentView(R.layout.dialog_outside);
18         //清空原有的flag
19         getWindow().setFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL, WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL);
20         //设置监听OutSide Touch
21         getWindow().setFlags(WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH, WindowManager.LayoutParams.FLAG_WATCH_OUTSIDE_TOUCH);
22     }
23 }

06-12 00:39:18.868 11365-11365/com.example.demos I/songzheweiwang: ACTION_OUTSIDE