Android: delegate touch event to underlaying view

Question

I have the following hierarchy: Activity -> PopupWindow -> CustomView

My the PopupWindow itself is a square, but

Answer 1

It's too bad that the PopupWindow is not a subclass of ViewGroup or even View. Then you could override dispatchTouchEvent. Can you modify your custom view to know about the PopupWindow and call dismiss() on it when there is a click outside the circle?

Answer 2

Try setting these on your PopupWindow instance:

window.setBackgroundDrawable(new BitmapDrawable());

window.setOutsideTouchable(true);

and

window.setTouchable(true);

This is just a suggestion... I haven't tested it. Let me know if it works.

[Note: This is for the onTouch() to get called on touch events..]

Answer 3

Consider the FLAG_NOT_TOUCH_MODAL:

/** Window flag: Even when this window is focusable (its
  * {@link #FLAG_NOT_FOCUSABLE is not set), allow any pointer events
  * outside of the window to be sent to the windows behind it.  Otherwise
  * it will consume all pointer events itself, regardless of whether they
  * are inside of the window. */
public static final int FLAG_NOT_TOUCH_MODAL    = 0x00000020;

You can use this code to upate the window flags after the popup window was shown.

FrameLayout popupContainer = (FrameLayout)contentView.getParent();
WindowManager.LayoutParams p = (WindowManager.LayoutParams)popupContainer.getLayoutParams();
p.flags |= WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL;
WindowManager windowManager = (WindowManager)getSystemService(Context.WINDOW_SERVICE);
windowManager.updateViewLayout(popupContainer, p);