How to set onClickListener to the WHOLE screen in Android?

Question

The xml layout file looks like:

Answer 1

You can add a transparent view over your layout and set listener for this view. It will intercept all click events.

Answer 2

You can do this:

ViewTreeObserver viewTreeObserver = myView.getViewTreeObserver();
viewTreeObserver.addOnGlobalLayoutListener(new OnGlobalLayoutListener() {...}

From the docs of ViewTreeObserver:

A view tree observer is used to register listeners that can be notified of global changes in the view tree. Such global events include, but are not limited to, layout of the whole tree, beginning of the drawing pass, touch mode change