How to know when an activity finishes a layout pass?

Question

I have a background thread that updates the UI of my activity, after the onCreate(). It can be adding layouts, or changing the size of others.

I simply

Answer 1

A GlobalLayoutListener will fire an event on completion of a layout. Would that suit your needs?

View myView=findViewById(R.id.myView);
  myView.getViewTreeObserver().addOnGlobalLayoutListener(new ViewTreeObserver.OnGlobalLayoutListener() {
            @Override
            public void onGlobalLayout() {
                //At this point the layout is complete and the 
                //dimensions of myView and any child views are known.
            }
        });