z-index in Relative layout

Question

I need to place a TextView above the Button in RelativeLayout. But it is not working: TextView is always under the Button, even if I move it before the button. I also tried

Answer 1

Take RelativeLayout as your button by changing its background and set TextView as centerInParent="True"

Class

(RelativeLayout)findViewById(R.id.rlBottom).setOnClick(new OnClick... //like a button