how to replace/change image button programmatically android

Question

I have an image button on my view which i need to change after user interaction. I dont find nothing like myImageButton.setDrawable Here is my xml for the button i

Answer 1

ImageButton = (ImageButton)findViewById(R.id.stopButton);
btn.setCompoundDrawablesWithIntrinsicBounds(R.drawable.btn_stop, 0, 0, 0);