how to change the image of a button with every click?

Question

I created a button in the layout . In the Drawable folder I created a XML file named btn01_state. The btn0

Answer 1

Simple way

btn.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View arg0) {
                // TODO Auto-generated method stub
    btn.setBackgroundDrawable(getResources().getDrawable(R.drawable.locationbutton_on));
                }
        });