How to clear color of a button?

Question

Not only how to clear color to default color of my button, but also in what moment in my code to do it? I\'ve tried everything but no luck. When I click a button I set some

Answer 1

I just made a simple program which toggles the light filter on and off.

Here is the Activity:

 Button buttonClicked = null;
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.main);
     }

     public void clickedButton(View v) {
         Button button = (Button)v;
         button.getBackground().setColorFilter(new LightingColorFilter(0xFFFFFFFF,
                                                                       0x66FF33));

         if (buttonClicked != null) {
             buttonClicked.getBackground().setColorFilter(null);
         }
         buttonClicked = button;

     }

and here is the XML