android set button background programmatically

Question

I would like to know how to set the button color programatically? I have coded the following but fails:

Button11.setBackgroundColor(R.color.red);
         


        

Answer 1

button.setBackgroundColor(getResources().getColor(R.color.red);

Sets the background color for this view. Parameters: color the color of the background

R.color.red is a reference generated at the compilation in gen.