How to make button non transparent?

I wrote custom View which draws a circle. Then I put it on relative layout. Also I put standard button there, so that they overlap. And I see that button is transparent. How to make it non transparent?

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How do I change the button background to transparent?

The transparent button can be easily created by using HTML and CSS. In this article, we will use background-color: transparent; property to design the transparent background button. HTML Code: In this section, we will create a basic structure of button using the button Tag.

How do you make a white background on a button?

To change the background color of the button, use the CSS background-color property and give it a value of a color of your taste. In the . button selector, you use background-color:#0a0a23; to change the background color of the button.

Set the background to @android:drawable/btn_default to get rid of the transparency of holo theme