Quickly hide radiobutton and default checkbox Style

Radiobutton and checkbox are common widgets in Android apps. They are derived from compoundbutton and allow users to set their own backgrounds and button styles. However, sometimes we only want to simply set a stateful background and hide its default style. However, when we call setbuttondrawable (null) or setbuttondrawable (0), we find that there is no effect at all. Originally, the setbuttondrawable of compoundbuttonCodeThe implementation shields drawable with null or resid 0, forcing us to pass in a valid drawable object.

At this time, the transparent color can be used:

Button. setbuttondrawable (New colordrawable (color. Transparent ));