How to make the corners of a button round?

Question

I want to make the corners of a button round. Is there an easy way to achieve this in Android?

Answer 1

Is there an easy way to achieve this in Android?

Yes, today there is, and it is very simple.
Just use the MaterialButton in the Material Components library with the app:cornerRadius attribute.

Something like:

It is enough to obtain a Button with rounded corners.

You can use one of Material button styles. For example:

Also starting from the version 1.1.0 you can also change the shape of your button. Just use the shapeAppearanceOverlay attribute in the button style:

Then just use:

You can also apply the shapeAppearanceOverlay in the xml layout:

The shapeAppearance allows also to have different shape and dimension for each corner: