How to change a button's shape using xml or using java?

Question

I want to make a custom button with shape, how to do this?

Answer 1

This is the sample button which is of oval shape.. The gradient says the start n end color along with the angle. corners for the oval shape..Try this.. Mention the name of this xml in button background android:background="@drawable/sample".Save the xml in drawable.

Also check this link for custom button.