How to remove border/shadow from lollipop buttons

Question

The buttons looks fine for api < 21. However, the +21 versions creates this border or shadow that is shown on the image below. How do I get rid of it without changeing th

Answer 1

Lollipop has a nasty little feature called stateListAnimator which handles the elevations on Buttons, which leads to shadows.

Remove the stateListAnimator to get rid of the shadows.

You have got multiple options to do that:

Java:

button.setStateListAnimator(null);

Kotlin:

button.stateListAnimator = null

or in your layout xml's: