Why are radio buttons circles?

The main motive is to remove conflicts between radio and checkbox they have made it circle.

1. Why are buttons circles?
2. What is a radio button circle?
3. How to remove circle from radio button in android?

Why are buttons circles?

Round corners communicate a sense of simplicity, optimism, and openness. It probably explains why many design systems adapted to rounded corners and used them broadly in icons, buttons, and illustrations.

What is a radio button circle?

A radio button is one type of selection indicator in a list of options. If an option is selected, the circle is filled. If the option is not selected, the circle is empty. When one circle is selected, the others are deselected, so that only one option may be selected at any time.

How to remove circle from radio button in android?

These RadioButtons are dynamic created as shown in the follow methods. So the first method redioButtonPresenterApparence sets its appearance removing circle (setting buttonDrwable to null. The second method set the buttons background later.