How to switch from the default ConstraintLayout to RelativeLayout in Android Studio

Question

I have the latest android Studio (2.3 beta 3) and it seems ConstraintLayout is the default when creating a project. How can I make Android Studio use the RelativeLayout as t

Answer 1

Android 3.0

In activity_main.xml

Replace in this tag i.e

android.support.constraint.ConstraintLayout

with

RelativeLayout