This Activity already has an action bar supplied by the window decor

Question

Trying to move over my stuff to use Toolbar instead of action bar but I keep getting an error saying

java.lang.RuntimeException: Unable to start         


        

Answer 1

There are two simple and quick solutions

go to res-->values-->styles

YOU can also watch this video for more easiness CLICK HERE

Solution 1:

You can remove the action bar by replacing

`