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

Add single line android:theme="@style/AppTheme.NoActionBar" to activity in AndroidManifest and you've done.

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AndroidManifest.xml:

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styles.xml