How do I remove the title bar in android studio?

Question

In my app there is this title bar at the top where the overflow menu would be, but I don\'t need settings and only have one screen. When I change the theme like described in

Answer 1

1. open styles.xml
2. insert

you can change name="---------"

3. open Androidmaifest.xm

   find android:theme="@style/AppTheme" chang to android:theme="@style/no_title"

4. click select Theme on menubar (it's green color near MainActivity)

   • click project Theme
   • click no_title (on you right hand Side)
   • click OK