android:theme=“@android:style/Theme.NoTitleBar.Fullscreen” works on Application level but not at the activity level. Any clue?

Question

I need to make one of my activities called MyNoStatusBarActivity.java a full-screen activity.

I have added in the Manifest :

Answer 1

In your manifest xml, at application level put this:

and in the activity that you want to make full screen put this:

     ...

Remove all the setWindowsFeature or setFlag methods in onCreate.