I have just installed android studio and the following errors have just emerged on my xml layout file
The following classes could not be found:
-android.support.v7.app.WindowDecorActionBar
-android.support.v7.widget.ActionBarContainer
-android.support.v7.widget.ActionBarContextView
-android.support.v7.widget.ActionBarOverlayLayout
-android.support.v7.widget.ContentFrameLayout
-android.support.v7.widget.Toolbar
How do I remove these errors??