Android Studio Activity layout -
Android Studio Activity layout - Skip to content Udacity Firebase , github , , Activity layout Android Studio . android.support.v4 , The following classes could not be instantiated: - android.support.v7.widget.AppCompatImageView (Open Class, Show Exception, Clear Cache) - android.support.v7.widget.ActionBarContainer (Open Class, Show Exception, Clear Cache) - android.support.v7.widget.Toolbar (Open Class, Show Exception, Clear Cache) - android.support.v7.widget.AppCompatTextView (Open Class, Show Exception, Clear Cache) - android.support.v7.widget.ActionBarContextView (Open Class, Show Exception, Clear Cache) - android.support.v7.app.WindowDecorActionBar (Open Class, Show Exception, Clear Cache) - android.support.v7.widget.ActionBarOverlayLayout (Open Class, Show Exception, Clear Cache) Exception Details java.lang.ClassNotFoundException: android.support.v4.view.TintableBackgroundView .