protected override void OnCreate(Bundle savedInstanceState) { var style = iApp.Instance == null ? new Style() : iApp.Instance.Style; UpdateHeader(style.HeaderColor); base.OnCreate(savedInstanceState); ActionBar?.SetHomeButtonEnabled(true); var or = Resources.Configuration.Orientation; if (or != CurrentOrientation) { CurrentOrientation = or; DroidFactory.OrientationChanged(CurrentOrientation == Orientation.Portrait ? iApp.Orientation.Portrait : iApp.Orientation.LandscapeLeft); } if (Alert.Instance != null) { Alert.Instance.Show(); } }