void SettingsClicked() { if (isTablet) { this.Activity.FindViewById <FrameLayout>(Resource.Id.details_fragment).Visibility = ViewStates.Gone; var ft = FragmentManager.BeginTransaction(); ft.Replace(Resource.Id.detailInfo_fragment, new SettingsFragment()); ft.SetTransition(Android.Support.V4.App.FragmentTransaction.TransitFragmentFade); ft.Commit(); } else { var intent = new Android.Content.Intent(); intent.SetClass(this.Activity, typeof(SettingsFragmentActivity)); StartActivity(intent); } }