public override bool OnOptionsItemSelected(IMenuItem item) { switch (item.ItemId) { case Resource.Id.exercise_edit: StartEditView(false); return(true); case Resource.Id.exercise_delete: MyDatabase.DeleteExercise(itemId); Finish(); return(true); case Resource.Id.training_edit: StartEditView(false); return(true); case Resource.Id.training_add_exercises: StartCheckableListView(); break; case Resource.Id.training_delete: MyDatabase.DeleteTraining(itemId); Finish(); return(true); case Resource.Id.plan_edit: StartEditView(false); return(true); case Resource.Id.plan_delete: MyDatabase.DeletePlan(itemId); Finish(); return(true); case Android.Resource.Id.Home: OnBackPressed(); break; } return(base.OnOptionsItemSelected(item)); }