public async void HandleTap(object sender, ItemTappedEventArgs e)
{
var plan = e.Item as Plan;
var page = new PlanPage(plan, true);
await Navigation.PushModalAsync(page);
planList.SelectedItem = null;
}
public async void OnEditClicked(Plan plan)
{
var page = new PlanPage(plan);
await Navigation.PushAsync(page);
}