public ThoughtEntryPage(RandomThoughtsPage parent, RandomThoughtDatabase database) { _parent = parent; _database = database; Title = "Enter a Thought"; var entry = new Entry(); var button = new Button { Text = "Add" }; button.Clicked += async(object sender, EventArgs e) => { var thought = entry.Text; _database.AddThought(thought); await Navigation.PopAsync(); _parent.Refresh(); }; Content = new StackLayout { Spacing = 20, Padding = new Thickness(20), Children = { entry, button }, }; }