using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks; using Xamarin.Forms.CustomAttributes; using Xamarin.Forms.Internals; namespace Xamarin.Forms.Controls.TestCasesPages { [Preserve (AllMembers=true)] [Issue (IssueTracker.Bugzilla, 21368, "Button text alignment breaks if the buttons are in a stack layout inside another layout and the button is clicked", PlatformAffected.Android)] public class Bugzilla21368 : ContentPage { ScrollView _scrollView; StackLayout _buttonsStack; Grid _buttonsGrid; public Bugzilla21368 () { _scrollView = new ScrollView { Orientation = ScrollOrientation.Horizontal, Content = new StackLayout { Orientation = StackOrientation.Horizontal }, HeightRequest = 100 }; _buttonsGrid = new Grid { RowSpacing = 10 }; _buttonsGrid.Children.Add (_scrollView, 0, 0); _buttonsGrid.Children.Add (new Button { Text = "Add Control", Command = new Command (OnAddControl), WidthRequest=400 }, 0, 1); _buttonsGrid.Children.Add (new Button { Text = "Insert Control", Command = new Command (OnInsertControl) }, 0, 2); _buttonsGrid.Children.Add (new Button { Text = "Remove Control", Command = new Command (OnRemoveControl) }, 0, 3); _buttonsStack = new StackLayout { Children = { _buttonsGrid } }; Content = new StackLayout { Orientation = StackOrientation.Vertical, Children = { _buttonsStack } }; } StackLayout ScrollStackLayout { get { return (StackLayout) _scrollView.Content; } } void OnAddControl () { ScrollStackLayout.Children.Add (new Button { Text = "hello" }); ForceRelayout (); } void OnInsertControl () { ScrollStackLayout.Children.Insert (0, new Button { Text = "hello" }); ForceRelayout (); } void OnRemoveControl () { if (ScrollStackLayout.Children.Count > 0) { ScrollStackLayout.Children.RemoveAt (0); ForceRelayout (); } } void ForceRelayout () { ScrollStackLayout.ForceLayout (); _scrollView.ForceLayout (); } } }