зеркало из https://github.com/DeGsoft/maui-linux.git
89 строки
2.9 KiB
C#
89 строки
2.9 KiB
C#
using System.Collections.Generic;
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using System.Linq;
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using Xamarin.Forms.CustomAttributes;
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using Xamarin.Forms.Internals;
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#if UITEST
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using Xamarin.UITest;
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using NUnit.Framework;
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#endif
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namespace Xamarin.Forms.Controls
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{
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[Preserve (AllMembers = true)]
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[Issue (IssueTracker.Bugzilla, 37462, "Using App Compat/App Compat theme breaks Navigation.RemovePage on Android ",PlatformAffected.Android )]
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public class Bugzilla37462 : TestNavigationPage
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{
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protected override void Init ()
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{
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var page1 = new ContentPage { Title = "Page 1" };
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var button1 = new Button { Text = "Go To 2" };
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var label1 = new Label { Text = "This is a label on page 1" };
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page1.Content = new StackLayout { Children = { button1, label1 } };
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page1.Appearing += (sender, args) => {
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((IVisualElementController)page1).InvalidateMeasure(InvalidationTrigger.MeasureChanged);
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};
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var page2 = new ContentPage { Title = "Page 2" };
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var button2 = new Button { Text = "Go To 3" };
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var label2 = new Label { Text = "This is a label on page 2" };
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page2.Content = new StackLayout { Children = { button2, label2 } };
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var page3 = new ContentPage { Title = "Page 3" };
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var button3 = new Button { Text = "Go To 4" };
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var label3 = new Label { Text = "This is a label on page 3" };
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page3.Content = new StackLayout { Children = { button3, label3 } };
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var page4 = new ContentPage { Title = "Page 4" };
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var button4 = new Button { Text = "Back to 1" };
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var label4 = new Label { Text = "This is a label on page 4" };
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page4.Content = new StackLayout { Children = { button4, label4 } };
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button1.Clicked += async (sender, args) => { await Navigation.PushAsync (page2); };
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button2.Clicked += async (sender, args) => { await Navigation.PushAsync (page3); };
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button3.Clicked += async (sender, args) => { await Navigation.PushAsync (page4); };
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button4.Clicked += async (sender, args) => {
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List<Page> existingPages = Navigation.NavigationStack.ToList ();
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// Clear all pages except current and home
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foreach (Page page in existingPages) {
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if (page.Title != "Page 1" && page.Title != "Page 4") {
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Navigation.RemovePage (page);
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}
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}
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await Navigation.PopAsync ();
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};
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Navigation.PushAsync (page1);
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}
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#if UITEST
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[Test]
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public void CanRemoveIntermediatePagesAndPopToFirstPage ()
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{
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// Start at page 1
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RunningApp.WaitForElement ("Go To 2");
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RunningApp.WaitForElement ("This is a label on page 1");
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RunningApp.Tap ("Go To 2");
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RunningApp.WaitForElement ("Go To 3");
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RunningApp.Tap ("Go To 3");
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RunningApp.WaitForElement ("Go To 4");
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RunningApp.Tap ("Go To 4");
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RunningApp.WaitForElement ("Back to 1");
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RunningApp.Tap ("Back to 1");
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// Clicking "Back to 1" should remove pages 2 and 3 from the stack
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// Then call PopAsync, which should return to page 1
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RunningApp.WaitForElement ("Go To 2");
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RunningApp.WaitForElement ("This is a label on page 1");
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}
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#endif
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}
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} |