1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
|
using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;
using System;
#if UITEST
using Xamarin.UITest;
using NUnit.Framework;
#endif
namespace Xamarin.Forms.Controls.Issues
{
[Preserve(AllMembers = true)]
[Issue(IssueTracker.Bugzilla, 40408, "MasterDetailPage and TabbedPage only firing Appearing once", PlatformAffected.WinRT)]
public class Bugzilla40408 : TestNavigationPage
{
protected override void Init()
{
BarBackgroundColor = Color.Red;
var contentPage2 = new ContentPage();
contentPage2.Title = "Page 2";
contentPage2.BackgroundColor = Color.Green;
contentPage2.Appearing += ContentPage2_Appearing;
contentPage2.Disappearing += ContentPage2_Disappearing;
var tabbedPage1 = new TabbedPage();
tabbedPage1.Appearing += TabbedPage1_Appearing;
tabbedPage1.Disappearing += TabbedPage1_Disappearing;
var contentPage3 = new ContentPage() { Title = "Page 3" };
contentPage3.BackgroundColor = Color.Pink;
tabbedPage1.Children.Add(contentPage3);
var masterDetailPage1 = new MasterDetailPage();
masterDetailPage1.Title = "Page 3";
var master1 = new ContentPage();
master1.BackgroundColor = Color.Yellow;
master1.Title = "Master 1";
var detail1 = new ContentPage();
detail1.Title = "Detail 1";
detail1.BackgroundColor = Color.Purple;
masterDetailPage1.Master = master1;
masterDetailPage1.Detail = detail1;
masterDetailPage1.BackgroundColor = Color.Yellow;
masterDetailPage1.Appearing += MasterDetailPage1_Appearing;
masterDetailPage1.Disappearing += MasterDetailPage1_Disappearing;
var contentPage1 = new ContentPage();
SetHasBackButton(contentPage1, true);
contentPage1.BackgroundColor = Color.Blue;
contentPage1.Title = "Page 1";
var stack = new StackLayout();
contentPage1.Content = stack;
stack.Children.Add(new Button() { Text = "View Content", Command = new Command(() => PushAsync(contentPage2)) });
stack.Children.Add(new Button() { Text = "View Master Detail", Command = new Command(() => PushAsync(masterDetailPage1)) });
stack.Children.Add(new Button() { Text = "View Tabbed Page", Command = new Command(() => PushAsync(tabbedPage1)) });
PushAsync(contentPage1);
}
void ContentPage2_Disappearing(object sender, EventArgs e)
{
DisplayAlert("Disappearing", "ContentPage", "OK");
}
void TabbedPage1_Disappearing(object sender, EventArgs e)
{
DisplayAlert("Disappearing", "TabbedPage", "OK");
}
void MasterDetailPage1_Disappearing(object sender, EventArgs e)
{
DisplayAlert("Disappearing", "MasterDetailPage", "OK");
}
void TabbedPage1_Appearing(object sender, EventArgs e)
{
DisplayAlert("Appearing", "TabbedPage", "OK");
}
void ContentPage2_Appearing(object sender, EventArgs e)
{
DisplayAlert("Appearing", "ContentPage", "OK");
}
void MasterDetailPage1_Appearing(object sender, EventArgs e)
{
DisplayAlert("Appearing", "MasterDetailPage", "OK");
}
}
}
|
