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using System;
using System.Diagnostics;
using System.Linq;
using System.Threading.Tasks;
using Xamarin.Forms.CustomAttributes;
using Xamarin.Forms.Internals;
#if UITEST
using NUnit.Framework;
using Xamarin.UITest;
#endif
namespace Xamarin.Forms.Controls
{
[Preserve (AllMembers=true)]
[Issue (IssueTracker.Github, 852, "Async loading of Content causes UI element to be unclickable", PlatformAffected.Android | PlatformAffected.iOS)]
public class Issue852 : ContentPage
{
#if APP
StackLayout _loggingInStackLayout;
Button _loginButton;
ScrollView _loginScrollView;
public Issue852 ()
{
var welcomeLabel = new Label()
{
Text = "Logging into the System",
HorizontalOptions = LayoutOptions.Center
};
var activitySpinner = new ActivityIndicator
{
Color = new Color(0, 0, 1),
IsRunning = true
};
_loggingInStackLayout = new StackLayout
{
Orientation = StackOrientation.Vertical,
VerticalOptions = LayoutOptions.Center,
Spacing = 15
};
_loggingInStackLayout.Children.Add(welcomeLabel);
_loggingInStackLayout.Children.Add(activitySpinner);
Content = _loggingInStackLayout;
}
protected override async void OnAppearing()
{
base.OnAppearing();
if (!(await AttemptLogin())) //try to log in, if login fails show login screen
{
Device.BeginInvokeOnMainThread (() => BuildLogin ());
}
else
{
Navigation.PopModalAsync();
}
IsBusy = false;
}
void BuildLogin()
{
Title = "Login";
var welcomeLabel = new Label()
{
Text = "Welcome to the System",
HorizontalOptions = LayoutOptions.Center
};
var usernameEntry = new Entry
{
IsPassword = false,
Placeholder = "Username",
};
usernameEntry.SetBinding(Entry.TextProperty, new Binding("Username"));
usernameEntry.Focused += (s, e) => welcomeLabel.Text = "Clicked User";
var passwordEntry = new Entry
{
IsPassword = true,
Placeholder = "Password",
};
passwordEntry.SetBinding(Entry.TextProperty, new Binding("Password", BindingMode.TwoWay));
passwordEntry.Focused += (s, e) => welcomeLabel.Text = "Clicked Password";
_loginButton = new Button
{
ClassId = "loginButton",
Text = "Login",
};
_loginButton.SetBinding(Button.CommandProperty, new Binding("LoginCommand"));
var loginStackLayout = new StackLayout
{
Orientation = StackOrientation.Vertical,
VerticalOptions = LayoutOptions.Center,
Spacing = 15
};
loginStackLayout.Children.Add(welcomeLabel);
loginStackLayout.Children.Add(usernameEntry);
loginStackLayout.Children.Add(passwordEntry);
loginStackLayout.Children.Add(_loginButton);
_loginScrollView = new ScrollView
{
Orientation = ScrollOrientation.Vertical,
Content = loginStackLayout
};
Content = _loginScrollView;
}
async Task<bool> AttemptLogin()
{
await Task.Delay(2000);
return false; //for this test we are always going ot fail, want to show login screen and error
}
#endif
#if UITEST
[Test]
[UiTest (typeof(ContentPage))]
public void Issue852TestsEntriesClickable ()
{
// TODO: Fix ME
//App.WaitForElement (q => q.Marked ("Welcome to the System"));
//App.WaitForElement (PlatformQueries.EntryWithPlaceholder ("Username"));
//App.WaitForElement (PlatformQueries.EntryWithPlaceholder ("Password"));
//App.WaitForElement (q => q.Button ("Login"));
//App.Screenshot ("All elements present");
//App.Tap (PlatformQueries.EntryWithPlaceholder ("Username"));
//App.WaitForElement (q => q.Marked ("Clicked User"));
//App.EnterText (PlatformQueries.EntryWithPlaceholder ("Username"), "Usertest");
//App.Screenshot ("User entered");
//App.Tap (PlatformQueries.EntryWithPlaceholder ("Password"));
//App.WaitForElement (q => q.Marked ("Clicked Password"));
//App.EnterText (PlatformQueries.EntryWithPlaceholder ("Password"), "Userpass");
//App.Screenshot ("Password entered");
//App.Screenshot ("Enties clickable");
Assert.Inconclusive ("Fix Test");
}
#endif
}
}
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