public MainPage()
{
//ASYNC AND DEFFERED creation of controls for better start-up time
createMinimalUiTask = Task.Run(() =>
{
ApplyTheme();
this.BackgroundColor = backgroundColor;
title = new Title();
title.QuitClicked += OnQuit;
if (ViewModelContainer.NavigationViewModel.IsSimpleUI)
{
simpleUI = new SimpleUI();
simpleUI.AdjustToWidth(Width);
}
else
{
advancedUI = new AdvancedUI();
status = new Status();
}
});
InitializeComponent();
On <Xamarin.Forms.PlatformConfiguration.iOS>().SetUseSafeArea(true);
createMinimalUiTask.Wait();
createRestOfUiTask = Task.Run(() =>
{
simpleUIHeader = new SimpleUI();
simpleUIHeader.SetBinding(IsVisibleProperty, new Binding("IsSimpleUIHeaderVisible", source: ViewModelContainer.NavigationViewModel));
AbsoluteLayout.SetLayoutFlags(simpleUIHeader, AbsoluteLayoutFlags.None);
simpleUIHeader.HorizontalOptions = LayoutOptions.CenterAndExpand;
testInProgress = new TestInProgress();
testCompletion = new TestCompletion();
testSessionsPlaceholder = new TestSessionsPlaceholder();
popups = new Popups();
onlineDb = new OnlineDb();
if (ViewModelContainer.NavigationViewModel.IsSimpleUI)
{
advancedUI = new AdvancedUI();
status = new Status();
}
else
{
simpleUI = new SimpleUI();
}
});
stackLayout.Children.Add(title);
if (ViewModelContainer.NavigationViewModel.IsSimpleUI)
{
absoluteLayout.Children.Add(simpleUI);
}
else
{
stackLayout.Children.Add(advancedUI);
stackLayout.Children.Add(status);
}
// DISPLAYING CONTROLS HERE
SizeChanged += (s, e) =>
{
if (alreadyShown)
{
AdaptLayoytToScreenWidth();
}
else
{
alreadyShown = true;
createRestOfUiTask.Wait();
AdaptLayoytToScreenWidth();
Device.BeginInvokeOnMainThread(() =>
{
if (ViewModelContainer.NavigationViewModel.IsSimpleUI)
{
stackLayout.Children.Add(simpleUIHeader);
stackLayout.Children.Add(advancedUI);
}
else
{
absoluteLayout.Children.Add(simpleUI);
stackLayout.Children.Remove(status);
stackLayout.Children.Add(simpleUIHeader);
}
stackLayout.Children.Add(testInProgress);
stackLayout.Children.Add(testSessionsPlaceholder);
stackLayout.Children.Add(status);
absoluteLayout.Children.Add(popups);
absoluteLayout.Children.Add(testCompletion);
foreach (var c in onlineDb.Children.ToArray())
{
absoluteLayout.Children.Add(c);
}
});
}
};
}
public MainPage()
{
//ASYNC AND DEFFERED creation of controls for better start-up time
createMinimalUiTask = Task.Run(() =>
{
ApplyTheme();
if (ViewModelContainer.NavigationViewModel.IsSimpleUI)
{
simpleUI = new SimpleUI();
}
else
{
advancedUI = new AdvancedUI();
status = new Status();
}
});
InitializeComponent();
// Do not touch this page's control until InitilizeComponent is done
title = new Title();
title.QuitClicked += OnQuit;
On <Xamarin.Forms.PlatformConfiguration.iOS>().SetUseSafeArea(true);
createMinimalUiTask.Wait();
this.BackgroundColor = backgroundColor;
createRestOfUiTask = Task.Run(() =>
{
simpleUIHeader = new SimpleUI();
simpleUIHeader.SetBinding(IsVisibleProperty, new Binding("IsSimpleUIHeaderVisible", source: ViewModelContainer.NavigationViewModel));
AbsoluteLayout.SetLayoutFlags(simpleUIHeader, AbsoluteLayoutFlags.None);
simpleUIHeader.HorizontalOptions = LayoutOptions.CenterAndExpand;
testInProgress = new TestInProgress();
testCompletion = new TestCompletion();
testSessionsPlaceholder = new TestSessionsPlaceholder();
popups = new Popups();
onlineDb = new OnlineDb();
if (ViewModelContainer.NavigationViewModel.IsSimpleUI)
{
advancedUI = new AdvancedUI();
status = new Status();
}
else
{
simpleUI = new SimpleUI();
}
});
stackLayout.Children.Add(title);
if (ViewModelContainer.NavigationViewModel.IsSimpleUI)
{
absoluteLayout.Children.Add(simpleUI);
}
else
{
stackLayout.Children.Add(advancedUI);
stackLayout.Children.Add(status);
}
// DISPLAYING CONTROLS HERE
SizeChanged += (s, e) =>
{
if (alreadyShown)
{
AdaptLayoytToScreenWidth();
}
else
{
alreadyShown = true;
createRestOfUiTask.Wait();
AdaptLayoytToScreenWidth();
Device.BeginInvokeOnMainThread(() =>
{
if (ViewModelContainer.NavigationViewModel.IsSimpleUI)
{
stackLayout.Children.Add(simpleUIHeader);
stackLayout.Children.Add(advancedUI);
}
else
{
absoluteLayout.Children.Add(simpleUI);
stackLayout.Children.Remove(status);
stackLayout.Children.Add(simpleUIHeader);
}
stackLayout.Children.Add(testInProgress);
stackLayout.Children.Add(testSessionsPlaceholder);
stackLayout.Children.Add(status);
absoluteLayout.Children.Add(popups);
absoluteLayout.Children.Add(testCompletion);
// From time to time devices don't have webview installed or properly configured, this may lead to app crash
try
{
foreach (var c in onlineDb.Children.ToArray())
{
absoluteLayout.Children.Add(c);
}
}
catch { advancedUI.MakeDbButtonRedirecting(); };
var now = DateTime.Now;
if ((now.Month == 12 && now.Day >= 20) || (now.Month == 1 && now.Day <= 10))
{
var lbl = new Label()
{
Text = "🎄", FontSize = 26
};
lbl.SetBinding(IsVisibleProperty, new Binding("IsSimpleUIStartPageVisible", source: ViewModelContainer.NavigationViewModel));
AbsoluteLayout.SetLayoutBounds(lbl, new Rectangle(0.5, 0.75, 40, 40));
AbsoluteLayout.SetLayoutFlags(lbl, AbsoluteLayoutFlags.PositionProportional);
absoluteLayout.Children.Add(lbl);
}
});
}
};
}