UIViewController CreateViewController(int index)
{
Xamarin.Forms.View formsView = null;
object bindingContext = null;
if (Element.ItemsSource != null)
{
bindingContext = Element.ItemsSource.Cast <object> ().ElementAt(index);
}
var selector = Element.ItemTemplate as DataTemplateSelector;
if (selector != null)
{
formsView = (Xamarin.Forms.View)selector.SelectTemplate(bindingContext, Element).CreateContent();
}
else
{
formsView = (Xamarin.Forms.View)Element.ItemTemplate.CreateContent();
}
formsView.BindingContext = bindingContext;
// UIScreen.MainScreen.Bounds.Width, UIScreen.MainScreen.Bounds.Height
var rect = new CGRect(Element.X, Element.Y, ElementWidth, ElementHeight);
var nativeConverted = FormsViewToNativeiOS.ConvertFormsToNative(formsView, rect);
var viewController = new ViewContainer();
viewController.Tag = index;
viewController.View = nativeConverted;
return(viewController);
}
UIViewController CreateViewController(int index)
{
View formsView = null;
object bindingContext = null;
if (Source != null && Source?.Count > 0)
{
bindingContext = Source.Cast <object>().ElementAt(index);
}
var dt = bindingContext as DataTemplate;
// Support for List<DataTemplate> as ItemsSource
if (dt != null)
{
formsView = (View)dt.CreateContent();
}
else
{
var selector = Element.ItemTemplate as DataTemplateSelector;
if (selector != null)
{
formsView = (View)selector.SelectTemplate(bindingContext, Element).CreateContent();
}
else
{
formsView = (View)Element.ItemTemplate.CreateContent();
}
formsView.BindingContext = bindingContext;
}
// HeightRequest fix
formsView.Parent = this.Element;
// UIScreen.MainScreen.Bounds.Width, UIScreen.MainScreen.Bounds.Height
var rect = new CGRect(Element.X, Element.Y, ElementWidth, ElementHeight);
var nativeConverted = formsView.ToiOS(rect);
var viewController = new ViewContainer();
viewController.Tag = bindingContext;
viewController.View = nativeConverted;
return(viewController);
}
UIViewController CreateViewController(int index)
{
// Significant Memory Leak for iOS when using custom layout for page content #125
var newTag = Source[index];
foreach (ViewContainer child in pageController.ChildViewControllers)
{
if (child.Tag == newTag)
{
return(child);
}
}
View formsView = null;
object bindingContext = null;
if (Source != null && Source?.Count > 0)
{
bindingContext = Source.Cast <object>().ElementAt(index);
}
var dt = bindingContext as DataTemplate;
// Support for List<View> as ItemsSource
var view = bindingContext as View;
// Support for List<DataTemplate> as ItemsSource
if (dt != null)
{
formsView = (View)dt.CreateContent();
}
else
{
if (view != null)
{
if (ChildViewControllers == null)
{
ChildViewControllers = new List <ViewContainer>();
}
// Return from the local copy of controllers
foreach (ViewContainer controller in ChildViewControllers)
{
if (controller.Tag == view)
{
return(controller);
}
}
formsView = view;
}
else
{
var selector = Element.ItemTemplate as DataTemplateSelector;
if (selector != null)
{
formsView = (View)selector.SelectTemplate(bindingContext, Element).CreateContent();
}
else
{
formsView = (View)Element.ItemTemplate.CreateContent();
}
formsView.BindingContext = bindingContext;
}
}
// HeightRequest fix
formsView.Parent = this.Element;
// UIScreen.MainScreen.Bounds.Width, UIScreen.MainScreen.Bounds.Height
var rect = new CGRect(Element.X, Element.Y, ElementWidth, ElementHeight);
var nativeConverted = formsView.ToiOS(rect);
//if (dt == null && view == null)
//formsView.Parent = null;
var viewController = new ViewContainer();
viewController.Tag = bindingContext;
viewController.View = nativeConverted;
// Only happens when ItemsSource is List<View>
if (ChildViewControllers != null)
{
ChildViewControllers.Add(viewController);
Console.WriteLine("ChildViewControllers count = " + ChildViewControllers.Count());
}
return(viewController);
}
