public static UIViewController CreateViewController(this Page page)
{
if (!Forms.IsInitialized)
{
throw new InvalidOperationException("call Forms.Init() before this");
}
if (!(page.RealParent is Application))
{
Application app = new EmbeddedApplication();
app.MainPage = page;
}
var result = new Platform.iOS.Platform();
result.SetPage(page);
return(result.ViewController);
}
void LayoutChildren(bool animated)
{
var frame = Element.Bounds.ToRectangleF();
var flyoutFrame = frame;
nfloat opacity = 1;
flyoutFrame.Width = (int)(Math.Min(flyoutFrame.Width, flyoutFrame.Height) * 0.8);
var detailRenderer = Platform.GetRenderer(FlyoutPage.Detail);
if (detailRenderer == null)
{
return;
}
var detailView = detailRenderer.ViewController.View;
var isRTL = (Element as IVisualElementController)?.EffectiveFlowDirection.IsRightToLeft() == true;
if (isRTL)
{
flyoutFrame.X = (int)(flyoutFrame.Width * .25);
}
_flyoutController.View.Frame = flyoutFrame;
var target = frame;
if (Presented)
{
target.X += flyoutFrame.Width;
if (_applyShadow)
{
opacity = 0.5f;
}
}
if (isRTL)
{
target.X = target.X * -1;
}
if (animated)
{
UIView.BeginAnimations("Flyout");
var view = _detailController.View;
view.Frame = target;
detailView.Layer.Opacity = (float)opacity;
#pragma warning disable CA1416 // TODO: SetAnimationCurve(...), SetAnimationDuration(250), CommitAnimations() is unsupported on: 'ios' 13.0 and later
UIView.SetAnimationCurve(UIViewAnimationCurve.EaseOut);
UIView.SetAnimationDuration(250);
UIView.CommitAnimations();
#pragma warning restore CA1416
}
else
{
_detailController.View.Frame = target;
detailView.Layer.Opacity = (float)opacity;
}
FlyoutPageController.FlyoutBounds = new Rect(flyoutFrame.X, 0, flyoutFrame.Width, flyoutFrame.Height);
FlyoutPageController.DetailBounds = new Rect(0, 0, frame.Width, frame.Height);
if (Presented)
{
_clickOffView.Frame = _detailController.View.Frame;
}
}
