public static void DismissSemiModalViewController(this UIViewController instance, SemiModalViewController vc)
{
AppGlobal.EnableRotations();
var animationDelay = 0.7f;
UIView modalView = vc.View;
UIView coverView = vc.CoverView;
var offSize = UIScreen.MainScreen.Bounds.Size;
var offScreenCenter = PointF.Empty;
UIDeviceOrientation orientation = UIDevice.CurrentDevice.Orientation;
if(orientation == UIDeviceOrientation.LandscapeLeft || orientation == UIDeviceOrientation.LandscapeRight)
{
offScreenCenter = new PointF(offSize.Height / 2.0f, offSize.Width * 1.5f);
}
else
{
offScreenCenter = new PointF(offSize.Width / 2.0f, offSize.Height * 1.5f);
}
UIView.Animate(animationDelay,
delegate
{
modalView.Center = offScreenCenter;
coverView.Alpha = 0.0f;
},
delegate
{
if(modalView != null && modalView.Superview != null)
{
modalView.RemoveFromSuperview();
}
if(coverView != null && coverView.Superview != null)
{
coverView.RemoveFromSuperview();
}
});
}
public static void PresentSemiModalViewController(this UIViewController instance, SemiModalViewController vc)
{
AppGlobal.DisableRotations();
UIView modalView = vc.View;
UIView coverView = vc.CoverView;
var middleCenter = instance.View.Center;
var size = UIScreen.MainScreen.Bounds.Size;
var center = PointF.Empty;
if(Util.IsLandscape())
{
center = new PointF(size.Height / 2.0f, size.Width * 1.2f);
middleCenter = new PointF(middleCenter.Y, middleCenter.X);
modalView.Bounds = new RectangleF(0, 0, UIScreen.MainScreen.Bounds.Height, UIScreen.MainScreen.Bounds.Width - DimensionSet.StatusBarHeight);
coverView.Frame = new RectangleF(0, 0, UIScreen.MainScreen.Bounds.Height, UIScreen.MainScreen.Bounds.Width);
}
else
{
center = new PointF(size.Width / 2.0f, size.Height * 1.2f);
modalView.Bounds = new RectangleF(0, 0, UIScreen.MainScreen.Bounds.Width, UIScreen.MainScreen.Bounds.Height - DimensionSet.StatusBarHeight);
coverView.Frame = new RectangleF(0, 0, UIScreen.MainScreen.Bounds.Width, UIScreen.MainScreen.Bounds.Height);
}
// we start off-screen
modalView.Center = center;
coverView.Alpha = 0.0f;
instance.View.AddSubview(coverView);
instance.View.AddSubview(modalView);
// Show it with a transition effect
UIView.BeginAnimations("semi_modal_present");
UIView.SetAnimationDuration(0.6);
modalView.Center = middleCenter;
coverView.Alpha = 0.5f;
UIView.CommitAnimations();
}
