public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
var container = transitionContext.ContainerView;
var @to = transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey);
@to.View.Frame = UIScreen.MainScreen.Bounds;
@to.View.Alpha = 0;
var backgroundColor = Theme.ColorPalette.Background.ToUIColor();
var brightness = ((backgroundColor.CGColor.Components[0] * 299) + (backgroundColor.CGColor.Components[1] * 587) + (backgroundColor.CGColor.Components[2] * 114)) / 1000;
var visualEffectView = new UIVisualEffectView(UIBlurEffect.FromStyle(brightness > 0.5f ? UIBlurEffectStyle.ExtraLight : UIBlurEffectStyle.ExtraDark))
{
Frame = UIScreen.MainScreen.Bounds,
Tag = VISUAL_EFFECT_TAG,
Alpha = 0
};
container.AddSubviews(
visualEffectView,
@to.View
);
UIView.AnimateNotify(ANIMATION_DURATION, 0.0, UIViewAnimationOptions.CurveEaseIn, () =>
{
visualEffectView.Alpha = 1f;
@to.View.Alpha = 1f;
}, finished =>
{
transitionContext.CompleteTransition(true);
});
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
var fromViewController = transitionContext.GetViewControllerForKey(UITransitionContext.FromViewControllerKey);
var toViewController = transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey);
UIView containerView = transitionContext.ContainerView;
var fromView = transitionContext.GetViewFor(UITransitionContext.FromViewKey);
var toView = transitionContext.GetViewFor(UITransitionContext.ToViewKey);
fromView.Frame = transitionContext.GetInitialFrameForViewController(fromViewController);
toView.Frame = transitionContext.GetFinalFrameForViewController(toViewController);
fromView.Alpha = 1f;
toView.Alpha = 0f;
containerView.AddSubview(toView);
var transitionDuration = TransitionDuration(transitionContext);
UIView.Animate(transitionDuration, 0, UIViewAnimationOptions.TransitionNone, () => {
fromView.Alpha = 0f;
toView.Alpha = 1f;
}, () => {
bool wasCancel = transitionContext.TransitionWasCancelled;
transitionContext.CompleteTransition(!wasCancel);
}
);
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
var fromViewController =
transitionContext.GetViewControllerForKey(UITransitionContext.FromViewControllerKey);
var toViewController = transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey);
var screenBounds = UIScreen.MainScreen.Bounds;
var fromFrame = fromViewController.View.Frame;
UIView.AnimateNotify(_transitionDuration,
() =>
{
toViewController.View.Alpha = 1.0f;
switch (fromViewController.InterfaceOrientation)
{
case UIInterfaceOrientation.Portrait:
fromViewController.View.Frame = new CGRect(0, screenBounds.Height, fromFrame.Width,
fromFrame.Height);
break;
case UIInterfaceOrientation.LandscapeLeft:
fromViewController.View.Frame = new CGRect(screenBounds.Width, 0, fromFrame.Width,
fromFrame.Height);
break;
case UIInterfaceOrientation.LandscapeRight:
fromViewController.View.Frame = new CGRect(screenBounds.Width * -1, 0, fromFrame.Width,
fromFrame.Height);
break;
}
},
finished => transitionContext.CompleteTransition(true));
}
protected override void AnimatePresentingInContext(IUIViewControllerContextTransitioning transitioningContext, UIViewController originatingController, UIViewController destinationController)
{
CGRect fromVCrect = transitioningContext.GetInitialFrameForViewController(originatingController);
CGRect toVCRect = fromVCrect;
toVCRect.Y = (nfloat)(toVCRect.Size.Height - this.InitialY);
destinationController.View.Frame = toVCRect;
UIView container = transitioningContext.ContainerView;
UIView imageView = new UIImageView(DummyImage);
destinationController.View.AddSubview(imageView);
container.AddSubview(originatingController.View);
container.AddSubview(destinationController.View);
UIView.Animate(AnimationDuration, () =>
{
destinationController.View.Frame = fromVCrect;
imageView.Alpha = 0.0f;
},
() =>
{
imageView.RemoveFromSuperview();
if (transitioningContext.TransitionWasCancelled)
{
transitioningContext.CompleteTransition(false);
}
else
{
transitioningContext.CompleteTransition(true);
}
});
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
var toViewController = GetViewController(transitionContext, UITransitionContext.ToViewControllerKey);
bool isPushing = TransitionOperation == UINavigationControllerOperation.Push;
var detailView = toViewController.View;
detailView.Frame = GetFrameWithNavigationBarOffset(detailView.Frame, toViewController, ToHasNavigationBar);
transitionContext.ContainerView.AddSubview(detailView);
detailView.Alpha = 0;
if (!isPushing)
{
toViewController.View.Alpha = 0.0f;
}
UIView.Animate(Duration, () =>
{
detailView.Alpha = 1;
}, () =>
{
transitionContext.CompleteTransition(!transitionContext.TransitionWasCancelled);
});
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
var inView = transitionContext.ContainerView;
var fromVC = transitionContext.GetViewControllerForKey(UITransitionContext.FromViewControllerKey);
BaseActivity toVC = (BaseActivity)transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey);
var fromView = fromVC.View;
var toView = toVC.View;
inView.AddSubview(toView);
var frame = toView.Frame;
toView.Frame = new CGRect(frame.Width, 0, frame.Width, frame.Height);
UIView.Animate(TransitionDuration(transitionContext), () => {
fromView.Frame = new CGRect(-frame.Width, 0, frame.Width, frame.Height);
toView.Frame = new CGRect(0, 0, frame.Width, frame.Height);
}, () => {
transitionContext.CompleteTransition(true);
CommonMethods.transitionRunning = false;
if (CommonMethods.transitionTarget != "empty")
{
CommonMethods.OpenPage(CommonMethods.transitionTarget, CommonMethods.transitionAnim);
CommonMethods.transitionTarget = "empty";
}
});
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
var toViewController = transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey);
var containerView = transitionContext.ContainerView;
var animationDuration = TransitionDuration(transitionContext);
var animation = (CASpringAnimation)CASpringAnimation.FromKeyPath("position.y");
animation.Damping = 10;
animation.InitialVelocity = 20;
animation.Mass = 1;
animation.Stiffness = 100;
animation.From = FromObject(containerView.Bounds.Height);
animation.To = FromObject(UIScreen.MainScreen.Bounds.Height / 2);
animation.Duration = TransitionDuration(transitionContext);
animation.AnimationStopped += delegate
{
transitionContext.CompleteTransition(true);
};
toViewController.View.Layer.AddAnimation(animation, null);
containerView.AddSubview(toViewController.View);
}
private void AnimateTransitionForDismiss(IUIViewControllerContextTransitioning transitionContext)
{
var source = transitionContext.GetViewControllerForKey(UITransitionContext.FromViewControllerKey);
var destination = transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey);
source.ViewWillDisappear(true);
destination.ViewWillAppear(true);
var duration = TransitionDuration(transitionContext);
CATransaction.Begin();
CATransaction.CompletionBlock = () =>
{
transitionContext.CompleteTransition(true);
};
UIView.Animate(duration, 0, new UIViewAnimationOptions(),
animation: () =>
{
source.View.Alpha = 0;
}, completion: () =>
{
destination.ViewDidAppear(true);
source.ViewDidDisappear(true);
});
SpotlightTransitionWillDismiss?.Invoke(this, transitionContext);
CATransaction.Commit();
}
public void AnimateTransition (IUIViewControllerContextTransitioning transitionContext)
{
UIView containerView = transitionContext.ContainerView;
UIView toView = transitionContext.GetViewFor (UITransitionContext.ToViewKey);
if (transitionContext.GetViewControllerForKey (UITransitionContext.ToViewControllerKey) == DestinationViewController) {
// Presenting.
UIView.PerformWithoutAnimation (() => {
toView.Alpha = 0;
containerView.AddSubview (toView);
});
double transitionContextDuration = TransitionDuration (transitionContext);
UIView.AnimateNotify (transitionContextDuration, () => {
toView.Alpha = 1;
}, transitionContext.CompleteTransition);
} else {
// Dismissing.
var fromView = transitionContext.GetViewFor (UITransitionContext.FromViewKey);
UIView.PerformWithoutAnimation (() => containerView.InsertSubviewBelow (toView, fromView));
var transitionContextDuration = TransitionDuration (transitionContext);
UIView.AnimateNotify (transitionContextDuration, () => {
fromView.Alpha = 0;
}, transitionContext.CompleteTransition);
}
}
protected void StartInteractiveTransition(IUIViewControllerContextTransitioning transitionCtx)
{
SlidingViewController sliding = this.SlidingViewController;
UIViewController topController = sliding.GetViewControllerForKey(ECSlidingViewController.ECTransitionContextTopViewControllerKey);
// Disable user interaction of top controller's view
topController.View.UserInteractionEnabled = false;
if (_interactive)
{
UIViewController underController = sliding.GetViewControllerForKey(ECSlidingViewController.ECTransitionContextUnderLeftControllerKey);
RectangleF underViewInitialFrame = sliding.GetInitialFrameForViewController(underController);
RectangleF underViewFinalFrame = sliding.GetFinalFrameForViewController(underController);
// Update frame of under controller view
underController.View.Frame = underViewInitialFrame.IsEmpty ? underViewFinalFrame : underViewInitialFrame;
// Insert under view below top view
sliding.ContainerView.InsertSubviewBelow(underController.View, topController.View);
// Do some calculation
float finalLeftEdge = sliding.GetFinalFrameForViewController(topController).GetMinX();
float initialLeftEdge = sliding.GetInitialFrameForViewController(topController).GetMinX();
_fullWidth = Math.Abs(finalLeftEdge - initialLeftEdge);
_positiveLeftToRight = initialLeftEdge < finalLeftEdge;
}
else
{
this.AnimationController.AnimateTransition(transitionCtx);
}
// Enable user interaction of top controller's view
topController.View.UserInteractionEnabled = true;
}
void PerformFadeAnimation(IUIViewControllerContextTransitioning transitionContext)
{
var fromView = transitionContext.GetViewFor(UITransitionContext.FromViewKey);
var toView = transitionContext.GetViewFor(UITransitionContext.ToViewKey);
var viewToFade = toView;
var beginningAlpha = 0.0f;
var endingAlpha = 1.0f;
if (IsDismissing)
{
viewToFade = fromView;
beginningAlpha = 1.0f;
endingAlpha = 0.0f;
}
viewToFade.Alpha = beginningAlpha;
UIView.Animate(FadeDuration(transitionContext), () => { viewToFade.Alpha = endingAlpha; },
() => {
if (!ShouldPerformZoomingAnimation)
{
CompleteTransition(transitionContext);
}
});
}
public void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
UIView containerView = transitionContext.ContainerView;
UIView toView = transitionContext.GetViewFor(UITransitionContext.ToViewKey);
if (transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey) == DestinationViewController)
{
// Presenting.
UIView.PerformWithoutAnimation(() => {
toView.Alpha = 0;
containerView.AddSubview(toView);
});
double transitionContextDuration = TransitionDuration(transitionContext);
UIView.AnimateNotify(transitionContextDuration, () => {
toView.Alpha = 1;
}, transitionContext.CompleteTransition);
}
else
{
// Dismissing.
var fromView = transitionContext.GetViewFor(UITransitionContext.FromViewKey);
UIView.PerformWithoutAnimation(() => containerView.InsertSubviewBelow(toView, fromView));
var transitionContextDuration = TransitionDuration(transitionContext);
UIView.AnimateNotify(transitionContextDuration, () => {
fromView.Alpha = 0;
}, transitionContext.CompleteTransition);
}
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
base.AnimateTransition(transitionContext);
Action animation = null;
if (IsPresenting)
{
toView.Frame = transitionContext.ContainerView.Bounds;
toView.Transform = CGAffineTransform.MakeTranslation(0, toView.Frame.Size.Height);
transitionContext.ContainerView.AddSubview(toView);
animation = () => toView.Transform = CGAffineTransform.MakeIdentity();
}
else
{
toView.Frame = transitionContext.ContainerView.Bounds;
transitionContext.ContainerView.InsertSubviewBelow(toView, fromView);
animation = () => fromView.Transform = CGAffineTransform.MakeTranslation(0, toView.Frame.Size.Height);
}
animator = CreateDefaultAnimator();
animator.AddCompletion(position => transitionContext.CompleteTransition(true));
animator.AddAnimations(animation);
animator.StartAnimation();
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
var containerView = transitionContext.ContainerView;
var toViewController = transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey);
var fromViewController = transitionContext.GetViewControllerForKey(UITransitionContext.FromViewControllerKey);
containerView.AddSubview(toViewController.View);
toViewController.View.Frame = CGRect.Empty;
var startPoint = GetStartPoint(fromViewController.InterfaceOrientation);
if (fromViewController.InterfaceOrientation == UIInterfaceOrientation.Portrait)
{
toViewController.View.Frame = new CGRect(startPoint.X, startPoint.Y, fromViewController.View.Frame.Width, fromViewController.View.Frame.Height);
}
else
{
toViewController.View.Frame = new CGRect(startPoint.X, startPoint.Y, fromViewController.View.Frame.Height, fromViewController.View.Frame.Width);
}
UIView.AnimateNotify(Duration, delegate {
toViewController.View.Frame = new CGRect(0, 0, fromViewController.View.Frame.Width, fromViewController.View.Frame.Height);
fromViewController.View.Alpha = 0.5f;
}, delegate {
transitionContext.CompleteTransition(true);
});
}
public void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
var fromController = transitionContext.GetViewControllerForKey(
UITransitionContext.FromViewControllerKey);
var toController = transitionContext.GetViewControllerForKey(
UITransitionContext.ToViewControllerKey);
if (fromController is PestoDetailViewController &
toController is PestoViewController)
{
CGRect detailFrame = fromController.View.Frame;
detailFrame.Y = this.View.Frame.Size.Height;
UIView.AnimateNotify(TransitionDuration(transitionContext),
0.5f,
UIViewAnimationOptions.CurveEaseIn,
() => {
fromController.View.Frame = detailFrame;
}, new UICompletionHandler((bool finished) => {
if (fromController.View != null)
{
fromController.View.RemoveFromSuperview();
}
transitionContext.CompleteTransition(true);
}));
}
}
public override void StartInteractiveTransition(IUIViewControllerContextTransitioning transitionContext)
{
base.StartInteractiveTransition(transitionContext);
Action animation = null;
if (IsPresenting)
{
toView.Frame = transitionContext.ContainerView.Bounds;
toView.Transform = CGAffineTransform.MakeTranslation(0, toView.Frame.Size.Height);
transitionContext.ContainerView.AddSubview(toView);
animation = () => toView.Transform = CGAffineTransform.MakeIdentity();
}
else
{
}
if (WantsInteractiveStart)
{
animator = new UIViewPropertyAnimator(DEFAULT_DURATION, UIViewAnimationCurve.Linear, animation);
}
else
{
animator = CreateDefaultAnimator();
animator.AddCompletion(position => transitionContext.CompleteTransition(true));
animator.AddAnimations(animation);
animator.StartAnimation();
}
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
var toController = (DurationChangeViewController)transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey);
var fromController = transitionContext.GetViewControllerForKey(UITransitionContext.FromViewControllerKey);
var container = transitionContext.ContainerView;
var imageView = (UIImageView)toController.View;
imageView.Image = GetBlurred(fromController.View);
toController.View.Frame = transitionContext.GetFinalFrameForViewController(toController);
toController.View.Alpha = 0;
container.InsertSubviewAbove(toController.View, fromController.View);
UIView.Animate(
TransitionDuration(transitionContext),
delegate {
toController.View.Alpha = 1;
},
delegate {
if (!transitionContext.TransitionWasCancelled)
{
fromController.View.RemoveFromSuperview();
}
transitionContext.CompleteTransition(!transitionContext.TransitionWasCancelled);
}
);
}
public override async void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
// Get the from and to View Controllers and their views
var fromVC = transitionContext.GetViewControllerForKey(UITransitionContext.FromViewControllerKey);
var fromView = fromVC.View;
var toVC = transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey);
var toView = toVC.View;
// Add the to view to the transition container view
var containerView = transitionContext.ContainerView;
// Set the desired target for the transition
var appearedFrame = transitionContext.GetFinalFrameForViewController(fromVC);
// Set how the animation shall end
var finalFrame = new CGRect(_animationOrigin.Frame.GetMidX(), _animationOrigin.Frame.GetMidY(), 0, 0);
fromView.Frame = appearedFrame;
var isAnimationCompleted = await UIView.AnimateAsync(TransitionDuration(transitionContext), () => {
fromView.Frame = finalFrame;
});
fromView.RemoveFromSuperview();
transitionContext.CompleteTransition(isAnimationCompleted);
}
private void CloseDrawer(IUIViewControllerContextTransitioning transitionContext, UIViewController fromVC, FlyingObjectsContainterViewController toVC)
{
if (Direction == DrawerDirection.Left)
{
toVC.View.LayoutIfNeeded();
toVC.ShiftContainerRight(0);
UIView.Animate(0.25,
() =>
{
fromVC.View.Frame = new CGRect(-toVC.View.Frame.Size.Width, UIApplication.SharedApplication.StatusBarFrame.Size.Height, fromVC.View.Frame.Size.Width, toVC.View.Window.Frame.Size.Height);
toVC.View.LayoutIfNeeded();
},
() =>
{
transitionContext.CompleteTransition(true);
}
);
}
else
{
toVC.View.LayoutIfNeeded();
toVC.ShiftContainerRight(0);
UIView.Animate(0.25,
() =>
{
fromVC.View.Frame = new CGRect(toVC.View.Frame.Size.Width, UIApplication.SharedApplication.StatusBarFrame.Size.Height, fromVC.View.Frame.Size.Width, toVC.View.Window.Frame.Size.Height);
toVC.View.LayoutIfNeeded();
},
() =>
{
fromVC = null;
transitionContext.CompleteTransition(true);
});
}
}
public void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
var container = transitionContext.ContainerView;
container.UserInteractionEnabled = false;
//Getting target and source VC
var fromViewController = transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey);
var toViewController = transitionContext.GetViewControllerForKey(UITransitionContext.FromViewControllerKey);
if (!IsMenuOpen)
{
//if container changed orientation, menucontroller doesn't know about that
//we should update bounds for this case
fromViewController.View.Frame = container.Bounds;
_originalSuperview = toViewController.View.Superview;
MainViewController = toViewController;
MenuWillAppear?.Invoke(this, EventArgs.Empty);
ShowMenu(transitionContext, container, fromViewController, toViewController);
}
else
{
MenuWillDisappear?.Invoke(this, EventArgs.Empty);
HideMenu(transitionContext, container, fromViewController, toViewController);
}
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext,
UIViewController fromViewController, UIViewController toViewController,
UIView fromView, UIView toView)
{
UIView containerView = transitionContext.ContainerView;
containerView.AddSubview(toView);
containerView.SendSubviewToBack(toView);
double duration = TransitionDuration(transitionContext);
NSAction animation = () => {
fromView.Alpha = 0f;
};
UIView.Animate(duration, animation, () => {
if (transitionContext.TransitionWasCancelled)
{
fromView.Alpha = 1f;
}
else
{
fromView.RemoveFromSuperview();
fromView.Alpha = 1f;
}
transitionContext.CompleteTransition(!transitionContext.TransitionWasCancelled);
});
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
var fromViewController = transitionContext.GetViewControllerForKey(UITransitionContext.FromViewControllerKey);
var toViewController = transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey);
var screenBounds = UIScreen.MainScreen.Bounds;
var fromFrame = fromViewController.View.Frame;
UIView.AnimateNotify(_transitionDuration,
() =>
{
toViewController.View.Alpha = 1.0f;
switch(fromViewController.InterfaceOrientation)
{
case UIInterfaceOrientation.Portrait:
fromViewController.View.Frame = new CGRect(0, screenBounds.Height, fromFrame.Width, fromFrame.Height);
break;
case UIInterfaceOrientation.LandscapeLeft:
fromViewController.View.Frame = new CGRect(screenBounds.Width, 0, fromFrame.Width, fromFrame.Height);
break;
case UIInterfaceOrientation.LandscapeRight:
fromViewController.View.Frame = new CGRect(screenBounds.Width * -1, 0, fromFrame.Width, fromFrame.Height);
break;
default:
break;
}
},
(finished) => transitionContext.CompleteTransition(true));
}
public async override void AnimateTransition (IUIViewControllerContextTransitioning transitionContext)
{
UIViewController fromVC = transitionContext.GetViewControllerForKey (UITransitionContext.FromViewControllerKey);
UIView fromView = fromVC.View;
UIViewController toVC = transitionContext.GetViewControllerForKey (UITransitionContext.ToViewControllerKey);
UIView toView = toVC.View;
UIView containerView = transitionContext.ContainerView;
if (IsPresentation)
containerView.AddSubview (toView);
UIViewController animatingVC = IsPresentation? toVC : fromVC;
UIView animatingView = animatingVC.View;
animatingView.Frame = transitionContext.GetFinalFrameForViewController (animatingVC);
CGAffineTransform presentedTransform = CGAffineTransform.MakeIdentity ();
CGAffineTransform dismissedTransform = CGAffineTransform.MakeScale (0.001f, 0.001f) * CGAffineTransform.MakeRotation (8 * (float)Math.PI);
animatingView.Transform = IsPresentation ? dismissedTransform : presentedTransform;
var opt = UIViewAnimationOptions.AllowUserInteraction | UIViewAnimationOptions.BeginFromCurrentState;
await UIView.AnimateNotifyAsync (TransitionDuration (transitionContext), 0, 300, 5, opt, () => {
animatingView.Transform = IsPresentation ? presentedTransform : dismissedTransform;
});
animatingView.Transform = CGAffineTransform.MakeIdentity ();
if (!IsPresentation)
fromView.RemoveFromSuperview ();
transitionContext.CompleteTransition (true);
}
private void AnimateTransitionForPresent(IUIViewControllerContextTransitioning transitionContext)
{
var source = transitionContext.GetViewControllerForKey(UITransitionContext.FromViewControllerKey);
var destination = transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey);
transitionContext.ContainerView.InsertSubviewAbove(destination.View, source.View);
destination.View.Alpha = 0;
source.ViewWillDisappear(true);
destination.ViewWillAppear(true);
var duration = TransitionDuration(transitionContext);
CATransaction.Begin();
CATransaction.CompletionBlock = () =>
{
transitionContext.CompleteTransition(true);
};
UIView.Animate(duration, 0, new UIViewAnimationOptions(),
() =>
{
destination.View.Alpha = (nfloat)1.0;
}, () =>
{
destination.ViewDidAppear(true);
source.ViewDidDisappear(true);
});
SpotlightTransitionWillPresent?.Invoke(this, transitionContext);
CATransaction.Commit();
}
public override void AnimateTransition (IUIViewControllerContextTransitioning transitionContext)
{
_transitionContext = transitionContext;
var containerView = transitionContext.ContainerView;
FlashCardViewController toViewController;
UIViewController fromViewController;
if (Presenting) {
fromViewController = transitionContext.GetViewControllerForKey (UITransitionContext.FromViewControllerKey) as UIViewController;
toViewController = transitionContext.GetViewControllerForKey (UITransitionContext.ToViewControllerKey) as FlashCardViewController;
} else {
toViewController = transitionContext.GetViewControllerForKey (UITransitionContext.FromViewControllerKey) as FlashCardViewController;
fromViewController = transitionContext.GetViewControllerForKey (UITransitionContext.ToViewControllerKey) as UIViewController;
}
if(Presenting)
containerView.AddSubview(toViewController.View);
var originRect = toViewController.SourceFrame;
var circleRect = new CGRect (originRect.GetMidX(), originRect.GetMidY(), 10, 10);
var circleMaskPathInitial = UIBezierPath.FromOval(circleRect); //(ovalInRect: button.frame);
var extremePoint = new CGPoint(circleRect.X - toViewController.View.Bounds.Width, circleRect.Y - toViewController.View.Bounds.Height ); //CGRect.GetHeight (toViewController.view.bounds));
var radius = (float)Math.Sqrt((extremePoint.X * extremePoint.X) + (extremePoint.Y * extremePoint.Y));
var largeCircleRect = circleRect.Inset (-radius, -radius);
var circleMaskPathFinal = UIBezierPath.FromOval (largeCircleRect);
CGPath fromPath;
CGPath toPath;
if (Presenting) {
fromPath = circleMaskPathInitial.CGPath;
toPath = circleMaskPathFinal.CGPath;
} else {
var path = new CGPath ();
fromPath = circleMaskPathFinal.CGPath;
toPath = circleMaskPathInitial.CGPath;
}
var maskLayer = new CAShapeLayer();
maskLayer.Path = fromPath;
if (Presenting) {
toViewController.View.Layer.Mask = maskLayer;
} else {
toViewController.View.Layer.Mask = maskLayer;
}
var maskLayerAnimation = CABasicAnimation.FromKeyPath("path");
maskLayerAnimation.From = ObjCRuntime.Runtime.GetNSObject(fromPath.Handle);
maskLayerAnimation.To = ObjCRuntime.Runtime.GetNSObject(toPath.Handle);
maskLayerAnimation.Duration = this.TransitionDuration(transitionContext);
_animDoneDelegate = new AnimDoneDelegate (transitionContext);
maskLayerAnimation.Delegate = _animDoneDelegate;
maskLayer.AddAnimation(maskLayerAnimation, "path");
}
public override void AnimateTransition (IUIViewControllerContextTransitioning transitionContext,
UIViewController fromViewController, UIViewController toViewController,
UIView fromView, UIView toView)
{
UIView containerView = transitionContext.ContainerView;
containerView.AddSubview (toView);
containerView.SendSubviewToBack (toView);
var transform = CATransform3D.Identity;
transform.m34 = -0.002f;
containerView.Layer.SublayerTransform = transform;
var initialFrame = transitionContext.GetInitialFrameForViewController (fromViewController);
fromView.Frame = initialFrame;
toView.Frame = initialFrame;
List<UIView> toViewSnapshots = CreateSnapshots (toView, true);
UIView flippedSectionOfToView = toViewSnapshots [Reverse ? 0 : 1];
List<UIView> fromViewSnapshots = CreateSnapshots (fromView, false);
UIView flippedSectionOfFromView = fromViewSnapshots [Reverse ? 1 : 0];
flippedSectionOfFromView = AddShadowToView (flippedSectionOfFromView, !Reverse);
UIView flippedSectionOfFromViewShadow = flippedSectionOfFromView.Subviews [1];
flippedSectionOfFromViewShadow.Alpha = 0f;
flippedSectionOfToView = AddShadowToView (flippedSectionOfToView, Reverse);
UIView flippedSectionOfToViewShadow = flippedSectionOfToView.Subviews [1];
flippedSectionOfToViewShadow.Alpha = 1f;
// change the anchor point so that the view rotate around the correct edge
UpdateAnchorPointAndOffset (new CGPoint (Reverse ? 0f : 1f, 0.5f), flippedSectionOfFromView);
UpdateAnchorPointAndOffset (new CGPoint (Reverse ? 1f : 0f, 0.5f), flippedSectionOfToView);
flippedSectionOfToView.Layer.Transform = Rotate (Reverse ? (float)Math.PI / 2 : -(float)Math.PI / 2);
double duration = TransitionDuration (transitionContext);
Action animations = () => {
UIView.AddKeyframeWithRelativeStartTime (0.0, 0.5, () => {
flippedSectionOfFromView.Layer.Transform = Rotate (Reverse ? -(float)Math.PI / 2 : (float)Math.PI / 2);
flippedSectionOfFromViewShadow.Alpha = 1f;
});
UIView.AddKeyframeWithRelativeStartTime (0.5, 0.5, () => {
flippedSectionOfToView.Layer.Transform = Rotate (Reverse ? 0.001f : -0.001f);
flippedSectionOfToViewShadow.Alpha = 0f;
});
};
UIView.AnimateKeyframes (duration, 0.0, UIViewKeyframeAnimationOptions.CalculationModeLinear, animations, (finished) => {
if (transitionContext.TransitionWasCancelled) {
RemoveOtherViews (fromView);
} else {
RemoveOtherViews (toView);
}
transitionContext.CompleteTransition (!transitionContext.TransitionWasCancelled);
});
}
private void OnAnimationCompled(IUIViewControllerContextTransitioning context, UIView fromView)
{
if (!context.TransitionWasCancelled)
{
fromView.RemoveFromSuperview();
}
context.CompleteTransition(!context.TransitionWasCancelled);
}
public override void StartInteractiveTransition(IUIViewControllerContextTransitioning transitionContext)
{
if (ViewToHideWhenBeginningTransition != null)
{
ViewToHideWhenBeginningTransition.Alpha = 0.0f;
}
_transitionContext = transitionContext;
}
nfloat FadeDuration(IUIViewControllerContextTransitioning transitionContext)
{
if (ShouldPerformZoomingAnimation)
{
return((nfloat)TransitionDuration(transitionContext) * AnimationDurationFadeRatio);
}
return((nfloat)TransitionDuration(transitionContext));
}
public double TransitionDuration(IUIViewControllerContextTransitioning transitionContext)
{
if (ShouldPerformZoomingAnimation)
{
return(AnimationDurationWithZooming);
}
return(AnimationDurationWithoutZooming);
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
var fromViewController = transitionContext.GetViewControllerForKey(UITransitionContext.FromViewControllerKey);
var toViewController = transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey);
var fromView = fromViewController.View;
var toView = toViewController.View;
Animate(transitionContext, fromViewController, toViewController, fromView, toView);
}
public override void AnimateTransition (IUIViewControllerContextTransitioning transitionContext,
UIViewController fromViewController, UIViewController toViewController,
UIView fromView, UIView toView)
{
if (Reverse) {
ExecuteReverseAnimation (transitionContext, fromViewController, toViewController, fromView, toView);
} else {
ExecuteForwardAnimation (transitionContext, fromViewController, toViewController, fromView, toView);
}
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
UIViewController fromViewController = transitionContext.GetViewControllerForKey (UITransitionContext.FromViewControllerKey);
UIViewController toViewController = transitionContext.GetViewControllerForKey (UITransitionContext.ToViewControllerKey);
UIView fromView = fromViewController.View;
UIView toView = toViewController.View;
AnimateTransition (transitionContext, fromViewController, toViewController, fromView, toView);
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext,
UIViewController fromViewController, UIViewController toViewController,
UIView fromView, UIView toView)
{
UIView containerView = transitionContext.ContainerView;
containerView.AddSubview(toView);
containerView.SendSubviewToBack(toView);
var size = toView.Frame.Size;
var snapshots = new List <UIView> ();
float xFactor = 10f;
nfloat yFactor = xFactor * size.Height / size.Width;
for (nfloat x = 0; x < size.Width; x += size.Width / xFactor)
{
for (nfloat y = 0; y < size.Height; y += size.Height / yFactor)
{
var snapshotRegion = new CGRect(x, y, size.Width / xFactor, size.Height / yFactor);
UIView snapshot = fromView.ResizableSnapshotView(snapshotRegion, false, UIEdgeInsets.Zero);
snapshot.Frame = snapshotRegion;
containerView.AddSubview(snapshot);
snapshots.Add(snapshot);
}
}
containerView.SendSubviewToBack(fromView);
var rnd = new Random();
double duration = TransitionDuration(transitionContext);
Action action = () => {
foreach (UIView view in snapshots)
{
float xOffset = rnd.Next(-100, 100);
float yOffset = rnd.Next(-100, 100);
view.Frame = new CGRect(view.Frame.X + xOffset, view.Frame.Y + yOffset, view.Frame.Width, view.Frame.Height);
view.Alpha = 0f;
var transition = CGAffineTransform.MakeRotation(rnd.Next(-10, 10));
transition.Scale(0f, 0f);
view.Transform = transition;
}
};
UIView.Animate(duration, action, () => {
foreach (UIView view in snapshots)
{
view.RemoveFromSuperview();
}
transitionContext.CompleteTransition(!transitionContext.TransitionWasCancelled);
});
}
public void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
SetUpTransitionContainerHierarchy(transitionContext);
PerformFadeAnimation(transitionContext);
if (ShouldPerformZoomingAnimation)
{
PerformZoomingAnimation(transitionContext);
}
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
if (IsPresent)
{
AnimateTransitionForPresent(transitionContext);
}
else
{
AnimateTransitionForDismiss(transitionContext);
}
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
var containerView = transitionContext.ContainerView;
var fromViewController = transitionContext.GetViewControllerForKey(UITransitionContext.FromViewControllerKey);
var toViewController = transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey);
toViewController.View.Frame = fromViewController.View.Frame;
if (IsPresenting)
{
var presentedControllerView = toViewController.View;
var originalCenter = presentedControllerView.Center;
var originalSize = presentedControllerView.Frame.Size;
presentedControllerView.Center = AnimationHelper.GetCenterPointFromFrame(StartingFrame);
presentedControllerView.Transform = CGAffineTransform.MakeScale(0.001f, 0.001f);
containerView.AddSubview(presentedControllerView);
UIView.Animate(Duration, 0, UIViewAnimationOptions.CurveEaseInOut,
() =>
{
presentedControllerView.Transform = CGAffineTransform.MakeIdentity();
presentedControllerView.Center = originalCenter;
}, () =>
{
transitionContext.CompleteTransition(true);
}
);
}
else
{
var returningControllerView = fromViewController.View;
var originalSize = returningControllerView.Frame.Size;
containerView.AddSubview(toViewController.View);
UIView.Animate(Duration, 0, UIViewAnimationOptions.CurveEaseInOut,
() =>
{
returningControllerView.Transform = CGAffineTransform.MakeScale(0.001f, 0.001f);
returningControllerView.Center = AnimationHelper.GetCenterPointFromFrame(StartingFrame);
returningControllerView.Alpha = .5f;
containerView.InsertSubview(returningControllerView, 1);
}, () =>
{
returningControllerView.Center = AnimationHelper.GetCenterPointFromFrame(StartingFrame);
returningControllerView.RemoveFromSuperview();
transitionContext.CompleteTransition(true);
}
);
}
}
public override void AnimateTransition (IUIViewControllerContextTransitioning transitionContext)
{
StatusViewController ToVC = (StatusViewController)transitionContext.GetViewControllerForKey (UITransitionContext.ToViewControllerKey);
UIViewController FromVC = (UIViewController)transitionContext.GetViewControllerForKey (UITransitionContext.FromViewControllerKey);
transitionContext.ContainerView.AddSubview (ToVC.View);
ToVC.View.Frame = new CoreGraphics.CGRect (-FromVC.View.Frame.Size.Width, 0, FromVC.View.Frame.Size.Width, FromVC.View.Frame.Size.Height);
UIView.Animate (.25, animation: () => {
ToVC.View.Frame = new CoreGraphics.CGRect (0, 0, FromVC.View.Frame.Size.Width, FromVC.View.Frame.Size.Height);
}, completion: () => {
transitionContext.CompleteTransition(true);
});
}
public override void StartInteractiveTransition (IUIViewControllerContextTransitioning transitionContext)
{
context = transitionContext;
var fromVC = (UICollectionViewController) context.GetViewControllerForKey (UITransitionContext.FromViewControllerKey);
var toVC = (UICollectionViewController) context.GetViewControllerForKey (UITransitionContext.ToViewControllerKey);
transitionLayout = (APLTransitionLayout) fromVC.CollectionView.StartInteractiveTransition (toVC.Layout,
delegate (bool finished, bool completed) {
context.CompleteTransition (completed);
collectionView.WeakDelegate = completed ? toVC : fromVC;
transitionLayout = null;
context = null;
HasActiveInteraction = false;
});
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext,
UIViewController fromViewController, UIViewController toViewController,
UIView fromView, UIView toView)
{
UIView containerView = transitionContext.ContainerView;
containerView.AddSubview (toView);
containerView.SendSubviewToBack (toView);
var size = toView.Frame.Size;
var snapshots = new List<UIView> ();
float xFactor = 10f;
float yFactor = xFactor * size.Height / size.Width;
for (float x = 0; x < size.Width; x += size.Width / xFactor) {
for (float y = 0; y < size.Height; y += size.Height / yFactor) {
var snapshotRegion = new RectangleF (x, y, size.Width / xFactor, size.Height / yFactor);
UIView snapshot = fromView.ResizableSnapshotView (snapshotRegion, false, UIEdgeInsets.Zero);
snapshot.Frame = snapshotRegion;
containerView.AddSubview (snapshot);
snapshots.Add (snapshot);
}
}
containerView.SendSubviewToBack (fromView);
var rnd = new Random ();
double duration = TransitionDuration (transitionContext);
NSAction action = () => {
foreach (UIView view in snapshots) {
float xOffset = rnd.Next (-100, 100);
float yOffset = rnd.Next (-100, 100);
view.Frame = new RectangleF (view.Frame.X + xOffset, view.Frame.Y + yOffset, view.Frame.Width, view.Frame.Height);
view.Alpha = 0f;
var transition = CGAffineTransform.MakeRotation (rnd.Next (-10, 10));
transition.Scale (0f, 0f);
view.Transform = transition;
}
};
UIView.Animate (duration, action, () => {
foreach (UIView view in snapshots)
view.RemoveFromSuperview ();
transitionContext.CompleteTransition (!transitionContext.TransitionWasCancelled);
});
}
private void ExecuteReverseAnimation (IUIViewControllerContextTransitioning transitionContext,
UIViewController fromViewController, UIViewController toViewController,
UIView fromView, UIView toView)
{
UIView containerView = transitionContext.ContainerView;
// positions the to- view behind the from- view
toView.Frame = containerView.Frame;
var scale = CATransform3D.Identity;
toView.Layer.Transform = scale.Scale (0.6f, 0.6f, 1f);
toView.Alpha = 0.6f;
containerView.InsertSubviewAbove (toView, fromView);
CGRect frameOffScreen = containerView.Frame;
frameOffScreen.Y = containerView.Frame.Height;
CATransform3D transform = GetFirstTransform ();
Action animations = () => {
// push the from- view off the bottom of the screen
UIView.AddKeyframeWithRelativeStartTime (0.0, 0.5, () => {
fromView.Frame = frameOffScreen;
});
// animate the to- view into place
UIView.AddKeyframeWithRelativeStartTime (0.35, 0.35, () => {
toView.Layer.Transform = transform;
toView.Alpha = 1f;
});
UIView.AddKeyframeWithRelativeStartTime (0.75, 0.25, () => {
toView.Layer.Transform = CATransform3D.Identity;
});
};
UIView.AnimateKeyframes (Duration, 0.0, UIViewKeyframeAnimationOptions.CalculationModeCubic, animations, (finished) => {
if (transitionContext.TransitionWasCancelled) {
toView.Layer.Transform = CATransform3D.Identity;
toView.Alpha = 1f;
}
transitionContext.CompleteTransition (!transitionContext.TransitionWasCancelled);
});
}
public override void AnimateTransition (IUIViewControllerContextTransitioning transitionContext)
{
var inView = transitionContext.ContainerView;
var toVC = transitionContext.GetViewControllerForKey (UITransitionContext.ToViewControllerKey);
var toView = toVC.View;
inView.AddSubview (toView);
var frame = toView.Frame;
toView.Frame = CGRect.Empty;
UIView.Animate (TransitionDuration (transitionContext), () => {
toView.Frame = new CGRect (20, 20, frame.Width - 40, frame.Height - 40);
}, () => {
transitionContext.CompleteTransition (true);
});
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
var containerView = transitionContext.ContainerView;
var toVC = transitionContext.GetViewControllerForKey (UITransitionContext.ToViewControllerKey);
var fromVC = transitionContext.GetViewControllerForKey (UITransitionContext.FromViewControllerKey);
if (Presenting)
{
fromVC.View.UserInteractionEnabled = false;
containerView.AddSubview(fromVC.View);
containerView.AddSubview(toVC.View);
var endFrame = toVC.View.Frame;
var frame = toVC.View.Frame;
frame.Y = -frame.Height;
toVC.View.Frame = frame;
UIView.Animate(TransitionDuration(transitionContext), 0, UIViewAnimationOptions.CurveEaseInOut, () =>
{
toVC.View.Frame = endFrame;
},
() =>
{
transitionContext.CompleteTransition(true);
});
}
else
{
toVC.View.UserInteractionEnabled = true;
containerView.Add(toVC.View);
containerView.Add(fromVC.View);
var endFrame = fromVC.View.Frame;
endFrame.Y = -endFrame.Height;
UIView.Animate(TransitionDuration(transitionContext), 0, UIViewAnimationOptions.CurveEaseInOut, () =>
{
fromVC.View.Frame = endFrame;
}, () =>
{
transitionContext.CompleteTransition(true);
});
}
}
/// <summary>
/// Animates the transition.
/// </summary>
/// <param name="transitionContext">Transition context.</param>
public override void AnimateTransition (IUIViewControllerContextTransitioning transitionContext) {
var inView = transitionContext.ContainerView;
var toVC = transitionContext.GetViewControllerForKey (UITransitionContext.ToViewControllerKey);
var toView = toVC.View;
toView.Alpha = 0.0f;
inView.AddSubview (toView);
toView.TranslatesAutoresizingMaskIntoConstraints = false;
inView.AddConstraint (NSLayoutConstraint.Create (inView, NSLayoutAttribute.Top, NSLayoutRelation.Equal, toView, NSLayoutAttribute.Top, 1.0f, 0.0f));
inView.AddConstraint (NSLayoutConstraint.Create (inView, NSLayoutAttribute.Trailing, NSLayoutRelation.Equal, toView, NSLayoutAttribute.Trailing, 1.0f, 0.0f));
inView.AddConstraint (NSLayoutConstraint.Create (inView, NSLayoutAttribute.Bottom, NSLayoutRelation.Equal, toView, NSLayoutAttribute.Bottom, 1.0f, 0.0f));
inView.AddConstraint (NSLayoutConstraint.Create (inView, NSLayoutAttribute.Leading, NSLayoutRelation.Equal, toView, NSLayoutAttribute.Leading, 1.0f, 0.0f));
UIView.Animate (TransitionDuration (transitionContext), () => {
toView.Alpha = 1.0f;
}, () => {
transitionContext.CompleteTransition (true);
});
}
private void ExecuteForwardAnimation (IUIViewControllerContextTransitioning transitionContext,
UIViewController fromViewController, UIViewController toViewController,
UIView fromView, UIView toView)
{
UIView containerView = transitionContext.ContainerView;
// positions the to- view off the bottom of the sceen
CGRect offScreenFrame = containerView.Frame;
offScreenFrame.Y = containerView.Frame.Height;
toView.Frame = offScreenFrame;
containerView.InsertSubviewAbove (toView, fromView);
CATransform3D firstTransform = GetFirstTransform ();
CATransform3D secondTrsnaform = GetSecondTransform (fromView);
Action animations = () => {
UIView.AddKeyframeWithRelativeStartTime (0.0, 0.4, () => {
fromView.Layer.Transform = firstTransform;
fromView.Alpha = 0.6f;
});
UIView.AddKeyframeWithRelativeStartTime (0.2, 0.4, () => {
fromView.Layer.Transform = secondTrsnaform;
});
UIView.AddKeyframeWithRelativeStartTime (0.6, 0.2, () => {
toView.Frame = new CGRect (toView.Frame.X, containerView.Frame.Y - 30f,
toView.Frame.Width, toView.Frame.Height);
});
UIView.AddKeyframeWithRelativeStartTime (0.8, 0.2, () => {
toView.Frame = containerView.Frame;
});
};
UIView.AnimateKeyframes (Duration, 0.0, UIViewKeyframeAnimationOptions.CalculationModeCubic, animations, (finished) => {
transitionContext.CompleteTransition (!transitionContext.TransitionWasCancelled);
});
}
public async override void AnimateTransition (IUIViewControllerContextTransitioning transitionContext)
{
UIViewController fromVC = transitionContext.GetViewControllerForKey (UITransitionContext.FromViewControllerKey);
UIView fromView = fromVC.View;
UIViewController toVC = transitionContext.GetViewControllerForKey (UITransitionContext.ToViewControllerKey);
UIView toView = toVC.View;
UIView containerView = transitionContext.ContainerView;
if (IsPresentation)
containerView.AddSubview (toView);
UIViewController animatingVC = IsPresentation ? toVC : fromVC;
UIView animatingView = animatingVC.View;
CGRect appearedFrame = transitionContext.GetFinalFrameForViewController (animatingVC);
CGRect dismissedFrame = appearedFrame;
CGPoint targetLacation = dismissedFrame.Location;
targetLacation.X += dismissedFrame.Size.Width;
dismissedFrame.Location = targetLacation;
CGRect initialFrame = IsPresentation ? dismissedFrame : appearedFrame;
CGRect finalFrame = IsPresentation ? appearedFrame : dismissedFrame;
animatingView.Frame = initialFrame;
UIViewAnimationOptions opt = UIViewAnimationOptions.AllowUserInteraction
| UIViewAnimationOptions.BeginFromCurrentState;
await UIView.AnimateNotifyAsync (TransitionDuration (transitionContext), 0, 300, 5, opt, () => {
animatingView.Frame = finalFrame;
});
if (!IsPresentation)
fromView.RemoveFromSuperview ();
transitionContext.CompleteTransition (true);
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext,
UIViewController fromViewController, UIViewController toViewController,
UIView fromView, UIView toView)
{
UIView containerView = transitionContext.ContainerView;
containerView.AddSubview (toView);
// Add a perspective transform
var transform = CATransform3D.Identity;
transform.m34 = -0.002f;
containerView.Layer.SublayerTransform = transform;
// Give both VCs the same start frame
RectangleF initialFrame = transitionContext.GetInitialFrameForViewController (fromViewController);
fromView.Frame = initialFrame;
toView.Frame = initialFrame;
float factor = Reverse ? 1f : -1f;
// flip the to VC halfway round - hiding it
toView.Layer.Transform = Rotate (factor * -(float)Math.PI / 2);
double duration = TransitionDuration (transitionContext);
NSAction animations = () => {
UIView.AddKeyframeWithRelativeStartTime (0.0, 0.5, () => {
fromView.Layer.Transform = Rotate (factor * (float)Math.PI / 2);
});
UIView.AddKeyframeWithRelativeStartTime (0.5, 0.5, () => {
toView.Layer.Transform = Rotate (0f);
});
};
UIView.AnimateKeyframes (duration, 0.0, UIViewKeyframeAnimationOptions.CalculationModeLinear, animations, (finished) => {
transitionContext.CompleteTransition (!transitionContext.TransitionWasCancelled);
});
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext)
{
var inView = transitionContext.ContainerView;
var toViewController = transitionContext.GetViewControllerForKey(UITransitionContext.ToViewControllerKey);
var fromViewController = transitionContext.GetViewControllerForKey(UITransitionContext.FromViewControllerKey);
inView.AddSubview(toViewController.View);
toViewController.View.Frame = CGRect.Empty;
var startingPoint = GetStartingPoint(fromViewController.InterfaceOrientation);
if (fromViewController.InterfaceOrientation == UIInterfaceOrientation.Portrait)
{
toViewController.View.Frame = new CGRect(startingPoint.X, startingPoint.Y,
fromViewController.View.Frame.Width,
fromViewController.View.Frame.Height);
}
else
{
toViewController.View.Frame = new CGRect(startingPoint.X, startingPoint.Y,
fromViewController.View.Frame.Height,
fromViewController.View.Frame.Width);
}
UIView.AnimateNotify(_transitionDuration,
() =>
{
var endingPoint = GetEndingPoint(fromViewController.InterfaceOrientation);
toViewController.View.Frame = new CGRect(endingPoint.X, endingPoint.Y, fromViewController.View.Frame.Width,
fromViewController.View.Frame.Height);
fromViewController.View.Alpha = 0.5f;
},
(finished) => transitionContext.CompleteTransition(true)
);
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext,
UIViewController fromViewController, UIViewController toViewController,
UIView fromView, UIView toView)
{
UIView containerView = transitionContext.ContainerView;
containerView.AddSubview (toView);
containerView.SendSubviewToBack (toView);
double duration = TransitionDuration (transitionContext);
NSAction animation = () => {
fromView.Alpha = 0f;
};
UIView.Animate (duration, animation, () => {
if (transitionContext.TransitionWasCancelled) {
fromView.Alpha = 1f;
} else {
fromView.RemoveFromSuperview ();
fromView.Alpha = 1f;
}
transitionContext.CompleteTransition (!transitionContext.TransitionWasCancelled);
});
}
public double TransitionDuration (IUIViewControllerContextTransitioning transitionContext)
{
return 1.0f;
}
protected void StartInteractiveTransition(IUIViewControllerContextTransitioning transitionCtx)
{
SlidingViewController sliding = this.SlidingViewController;
UIViewController topController = sliding.GetViewControllerForKey(ECSlidingViewController.ECTransitionContextTopViewControllerKey);
// Disable user interaction of top controller's view
topController.View.UserInteractionEnabled = false;
if (_interactive)
{
UIViewController underController = sliding.GetViewControllerForKey(ECSlidingViewController.ECTransitionContextUnderLeftControllerKey);
RectangleF underViewInitialFrame = sliding.GetInitialFrameForViewController(underController);
RectangleF underViewFinalFrame = sliding.GetFinalFrameForViewController(underController);
// Update frame of under controller view
underController.View.Frame = underViewInitialFrame.IsEmpty ? underViewFinalFrame : underViewInitialFrame;
// Insert under view below top view
sliding.ContainerView.InsertSubviewBelow(underController.View, topController.View);
// Do some calculation
float finalLeftEdge = sliding.GetFinalFrameForViewController(topController).GetMinX();
float initialLeftEdge = sliding.GetInitialFrameForViewController(topController).GetMinX();
_fullWidth = Math.Abs(finalLeftEdge - initialLeftEdge);
_positiveLeftToRight = initialLeftEdge < finalLeftEdge;
}
else
{
this.AnimationController.AnimateTransition(transitionCtx);
}
// Enable user interaction of top controller's view
topController.View.UserInteractionEnabled = true;
}
//Called when a Push/Pop/Swipe back happens
public override void StartInteractiveTransition(IUIViewControllerContextTransitioning transitionContext)
{
context = transitionContext;
lastPercent = 1f;
animationStarted = true;
var inView = transitionContext.ContainerView;
var fromVC = transitionContext.GetViewControllerForKey (UITransitionContext.FromViewControllerKey);
var fromView = fromVC.View;
var toVC = transitionContext.GetViewControllerForKey (UITransitionContext.ToViewControllerKey);
var toView = toVC.View;
var frame = toView.Frame;
if (reverse) {
inView.InsertSubviewBelow (toView, fromVC.View);
toView.Frame = new CGRect (-inView.Frame.Width, 0, frame.Width, frame.Height);
} else {
inView.AddSubview (toView);
toView.Frame = new CGRect (inView.Frame.Width, 0, frame.Width, frame.Height);
}
UIView.Animate (Duration,0,UIViewAnimationOptions.AllowUserInteraction, () => {
if (reverse) {
fromView.Frame = new CGRect (inView.Frame.Width, 0, frame.Width, frame.Height);
toView.Frame = new CGRect (0, 0, frame.Width, frame.Height);
} else {
fromView.Frame = new CGRect (-inView.Frame.Width, 0, frame.Width, frame.Height);
toView.Frame = new CGRect (0, 0, frame.Width, frame.Height);
}
}, () => {
if (animationStarted){
context.FinishInteractiveTransition();
context.CompleteTransition (true);
context=null;
}
animationStarted=false;
});
}
/// <summary>
/// Transitions the duration of the transition.
/// </summary>
/// <returns>The duration.</returns>
/// <param name="transitionContext">Transition context.</param>
public override double TransitionDuration (IUIViewControllerContextTransitioning transitionContext) {
return 0.35;
}
public override void AnimateTransition(IUIViewControllerContextTransitioning transitionContext,
UIViewController fromViewController, UIViewController toViewController,
UIView fromView, UIView toView)
{
// Add the toView to the container
UIView containerView = transitionContext.ContainerView;
toView.Center = new CGPoint (1000f, 0f);
containerView.AddSubview (toView);
// Add a perspective transform
var transform = CATransform3D.Identity;
transform.m34 = -0.005f;
containerView.Layer.SublayerTransform = transform;
CGSize size = toView.Frame.Size;
float foldWidth = (float)(size.Width * 0.5f / Folds);
// arrays that hold the snapshot views
var fromViewFolds = new List<UIView> ();
var toViewFolds = new List<UIView> ();
for (int i = 0; i < Folds; i++) {
float offset = i * foldWidth * 2;
// the left and right side of the fold for the from- view, with identity transform and 0.0 alpha
// on the shadow, with each view at its initial position
UIView leftFromViewFold = CreateSnapshot (fromView, false, offset, true);
leftFromViewFold.Layer.Position = new CGPoint (offset, size.Height / 2f);
fromViewFolds.Add (leftFromViewFold);
leftFromViewFold.Subviews [1].Alpha = 0f;
UIView rightFromViewFold = CreateSnapshot (fromView, false, offset + foldWidth, false);
rightFromViewFold.Layer.Position = new CGPoint (offset + foldWidth * 2f, size.Height / 2f);
fromViewFolds.Add (rightFromViewFold);
rightFromViewFold.Subviews [1].Alpha = 0f;
// the left and right side of the fold for the to- view, with a 90-degree transform and 1.0 alpha
// on the shadow, with each view positioned at the very edge of the screen
UIView leftToViewFold = CreateSnapshot (toView, true, offset, true);
leftToViewFold.Layer.Position = new CGPoint (Reverse ? size.Width : 0f, size.Height / 2f);
leftToViewFold.Layer.Transform = CATransform3D.MakeRotation ((float)Math.PI / 2f, 0f, 1f, 0f);
toViewFolds.Add (leftToViewFold);
UIView rightToViewFold = CreateSnapshot (toView, true, offset + foldWidth, false);
rightToViewFold.Layer.Position = new CGPoint (Reverse ? size.Width : 0f, size.Height / 2f);
rightToViewFold.Layer.Transform = CATransform3D.MakeRotation (-(float)Math.PI / 2f, 0f, 1f, 0f);
toViewFolds.Add (rightToViewFold);
}
//move the from- view off screen
fromView.Center = new CGPoint (1000f, 0f);
// create the animation
double duration = TransitionDuration (transitionContext);
Action animation = () => {
for (int i = 0; i < Folds; i++) {
float offset = i * foldWidth * 2;
// the left and right side of the fold for the from- view, with 90 degree transform and 1.0 alpha
// on the shadow, with each view positioned at the edge of thw screen.
UIView leftFromView = fromViewFolds [i * 2];
leftFromView.Layer.Position = new CGPoint (Reverse ? 0f : size.Width, size.Height / 2f);
leftFromView.Layer.Transform = transform.Rotate ((float)Math.PI / 2f, 0f, 1f, 0f);
leftFromView.Subviews [1].Alpha = 1f;
UIView rightFromView = fromViewFolds [i * 2 + 1];
rightFromView.Layer.Position = new CGPoint (Reverse ? 0f : size.Width, size.Height / 2f);
rightFromView.Layer.Transform = transform.Rotate (-(float)Math.PI / 2f, 0f, 1f, 0f);
rightFromView.Subviews [1].Alpha = 1f;
// the left and right side of the fold for the to- view, with identity transform and 0.0 alpha
// on the shadow, with each view at its final position
UIView leftToView = toViewFolds [i * 2];
leftToView.Layer.Position = new CGPoint (offset, size.Height / 2f);
leftToView.Layer.Transform = CATransform3D.Identity;
leftToView.Subviews [1].Alpha = 0f;
UIView rightToView = toViewFolds [i * 2 + 1];
rightToView.Layer.Position = new CGPoint (offset + foldWidth * 2f, size.Height / 2f);
rightToView.Layer.Transform = CATransform3D.Identity;
rightToView.Subviews [1].Alpha = 0f;
}
};
UIView.Animate (duration, animation, () => {
// remove the snapshot views
foreach (UIView view in toViewFolds) {
view.RemoveFromSuperview ();
}
foreach (UIView view in fromViewFolds) {
view.RemoveFromSuperview ();
}
// restore the to- and from- to the initial location
toView.Frame = containerView.Bounds;
fromView.Frame = containerView.Bounds;
transitionContext.CompleteTransition (!transitionContext.TransitionWasCancelled);
});
}
public AnimDoneDelegate(IUIViewControllerContextTransitioning transitionContext){
_transitionContext = transitionContext;
}
public override void AnimateTransition (IUIViewControllerContextTransitioning transitionContext)
{
var toController = (DurationChangeViewController)transitionContext.GetViewControllerForKey (UITransitionContext.ToViewControllerKey);
var fromController = transitionContext.GetViewControllerForKey (UITransitionContext.FromViewControllerKey);
var container = transitionContext.ContainerView;
var imageView = (UIImageView)toController.View;
imageView.Image = GetBlurred (fromController.View);
toController.View.Frame = transitionContext.GetFinalFrameForViewController (toController);
toController.View.Alpha = 0;
container.InsertSubviewAbove (toController.View, fromController.View);
UIView.Animate (TransitionDuration (transitionContext)
,() => toController.View.Alpha = 1
,() => {
if (!transitionContext.TransitionWasCancelled) {
fromController.View.RemoveFromSuperview ();
}
transitionContext.CompleteTransition (!transitionContext.TransitionWasCancelled);
});
}
public override void AnimateTransition (IUIViewControllerContextTransitioning transitionContext)
{
//1
_transitionContext = transitionContext;
//2
var containerView = _transitionContext.ContainerView;
var fromViewController = _transitionContext.GetViewControllerForKey (UITransitionContext.FromViewControllerKey) as OnboardingController;
var toViewController = _transitionContext.GetViewControllerForKey (UITransitionContext.ToViewControllerKey) as ContainerController;
var fromRect = fromViewController.NavigationRect;
var toRect = new CGRect (-toViewController.View.Bounds.Width / 2, -toViewController.View.Bounds.Height / 2, toViewController.View.Bounds.Width * 2, toViewController.View.Bounds.Height * 2);
//3
containerView.AddSubview(toViewController.View);
//4
var circleMaskPathInitial = UIBezierPath.FromRoundedRect(fromRect, fromRect.Height/2);
var circleMaskPathFinal = UIBezierPath.FromRoundedRect (toRect, toRect.Height/2);
//5
var maskLayer = new CAShapeLayer();
maskLayer.Path = circleMaskPathFinal.CGPath;
toViewController.View.Layer.Mask = maskLayer;
//6
var maskLayerAnimation = CABasicAnimation.FromKeyPath("path");
maskLayerAnimation.SetFrom(circleMaskPathInitial.CGPath);
maskLayerAnimation.SetTo(circleMaskPathFinal.CGPath);
maskLayerAnimation.Duration = TransitionDuration(_transitionContext);
maskLayerAnimation.TimingFunction = CAMediaTimingFunction.FromName (CAMediaTimingFunction.EaseIn);
maskLayerAnimation.AnimationStopped += (object sender, CAAnimationStateEventArgs e) => {
if(_transitionContext != null) {
_transitionContext.CompleteTransition (!_transitionContext.TransitionWasCancelled);
var controller = _transitionContext.GetViewControllerForKey (UITransitionContext.FromViewControllerKey);
if(controller != null) {
controller.View.Layer.Mask = null;
}
}
};
maskLayer.AddAnimation (maskLayerAnimation, "path");
}
public void AnimateTransition (IUIViewControllerContextTransitioning transitionContext)
{
}
public virtual void AnimateTransition(IUIViewControllerContextTransitioning transitionContext,
UIViewController fromViewController, UIViewController toViewController,
UIView fromView, UIView toView)
{
}
public override void AnimateTransition (IUIViewControllerContextTransitioning transitionContext)
{
var toController = transitionContext.GetViewControllerForKey (UITransitionContext.ToViewControllerKey);
var fromController = (DurationChangeViewController)transitionContext.GetViewControllerForKey (UITransitionContext.FromViewControllerKey);
var container = transitionContext.ContainerView;
toController.View.Frame = transitionContext.GetFinalFrameForViewController (toController);
container.InsertSubviewBelow (toController.View, fromController.View);
fromController.View.Alpha = 1;
UIView.Animate (
TransitionDuration (transitionContext),
delegate {
fromController.View.Alpha = 0;
},
delegate {
if (!transitionContext.TransitionWasCancelled) {
fromController.View.RemoveFromSuperview ();
}
transitionContext.CompleteTransition (!transitionContext.TransitionWasCancelled);
}
);
}
