public override UICollectionViewLayoutAttributes[] LayoutAttributesForElementsInRect(CGRect rect)
{
var array = base.LayoutAttributesForElementsInRect(rect);
var visibleRect = new CGRect(CollectionView.ContentOffset, CollectionView.Bounds.Size);
int collectionViewCount = (int)this.CollectionView.NumberOfItemsInSection(0);
foreach (var attributes in array)
{
if (collectionViewCount == 1)
{
float zoom = 1 + ZOOM_FACTOR;
attributes.Transform3D = CATransform3D.MakeScale(zoom, zoom, 1.0f);
attributes.ZIndex = 1;
}
if (attributes.Frame.IntersectsWith(rect) && (collectionViewCount != 2 && collectionViewCount != 3))
{
float distance = (float)(visibleRect.GetMidX() - attributes.Center.X);
float normalizedDistance = distance / ACTIVE_DISTANCE;
if (Math.Abs(distance) < ACTIVE_DISTANCE)
{
float zoom = 1 + ZOOM_FACTOR * (1 - Math.Abs(normalizedDistance));
attributes.Transform3D = CATransform3D.MakeScale(zoom, zoom, 1.0f);
attributes.ZIndex = 1;
}
}
}
return(array);
}
/// <summary>
/// Show the Modal Picker.
/// </summary>
/// <param name="title">Window Title.</param>
/// <param name="doneButtonTitle">Done button title.</param>
/// <param name="cancelButtonTitle">Cancel button title.</param>
/// <param name="callback">Callback that return selected value in Picker.</param>
public void Show(string title, string doneButtonTitle, string cancelButtonTitle, Action <K> callback)
{
this.OnValueSelected = callback;
this.titleLabel.Text = title;
this.doneButton?.SetTitle(doneButtonTitle, UIControlState.Normal);
if (this.showCancelButton)
{
this.cancelButton.SetTitle(cancelButtonTitle, UIControlState.Normal);
}
var del = UIApplication.SharedApplication.Delegate;
var window = del.GetWindow();
window.AddSubview(this);
window.BringSubviewToFront(this);
window.EndEditing(true);
NSNotificationCenter.DefaultCenter.AddObserver(new NSString("UIDeviceOrientationDidChangeNotification"), (NSNotification obj) => {
CGSize screenSize = this.CountScreenSize();
CGSize dialogSize = new CGSize(300, 230 + kDefaultButtonHeight + kDefaultButtonSpacerHeight);
this.Frame = new CGRect(0, 0, screenSize.Width, screenSize.Height);
dialogView.Frame = new CGRect((screenSize.Width - dialogSize.Width) / 2.0, (screenSize.Height - dialogSize.Height) / 2.0, dialogSize.Width, dialogSize.Height);
});
Animate(0.2, 0.0, UIViewAnimationOptions.CurveEaseInOut, () =>
{
this.BackgroundColor = UIColor.FromRGBA(0, 0, 0, (nfloat)0.4);
this.dialogView.Layer.Opacity = 1;
this.dialogView.Layer.Transform = CATransform3D.MakeScale(1, 1, 1);
}, () => { });
}
public void HideAnimated(bool animated, Action completion)
{
CATransaction.Begin();
{
CATransaction.CompletionBlock = () =>
{
completion?.Invoke();
Layer.Transform = CATransform3D.Identity;
};
if (animated)
{
Layer.AnimateKey(new NSString("transform"), null,
NSValue.FromCATransform3D(CATransform3D.MakeScale(0.5f, 0.5f, 1)),
(animation) =>
{
animation.Duration = 0.55;
animation.TimingFunction = CAMediaTimingFunction.FromControlPoints(0.1f, -2, 0.3f, 3);
});
Layer.AnimateKey(new NSString("opacity"), null,
NSObject.FromObject(0.0), (animation) =>
{
animation.Duration = 0.75;
});
}
else // not animated - just set opacity to 0.0
{
Layer.Opacity = 0.0f;
}
}
CATransaction.Commit();
}
public void animation2(Button button)
{
var scaleAnimation = CABasicAnimation.FromKeyPath("transform");
scaleAnimation.From = NSValue.FromCATransform3D(CATransform3D.MakeScale(1, 1, 1));
scaleAnimation.To = NSValue.FromCATransform3D(CATransform3D.MakeScale(2, 2, 1));
var opacityAnimation = CABasicAnimation.FromKeyPath("opacity");
opacityAnimation.From = NSNumber.FromFloat(0.25f);
opacityAnimation.To = NSNumber.FromFloat(0.0f);
var rippleAnimationGroup = new CAAnimationGroup
{
Duration = 2.0f,
TimeOffset = -0.25f,
RemovedOnCompletion = true,
FillMode = CAFillMode.Both,
TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseOut),
Animations = new CAAnimation[] { scaleAnimation, opacityAnimation }
};
rippleCircleLayer.AddAnimation(rippleAnimationGroup, "rippleMyAnimations");
}
/// <summary>
/// Close the Modal Window and removes it from Super View
/// </summary>
public void Close()
{
NSNotificationCenter.DefaultCenter.RemoveObserver(this, "UIDeviceOrientationDidChangeNotification", null);
CATransform3D currentTransform = this.dialogView.Layer.Transform;
nfloat startRotation = nfloat.Parse(this.ValueForKeyPath(new NSString("layer.transform.rotation.z")).ToString());
CATransform3D rotation = CATransform3D.MakeRotation((nfloat)(-startRotation + Math.PI * 270 / 180), 0, 0, 0);
CATransform3D scale = CATransform3D.MakeScale((nfloat)1, (nfloat)1, 1);
this.dialogView.Layer.Transform = currentTransform.Concat(scale);
this.dialogView.Layer.Opacity = 1;
UIView.Animate(0.2, 0, UIViewAnimationOptions.TransitionNone, () =>
{
this.BackgroundColor = UIColor.FromRGBA(0, 0, 0, 0);
this.dialogView.Layer.Transform = currentTransform.Concat(CATransform3D.MakeScale((nfloat)0.6, (nfloat)0.6, 1));
this.dialogView.Layer.Opacity = 0;
}, () =>
{
foreach (UIView v in this.Subviews)
{
v.RemoveFromSuperview();
}
this.RemoveFromSuperview();
this.SetupViews();
});
}
void floatLabelToTop(bool changeColor = true)
{
CATransaction.Begin();
CATransaction.CompletionBlock = () => {
if (changeColor)
{
this.label.TextColor = this.kDefaultActiveColor;
}
};
var anim2 = CABasicAnimation.FromKeyPath("transform");
var fromTransform = CATransform3D.MakeScale(1, 1, 1);
var toTransform = CATransform3D.MakeScale(0.5f, 0.5f, 1);
toTransform = toTransform.Translate(-this.label.Frame.Width / 2, -this.label.Frame.Height, 0);
anim2.From = NSValue.FromCATransform3D(fromTransform);
anim2.To = NSValue.FromCATransform3D(toTransform);
anim2.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseOut);
var animGroup = new CAAnimationGroup();
animGroup.Animations = new CAAnimation[] { anim2 };
animGroup.Duration = 0.3;
animGroup.FillMode = CAFillMode.Forwards;
animGroup.RemovedOnCompletion = false;
this.label.Layer.AddAnimation(animGroup, "_floatingLabel");
this.ClipsToBounds = false;
CATransaction.Commit();
}
private UICollectionViewLayoutAttributes TransformLayoutAttributes(UICollectionViewLayoutAttributes attributes)
{
if (CollectionView == null)
{
return(attributes);
}
var isHorizontal = ScrollDirection == UICollectionViewScrollDirection.Horizontal;
var collectionCenter =
isHorizontal ? CollectionView.Frame.Size.Width / 2 : CollectionView.Frame.Size.Height / 2;
var offset = isHorizontal ? CollectionView.ContentOffset.X : CollectionView.ContentOffset.Y;
var normalizedCenter = (isHorizontal ? attributes.Center.X : attributes.Center.Y) - offset;
var maxDistance = (isHorizontal ? ItemSize.Width : ItemSize.Height) + MinimumLineSpacing;
var distance = Math.Min(Math.Abs(collectionCenter - normalizedCenter), maxDistance);
var ratio = (float)((maxDistance - distance) / maxDistance);
var alpha = ratio * (1 - SideItemAlpha) + SideItemAlpha;
var scale = ratio * (1 - SideItemScale) + SideItemScale;
var shift = (1 - ratio) * SideItemShift;
attributes.Alpha = alpha;
attributes.Transform3D = CATransform3D.MakeScale(scale, scale, 1);
attributes.ZIndex = (int)(alpha * 10);
attributes.Center = isHorizontal
? new CGPoint(attributes.Center.X, attributes.Center.Y + shift)
: new CGPoint(attributes.Center.X + shift, attributes.Center.Y);
return(attributes);
}
/* Dialog close animation then cleaning and removing the view from the parent */
private void Close()
{
var currentTransform = _dialogView.Layer.Transform;
var startRotation = (this.ValueForKeyPath(new NSString("layer.transform.rotation.z")) as NSNumber);
var startRotationAngle = startRotation.DoubleValue;
var rotation = CATransform3D.MakeRotation((nfloat)(-startRotationAngle + Math.PI * 270 / 180d), 0f, 0f, 0f);
_dialogView.Layer.Transform = rotation.Concat(CATransform3D.MakeScale(1, 1, 1));
_dialogView.Layer.Opacity = 1;
UIView.Animate(0.2, 0d, UIViewAnimationOptions.TransitionNone,
() =>
{
BackgroundColor = UIColor.FromRGBA(0, 0, 0, 0);
_dialogView.Layer.Transform = currentTransform.Concat(CATransform3D.MakeScale(0.6f, 0.6f, 1f));
_dialogView.Layer.Opacity = 0;
},
() =>
{
var subViews = this.Subviews.ToArray();
foreach (UIView v in subViews)
{
v.RemoveFromSuperview();
}
});
this.RemoveFromSuperview();
}
private void CreateCircleShape(CGRect imageFrame, CGPoint imgCenterPoint)
{
_circleShape = new CAShapeLayer()
{
Bounds = imageFrame,
Position = imgCenterPoint,
Path = UIBezierPath.FromOval(imageFrame).CGPath,
FillColor = _circleColor.CGColor,
Transform = CATransform3D.MakeScale(0.0F, 0.0F, 1.0F)
};
this.Layer.AddSublayer(_circleShape);
_circleMask = new CAShapeLayer()
{
Bounds = imageFrame,
Position = imgCenterPoint,
FillRule = CAShapeLayer.FillRuleEvenOdd
};
_circleShape.Mask = _circleMask;
var maskPath = UIBezierPath.FromRect(imageFrame);
maskPath.AddArc(imgCenterPoint, 0.1F, 0.0F, (System.nfloat)(Math.PI * 2F), true);
_circleMask.Path = maskPath.CGPath;
}
void animateLabelBack()
{
CATransaction.Begin();
CATransaction.CompletionBlock = () => {
this.label.TextColor = this.kDefaultInactiveColor;
};
var anim2 = CABasicAnimation.FromKeyPath("transform");
var fromTransform = CATransform3D.MakeScale(0.5f, 0.5f, 1);
fromTransform = fromTransform.Translate(-this.label.Frame.Width / 2, -this.label.Frame.Height, 0);
var toTransform = CATransform3D.MakeScale(1, 1, 1);
anim2.From = NSValue.FromCATransform3D(fromTransform);
anim2.To = NSValue.FromCATransform3D(toTransform);
anim2.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseOut);
var animGroup = new CAAnimationGroup();
animGroup.Animations = new CAAnimation[] {
anim2
};
animGroup.Duration = 0.3;
animGroup.FillMode = CAFillMode.Forwards;
animGroup.RemovedOnCompletion = false;
this.label.Layer.AddAnimation(animGroup, "_animateLabelBack");
CATransaction.Commit();
}
protected void FloatLabelBack()
{
CATransaction.Begin();
CATransaction.CompletionBlock = () =>
{
Label.TextColor = LabelInactiveTextColor;
};
var animation = CABasicAnimation.FromKeyPath("transform");
var fromTransform = CATransform3D.MakeScale(.5f, .5f, 1);
var toTransform = CATransform3D.MakeScale(1, 1, 1);
fromTransform = fromTransform.Translate(-Label.Frame.Width * 0.5f, -Label.Frame.Height, 0);
animation.From = NSValue.FromCATransform3D(fromTransform);
animation.To = NSValue.FromCATransform3D(toTransform);
animation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseOut);
var animationGroup = new CAAnimationGroup
{
Animations = new CAAnimation[]
{
animation
},
Duration = .3f,
FillMode = CAFillMode.Forwards,
RemovedOnCompletion = false
};
Label.Layer.AddAnimation(animationGroup, "_floatLabelBack");
ClipsToBounds = false;
CATransaction.Commit();
}
private UIViewController ChangeRootViewController(UIViewController viewController)
{
if (Window.RootViewController == null)
{
Window.RootViewController = viewController;
return(null);
}
var oldRootController = Window.RootViewController;
var snapShot = Window.SnapshotView(true);
viewController.View.AddSubview(snapShot);
Window.RootViewController = viewController;
UIView.Animate(0.5, () =>
{
snapShot.Layer.Opacity = 0;
snapShot.Layer.Transform = CATransform3D.MakeScale(1.5f, 1.5f, 1.5f);
},
() =>
{
snapShot.RemoveFromSuperview();
});
return(oldRootController);
}
public void NavigateToUnsafe(Page page, object parameter)
{
System.Diagnostics.Debug.WriteLine($"Navigate to {page.ToString()} in thread {Thread.CurrentThread.ManagedThreadId.ToString()}");
lock (pagesByKey)
{
Type type;
if (pagesByKey.ContainsKey(page))
{
type = pagesByKey[page].Type;
}
else
{
throw new InvalidOperationException($"Unable to navigate: page {page.ToString()} not found");
}
if (!CrossConnectivity.Current.IsConnected)
{
var dialogService = ServiceLocator.Current.GetInstance <IDialogService>();
dialogService.ShowMessage(LocalizedStrings.ConnectionError, LocalizedStrings.Error);
return;
}
if (pagesByKey[page].RequireAuth)
{
var accountManager = ServiceLocator.Current.GetInstance <IAccountManager>();
if (!accountManager.IsAuthorized())
{
NavigateTo(Page.SignInPage);
return;
}
}
UIViewController uIViewController;
uIViewController = CreateController(page, parameter);
if (pagesByKey[page].IsRoot)
{
UIView snapShot = AppDelegate.Instance.Window.SnapshotView(false);
AppDelegate.Instance.Window.RootViewController = new TransparentNavigationController(uIViewController);
if (snapShot != null)
{
uIViewController.View.AddSubview(snapShot);
UIView.AnimateNotify(0.3f, () =>
{
snapShot.Layer.Opacity = 0;
snapShot.Layer.Transform = CATransform3D.MakeScale(1.5f, 1.5f, 1.5f);
}, (finished) => snapShot.RemoveFromSuperview());
}
}
else if (NavigationController.TopViewController == null || !NavigationController.Contains(uIViewController))
{
this.NavigationController.PushViewController(uIViewController, true);
}
}
}
public void applyPinchToLayoutAttributes(UICollectionViewLayoutAttributes layoutAttributes)
{
if (layoutAttributes.IndexPath.Equals(pinchedCellPath))
{
layoutAttributes.Transform3D = CATransform3D.MakeScale(pinchedCellScale, pinchedCellScale, 1.0f);
layoutAttributes.Center = pinchedCellCenter;
layoutAttributes.ZIndex = 1;
}
}
// return layout attributes for a a specific item
public override UICollectionViewLayoutAttributes LayoutAttributesForItem(NSIndexPath path)
{
UICollectionViewLayoutAttributes attributes = UICollectionViewLayoutAttributes.CreateForCell(path);
attributes.Size = ItemSize;
attributes.Center = new PointF(center.X + radius * (float)Math.Cos(2 * path.Row * Math.PI / count),
center.Y + radius * (float)Math.Sin(2 * path.Row * Math.PI / count));
attributes.Transform3D = CATransform3D.MakeScale(0.5f, 0.5f, 1.0f);
return(attributes);
}
public override UICollectionViewLayoutAttributes FinalLayoutAttributesForDeletedItem(NSIndexPath itemIndexPath)
{
var attributes = LayoutAttributesForItem(itemIndexPath);
attributes.Alpha = 0;
attributes.Center = new PointF(center.X, center.Y);
attributes.Transform3D = CATransform3D.MakeScale(0.1f, 0.1f, 1);
return(attributes);
}
public async Task ScaleInitializeCorrectly(float scale)
{
var view = new TStub()
{
Scale = scale,
};
var transform = await GetLayerTransformAsync(view);
var expected = CATransform3D.MakeScale(scale, scale, scale);
expected.AssertEqual(transform);
}
public void BounceTimeLabel()
{
// Create key frame animations
CAKeyFrameAnimation bounce = CAKeyFrameAnimation.GetFromKeyPath("transform");
CAKeyFrameAnimation fade = CAKeyFrameAnimation.GetFromKeyPath("opacity");
// Set the event handler for when the animations stop
bounce.AnimationStopped += AnimationStopped;
fade.AnimationStopped += AnimationStopped;
// Create the values the bounce animation will pass through
CATransform3D forward = CATransform3D.MakeScale(1.3f, 1.3f, 1.0f);
CATransform3D back = CATransform3D.MakeScale(0.7f, 0.7f, 1.0f);
CATransform3D forward2 = CATransform3D.MakeScale(1.2f, 1.2f, 1.0f);
CATransform3D back2 = CATransform3D.MakeScale(0.9f, 0.9f, 1.0f);
// Create the values the opacity animation will use to transition between
NSNumber opacity0 = NSNumber.FromFloat(0.0f);
NSNumber opacity1 = NSNumber.FromFloat(1.0f);
bounce.Values = new NSObject[] {
// Start from the default values set in the XIB
NSValue.FromCATransform3D(CATransform3D.Identity),
NSValue.FromCATransform3D(forward),
NSValue.FromCATransform3D(back),
NSValue.FromCATransform3D(forward2),
NSValue.FromCATransform3D(back2),
// Return to the default values set in the XIB
NSValue.FromCATransform3D(CATransform3D.Identity)
};
fade.Values = new NSObject[] {
// Get the starting value form the modal layer
NSNumber.FromFloat(lblTime.Layer.Opacity),
opacity1,
opacity0,
opacity1,
opacity0,
// Get the ending value from the modal layer
NSNumber.FromFloat(lblTime.Layer.Opacity)
};
// Set the animation duration
bounce.Duration = 5.0f;
fade.Duration = 5.0f;
// Animate the CALayer of the time label (lblTime)
lblTime.Layer.AddAnimation(bounce, "bounceAnimation");
lblTime.Layer.AddAnimation(fade, "fadeAnimation");
}
void animationZoom(int i, float offset)
{
var transform = CATransform3D.Identity;
var tmpOffset = offset;
if (tmpOffset > 1.0)
{
tmpOffset = (float)(1.0 + (1.0 - tmpOffset));
}
var scale = (float)(1.0 - tmpOffset);
//TODO: Check --> CATransform3DScale(transform, 1 - scale, 1 - scale, 1.0);
transform = CATransform3D.MakeScale(1 - scale, 1 - scale, (System.nfloat) 1.0);
applyTransform(i, transform);
}
private void CreateCircleTransformAnimation(CGRect imageFrame)
{
_circleTransform.Duration = 0.333; // 0.0333 * 10
_circleTransform.Values = new NSObject[8] {
NSValue.FromCATransform3D(CATransform3D.MakeScale(0.0F, 0.0F, 1.0F)), // 0/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(0.5F, 0.5F, 1.0F)), // 1/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.0F, 1.0F, 1.0F)), // 2/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.2F, 1.0F, 1.0F)), // 3/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.3F, 1.3F, 1.0F)), // 4/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.37F, 1.37F, 1.0F)), // 5/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.4F, 1.4F, 1.0F)), // 6/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.4F, 1.4F, 1.0F)) // 10/10
};
_circleTransform.KeyTimes = new NSNumber[8] {
NSNumber.FromDouble(0.0), // 0/10
NSNumber.FromDouble(0.1), // 1/10
NSNumber.FromDouble(0.2), // 2/10
NSNumber.FromDouble(0.3), // 3/10
NSNumber.FromDouble(0.4), // 4/10
NSNumber.FromDouble(0.5), // 5/10
NSNumber.FromDouble(0.6), // 6/10
NSNumber.FromDouble(1.0) // 10/10
};
_circleMaskTransform.Duration = 0.333; // 0.0333 * 10
_circleMaskTransform.Values = new NSObject[9] {
NSValue.FromCATransform3D(CATransform3D.Identity), // 0/10
NSValue.FromCATransform3D(CATransform3D.Identity), // 2/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(imageFrame.Width * 1.25F, imageFrame.Height * 1.25F, 1.0F)), // 3/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(imageFrame.Width * 2.688F, imageFrame.Height * 2.688F, 1.0F)), // 4/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(imageFrame.Width * 3.923F, imageFrame.Height * 3.923F, 1.0F)), // 5/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(imageFrame.Width * 4.375F, imageFrame.Height * 4.375F, 1.0F)), // 6/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(imageFrame.Width * 4.731F, imageFrame.Height * 4.731F, 1.0F)), // 7/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(imageFrame.Width * 5.0F, imageFrame.Height * 5.0F, 1.0F)), // 9/10
NSValue.FromCATransform3D(CATransform3D.MakeScale(imageFrame.Width * 5.0F, imageFrame.Height * 5.0F, 1.0F)) // 10/10
};
_circleMaskTransform.KeyTimes = new NSNumber[9] {
NSNumber.FromDouble(0.0), // 0/10
NSNumber.FromDouble(0.2), // 2/10
NSNumber.FromDouble(0.3), // 3/10
NSNumber.FromDouble(0.4), // 4/10
NSNumber.FromDouble(0.5), // 5/10
NSNumber.FromDouble(0.6), // 6/10
NSNumber.FromDouble(0.7), // 7/10
NSNumber.FromDouble(0.9), // 9/10
NSNumber.FromDouble(1.0) // 10/10
};
}
public void Show(string title, string doneButtonTitle, string cancelButtonTitle, UIDatePickerMode datePickerMode, Action <DateTime> callback, DateTime defaultDate, DateTime?maximumDate = null, DateTime?minimumDate = null, Action cancelCallback = null)
{
if (_isDialogShown)
{
return; // if already dialog is shown, do not open another dialog
}
_isDialogShown = true; // update the flag
_title = title;
_doneButtonTitle = doneButtonTitle;
_cancelButtonTitle = cancelButtonTitle;
_datePickerMode = datePickerMode;
_callback = callback;
_defaultDate = defaultDate;
_maximumDate = maximumDate;
_minimumDate = minimumDate;
_cancelCallback = cancelCallback;
_dialogView = createContainerView();
_dialogView.Layer.ShouldRasterize = true;
_dialogView.Layer.RasterizationScale = UIScreen.MainScreen.Scale;
Layer.ShouldRasterize = true;
Layer.RasterizationScale = UIScreen.MainScreen.Scale;
_dialogView.Layer.Opacity = 0.5f;
_dialogView.Layer.Transform = CATransform3D.MakeScale(1.3f, 1.3f, 1);
BackgroundColor = UIColor.FromRGBA(0, 0, 0, 0);
AddSubview(_dialogView);
var widthHeight = Frame.Width > Frame.Height ? Frame.Width : Frame.Height; // check if width is greator than width, return whever is greator
Frame = new CGRect(0, 0, widthHeight, widthHeight); // create overlay with max value from height and width so that on rotaion whole screen is covered
UIApplication.SharedApplication.Windows[0].AddSubview(this);
UIView.Animate(0.2, 0d, UIViewAnimationOptions.CurveEaseInOut, () =>
{
BackgroundColor = UIColor.Black.ColorWithAlpha(0.4f);
_dialogView.Layer.Opacity = 1;
_dialogView.Layer.Transform = CATransform3D.MakeScale(1, 1, 1);
}, () =>
{
});
}
public override void LayoutSubviews()
{
base.LayoutSubviews();
var size = (nfloat)Math.Min(Frame.Width, Frame.Height);
var scale = size / pathSize;
foreach (var layer in new[] { circle, check, shape })
{
if (layer != null)
{
layer.Position = new CGPoint(Frame.Width / 2f, Frame.Height / 2f);
layer.Transform = CATransform3D.MakeScale(scale, scale, 1);
}
}
}
/* Animation engine to create a fill animation.
* @param bounces The number of bounces for the animation.
* @param amplitue How far does the animation bounce.
* @param reserve Flag to track if the animation should fill or empty the layer.
* @return Returns the CAKeyframeAnimation object.
*/
public CAKeyFrameAnimation FillAnimationWithBounces(int bounces, float amplitude, bool reverse)
{
List <NSObject> values = new List <NSObject>();
List <NSNumber> keyTimes = new List <NSNumber>();
if (reverse)
{
values.Add(NSValue.FromCATransform3D(CATransform3D.MakeScale(1, 1, 1)));
}
else
{
values.Add(NSValue.FromCATransform3D(CATransform3D.MakeScale(0, 0, 0)));
}
keyTimes.Add(new NSNumber(0));
for (int i = 1; i <= bounces; i++)
{
var scale = (i % 2) > 0 ? (1 + amplitude / i) : (1 - amplitude / i);
var time = (float)(i * (1.0 / (bounces + 1)));
values.Add(NSValue.FromCATransform3D(CATransform3D.MakeScale(scale, scale, scale)));
keyTimes.Add(new NSNumber(time));
}
if (reverse)
{
values.Add(NSValue.FromCATransform3D(CATransform3D.MakeScale(new nfloat(0.0001), new nfloat(0.0001), new nfloat(0.0001))));
}
else
{
values.Add(NSValue.FromCATransform3D(CATransform3D.MakeScale(1, 1, 1)));
}
keyTimes.Add(new NSNumber(1));
CAKeyFrameAnimation animation = CAKeyFrameAnimation.FromKeyPath("transform");
animation.Values = values.ToArray();
animation.KeyTimes = keyTimes.ToArray();
animation.RemovedOnCompletion = false;
animation.FillMode = CAFillMode.Forwards;
animation.Duration = AnimationDuration;
animation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseInEaseOut);
return(animation);
}
/* Dialog close animation then cleaning and removing the view from the parent */
private void Close()
{
var currentTransform = _dialogView.Layer.Transform;
if (ValueForKeyPath(new NSString(str: "layer.transform.rotation.z")) is NSNumber startRotation)
{
var startRotationAngle = startRotation.DoubleValue;
var rotation = CATransform3D.MakeRotation(
(nfloat)(-startRotationAngle + Math.PI * 270 / 180d),
x: 0f,
y: 0f,
z: 0f);
_dialogView.Layer.Transform = rotation.Concat(CATransform3D.MakeScale(sx: 1, sy: 1, sz: 1));
}
_dialogView.Layer.Opacity = 1;
Animate(
duration: 0.2,
delay: 0d,
UIViewAnimationOptions.TransitionNone,
animation: () =>
{
BackgroundColor = UIColor.FromRGBA(
red: 0,
green: 0,
blue: 0,
alpha: 0);
_dialogView.Layer.Transform = currentTransform.Concat(CATransform3D.MakeScale(sx: 0.6f, sy: 0.6f, sz: 1f));
_dialogView.Layer.Opacity = 0;
},
completion: () =>
{
var subViews = Subviews.ToArray();
foreach (var v in subViews)
{
v.RemoveFromSuperview();
}
});
RemoveFromSuperview();
}
void showInactiveBorder()
{
CATransaction.Begin();
CATransaction.CompletionBlock = () => {
this.activeBorder.Layer.Opacity = 0;
};
var anim2 = CABasicAnimation.FromKeyPath("transform");
var fromTransform = CATransform3D.MakeScale(1, 1, 1);
var toTransform = CATransform3D.MakeScale(0.01f, 1, 1);
anim2.From = NSValue.FromCATransform3D(fromTransform);
anim2.To = NSValue.FromCATransform3D(toTransform);
anim2.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseOut);
anim2.FillMode = CAFillMode.Forwards;
anim2.RemovedOnCompletion = false;
this.activeBorder.Layer.AddAnimation(anim2, "_activeBorder");
CATransaction.Commit();
}
public void BounceTimeLabel()
{
// Create a key frame animation
CAKeyFrameAnimation bounce = CAKeyFrameAnimation.GetFromKeyPath("transform");
CAKeyFrameAnimation fade = CAKeyFrameAnimation.GetFromKeyPath("opacity");
bounce.AnimationStopped += AnimationStopped;
fade.AnimationStopped += AnimationStopped;
// Create the values it will pass through
CATransform3D forward = CATransform3D.MakeScale(1.3f, 1.3f, 1.0f);
CATransform3D back = CATransform3D.MakeScale(0.7f, 0.7f, 1.0f);
CATransform3D forward2 = CATransform3D.MakeScale(1.2f, 1.2f, 1.0f);
CATransform3D back2 = CATransform3D.MakeScale(0.9f, 0.9f, 1.0f);
NSNumber opacity0 = NSNumber.FromFloat(0.0f);
NSNumber opacity1 = NSNumber.FromFloat(1.0f);
bounce.Values = new NSObject[] {
NSValue.FromCATransform3D(CATransform3D.Identity),
NSValue.FromCATransform3D(forward),
NSValue.FromCATransform3D(back),
NSValue.FromCATransform3D(forward2),
NSValue.FromCATransform3D(back2),
NSValue.FromCATransform3D(CATransform3D.Identity)
};
fade.Values = new NSObject[] {
NSNumber.FromFloat(lblTime.Layer.Opacity),
opacity1,
opacity0,
opacity1,
opacity0,
NSNumber.FromFloat(lblTime.Layer.Opacity)
};
// Set the duration
bounce.Duration = 5.0f;
fade.Duration = 5.0f;
// Animate the layer
lblTime.Layer.AddAnimation(bounce, "bounceAnimation");
lblTime.Layer.AddAnimation(fade, "fadeAnimation");
}
private void CreateImageTransformAnimation()
{
_imageTransform.Duration = 1.0; //0.0333 * 30
_imageTransform.Values = new NSObject[17] {
NSValue.FromCATransform3D(CATransform3D.MakeScale(0.0F, 0.0F, 1.0F)), // 0/30
NSValue.FromCATransform3D(CATransform3D.MakeScale(0.0F, 0.0F, 1.0F)), // 3/30
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.2F, 1.2F, 1.0F)), // 9/30
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.25F, 1.25F, 1.0F)), // 10/30
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.2F, 1.2F, 1.0F)), // 11/30
NSValue.FromCATransform3D(CATransform3D.MakeScale(0.9F, 0.9F, 1.0F)), // 14/30
NSValue.FromCATransform3D(CATransform3D.MakeScale(0.875F, 0.875F, 1.0F)), // 15/30
NSValue.FromCATransform3D(CATransform3D.MakeScale(0.875F, 0.875F, 1.0F)), // 16/30
NSValue.FromCATransform3D(CATransform3D.MakeScale(0.9F, 0.9F, 1.0F)), // 17/30
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.013F, 1.013F, 1.0F)), // 20/30
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.025F, 1.025F, 1.0F)), // 21/30
NSValue.FromCATransform3D(CATransform3D.MakeScale(1.013F, 1.013F, 1.0F)), // 22/30
NSValue.FromCATransform3D(CATransform3D.MakeScale(0.96F, 0.96F, 1.0F)), // 25/30
NSValue.FromCATransform3D(CATransform3D.MakeScale(0.95F, 0.95F, 1.0F)), // 26/30
NSValue.FromCATransform3D(CATransform3D.MakeScale(0.96F, 0.96F, 1.0F)), // 27/30
NSValue.FromCATransform3D(CATransform3D.MakeScale(0.99F, 0.99F, 1.0F)), // 29/30
NSValue.FromCATransform3D(CATransform3D.Identity) // 30/30
};
_imageTransform.KeyTimes = new NSNumber[17] {
NSNumber.FromDouble(0.0), // 0/30
NSNumber.FromDouble(0.1), // 3/30
NSNumber.FromDouble(0.3), // 9/30
NSNumber.FromDouble(0.333), // 10/30
NSNumber.FromDouble(0.367), // 11/30
NSNumber.FromDouble(0.467), // 14/30
NSNumber.FromDouble(0.5), // 15/30
NSNumber.FromDouble(0.533), // 16/30
NSNumber.FromDouble(0.567), // 17/30
NSNumber.FromDouble(0.667), // 20/30
NSNumber.FromDouble(0.7), // 21/30
NSNumber.FromDouble(0.733), // 22/30
NSNumber.FromDouble(0.833), // 25/30
NSNumber.FromDouble(0.867), // 26/30
NSNumber.FromDouble(0.9), // 27/30
NSNumber.FromDouble(0.967), // 29/30
NSNumber.FromDouble(1.0) // 30/30
};
}
public static UIView Pulse(this UIView view, float max)
{
var transformAnimation = CAKeyFrameAnimation.GetFromKeyPath("transform");
transformAnimation.CalculationMode = CAAnimation.AnimationPaced;
transformAnimation.FillMode = CAFillMode.Forwards;
transformAnimation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseOut);
// pathAnimation.RemovedOnCompletion = false;
transformAnimation.Duration = .2;
var transform = CATransform3D.MakeScale(max, max, 1);
transformAnimation.Values = new [] {
NSValue.FromCATransform3D(CATransform3D.Identity),
NSValue.FromCATransform3D(transform),
NSValue.FromCATransform3D(CATransform3D.Identity),
};
view.Layer.AddAnimation(transformAnimation, "pulse");
return(view);
}
public void UpdateItemsCount(int count)
{
ItemsCount = count;
var pathAnimation = CAKeyFrameAnimation.GetFromKeyPath("transform");
pathAnimation.CalculationMode = CAAnimation.AnimationPaced;
pathAnimation.FillMode = CAFillMode.Forwards;
pathAnimation.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.EaseOut);
// pathAnimation.RemovedOnCompletion = false;
pathAnimation.Duration = .2;
var transform = CATransform3D.MakeScale(2f, 2f, 1);
pathAnimation.Values = new [] {
NSValue.FromCATransform3D(CATransform3D.Identity),
NSValue.FromCATransform3D(transform),
NSValue.FromCATransform3D(CATransform3D.Identity),
};
badge.Layer.AddAnimation(pathAnimation, "pulse");
}
public override UICollectionViewLayoutAttributes[] LayoutAttributesForElementsInRect(RectangleF rect)
{
var array = base.LayoutAttributesForElementsInRect(rect);
var visibleRect = new RectangleF(CollectionView.ContentOffset, CollectionView.Bounds.Size);
foreach (var attributes in array)
{
if (attributes.Frame.IntersectsWith(rect))
{
float distance = visibleRect.GetMidX() - attributes.Center.X;
float normalizedDistance = distance / ACTIVE_DISTANCE;
if (Math.Abs(distance) < ACTIVE_DISTANCE)
{
float zoom = 1 + ZOOM_FACTOR * (1 - Math.Abs(normalizedDistance));
attributes.Transform3D = CATransform3D.MakeScale(zoom, zoom, 1.0f);
attributes.ZIndex = 1;
}
}
}
return(array);
}