void initButtons()
{
var moveBtn = UIButton.FromType(UIButtonType.RoundedRect);
moveBtn.Frame = new RectangleF(View.Bounds.Width - 240, 60, 200, 40);
moveBtn.SetTitle("Move X", UIControlState.Normal);
moveBtn.TouchUpInside += (object sender, EventArgs e) => {
if (logoView.Layer.PresentationLayer.Position.X < 400)
{
Rouse.To(logoView, 1, new RouseLib.KeyPaths {
PositionX = 400
}, Easing.EaseInExpo);
// Rouse.To (logoLayer, 1, new RouseLib.KeyPaths{ PositionX = 400}, Easing.EaseInExpo);
var localTime = CAAnimation.CurrentMediaTime();
var ka = new CAKeyFrameAnimation();
ka.KeyPath = "position.x";
ka.BeginTime = 0;
ka.Duration = 1;
ka.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.Linear);
ka.Values = KeyFrameUtils.CreateKeyValues(logoLayer.Position.X, 400f, RouseLib.Easing.EaseInExpo);
// var ka2 = new CAKeyFrameAnimation ();
// ka2.KeyPath = "opacity";
// ka2.BeginTime = 0;
// ka2.Duration = 1;
// ka2.TimingFunction = CAMediaTimingFunction.FromName (CAMediaTimingFunction.Linear);
// ka2.Values = KeyFrameUtils.CreateKeyValues (1, 0.2f, RouseLib.Easing.EaseInExpo);
//
var group = CAAnimationGroup.CreateAnimation();
group.BeginTime = localTime;
group.Duration = 1;
group.FillMode = CAFillMode.Forwards;
group.RemovedOnCompletion = false;
group.Animations = new CAAnimation[] { ka };
logoLayer.AddAnimation(group, null);
}
else
{
Rouse.To(logoView, 1, new RouseLib.KeyPaths {
PositionX = 70
}, Easing.EaseOutExpo);
// Rouse.To (logoLayer, 1, new RouseLib.KeyPaths{ PositionX = 70}, Easing.EaseOutExpo);
var localTime = CAAnimation.CurrentMediaTime();
var ka = new CAKeyFrameAnimation();
ka.KeyPath = "position.x";
ka.BeginTime = 0;
ka.Duration = 1;
ka.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.Linear);
ka.Values = KeyFrameUtils.CreateKeyValues(logoLayer.PresentationLayer.Position.X, 70f, RouseLib.Easing.EaseOutExpo);
// var ka2 = new CAKeyFrameAnimation ();
// ka2.KeyPath = "opacity";
// ka2.BeginTime = 0;
// ka2.Duration = 1;
// ka2.TimingFunction = CAMediaTimingFunction.FromName (CAMediaTimingFunction.Linear);
// ka2.Values = KeyFrameUtils.CreateKeyValues (1, 0.2f, RouseLib.Easing.EaseInExpo);
//
var group = CAAnimationGroup.CreateAnimation();
group.BeginTime = localTime;
group.Duration = 1;
group.FillMode = CAFillMode.Forwards;
group.RemovedOnCompletion = false;
group.Animations = new CAAnimation[] { ka };
logoLayer.AddAnimation(group, null);
}
};
View.AddSubview(moveBtn);
}
public static void To(object target,
float duration,
KeyPaths properties,
object options,
EasingFormula easing,
Action onComplete)
{
CALayer layer;
if (TypeUtils.IsUIView(target))
{
layer = (target as UIView).Layer;
}
else
{
layer = target as CALayer;
}
// layer.RemoveAllAnimations(); // kill any previous animations hanging around
if (easing == null)
{
easing = Easing.EaseInSine;
}
var animations = new List <CAKeyFrameAnimation>();
var propType = properties.GetType();
foreach (var field in propType.GetFields(BindingFlags.Instance |
BindingFlags.NonPublic |
BindingFlags.Public))
{
if (field.GetValue(properties) != null)
{
var ka = new CAKeyFrameAnimation();
ka.KeyPath = LayerUtils.GetKeyPath(field.Name);
ka.BeginTime = 0;
ka.Duration = duration;
ka.TimingFunction = CAMediaTimingFunction.FromName(CAMediaTimingFunction.Linear);
var fromValue = LayerUtils.GetCurrentValue(layer, field.Name);
var toValue = Convert.ToSingle(field.GetValue(properties));
ka.Values = KeyFrameUtils.CreateKeyValues((float)fromValue, (float)toValue, easing);
if (TypeUtils.IsUIView(target))
{
setLayerProperties(layer, field.Name, toValue);
}
animations.Add(ka);
}
}
var localTime = CAAnimation.CurrentMediaTime();
var group = CAAnimationGroup.CreateAnimation();
group.BeginTime = localTime; // TODO + delay from options...
group.Duration = duration;
group.FillMode = CAFillMode.Forwards;
group.RemovedOnCompletion = false;
// group.AutoReverses = false;
// group.RepeatCount = 0;
if (onComplete != null)
{
group.AnimationStopped += (object sender, CAAnimationStateEventArgs e) => {
onComplete.Invoke();
};
}
group.Animations = animations.ToArray();
layer.AddAnimation(group, null);
}