Animation Structure Reference


                    
                    
                    opacity(from:to:)

Animation by changing the opacity

Declaration

Swift

public static func opacity(from fromValue: CGFloat, to toValue: CGFloat) -> CABasicAnimation

Parameters

`fromValue`	the initial value of the animation
`toValue`	the final value of the animation

Return Value

a CABasicAnimation object


                    
                    
                    transform(from:to:)

Animation by changing the scale using transform

Declaration

Swift

public static func transform(from fromValue: CGFloat = 1.0, to toValue: CGFloat) -> CABasicAnimation

Parameters

`fromValue`	the initial value of the animation
`toValue`	the final value o the animation

Return Value

a CABasicAnimation object


                    
                    
                    color(from:to:)

Animation by changing the color

Declaration

Swift

public static func color(from fromColor: CGColor, to toColor: CGColor) -> CABasicAnimation

Parameters

`fromColor`	the initial color of the animation
`toColor`	the final color of the animation

Return Value

a CABasicAnimation


                    
                    
                    transform(times:values:duration:)

Animation by changing the scale using transform

Declaration

Swift

public static func transform(times: [NSNumber] = [0.0, 0.5, 1.0], values: [CGFloat] = [0.0, 1.4, 1.0], duration: CFTimeInterval = 0.3) -> CAKeyframeAnimation

Parameters

`times`	An array of NSNumber objects that define the time at which to apply a given keyframe segment.
`values`	An array of objects that specify the keyframe values to use for the animation.
`duration`	the duration of the animation, the default value is 0.3

Return Value

a CAKeyframeAnimation object


                    
                    
                    hide()

Animation to hide views, using transform and changing the scale to 0.0

Declaration

Swift

public static func hide() -> CAKeyframeAnimation

Return Value

a CAKeyframeAnimation object


                    
                    
                    group(animations:duration:)

Allows multiple animations to be grouped and run concurrently.

Declaration

Swift

public static func group(animations: CAAnimation..., duration: CFTimeInterval) -> CAAnimationGroup

Parameters

`animations`	the list of animations
`duration`	the animation duration

Return Value

a CAAnimationGroup object