Installation
Drop in the Spring folder to your Xcode project.
Usage with Storyboard
In Identity Inspector, connect the UIView to SpringView Class and set the animation properties in Attribute Inspector.
Usage with Code
layer.animation = "squeezeDown"
layer.animate()
Demo The Animations
Chaining Animations
layer.y = -50
animateToNext {
layer.animation = "fall"
layer.animateTo()
}
Functions
animate()
animateNext { ... }
animateTo()
animateToNext { ... }
Presets
shake
pop
morph
squeeze
wobble
swing
flipX
flipY
fall
squeezeLeft
squeezeRight
squeezeDown
squeezeUp
slideLeft
slideRight
slideDown
slideUp
fadeIn
fadeOut
fadeInLeft
fadeInRight
fadeInDown
fadeInUp
zoomIn
zoomOut
flash
Curve
spring
linear
easeIn
easeOut
easeInOut
Properties
force
duration
delay
damping
velocity
scale
x
y
rotate
* Not all properties work together. Play with the demo app.
Autostart
Allows you to animate without code. Don't need to use this is if you plan to start the animation in code.
Autohide
Saves you the hassle of adding a line "layer.alpha = 0" in viewDidLoad().
Known issue
Animations won't autostart when view is reached via performSegueWithIdentifier.
Tutorials
Tutorials available on Design+Code.
License
Spring is released under the MIT license. See LICENSE for details.