SLAnimation

Simple and powerful animation library built in Objective-C, compatible with Swift.

Features:

• Numerous animatable properties
• Multi-stage animations
• Callbacks
• Simplified Effects Wrapper

Installation

SLAnimation is available through CocoaPods. To install it, simply add the following line to your Podfile:

pod 'SLAnimation'

Class: SLAnimUtil

Common effects at your finger tips.

Effects:

• Shake
• Pop (in/out)
• Rise (in/out)
• Fall (in/out)
• Slide Left (in/out)
• Slide Right (in/out)
• Bounce Left (in/out)
• Bounce Right (in/out)
• Unroll Down (in/out)
• Fade Down (in/out)
• Fade Up (in/out)

Usage:

Effect: Simple

[SLAnimUtil animEffect:SLA_EFFECT_SHAKE view:view time:0.5];

Effect: With Delay

[SLAnimUtil animEffect:SLA_EFFECT_SHAKE view:view time:0.5 delay:0.5];

Effect: With Delay + Callback

[SLAnimUtil animEffect:SLA_EFFECT_SHAKE view:view time:0.5 delay:0.5 cbTarget:self cbSelector:@selector(onAnimateComplete)];

Example:

Shake

Pop (In/Out)

Rise (In/Out) -> No spring motion

Fall (In/Out) -> No spring motion

Slide Left (In/Out)

Bounce Left (In/Out) -> i.e. Slide with a slight spring motion

Unroll Down (In/Out)

**Fade Down (In/Out) -> Small vertical displacement, with fade **

**Fade Up (In/Out) -> Small vertical displacement, with fade **

Class: SLAnim

Core class for advanced usage

Compulsary

• View
• Time

Animatable Properties:

• Alpha
• Center
• Color: Background
• Frame
• Shadow Opacity
• Transform X, Transform Y, Transform XY

Optional

• Delay
• Callback (+ Callback Object)

Usage:

SLAnim *anim = [[SLAnim alloc] init];
// (Set Compulsary)
// (Set Animation Properties)
// (Set Optionals)
[anim animate];

Use-case: Pop In Effect

• Scale up (slightly larger)
• Scale down (correct size)

SLAnim *anim = [[SLAnim alloc] initWithView:view];
[anim setTimes:@[@(0.4), @(0.1)]];
[anim setProp:SLA_PROP_TRANSFORM_XY values:@[@0, @1.1, @1]];
[anim animate];

Use-case[2]: Pulse Alpha

• Fade In
• Fade Out Slow
• Optional: Trigger callbacks

SLAnim *anim = [[SLAnim alloc] initWithView:view];
[anim setTimes:@[@(0.1), @(0.4)]];
[anim setProp:SLA_PROP_ALPHA values:@[@0, @1, @0]];
[anim setCallbackTarget:self callbackSelector:@selector(onAnimateComplete)];
[anim animate];

Author

Jack Wong

License

SLAnimation is available under the MIT license. See the LICENSE file for more info.