PulsingHalo
PulsingHalo has been discontinued, and is no longer being maintained. Please check out Pulsator which is the new version of this written with Swift.
iOS component for creating a pulsing animation. It allows you to create halos.
Great For:
- Pulses of beacons (iBeacon)
- Map Annotations
Installation
CocoaPods
Add into your Podfile.
pod "PulsingHalo"
Then $ pod install
Carthage
Add into your Cartfile.
github "shu223/PulsingHalo"
Then $ carthage update
Manual
Add PulsingHaloLayer.h,m into your project.
How to use
Just initiate and add to your view layer.
Swift
let halo = PulsingHaloLayer()
halo.position = view.center
view.layer.addSublayer(halo)
halo.start()Objective-C
PulsingHaloLayer *halo = [PulsingHaloLayer layer];
halo.position = self.view.center;
[self.view.layer addSublayer:halo];
[halo start];Customizations
Number of Halos
Use haloLayerNumber property.
halo.haloLayerNumber = 3;radius
Use radius property.
self.halo.radius = 240.0;color
Use backgroundColor property.
UIColor *color = [UIColor colorWithRed:0.7
green:0.9
blue:0.3
alpha:1.0];
self.halo.backgroundColor = color.CGColor;animation duration
Use animationDuration or pulseInterval property.
animation repeat count
Initialize using initWithRepeatCount: method, or set repeatCount property. The default value is INFINITY.
animation key values and times
Use properties fromValueForRadius or keyTimeForHalfOpacity.
enable/disable timing function for animation
Use property useTimingFunction
Demo
You can try to change the radius and color properties with demo app.
Special Thanks
Inspired by SVPulsingAnnotationView.
Author
Shuichi Tsutsumi
iOS freelancer in Japan. Welcome works from abroad!
