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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!

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