Pulsing-Control

PulseControl is a pulsing animation CALayer for UIView.

Requirements

• iOS 8.1+

Installation

NuGet

PulseControl is available through Nuget. To install use next command or Nuget manager:

Install-Package Xamarin.iOS.PulseControl

Manual

Simply copy the folder Xam.iOS.PulseControl to your project and reference to the PulseControl.csproj.

Usage

Getting Started

Via code

using Xamarin.iOS.PulseControl

Create a PulseControl object, and add it via 'myView.Layer.AddSubLayer()'. Code below insert three 'Pulse' layer to provide animation as on the sample image.

const float radius = 80;
RootView.Layer.InsertSublayer(new PulseCALayer(radius, RootView.Center) { BackgroundColor = UIColor.Red.CGColor }, 0);
RootView.Layer.InsertSublayer(new PulseCALayer(radius, RootView.Center, delay: 0.2f) { BackgroundColor = UIColor.Red.CGColor }, 1);
RootView.Layer.InsertSublayer(new PulseCALayer(radius, RootView.Center, delay: 0.4f) { BackgroundColor = UIColor.Red.CGColor }, 1);

Properties

PulseControl has a few customizable constructor parameters:

• radius (should be positive) The radius of the pulse.

• animationDuration (default is 1.5) The duration of the animation

• delay (default is 0.01) The time time before the animation starts

• nextPulseAfter (default is 0) the time interval between the start of ripple

• initialPulseScale (default is 0) The initial scale of the pulse

• numberOfPulses (default is 'float.PositiveInfinity') The number of pulses

License

PulseControl is released under the MIT license.