GlowingView

A UIView extension adds customisable glow effect based on CALayer shadows.

Demo

Try

pod try GlowingView

Requirements

• Xcode 8+
• Swift 3+
• iOS 10+

Install

use_frameworks!
pod 'GlowingView'

Usage

Call startGlowing function with optional paramaters to fit your glowing needs.
Call stopGlowing function to stop glowing effect.

GlowingView adds a private glowing layer top of the target view with CALayer shadows and CABasicAnimation animations.

Start Glow Signature

  public func startGlowing(
    color: UIColor = .white,
    fromIntensity: CGFloat = 0,
    toIntensity: CGFloat = 1,
    fill: Bool = false,
    position: CGPoint? = nil,
    duration: TimeInterval = 1,
    repeat shouldRepeat: Bool = true)

Demo usage

glowImageView?.startGlowing(
  color: .green,
  duration: 0.5)

fillGlowImageView?.startGlowing(
  color: .red,
  toIntensity: 0.4,
  fill: true,
  duration: 0.8)

Credits

Code heavily refactored from https://github.com/thesecretlab/UIView-Glow