Make sure the presentationLayer is non-nil before trying to pause animations. Update to version 1.3.3

KDCircularProgress.podspec

@@ -1,6 +1,6 @@
 Pod::Spec.new do |s|
   s.name = 'KDCircularProgress'
-  s.version = '1.3'
+  s.version = '1.3.3'
   s.license = 'MIT'
   s.summary = 'A circular progress view with gradients written in Swift'
   s.homepage = 'https://github.com/kaandedeoglu/KDCircularProgress'

KDCircularProgress/KDCircularProgress.swift

@@ -171,19 +171,19 @@ public class KDCircularProgress: UIView {
         self.init(frame: frame)
         setColors(colors)
     }
-
+    
     required public init(coder aDecoder: NSCoder) {
-		super.init(coder: aDecoder)!
-		translatesAutoresizingMaskIntoConstraints = false
-		userInteractionEnabled = false
-		setInitialValues()
+        super.init(coder: aDecoder)!
+        translatesAutoresizingMaskIntoConstraints = false
+        userInteractionEnabled = false
+        setInitialValues()
         refreshValues()
-	}
+    }
     
     public override func awakeFromNib() {
         checkAndSetIBColors()
     }
-	
+    
     override public class func layerClass() -> AnyClass {
         return KDCircularProgressViewLayer.self
     }
@@ -235,13 +235,13 @@ public class KDCircularProgress: UIView {
         
         let animationDuration: NSTimeInterval
         if relativeDuration {
-           animationDuration = duration
+            animationDuration = duration
         } else {
             let traveledAngle = UtilityFunctions.Mod(toAngle - fromAngle, range: 360, minMax: (0, 360))
             let scaledDuration = (NSTimeInterval(traveledAngle) * duration) / 360
             animationDuration = scaledDuration
         }
-
+        
         let animation = CABasicAnimation(keyPath: "angle")
         animation.fromValue = fromAngle
         animation.toValue = toAngle
@@ -261,7 +261,7 @@ public class KDCircularProgress: UIView {
     }
     
     public func pauseAnimation() {
-        let presentationLayer = progressLayer.presentationLayer() as! KDCircularProgressViewLayer
+        guard let presentationLayer = progressLayer.presentationLayer() as? KDCircularProgressViewLayer else { return }
         let currentValue = presentationLayer.angle
         progressLayer.removeAllAnimations()
         animationCompletionBlock = nil
@@ -373,12 +373,13 @@ public class KDCircularProgress: UIView {
             trackThickness = progressLayer.trackThickness
             trackColor = progressLayer.trackColor
             colorsArray = progressLayer.colorsArray
+            progressInsideFillColor = progressLayer.progressInsideFillColor
         }
-
+        
         override init() {
             super.init()
         }
-
+        
         required init?(coder aDecoder: NSCoder) {
             super.init(coder: aDecoder)
         }
@@ -398,7 +399,7 @@ public class KDCircularProgress: UIView {
             CGContextSetLineWidth(ctx, trackLineWidth)
             CGContextSetLineCap(ctx, CGLineCap.Butt)
             CGContextDrawPath(ctx, .FillStroke)
-
+            
             UIGraphicsBeginImageContextWithOptions(size, false, 0.0)
             let imageCtx = UIGraphicsGetCurrentContext()
             let reducedAngle = UtilityFunctions.Mod(angle, range: 360, minMax: (0, 360))
@@ -457,7 +458,7 @@ public class KDCircularProgress: UIView {
             let baseSpace = CGColorSpaceCreateDeviceRGB()
             let locations = locationsCache ?? gradientLocationsFromColorCount(componentsArray.count/4, gradientWidth: bounds.size.width)
             let gradient: CGGradient
-
+            
             if let g = self.gradientCache {
                 gradient = g
             } else {

README.md

@@ -8,8 +8,9 @@ Here's an example
 [Youtube Link](http://youtu.be/iIdas72MXOg)
 
 
-[![Screenshot](https://raw.githubusercontent.com/kaandedeoglu/KDCircularProgress/master/screenshot.png)](http://youtu.be/iIdas72MXOg)
+![Screenshot](https://raw.githubusercontent.com/kaandedeoglu/KDCircularProgress/master/screenshot.gif)
 
+![Screenshot](https://raw.githubusercontent.com/kaandedeoglu/KDCircularProgress/master/screenshot.png)
 ![Screenshot](https://raw.githubusercontent.com/kaandedeoglu/KDCircularProgress/master/screenshot2.jpg)
 ![Screenshot](https://raw.githubusercontent.com/kaandedeoglu/KDCircularProgress/master/screenshot3.jpg)
 ![Screenshot](https://raw.githubusercontent.com/kaandedeoglu/KDCircularProgress/master/screenshot4.jpg)
@@ -100,11 +101,13 @@ public func setColors(colors: UIColor...)
 Set the colors for the progress gradient.
 
 ```swift
-public func animateFromAngle(fromAngle: Int, toAngle: Int, duration: NSTimeInterval, completion: ((Bool) -> Void)?)
+public func animateFromAngle(fromAngle: Int, toAngle: Int, duration: NSTimeInterval, relativeDuration: Bool = true, completion: ((Bool) -> Void)?)
 ```
 
 Animate the progress from an initial value to a final value, with a completion block that fires after the animation is done.
 
+`relativeDuration` - specify if the duration is for the specific animation or is the duration that would make a full turn.
+
 ```swift
 public func animateToAngle(toAngle: Int, duration: NSTimeInterval, completion: ((Bool) -> Void)?)
 ```