Fix issue relating to timer label being removed (#172)

version 6.0.1

Author: luispadron

CHANGELOG.md

@@ -1,3 +1,7 @@
+# Version 6.0.1
+
+- Fix bug relating to label for rings being removed during animation ([#171](https://github.com/luispadron/UICircularProgressRing/issues/171))
+
 # Version 6.0.0
 
 - Fixed issue with API of `UICircularRingStyle` which made it impossible to have both a gradient and outer ring style, etc.

UICircularProgressRing.podspec

@@ -2,7 +2,7 @@
 Pod::Spec.new do |s|
 
   s.name         = "UICircularProgressRing"
-  s.version      = "6.0.0"
+  s.version      = "6.0.1"
   s.summary      = "A highly customizable circular progress bar for iOS written in Swift"
 
   s.description  = <<-DESC

src/UICircularProgressRing/UICircularRingLayer.swift

@@ -30,7 +30,7 @@ import UIKit
  This is the class that handles all the drawing and animation.
  This class is not interacted with, instead
  properties are set in UICircularRing and those are delegated to here.
- 
+
  */
 class UICircularRingLayer: CAShapeLayer {
 
@@ -76,6 +76,27 @@ class UICircularRingLayer: CAShapeLayer {
         return animatableProperties.index(of: key) != nil
     }
 
+    // MARK: Init
+
+    override init() {
+        super.init()
+    }
+
+    override init(layer: Any) {
+        // copy our properties to this layer which will be used for animation
+        guard let layer = layer as? UICircularRingLayer else { fatalError("unable to copy layer") }
+        valueFormatter = layer.valueFormatter
+        valueKnobStyle = layer.valueKnobStyle
+        animationDuration = layer.animationDuration
+        animationTimingFunction = layer.animationTimingFunction
+        animated = layer.animated
+        shouldAnimateProperties = layer.shouldAnimateProperties
+        propertyAnimationDuration = layer.propertyAnimationDuration
+        super.init(layer: layer)
+    }
+
+    required init?(coder aDecoder: NSCoder) { return nil }
+
     // MARK: Draw
 
     /**