Merge pull request #6 from albinekcom/master

Update to Swift 2.2

Author: fruitcoder

ReplaceAnimation/MailButton.swift

@@ -108,11 +108,11 @@ class MailButton: UIButton {
   }
 
   private func addTargets() {
-    self.addTarget(self, action: "touchDown:", forControlEvents: UIControlEvents.TouchDown)
-    self.addTarget(self, action: "touchUpInside:", forControlEvents: UIControlEvents.TouchUpInside)
-    self.addTarget(self, action: "touchDragExit:", forControlEvents: UIControlEvents.TouchDragExit)
-    self.addTarget(self, action: "touchDragEnter:", forControlEvents: UIControlEvents.TouchDragEnter)
-    self.addTarget(self, action: "touchCancel:", forControlEvents: UIControlEvents.TouchCancel)
+    self.addTarget(self, action: #selector(MailButton.touchDown(_:)), forControlEvents: UIControlEvents.TouchDown)
+    self.addTarget(self, action: #selector(MailButton.touchUpInside(_:)), forControlEvents: UIControlEvents.TouchUpInside)
+    self.addTarget(self, action: #selector(MailButton.touchDragExit(_:)), forControlEvents: UIControlEvents.TouchDragExit)
+    self.addTarget(self, action: #selector(MailButton.touchDragEnter(_:)), forControlEvents: UIControlEvents.TouchDragEnter)
+    self.addTarget(self, action: #selector(MailButton.touchCancel(_:)), forControlEvents: UIControlEvents.TouchCancel)
   }
 
   internal func touchDown(sender: MailButton) {

ReplaceAnimation/ViewController.swift

@@ -67,7 +67,7 @@ class ViewController: UICollectionViewController {
       layout.parallaxHeaderAlwaysOnTop = true
       layout.disableStickyHeaders = true
       self.collectionView?.collectionViewLayout = layout
-      self.collectionView?.panGestureRecognizer.addTarget(self, action: Selector("handlePan:"))
+      self.collectionView?.panGestureRecognizer.addTarget(self, action: #selector(ViewController.handlePan(_:)))
     }
 
     threshold = -floor(0.3 * screenBounds.width)