update for Swift 1.2, Xcode 6.3

Author: mattneub

bk2ch16p678mediaQuery/ch29p946mediaQuery/ViewController.swift

@@ -85,15 +85,15 @@ class ViewController: UIViewController {
 
     @IBAction func doAllAlbumTitles (sender:AnyObject!) {
         let query = MPMediaQuery.albumsQuery()
-        let result = query.collections as [MPMediaItemCollection]
+        let result = query.collections as! [MPMediaItemCollection]
         // prove we've performed the query, by logging the album titles
         for album in result {
             println(album.representativeItem.albumTitle)
         }
         return; // testing
         // cloud item values are 0 and 1, meaning false and true
         for album in result {
-            for song in album.items as [MPMediaItem] {
+            for song in album.items as! [MPMediaItem] {
                 println("\(song.valueForProperty(MPMediaItemPropertyIsCloudItem)) \(song.valueForProperty(MPMediaItemPropertyAssetURL)) \(song.valueForProperty(MPMediaItemPropertyTitle))")
             }
         }
@@ -105,7 +105,7 @@ class ViewController: UIViewController {
             forProperty:MPMediaItemPropertyAlbumTitle,
             comparisonType:.Contains)
         query.addFilterPredicate(hasBeethoven)
-        let result = query.collections as [MPMediaItemCollection]
+        let result = query.collections as! [MPMediaItemCollection]
         for album in result {
             println(album.representativeItem.albumTitle)
         }
@@ -122,13 +122,13 @@ class ViewController: UIViewController {
             comparisonType:.EqualTo)
         query.addFilterPredicate(isPresent)
 
-        let result = query.collections as [MPMediaItemCollection]
+        let result = query.collections as! [MPMediaItemCollection]
         for album in result {
             println(album.representativeItem.albumTitle)
         }
         // and here are the songs in the first of those albums
         let album = result[0]
-        for song in album.items as [MPMediaItem] {
+        for song in album.items as! [MPMediaItem] {
             println(song.title)
         }
     }
@@ -141,7 +141,7 @@ class ViewController: UIViewController {
             comparisonType:.EqualTo)
         query.addFilterPredicate(isPresent)
 
-        let shorties = (query.items as [MPMediaItem]).filter {
+        let shorties = (query.items as! [MPMediaItem]).filter {
             let dur = $0.playbackDuration
             return dur < 30
         }

bk2ch16p687AVQueuePlayer/ch29p952AVQueuePlayer/Player.swift

@@ -1,6 +1,6 @@
 
 
-import UIKIt
+import UIKit
 import AVFoundation
 import MediaPlayer
 

bk2ch16p687AVQueuePlayer/ch29p952AVQueuePlayer/ViewController.swift

@@ -69,12 +69,14 @@ class ViewController: UIViewController {
     }
 
     @IBAction func doPlayOneSongAVAudioPlayer (sender:AnyObject!) {
+        self.curplayer?.pause()
         let url = self.oneSong()
         self.player.playFileAtURL(url)
         self.curplayer = self.player.player
     }
 
     @IBAction func doPlayOneSongMPMoviePlayerController (sender:AnyObject!) {
+        self.curplayer?.pause()
         let url = self.oneSong()
         let mpc = MPMoviePlayerController(contentURL:url)
         self.mpc = mpc
@@ -86,13 +88,15 @@ class ViewController: UIViewController {
     }
 
     @IBAction func doPlayOneSongAVPlayer (sender:AnyObject!) {
+        self.curplayer?.pause()
         let url = self.oneSong()
         self.avplayer = AVPlayer(URL:url)
         self.avplayer.play()
         self.curplayer = self.avplayer
     }
 
     @IBAction func doPlayOneSongAVKit(sender: AnyObject) {
+        self.curplayer?.pause()
         let url = self.oneSong()
         let p = AVPlayer(URL:url)
         let vc = AVPlayerViewController()
@@ -110,17 +114,19 @@ class ViewController: UIViewController {
         self.view.addSubview(vc.view)
         vc.didMoveToParentViewController(self)
         p.play()
+        self.curplayer = p
     }
 
     @IBAction func doPlayShortSongs (sender:AnyObject!) {
+        self.curplayer?.pause()
         let query = MPMediaQuery.songsQuery()
         // always need to filter out songs that aren't present
         let isPresent = MPMediaPropertyPredicate(value:false,
             forProperty:MPMediaItemPropertyIsCloudItem,
             comparisonType:.EqualTo)
         query.addFilterPredicate(isPresent)
 
-        let shorties = (query.items as [MPMediaItem]).filter {
+        let shorties = (query.items as! [MPMediaItem]).filter {
             let dur = $0.playbackDuration
             return dur < 30
         }
@@ -132,7 +138,7 @@ class ViewController: UIViewController {
 
         self.assets = shorties.map {
             let url = $0.assetURL
-            let asset = AVAsset.assetWithURL(url) as AVAsset
+            let asset = AVAsset.assetWithURL(url) as! AVAsset
             return AVPlayerItem(
                 asset: asset, automaticallyLoadedAssetKeys: ["duration"])
             // duration needed later; this way, queue player will load it for us up front
@@ -174,7 +180,7 @@ class ViewController: UIViewController {
         arr = AVMetadataItem.metadataItemsFromArray(arr,
             withKey:AVMetadataCommonKeyTitle,
             keySpace:AVMetadataKeySpaceCommon)
-        let met = arr[0] as AVMetadataItem
+        let met = arr[0] as! AVMetadataItem
         met.loadValuesAsynchronouslyForKeys(["value"]) {
             // should always check for successful load of value
             if met.statusOfValueForKey("value", error: nil) == .Loaded {
@@ -193,7 +199,7 @@ class ViewController: UIViewController {
             return
         }
         let newItem = self.assets.removeAtIndex(0)
-        self.qp.insertItem(newItem, afterItem:self.qp.items().last as AVPlayerItem)
+        self.qp.insertItem(newItem, afterItem:self.qp.items().last as! AVPlayerItem)
 
         self.timer?.fire()
     }