[Examples] Add code screenshots to example screens

MobilePlayerExamples/Assets.xcassets/PlainExampleCode.imageset/Contents.json

@@ -0,0 +1,21 @@
+{
+  "images" : [
+    {
+      "idiom" : "universal",
+      "filename" : "PlainExampleCode.png",
+      "scale" : "1x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "2x"
+    },
+    {
+      "idiom" : "universal",
+      "scale" : "3x"
+    }
+  ],
+  "info" : {
+    "version" : 1,
+    "author" : "xcode"
+  }
+}

MobilePlayerExamples/ExampleViewController.swift

@@ -9,26 +9,33 @@
 import UIKit
 
 class ExampleViewController: UIViewController {
+  let codeImageView = UIImageView(frame: CGRectZero)
   let showButton = UIButton(type: .System)
   let videoURL = NSURL(string: "https://movielalavideos.blob.core.windows.net/videos/563cb51788b8c6db4b000376.mp4")!
   let videoTitle = "Star Wars: Episode VII - The Force Awakens - International Trailer"
 
   override func viewDidLoad() {
     super.viewDidLoad()
     view.backgroundColor = UIColor.whiteColor()
+    view.addSubview(codeImageView)
     showButton.setTitle("Show Player", forState: .Normal)
     showButton.addTarget(self, action: "showButtonDidGetTapped", forControlEvents: .TouchUpInside)
     view.addSubview(showButton)
   }
 
   override func viewWillLayoutSubviews() {
     super.viewWillLayoutSubviews()
+    let size = view.frame.size;
+    codeImageView.sizeToFit()
+    codeImageView.frame.origin.x = (size.width - codeImageView.frame.size.width) / 2
+    codeImageView.frame.origin.y = (size.height - codeImageView.frame.size.height) / 2
     showButton.sizeToFit()
-    showButton.frame.origin.x = (view.frame.size.width - showButton.frame.size.width) / 2
-    showButton.frame.origin.y = (view.frame.size.height - showButton.frame.size.height) / 2
+    codeImageView.frame.origin.y -= (showButton.frame.size.height + 8) / 2;
+    showButton.frame.origin.x = (size.width - showButton.frame.size.width) / 2
+    showButton.frame.origin.y = codeImageView.frame.origin.y + codeImageView.frame.size.height + 8
   }
 
   func showButtonDidGetTapped() {
-    print("not implemented")
+    fatalError("showButtonDidGetTapped() has not been implemented")
   }
 }

MobilePlayerExamples/Info.plist

@@ -40,10 +40,8 @@
 	</dict>
 	<key>UISupportedInterfaceOrientations</key>
 	<array>
-		<string>UIInterfaceOrientationPortrait</string>
 		<string>UIInterfaceOrientationLandscapeLeft</string>
 		<string>UIInterfaceOrientationLandscapeRight</string>
-		<string>UIInterfaceOrientationPortraitUpsideDown</string>
 	</array>
 	<key>UISupportedInterfaceOrientations~ipad</key>
 	<array>

MobilePlayerExamples/PlainExampleViewController.swift

@@ -14,6 +14,7 @@ class PlainExampleViewController: ExampleViewController {
   init() {
     super.init(nibName: nil, bundle: nil)
     title = "Plain"
+    codeImageView.image = UIImage(named: "PlainExampleCode")
   }
 
   required init?(coder aDecoder: NSCoder) {