HandOff is now working

However, the result is currently just logged to the screen - need to
extract the activity result

38-handoff/MapOff/MapOff.xcodeproj/project.pbxproj

@@ -407,6 +407,7 @@
 				224D13651A11199C00A53AFB /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 		224D13661A11199C00A53AFB /* Build configuration list for PBXNativeTarget "MapOffTests" */ = {
 			isa = XCConfigurationList;
@@ -415,6 +416,7 @@
 				224D13681A11199C00A53AFB /* Release */,
 			);
 			defaultConfigurationIsVisible = 0;
+			defaultConfigurationName = Release;
 		};
 /* End XCConfigurationList section */
 	};

38-handoff/MapOff/MapOff/AppDelegate.swift

@@ -25,6 +25,16 @@ class AppDelegate: UIResponder, UIApplicationDelegate {
     // Override point for customization after application launch.
     return true
   }
+
+  func application(application: UIApplication, willContinueUserActivityWithType userActivityType: String) -> Bool {
+    println("Will continue \(userActivityType)")
+    return true
+  }
+
+  func application(application: UIApplication, continueUserActivity userActivity: NSUserActivity, restorationHandler: ([AnyObject]!) -> Void) -> Bool {
+    println("Continuing...")
+    return true
+  }
 
 }
 

38-handoff/MapOff/MapOff/Info.plist

@@ -22,6 +22,10 @@
 	<string>1</string>
 	<key>LSRequiresIPhoneOS</key>
 	<true/>
+	<key>NSUserActivityTypes</key>
+	<array>
+		<string>com.shinobicontrols.MapOff.viewport</string>
+	</array>
 	<key>UILaunchStoryboardName</key>
 	<string>LaunchScreen</string>
 	<key>UIMainStoryboardFile</key>

38-handoff/MapOff/MapOff/ViewController.swift

@@ -24,8 +24,13 @@ class ViewController: UIViewController, MKMapViewDelegate {
   override func viewDidLoad() {
     super.viewDidLoad()
     // Do any additional setup after loading the view, typically from a nib.
-    userActivity = NSUserActivity(activityType: "com.shinobicontrols.MapOff.viewport")
-    userActivity?.becomeCurrent()
+    let activityType = "com.shinobicontrols.MapOff.viewport"
+    if userActivity?.activityType != activityType {
+      userActivity?.invalidate()
+      userActivity = NSUserActivity(activityType: activityType)
+    }
+
+    userActivity?.needsSave = true
     mapView.delegate = self
   }