Practical WatchKit Development (UIKonf 2015)

Presentation at UIKonf 2015 in Berlin http://www.uikonf.com

Transcript

1. Practical WatchKit Development @claushoefele
2. Kleinanzeigen TransitHopper
3. WatchKit App WatchKit Extension iOS App WatchKit App vs Extension
5. Interactive Notifications
6. class TripDetailInterfaceController: WKInterfaceController { @IBOutlet private weak var map: WKInterfaceMap! override func awakeWithContext(context: AnyObject?) { super.awakeWithContext(context) ... } override func willActivate() { super.willActivate() ... } }
7. map.addAnnotation(coordinate, withPinColor: .Red) let coordinateRegion = MKCoordinateRegionMakeWithDistance[...] map.setRegion(coordinateRegion)
8. Tables
9. Paging
10. Hides when loading Off On
12. WatchKit App WatchKit Extension Requesting Data
13. WatchKit App WatchKit Extension iOS App openParentApplication()
14. private func callParentApp() { let userInfo = ["input": "data"] WKInterfaceController.openParentApplication(userInfo) { replyInfo, error in println("reply \(replyInfo)") } } func application(_:handleWatchKitExtensionRequest:reply:) Calling the Parent App
15. Handoff
16. User Location Permissions WatchKit App WatchKit Extension iOS App When In Use Always
17. WatchKit Extension iOS App Sharing Data
19. let defaults = NSUserDefaults(suiteName: "group.com.claushoefele.T")! func updateObjectForKey<T: NSCoding>(key: String, item: T) { let data = NSKeyedArchiver.archivedDataWithRootObject(item) defaults.setObject(data, forKey: key) }
20. WatchKit Extension iOS App Signalling
21. func sendDarwinNotification(identifier: String) { let darwinNotificationCenter = CFNotificationCenterGetDarwinNotifyCenter() CFNotificationCenterPostNotification(darwinNotificationCenter, identifier, nil, nil, 1); } CFNotificationCenterAddObserver
22. Data Sync
23. “A WatchKit app complements your iOS app; it does not replace it.” –Apple Watch HIG
24. “Anything that could show the user a progress spinner (however briefly) is a failure on my part.” –David Smith
25. “[…] many of us —  developers included — are still figuring out how this device fits into daily life […]” –M.G. Siegler
26. Practical WatchKit Development @claushoefele http://slack.fiveminutewatchkit.com