A Share for Watch OS ２.0 Keynote on iCloud : https://goo.gl/OgWXpQ 建議下載Keynote的版本，會有較完整的動畫呈現 :)

1. @Hack into the City
Play with watchOS 2.0 by Grady Zhuo
gradyzhuo@gmail.com

2. Sample Code
https://goo.gl/oTo8PV

3. How it Work? (watchOS 1)
WatchKit Extension
WatchKit UI
iOS App
WatchKit WatchKit

4. How it Work? (watchOS 1)
WatchKit Extension
WatchKit UI
iOS App
WatchKit WatchKit

5. Modified on Architecture
WatchKit Extension
WatchKit UI
iOS App

6. Available Hardwares
WatchKit Extension
WatchKit UI
Digital Crown
Taptic Engine
Networking
Microphone
Heart Rate Sensor
Accelerometer
Gyroscope

7. Available System Technologies
WatchKit Extension
WatchKit UI
ClockKit
Contacts
Core Data
Core Foundation
Core Graphics
Core Location
Core Motion
EventKit
Foundation
HealthKit
HomeKit
ImageIO
MapKit
Mobile Core Services
PassKit
Security
System Configuration
Watch Connectivity
WatchKit

8. Available System Technologies
❖ WatchConnectivity
❖ Complication - ClockKit
❖ Digital Crown - WKInterfacePicker
❖ Haptic - WKInterfaceDevice
❖ MediaPlayer - WKInterfaceController
❖ AudioRecording - WKInterfaceController

9. How do you get data
to the watch App?

11. WatchConnectivity NSURLSession

12. WatchConnectivity
The Watch Connectivity framework
(WatchConnectivity.framework) provides a two-way
communications conduit between an iOS app and a
WatchKit app on a paired Apple Watch.

13. WatchConnectivity
The Watch Connectivity framework
(WatchConnectivity.framework) provides a two-way
communications conduit between an iOS app and a
WatchKit app on a paired Apple Watch.

14. Setup
if (WCSession.isSupported()) {
let session = WCSession.defaultSession()
session.delegate = self // conforms to WCSessionDelegate
session.activateSession()
}

15. Session State

16. Session State
paired

17. Session State
watchAppInstalled
paired

18. Session State
watchAppInstalled
paired
complicationEnabled

19. Session State
watchAppInstalled
reachable
paired
complicationEnabled

20. Session State
watchAppInstalled
reachable
paired
complicationEnabled
reachable

21. 3 + 1 Transfer Types
❖ Background transfers
• Application context
• User info transfer
• File transfer
❖ Interactive messaging
• Live communication
Background transfers

22. Background transfers
❖ Content not needed immediately
❖ OS intelligently transfers content
❖ Queue up content
❖ OS transfers content
❖ Sending side can exit
• Pick opportune time
• Delivers on receiver next launch

23. Background transfers
❖ Content not needed immediately
❖ OS intelligently transfers content
❖ Queue up content
❖ OS transfers content
❖ Sending side can exit
• Pick opportune time
• Delivers on receiver next launch
Recommended

24. 3 + 1 Transfer Types
❖
• Application context
• User info transfer
• File transfer
❖ Interactive messaging
• Live communication
Background transfers

25. Application context
❖ Most interesting/relevant content
❖ Overriding behavior
❖ Dictionary
❖ Property list types
❖ Recommended use cases
• Many Apple Watch apps
• Glances

26. applicationContext receivedApplicationContext

27. applicationContext receivedApplicationContext
iOS App

28. iOS App
applicationContext receivedApplicationContext
A
update

29. iOS App
applicationContext receivedApplicationContext
A
B
update
A

30. applicationContext
B
iOS App
receivedApplicationContext
B A

31. applicationContext
B
iOS App
receivedApplicationContext
BB
Watch
Extension

32. applicationContext
B
iOS App
receivedApplicationContext
B
Current
B
B

33. User info transfer
❖ Queue user infos (dictionaries)
❖ Property list types(String, Number, Array, Dictionary…)
❖ In memory content
❖ Access to outstanding content in queue

34. Background Queue Outstanding User Info Transfers

35. Background Queue Outstanding User Info Transfers
Watch
Game

36. Background Queue Outstanding User Info Transfers
L1

37. Background Queue Outstanding User Info Transfers
L1
L2

38. Background Queue Outstanding User Info Transfers
L1 L2
L3

39. Background Queue Outstanding User Info Transfers
L1 L2 L3

40. iOS Game
Background Queue Outstanding User Info Transfers
L1 L2 L3
L1
didReceiveUserInfo

41. iOS Game
didReceiveUserInfo
Background Queue Outstanding User Info Transfers
L2 L3
L1
L2

42. Background Queue Outstanding User Info Transfers
L3
iOS Game
L1
L2
L3
didReceiveUserInfo

43. File transfer
❖ Very similar to user info transfer
❖ Queue files
❖ Access to outstanding content in queue
❖ Additional metadata
❖ Small
• Property list types

44. Outstanding File Transfers ~/Documents/Inbox/

45. Outstanding File Transfers ~/Documents/Inbox/
iOS App
A

46. Outstanding File Transfers ~/Documents/Inbox/
iOS App
B
A

47. Outstanding File Transfers ~/Documents/Inbox/
iOS App
A B
C

48. Outstanding File Transfers ~/Documents/Inbox/
iOS App
A B C

49. Outstanding File Transfers ~/Documents/Inbox/
iOS App
A B C
Watch
Extension

50. Outstanding File Transfers ~/Documents/Inbox/
iOS App
A B C
didReceiveFile
A

51. Outstanding File Transfers ~/Documents/Inbox/
iOS App
B C
didReceiveFile
A
B

52. Outstanding File Transfers ~/Documents/Inbox/
iOS App
C
didReceiveFile
A
B
C

53. Live communication
❖ Devices connected Watch
❖ Check reachable == true
❖ Small
• Property list types

55. iOS App
session.reachable == true
Watch
Extension

56. iOS App
session.reachable == true
sendMessage:
Watch
Extension
A

57. iOS App
session.reachable == true
Watch
ExtensionR

58. iOS App
session.reachable == true
Watch
Extension
replyHandler()
R

59. Live communication
func sendMessage(
message: [String : AnyObject],
replyHandler: (([String : AnyObject]) -> Void)?,
errorHandler: ((NSError) -> Void)?
)
optional func session(
session: WCSession,
didReceiveMessageData messageData: NSData,
replyHandler: (NSData) -> Void
)
On Receiver side (by delegate)
On Sender Side

60. Clock Face

61. Clock Face

62. Complication

63. Complication Families

64. CLKComplicationTemplate

65. CLKComplicationTemplate
ModularLargeStandardBody
class CLKComplicationTemplateModularLargeStandardBody : CLKComplicationTemplate {
var headerTextProvider : CLKTextProvider
var body1TextProvider : CLKTextProvider
var body2TextProvider : CLKTextProvider?
var headerImageProvider : CLKImageProvider?
}

66. CLKComplication
DataSource
CLKComplication
Server
Reload
Timeline
WatchKit
Extension
Time Travel

67. Timeline
9:00
Lunch!
12:00 PM
12:00
Coffee!
1:30 PM
1:30
Dinner!
6:30 PM
Timeline Entry
9:00
Lunch!
12:00 PM
Timeline Entry
12:00
Coffee!
1:30 PM
Timeline Entry
1:30
Dinner!
6:30 PM
9:00 12:00 1:00 2:00

68. Time Travel

69. Configure

70. Configure

71. Summary
❖ Extension has been moved to on Watch.
❖ All the most hardware API on the Watch can be used.
❖ Connect with iOS App by WatchConnectivity.
❖ Complications can be provided by Watch App.
❖ Almost all CocoaTouch frameworks are supported.
❖ Now you can play Taptic Engine.
❖ Digital Crown can be used on Simulator.

72. Thanks for your attention