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我的应用程序的基本概念是,Complication 向 iPhone 请求数据,然后 iPhone 将数据发回。我从我的 iPhone 应用程序中激活了我的 WCSession didFinishLaunchingWithOptions。同样在我的 Watch 应用程序中,我已经覆盖init()了 ExtensionDelegate 中的。

这是我在 iPhone 上的单身人士:

class WatchConnectivityManager: NSObject, WCSessionDelegate {

   static let sharedManager = WatchConnectivityManager()

   private override init() {
       super.init()
   }

   private let session: WCSession? = WCSession.isSupported() ? WCSession.defaultSession() : nil

  func startSession() {
       print("session started")
       session?.delegate = self
       session?.activateSession()
   }

   func session(session: WCSession, didReceiveUserInfo userInfo: [String : AnyObject]) {
       print("didReceiveUserInfo")
       session.transferCurrentComplicationUserInfo(["reply":""])
   }
}

这是我手表上的单身人士:

class WatchConnectivityManager: NSObject, WCSessionDelegate {

   static let sharedManager = WatchConnectivityManager()

   private override init() {
       super.init()
   }

   private let session: WCSession? = WCSession.isSupported() ? WCSession.defaultSession() : nil

   func startSession() {
       print("session started")
       session?.delegate = self
       session?.activateSession()
   }

   func session(session: WCSession, didReceiveUserInfo userInfo: [String : AnyObject]) {
       print("didReceiveUserInfo")
   }

   func requestData() {
       print("data requested")
       session!.transferUserInfo(["request" : ""])
   }
}

在我的 ExtensionDelegate 的 init 中,当我激活我的 Complication 时应该调用它,我调用startSessionrequestData

class ExtensionDelegate: NSObject, WKExtensionDelegate {

   override init() {
       WatchConnectivityManager.sharedManager.startSession()
       WatchConnectivityManager.sharedManager.requestData()
   }

   func applicationDidFinishLaunching() {}

   func applicationDidBecomeActive() {}

   func applicationWillResignActive() {}

}

还有我 iPhone 上的 AppDelegate:

func application(application: UIApplication, didFinishLaunchingWithOptions launchOptions: [NSObject: AnyObject]?) -> Bool {
    WatchConnectivityManager.sharedManager.startSession()
    return true
}

输出很简单:

session started
data requested

没有didReceiveUserInfo当我在 XCode 中的模拟器上调试复杂功能时。

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