watchconnectivity | 易学教程

WKWatchConnectivityRefreshBackgroundTask is never triggered in background, but WKSnapshotRefreshBackgroundTask

阅读更多关于 WKWatchConnectivityRefreshBackgroundTask is never triggered in background, but WKSnapshotRefreshBackgroundTask

问题 I want to update my watch app state in background from iPhone, using session.updateApplicationContext(applicationContext). Sending an application contact while the app on the watch is active does work properly. When I activate the home button on the watch, the watch app goes to the background, handle(_ backgroundTasks: Set<WKRefreshBackgroundTask>) is called, and a WKSnapshotRefreshBackgroundTask is provided. So I don’t understand why a WKSnapshotRefreshBackgroundTask is triggered properly,

How To Share Data with Watch OS 2 to display in WKInterfaceTable when working with CoreData

阅读更多关于 How To Share Data with Watch OS 2 to display in WKInterfaceTable when working with CoreData

问题 I am using WatchConnectivity to try to send data of type NSManagedObject called arrayOfOjects to the Watch. Each object has a string property called title . The InterfaceController on the Watch loads and displays and empty table - as intended because the array is empty, then when the user requests the data it is sent using the didReceiveMessage method on the phone. I am unsure how to add the dictionary array to the objectsArray to display in the WKInterfaceTable . Does anyone know how I can

How big can the payload be when sending data via WatchConnectivity?

阅读更多关于 How big can the payload be when sending data via WatchConnectivity?

When sending data using the WatchConnectivity framework, either from the phone to the watch or vice-versa, how big can the payload be before the framework gives me the WCErrorCodePayloadTooLarge error? I couldn't find the answer on Apple's documentation, and there doesn't seem to be much information on this on the internet at this time (in fact, googling WCErrorCodePayloadTooLarge gives me just 4 results). Has anyone tested to try to find the answer to this? If this question doesn't get an answer, I will try to do it myself and post the results. So far, all the information I have is that it

How big can the payload be when sending data via WatchConnectivity?

阅读更多关于 How big can the payload be when sending data via WatchConnectivity?

问题 When sending data using the WatchConnectivity framework, either from the phone to the watch or vice-versa, how big can the payload be before the framework gives me the WCErrorCodePayloadTooLarge error? I couldn't find the answer on Apple's documentation, and there doesn't seem to be much information on this on the internet at this time (in fact, googling WCErrorCodePayloadTooLarge gives me just 4 results). Has anyone tested to try to find the answer to this? If this question doesn't get an