Background tasks no longer working since update to watchOS7

Question

I have a background task from the Apple Watch that saves some data to a server every 30 - 60 minutes. It was working flawlessly on watchOS6 but stopped working on watchOS7. Strangely if I launch from Xcode on my device it works flawlessly again until it loses connection with the debugger. No background activities work when launched via TestFlight. I am not using the WKURLSessionRefreshBackgroundTask because the data I send is very small and the entire auth process and save to the server only takes about 2 seconds. Below is a sample of the code I am using:

Code Block func applicationWillResignActive() {
        print ("Should go to background now")
        beginUploadTask()
    }
func applicationDidEnterBackground() {
        print ("App in background now")
        	  WKExtension.shared().scheduleBackgroundRefresh(withPreferredDate: Date(timeIntervalSinceNow: 120), userInfo: nil) { (error: Error?) in
            if let error = error {
                print("Error occured while scheduling background refresh: \(error.localizedDescription)")
            } else {
                print ("Background refeesh scheduled")
            }
        }
    }
    func handle(_ backgroundTasks: Set<WKRefreshBackgroundTask>) {
        for task in backgroundTasks {
            switch task {
            case let backgroundTask as WKApplicationRefreshBackgroundTask:
                beginUploadTask()
		backgroundTask.setTaskCompletedWithSnapshot(false)
WKExtension.shared().scheduleBackgroundRefresh(withPreferredDate: Date(timeIntervalSinceNow: 30 * 60), userInfo: nil) { (error: Error?) in
                    if let error = error {
                        print("Error occured while scheduling background refresh: \(error.localizedDescription)")
                    } else {
                        print ("Background refeesh scheduled")
                    }
                }

Thanks in advance!

1.5k

Posted by

trpmap93

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Answer 1

If your deployment target is set to watchOS7 for the minimum version your app may not be looking for your ExtensionDelegate any longer. You can use the property wrapper @WKExtensionDelegateAdaptor to observe your ExtensionDelegate. Make sure your ExtensionDelegate conforms to ObservableObject. Something to this effect should work.

Code Block @main
struct RunPlanner: App {
	@Environment(\.scenePhase) var scenePhase
	@WKExtensionDelegateAdaptor(ExtensionDelegate.self) var delegate
	var body: some Scene {
		WindowGroup {
			ContentView()
		}
		.onChange(of: scenePhase) { phase in
			switch phase {
				case .active:
					print("\(#function) REPORTS - App change of scenePhase to ACTIVE")
				case .inactive:
					print("\(#function) REPORTS - App change of scenePhase Inactive")
				case .background:
					startBackgroundRefresh()
				default:
					print("\(#function) REPORTS - App change of scenePhase Default")
			}
		}
	}

Posted by

DanOLeary

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Background tasks no longer working since update to watchOS7

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