[BUG] flutter: scheduleTask ERROR: PlatformException #107
Comments
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Please review iOS Setup |
thanks for answering. I have already reviewed this setup several times. This is my complete Info.plist: ` BGTaskSchedulerPermittedIdentifiers com.transistorsoft.customtask com.transistorsoft.fetch CFBundleDevelopmentRegion $(DEVELOPMENT_LANGUAGE) CFBundleExecutable $(EXECUTABLE_NAME) CFBundleIdentifier ${PRODUCT_BUNDLE_IDENTIFIER} CFBundleInfoDictionaryVersion 6.0 CFBundleName EconomizaRR CFBundlePackageType APPL CFBundleShortVersionString $(MARKETING_VERSION) CFBundleSignature ???? CFBundleVersion $(CURRENT_PROJECT_VERSION) LSApplicationQueriesSchemes googlechromes comgooglemaps waze LSRequiresIPhoneOS NSCameraUsageDescription Para escanear o código de barras NSLocationAlwaysUsageDescription Para consultar o estabelecimento mais próximo de você NSLocationWhenInUseUsageDescription Para consultar o estabelecimento mais próximo de você UIBackgroundModes fetch processing remote-notification UILaunchStoryboardName LaunchScreen UIMainStoryboardFile Main UISupportedInterfaceOrientations UIInterfaceOrientationPortrait UISupportedInterfaceOrientations~ipad UIInterfaceOrientationPortrait UIInterfaceOrientationPortraitUpsideDown UIInterfaceOrientationLandscapeLeft UIInterfaceOrientationLandscapeRight UIViewControllerBasedStatusBarAppearance ` |
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Here's my XCode log after Launch from Background Fetch: |
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You're not doing this on a simulator, are you? The simulator doesn't work well with new fetch API. Best to test on a real device. |
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do not. iPhone 7 real |
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Here is the new problem. It is using the example build iPhone 8 plus with iOS 13.4. |
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@RYANCOAL9999 are you executing this in the iOS simulator? |
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No, I am using the real iPhone 8 plus. |
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@RYANCOAL9999 Did you Configure |
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yes, it is added. I am using your project's example. |
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@RYANCOAL9999 I just cloned this repo and launched the |
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I did that too: I cloned the repo and lanched the /example, but it didn't work in the real iphone 7 device. |
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I have no issues on iPhone 6s @ 13.4.1. |
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what is your sdk flutter configuration and other plugins? |
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Flutter sdk cannot affect this. Only iOS version / device settings. This error comes directly from iOS: |
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yes, The flutter sdk can not effect this. I just cloned this repo and launched the /example app in this repo. But, my testing error is not Failed to submit task request: Error Domain=BGTaskSchedulerErrorDomain Code=1 "(null)". My testing error is [VERBOSE-2:ui_dart_state.cc(157)] Unhandled Exception: PlatformException(1, null, null). May be the this example is miss some steps ? |
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You must have disabled Background Refresh in your device settings.
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And the big Flutter exception is thrown on purpose by the plugin because iOS said |
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I tried the whole process of installing the example: in the foreground, in the xcode console, the log I have is this: no exceptions are thrown (I left 20 minutes with the app running on xcode like this) now when i edit the xcode schema and set it to launch due to background fetch event, it displays the following console when booting from xcode: i'm using ios 13.4, running on real iphone 7, and background updates permissions are enabled. |
Why?? |
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because he indicated this warning when updating the pod (pod install): !] Automatically assigning platform |
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That |
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same problem. |
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I have no idea. iOS says this. You can |
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Guys, I found one thing: the project initially comes standard with iOS version 8.0. When I run the app in Xcode, with this version, it does not report any errors (although it does not run the service in the background at any time of the day). However, when I change the version to 13.4, the referred error of this topic appears. I know that it was informed that background-fetch is obsolete, but has not yet been discontinued in iOS 13, but there must be a problem, as it only presents this exception when moving to the most current version. |
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@kleber-rr |
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Doctor summary (to see all details, run flutter doctor -v): [✓] Android toolchain - develop for Android devices (Android SDK version 28.0.3) • No issues found! |
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Have you tried the |
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yes. |
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Are you running the
If you're talking about this, that's merely the minimum iOS version your app targets. I suggest you completely terminate XCode and restart your machine. |
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yes to all your questions. I have restarted the mac several times. however today, I once again, running the code through xCode, got the following result: |
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I've never heard of this. I don't thing this is directly related to the plugin. Both the fetch task It seems your original issue is solved.
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Your Environment
flutter info,flutter doctor):Flutter 1.15.21-pre.22 • channel master • https://github.com/flutter/flutter.git
Framework • revision 37a93a7ad9 (2 weeks ago) • 2020-03-12 17:06:02 -0400
Engine • revision 1aaf169882
Tools • Dart 2.8.0 (build 2.8.0-dev.13.0 17eec5bcde)`
To Reproduce
Steps to reproduce the behavior:
Debug logs
None$ adb logcatAdditional context
import UIKit import Flutter import UserNotifications import CoreML @UIApplicationMain @objc class AppDelegate: FlutterAppDelegate { override func application( _ application: UIApplication, didFinishLaunchingWithOptions launchOptions: [UIApplication.LaunchOptionsKey: Any]? ) -> Bool { GeneratedPluginRegistrant.register(with: self) UNUserNotificationCenter.current().delegate = self application.registerForRemoteNotifications() if(!UserDefaults.standard.bool(forKey: "Notification")) { let center = UNUserNotificationCenter.current() center.removeAllDeliveredNotifications() // To remove all delivered notifications center.removeAllPendingNotificationRequests() UserDefaults.standard.set(true, forKey: "Notification") } if #available(iOS 13.0, *) { NotificationCenter.default.addObserver(self, selector: #selector(willResignActive), name: UIScene.willDeactivateNotification, object: nil) } else { NotificationCenter.default.addObserver(self, selector: #selector(willResignActive), name: UIApplication.willResignActiveNotification, object: nil) } print("#SWIFT - didFinishLaunchingWithOptions - desativando o uso da CPU em background") let options = MLPredictionOptions() options.usesCPUOnly = true // Can't use GPU in the background // return super.application(application, didFinishLaunchingWithOptions: launchOptions) }Add any other context about the problem here.
I have this problem only on IOS. Whenever I activate "Start due to a background search event" in xcode and run the application, it reports this error at startup.
I also read and implemented the recommendations in "See the iOS setup guide"
Sometimes, this error does not appear (rarely), but notifications are not displayed and there are no errors. Even when I start the app normally, it doesn't display any errors.
Any idea what it might be?
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