MissingPluginException(No implementation found for method checkPermissionStatus on channel flutter.baseflow.com/permissions/methods)

[huangsir0]

MissingPluginException

MissingPluginException(No implementation found for method checkPermissionStatus on channel flutter.baseflow.com/permissions/methods)

Version: permission_handler ^7.1.0

kotlin: ext.kotlin_version = '1.4.10'

doctor

[✓] Flutter (Channel stable, 2.2.0, on macOS 11.2.3 20D91 darwin-x64, locale zh-Hans-CN)
[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
[✓] Xcode - develop for iOS and macOS
[✓] Chrome - develop for the web
[✓] Android Studio (version 4.2)
[✓] VS Code (version 1.56.2)
[✓] Connected device (4 available)

Platform:

• 🤖 Android

[mvanbeusekom]

Hi @huangsir0,

To resolve this problem please try the following:

1. Make sure you added the necessary permissions to your AndroidManifest.xml file;
2. Make sure your Application is migrated to use AndroidX (see migration guide);
3. Run the flutter clean command in the root of your project;
4. If you are using Android Studio or IntelliJ run the Invalidate caches/ Restart option.

If the above doesn't work please have a look at this issue.

Other related issues that might help:

• MissingPluginException(No implementation found for method checkPermissionStatus on channel flutter.baseflow.com/permissions/methods) #463
• Unhandled Exception: MissingPluginException(No implementation found for method checkPermissionStatus on channel flutter.baseflow.com/permissions/methods) #315
• Unhandled Exception: MissingPluginException(No implementation found for method requestPermissions on channel flutter.baseflow.com/permissions/methods) #308

I am going to close this issue as this doesn't seem related to the plugin itself but more the user environment. However if you have any follow up questions don't hesitate to leave another comment.

[Farial-mahmod]

@mvanbeusekom , Thanks for your reply. I have tried your instructions but the error still seems to persist .

[mvanbeusekom]

@Farial-mahmod which platform are you targeting? Note that permission_handler doesn't (yet) support web and Linux.

[CristiCh]

I have the same error when running on ios device:

[ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: MissingPluginException(No implementation found for method checkPermissionStatus on channel flutter.baseflow.com/permissions/methods)
#0      MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:332:7)
<asynchronous suspension>
#1      MethodChannelPermissionHandler.checkPermissionStatus (package:permission_handler_platform_interface/src/method_channel/method_channel_permission_handler.dart:17:20)
<asynchronous suspension>
#2      requestNotificationPermission (package:bmicalculator/main.dart:11:16)
<asynchronous suspension>
#3      main (package:bmicalculator/main.dart:21:3)
<asynchronous suspension>
the Dart compiler exited unexpectedly.

Can anyone please help?

[CristiCh]

Here is where I use the permission_handler

import 'package:flutter_local_notifications/flutter_local_notifications.dart';
import 'package:permission_handler/permission_handler.dart';

Future<void> requestNotificationPermission() async {
  if (await Permission.notification.isDenied) {
    await Permission.notification.request();
  }
}

void main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await requestNotificationPermission(); // Request permission on app launch

  runApp(MyApp());
}

[mvanbeusekom]

Hi @CristiCh,

Can you check the versions of the permission_handler and permission_handler_apple packages in your pubspec.lock file?

Could be a mismatch there. Also which version of the permission_handler are you using? Can you update to the latest version using:

flutter pub update permission_handler
flutter pub update permission_handler_apple

[CristiCh]

Hi @CristiCh,

Can you check the versions of the permission_handler and permission_handler_apple packages in your pubspec.lock file?

Could be a mismatch there. Also which version of the permission_handler are you using? Can you update to the latest version using:

flutter pub update permission_handler
flutter pub update permission_handler_apple

Hi @mvanbeusekom,

I only had permission_handler: ^11.3.1 in pubspec.yaml. Do I also need to add the permission_handler_apple?

Thank you very much!

[mvanbeusekom]

No the permission_handler package depends on the permission_handler_apple package and will automatically be downloaded.

You can check the version in the pubspec.lock file that should be added in the root of your application (note the extension .lock and not the .yaml file).