search

juliuscanute / qr_code_scanner

QR Code Scanner for Flutter
BSD 2-Clause "Simplified" License
999 stars 759 forks source link

[BUG] Field '_channel@892294394' has not been initialized. #575

Open hdtuan87 opened 2 years ago

hdtuan87 commented 2 years ago

Describe the bug [VERBOSE-2:ui_dart_state.cc(198)] Unhandled Exception: LateInitializationError: Field '_channel@892294394' has not been initialized.

0 _QRViewState._channel (package:qr_code_scanner/src/qr_code_scanner.dart)

1 _QRViewState.updateDimensions (package:qr_code_scanner/src/qr_code_scanner.dart:91:57)

2 LifecycleEventHandler.didChangeAppLifecycleState (package:qr_code_scanner/src/lifecycle_event_handler.dart:15:29)

3 WidgetsBinding.handleAppLifecycleStateChanged (package:flutter/src/widgets/binding.dart:703:16)

4 ServicesBinding._handleLifecycleMessage (package:flutter/src/services/binding.dart:250:5)

5 BasicMessageChannel.setMessageHandler. (package:flutter/src/services/platform_channel.dart:77:49)

6 BasicMessageChannel.setMessageHandler. (package:flutter/src/services/platform_channel.dart:76:47)

7 _DefaultBinaryMessenger.setMessageHandler. (package:flutter/src/services/binding.dart:380:35)

8 _DefaultBinaryMessenger.setMessageHandler. (package:flutter/src/services/binding.dart:377:46)

9 _invoke2. (dart:ui/hooks.dart:190:15)

10 _rootRun (dart:async/zone.dart:1426:13)

11 _CustomZone.run (dart:async/zone.dart:1328:19)

12 _CustomZone.runGuarded (dart:async/zone.dart:1236:7)

13 _invoke2 (dart:ui/hooks.dart:189:10)

14 _ChannelCallbackRecord.invoke (dart:ui/channel_buffers.dart:42:5)

15 _Channel.push (dart:ui/channel_buffers.dart:132:31)

16 ChannelBuffers.push (dart:ui/channel_buffers.dart:329:17)

17 PlatformDispatcher._dispatchPlatformMessage (dart:ui/platform_dispatcher.dart:589:22)

18 _dispatchPlatformMessage (dart:ui/hooks.dart:89:31)

Flutter information [✓] Flutter (Channel stable, 3.0.5, on macOS 12.5 21G72 darwin-arm, locale en-VN) • Flutter version 3.0.5 at /Users/dolphinmobileno1/Documents/flutter3 • Upstream repository https://github.com/flutter/flutter.git • Framework revision f1875d570e (3 weeks ago), 2022-07-13 11:24:16 -0700 • Engine revision e85ea0e79c • Dart version 2.17.6 • DevTools version 2.12.2

Device (please complete the following information):

Additional context Show scan QRCode

mciekurs2 commented 2 years ago

I'm having the same problem. Got report from crashlytics.

Flutter information

• Flutter version 3.0.5 at /home/mc/flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision f1875d570e (4 weeks ago), 2022-07-13 11:24:16 -0700
• Engine revision e85ea0e79c
• Dart version 2.17.6
• DevTools version 2.12.2

Device

AmjadAldya commented 1 year ago

I'm having the same problem

Frank3K commented 1 year ago

We also faced this issue and provided a PR with a fix: https://github.com/juliuscanute/qr_code_scanner/pull/696.