search

pinkfish / flutter_native_timezone

Apache License 2.0
75 stars 152 forks source link

Unhandled Exception: Null check operator used on a null value #36

Open louniv opened 2 years ago

louniv commented 2 years ago

Hi, I am getting the below error while initializing the time zone in main method.

Error: [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: Null check operator used on a null value E/flutter (23742): #0 MethodChannel.binaryMessenger (package:flutter/src/services/platform_channel.dart:121:86) E/flutter (23742): #1 MethodChannel._invokeMethod (package:flutter/src/services/platform_channel.dart:146:36) E/flutter (23742): #2 MethodChannel.invokeMethod (package:flutter/src/services/platform_channel.dart:329:12) E/flutter (23742): #3 FlutterNativeTimezone.getLocalTimezone (package:flutter_native_timezone/flutter_native_timezone.dart:17:24) E/flutter (23742): #4 configureLocalTimeZone (package:myapp/main.dart:48:60) E/flutter (23742): #5 main (package:lotusfeet/main.dart:16:9) E/flutter (23742): #6 _runMainZoned.. (dart:ui/hooks.dart:145:25) E/flutter (23742): #7 _rootRun (dart:async/zone.dart:1428:13) E/flutter (23742): #8 _CustomZone.run (dart:async/zone.dart:1328:19) E/flutter (23742): #9 _runZoned (dart:async/zone.dart:1863:10) E/flutter (23742): #10 runZonedGuarded (dart:async/zone.dart:1851:12) E/flutter (23742): #11 _runMainZoned. (dart:ui/hooks.dart:141:5) E/flutter (23742): #12 _delayEntrypointInvocation. (dart:isolate-patch/isolate_patch.dart:283:19) E/flutter (23742): #13 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:184:12)

Please look into it. Regards, Shyam

ublanke commented 2 years ago

Same issue, for iOS and Android, FlutterNativeTimezone.getLocalTimezone() always returns Null... (solved) I had called it too early in the app life cycle.