针对你遇到的错误 [error:flutter/runtime/dart_vm_initializer.cc(41)] unhandled exception: null,以下是一些可能的原因、解决方案和调试建议: 1. 错误原因分析 空指针异常:在Dart或Flutter中,尝试访问或操作一个未初始化的对象(即null)时,会抛出空指针异常。这通常发生在未正确检查对象是否为null的情况下。 初...
正在使用flutter三方库的时候,仔细对照着github库说明,发现各种权限,都添加了,但是点击就是报错。 解决方案: 重启Android Studio
import 'package:flutter/material.dart'; import 'dart:io'; var receiver; void main() async { WidgetsFlutterBinding.ensureInitialized(); runApp( const MyApp(), ); } class MyApp extends StatefulWidget { const MyApp({Key? key}) : super(key: key); @override _MyAppState createState() => _...
[ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: 'dart:ui/platform_dispatcher.dart': Failed assertion: line 1840 pos 15: '<optimized out>': is not true. E/flutter ( 6491): #0 _AssertionError._doThrowNew (dart:core-patch/errors_patch.dart:51:61) E/flutter ( ...
提高生产数量与产品质量始终是制造业努力追求的目标，工业4.0更勾勒出智能制造的美好愿景，促使被制造业...
https://pub.flutter-io.cn/packages/scan 接入扫描时用到这个插件,我的flutter版本3.3.0android跳转到扫描页面时报错 E/flutter:[ERROR:flutter/runtime/dart_vm_initializer.cc(41)]Unhandled Exception:PlatformException(error,java.lang.IllegalStateException:Unexpected platform view context.When constructing a pl...
E/flutter ( 5116): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: [firebase_messaging/unknown] java.io.IOException: java.util.concurrent.ExecutionException: java.io.IOException: AUTHENTICATION_FAILED E/flutter ( 5116): #0 StandardMethodCodec.decodeEnvelope (package:flutter/...
发生此错误是因为您使用了与ChangeNotifierProvider的父级相关的context，请尝试将您的函数放入addPostFrameCallback中：
停止您的应用程序并重新启动或卸载并再次安装它可能会解决这个问题！：]
E/flutter (21267): [ERROR:flutter/runtime/dart_vm_initializer.cc(41)] Unhandled Exception: HttpException: Connection closed before full header was received, uri = http:///xxx.xxx.x.xxx:9092/ws E/flutter (21267): I/flutter (21267): WebSocket error: HttpException: Connection closed before ...