Flutter:Error: Getter not found：'suspending‘。案例AppLifecycleState.suspending - 腾讯云开发者社区

文章/答案/技术大牛

发布

【错误记录】Flutter 构建报错 ( Error: Method not found: ‘CupertinoModalPopupRoute‘. | 下载最新 Flutter SDK 版本 )

文章目录一、报错信息二、问题分析三、解决方案一、报错信息 ---- 参考【Flutter】Flutter Gallery 官方示例简介博客 ; Flutter Galley 开源项目运行时...Running Gradle task 'assembleDebug'... lib/demos/cupertino/cupertino_alert_demo.dart:240:12: Error: Method...not found: 'CupertinoModalPopupRoute'....* Where: Script 'Y:\001_DevelopTools\010_Flutter\flutter_windows_2.0.2-stable\flutter\packages\flutter_tools...'. > Process 'command 'Y:\001_DevelopTools\010_Flutter\flutter_windows_2.0.2-stable\flutter\bin\flutter.bat

1K1 0

【错误记录】Flutter Android 报错 ( AAPT: error: attribute android:requestLegacyExternalStorage not found )

文章目录一、报错信息二、问题分析三、解决方案一、报错信息 ---- Flutter 使用 image_picker 时 , 需要进行 AndroidX 兼容 , 设置了 Android...\flutter_photo\android\app\src\main\AndroidManifest.xml:9:5-31:19: AAPT: error: attribute android:requestLegacyExternalStorage...not found...Gradle task assembleDebug failed with exit code 1 二、问题分析 ---- 在 image_picker 插件的 Android 配置中导致上述问题 ; 【Flutter...】Flutter 拍照示例 ( Flutter 插件配置 | Flutter 插件源码示例 | iOS 应用配置 | Android 应用配置 ) 四、Android 应用配置配置 Android 工程时

1.7K2 0

您找到你想要的搜索结果了吗？

是的

没有找到

写给前端工程师的Flutter教程

toc Flutter 是什么？ Flutter 为什么快？Flutter 相比 RN 的优势在哪里？...Web, Flutter Desktop Flutter 是什么？...Flutter 为什么快？Flutter 相比 RN 的优势在哪里？从架构中实际上已经能看出 Flutter 为什么快，至少相比之前的当红炸子鸡 React Native 快的原因了。...case AppLifecycleState.resumed: print('AppLifecycleState.resumed'); break; case AppLifecycleState.suspending...: print('AppLifecycleState.suspending'); break; } super.didChangeAppLifecycleState

2.1K5 0

【Flutter】348- 写给前端工程师的 Flutter 教程

目前来说Flutter可能是其中最优秀的一种方案了。 Flutter 是什么？...case AppLifecycleState.resumed: print('AppLifecycleState.resumed'); break; case AppLifecycleState.suspending...: print('AppLifecycleState.suspending'); break; } super.didChangeAppLifecycleState...Flutter platform channels Flutter Web, Flutter Desktop 这些还在开发当中，鉴于对 Dart 喜欢，以及对 Flutter 性能的乐观，这些倒是很值得期待...Flutter Web 架构还记得平台只是给 Flutter 提供一个画布么，Flutter Desktop 未来更是可以大有可为。

1.3K1 0

鸿蒙 Flutter 运行到多平台

鸿蒙 Flutter 运行到多平台上一节，我们项目创建好了，这一节，我们看一下，如何跑到不同的设备上我们首先执行 flutter devices，有用哦 jianguo@nutpi gitbook_flutter...% flutter devices Found 6 connected devices: 127.0.0.1:5555 (mobile) • 127.0.0.1...: failed to install bundle. code:9568347 error: install parse native so failed. , stderr= Error: Failed...Error launching application on 7001005458323933328a00fce13e3800....备注作者：坚果链接：https://www.nutpi.net/ 出处：https://www.arkui.club/ 来源：坚果派著作权归作者所有，禁止任何未经授权的个人或组织以任何形式将本案例集及其附属资料

3880 0

【错误记录】Flutter 组件报错 ( No Directionality widget found. | RichText widgets require a Directionality )

========= The following assertion was thrown building Text("动画状态 : null"): No Directionality widget found...The relevant error-causing widget was: Text file:///D:/002_Project/002_Android_Learn/flutter_animation...by widgets library ======================================================= No Directionality widget found...The relevant error-causing widget was: Text file:///D:/002_Project/002_Android_Learn/flutter_animation...The relevant error-causing widget was: Column file:///D:/002_Project/002_Android_Learn/flutter_animation

1.3K2 0

源码分析 spring事务处理机制

resume(null, suspendedResources); throw ex; } catch (Error...TransactionDefinition.PROPAGATION_NEVER) { throw new IllegalTransactionStateException( "Existing transaction found...TransactionDefinition.PROPAGATION_NOT_SUPPORTED) { if (debugEnabled) { logger.debug("Suspending...TransactionDefinition.PROPAGATION_REQUIRES_NEW) { if (debugEnabled) { logger.debug("Suspending...resumeAfterBeginException(transaction, suspendedResources, beginEx); throw beginEx; } catch (Error

1K14 0

源码分析 spring事务处理机制

throw new IllegalTransactionStateException( "No existing transaction found...resume(null, suspendedResources); throw ex; } catch (Error...throw new IllegalTransactionStateException( "Existing transaction found...TransactionDefinition.PROPAGATION_REQUIRES_NEW) { if (debugEnabled) { logger.debug("Suspending...suspendedResources, beginEx); throw beginEx; } catch (Error

82910 0

Flutter Network Info Plus 鸿蒙适配要点总结

概述 Network Info Plus 是一个流行的 Flutter 插件，用于获取设备的网络信息，包括 Wi-Fi 名称、BSSID、IP 地址等。...创建 ohos 模块 flutter create ....插件架构鸿蒙端实现采用标准的 Flutter 插件架构： export default class NetworkInfoPlusOhosPlugin implements FlutterPlugin...) { console.error("获取WiFi信息失败:", error); return null; } 3....> Function() getter, String errorMsg) async { try { return await getter(); } on PlatformException

3551 0

【错误记录】Flutter 界面报错 ( No MediaQuery widget ancestor found. | Scaffold widgets require a MediaQuery )

Error: ADB exited with exit code 1 Performing Streamed Install adb: failed to install D:\002_Project...========== The following assertion was thrown building HeroAnimation: No MediaQuery widget ancestor found...chain for the affected widget is: "Scaffold ← HeroAnimation ← [root]" No MediaQuery ancestor could be found...The relevant error-causing widget was: HeroAnimation file:///D:/002_Project/002_Android_Learn/flutter_animation...:flutter/src/widgets/debug.dart:234:4) #2 MediaQuery.of (package:flutter/src/widgets/media_query.dart

7564 0

Flutter之GetX依赖注入使用详解

id: 1643282192014 [GETX] CLOSE TO ROUTE /PageB [GETX] "User" deleted from memory /// page a find error...E/flutter (31878): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: "User" not found...id: 1643276329589 [GETX] CLOSE TO ROUTE /PageB [GETX] "User" deleted from memory /// page a find error...E/flutter (31878): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: "User" not found...E/flutter (31878): [ERROR:flutter/lib/ui/ui_dart_state.cc(209)] Unhandled Exception: "User" not found

2.1K3 1

聊聊spring事务的propagation

TransactionDefinition.PROPAGATION_NEVER) {throw new IllegalTransactionStateException("Existing transaction found...definition.getPropagationBehavior() == TransactionDefinition.PROPAGATION_NOT_SUPPORTED) {if (debugEnabled) {logger.debug("Suspending...definition.getPropagationBehavior() == TransactionDefinition.PROPAGATION_REQUIRES_NEW) {if (debugEnabled) {logger.debug("Suspending...transaction, definition);prepareSynchronization(status, definition);return status;}catch (RuntimeException | Error

2610 0

【11】Spring源码-分析篇-事务源码分析

首先准备如下两张表[案例讲解以MYSQL为主] -- MYSQL CREATE TABLE t_user ( id varchar(30) NOT NULL, user_name varchar...startTransaction(def, transaction, debugEnabled, suspendedResources); } catch (RuntimeException | Error...catch (Exception e) { // 4、异常了，回滚事务 txManager.rollback(status); throw e; } } 2.2 AOP事务上面的案例代码我们可以看到在...= null) { logger.error("Application exception overridden by commit exception", throwableHolder.throwable...= null) { logger.error("Application exception overridden by commit exception", throwableHolder.throwable

1.9K3 0

鸿蒙Flutter实战：10-常见问题集合

学习路径应该是怎样的，需要掌握哪些技术才具备鸿蒙 Flutter 开发能力1.1 学习和掌握 Flutter 开发技术，这块需要在Flutter社区学历 Flutter开发文档1.2 学习鸿蒙基础概念和知识...4. debug 版本运行报错Error while initializing the Dart VM依次执行以下操作设置环境变量 export FLUTTER_STORAGE_BASE_URL=https...://flutter-ohos.obs.cn-south-1.myhuaweicloud.com删除 /bin/cache 目录下的缓存执行 flutter clean，清除项目编译缓存运行 flutter...found-e ERROR: NODE_HOME: /Applications/DevEco-Studio.app/Contents/tools/ohpm/bin/ohpm: line 11: /node...参考资料Flutter SDK 仓库-常见问题

4331 0

【错误记录】Flutter 使用 MediaQuery 适配全面屏报错 ( No MediaQuery widget ancestor found. )

文章目录一、报错信息二、解决方案一、报错信息 ---- 需要使用 MediaQuery 获取当前的 Padding ; import 'package:flutter/material.dart'...=========== The following assertion was thrown building MyApp(dirty): No MediaQuery widget ancestor found...dirty The ownership chain for the affected widget is: "MyApp ← [root]" No MediaQuery ancestor could be found...The relevant error-causing widget was: MyApp file:///D:/002_Project/002_Android_Learn/flutter_screen_adaption...:flutter/src/widgets/debug.dart:234:4) #2 MediaQuery.of (package:flutter/src/widgets/media_query.dart

7652 0

聊聊spring事务的propagation

TransactionDefinition.PROPAGATION_NEVER) { throw new IllegalTransactionStateException( "Existing transaction found...definition.getPropagationBehavior() == TransactionDefinition.PROPAGATION_NOT_SUPPORTED) { if (debugEnabled) { logger.debug("Suspending...definition.getPropagationBehavior() == TransactionDefinition.PROPAGATION_REQUIRES_NEW) { if (debugEnabled) { logger.debug("Suspending...prepareSynchronization(status, definition); return status; } catch (RuntimeException | Error

3382 0

使用Burp拦截Flutter App与其后端的通信

当向Burp发送HTTPS流量时，Flutter应用程序实际上会抛出一个错误，我们可以将其作为起点： E/flutter (10371): [ERROR:flutter/runtime/dart_isolate.cc...(805)] Unhandled exception: E/flutter (10371): HandshakeException: Handshake error in client (OS Error...OPENSSL_PUT_ERROR是err.h中第418行被定义的宏，其中包含源文件名。这与用于Flutter应用程序的错误的宏相同。...m.base, m.size, pattern, { onMatch: function(address, size){ console.log('[+] ssl_verify_result found...--no-pause [LGE Nexus 5::be.nviso.flutter_app]-> [+] ssl_verify_result found at: 0x9a7f7040 All done

3.2K0 0

Flutter入门第一讲：环境搭建（mac os为例）

步骤三、运行flutter doctor命令设置好环境变量以后可以在终端任何地方运行flutter doctor命令，如未设置，需跳转到flutter所在目录运行。...Doctor found issues in 4 categories. maomaodeMacBook-Pro:demo maomao$ 从诊断结果来看，我还有两个步骤没有完成。...doctor，发现报如下错误： ⣷Unhandled exception: Exception: ideviceinfo returned an error: ERROR: Could not connect...to lockdownd, error code -8 解决办法：运行sudo chmod -R 777 /var/db/lockdown，输入密码。...Doctor found issues in 1 category. 以上就是环境搭建的整个过程，下一篇给大家讲如何用flutter运行最简单的应用“hello world”，敬请期待！祝你成功！

2.6K2 0

牛皮的程序猿后端返回值怎么定义

接下来我们拆解一下，首先，通过观察，一定要有状态码，也就是案例中的 code 和 ret ，通过状态码可以知道当前程序哪里出了问题，比如 200 就是成功。...ApiResponse(ResponseStatus status, T data) { this(status); this.data = data; } // Getter...// 定义状态码枚举public enum ResponseStatus { SUCCESS(200, "操作成功"), ERROR(500, "服务器内部错误"), BAD_REQUEST...(400, "请求参数错误"), NOT_FOUND(404, "资源未找到"), UNAUTHORIZED(401, "未授权"), FORBIDDEN(403, "禁止访问");...) .body(new ApiResponse(ResponseStatus.ERROR)); }}这里使用了 Spring 自带的返回结构体

3611 0

Flutter与Dart 入门

Flutter是什么 Flutter是谷歌的移动UI框架，可以快速在iOS和Android上构建高质量的原生用户界面。 Flutter可以与现有的代码一起工作。...print(e); } try { 1 ~/ 0; } on IntegerDivisionByZeroException { // 捕获指定类型的异常 print("error..."); // 打印出error } finally { print("over"); // 打印出over } 类（Class）不需要用private, protected, public...this.gender); sayHello() { print("hello, this is $name, I am $age years old, I am a $gender"); } } getter...width, height几个参数 Rectangle(this.left, this.top, this.width, this.height); // right, bottom两个成员变量提供getter

1.7K2 0

点击加载更多

【错误记录】Flutter 构建报错 ( Error: Method not found: ‘CupertinoModalPopupRoute‘. | 下载最新 Flutter SDK 版本 )

【错误记录】Flutter Android 报错 ( AAPT: error: attribute android:requestLegacyExternalStorage not found )

写给前端工程师的Flutter教程

【Flutter】348- 写给前端工程师的 Flutter 教程

鸿蒙 Flutter 运行到多平台

【错误记录】Flutter 组件报错 ( No Directionality widget found. | RichText widgets require a Directionality )

源码分析 spring事务处理机制

源码分析 spring事务处理机制

Flutter Network Info Plus 鸿蒙适配要点总结

【错误记录】Flutter 界面报错 ( No MediaQuery widget ancestor found. | Scaffold widgets require a MediaQuery )

Flutter之GetX依赖注入使用详解

聊聊spring事务的propagation

【11】Spring源码-分析篇-事务源码分析

鸿蒙Flutter实战：10-常见问题集合

【错误记录】Flutter 使用 MediaQuery 适配全面屏报错 ( No MediaQuery widget ancestor found. )

聊聊spring事务的propagation

使用Burp拦截Flutter App与其后端的通信

Flutter入门第一讲：环境搭建（mac os为例）

牛皮的程序猿后端返回值怎么定义

Flutter与Dart 入门

相关资讯

热门标签

活动推荐

运营活动

社区

活动

圈层

关于

腾讯云开发者

热门产品

热门推荐

更多推荐