flutter 更新 3.9.0遇到的问题

sockstack / 231 / 2023-11-14 11:50:49

ChatGPT 可用网址，仅供交流学习使用，如对您有所帮助，请收藏并推荐给需要的朋友。 <a href="https://ckai.xyz/?sockstack&section=detail" target="__blank">https://ckai.xyz</a> <article class="_2rhmJa"><ul>
<li>问题：新建项目卡住 
解决：换源，并配置到环境变量</li>
<li>问题：Flutter assets will be downloaded from <a href="https://links.jianshu.com/go?to=https%3A%2F%2Fstorage.flutter-io.cn" target="_blank">https://storage.flutter-io.cn</a>. Make sure you trust this source! 
解决：忽略不影响</li>
<li>问题：Build failed due to use of deprecated Android v1 embedding. 
解决：使用了flutter v2的sdk编译项目，而你的项目是旧的v1时候开发的, 
<a href="https://links.jianshu.com/go?to=https%3A%2F%2Fgithub.com%2Fflutter%2Fflutter%2Fwiki%2FUpgrading-pre-1.12-Android-projects" target="_blank">Upgrading pre 1.12 Android projects · flutter/flutter Wiki (github.com)</a>
</li>
<li>问题：pub get failed exit code: 69 
解决：查看flutter doctor，修复问题</li>
<li>问题： Windows Version (Unable to confirm if installed Windows version is 10 or greater) 
解决：切换flutter渠道 
[1] 在cmd输入flutter channel 查看自己的flutter channel版本 
[2] 输入flutter channel master，将flutter版本切换为master 
[3]输入flutter upgrade 确保flutter更新到了最新版本 
[4]输入 flutter doctor 再次检查是否解决</li>
<li>问题：flutter assemble --output directory is required for assemble. 
解决：</li>
<li>问题：flutter Failed to download</li>
</ul>
<div class="_2Uzcx_">
<button class="VJbwyy" type="button" aria-label="复制代码"><svg viewbox="64 64 896 896" focusable="false" class="" data-icon="copy" width="1em" height="1em" fill="currentColor" aria-hidden="true"><path d="M832 64H296c-4.4 0-8 3.6-8 8v56c0 4.4 3.6 8 8 8h496v688c0 4.4 3.6 8 8 8h56c4.4 0 8-3.6 8-8V96c0-17.7-14.3-32-32-32zM704 192H192c-17.7 0-32 14.3-32 32v530.7c0 8.5 3.4 16.6 9.4 22.6l173.3 173.3c2.2 2.2 4.7 4 7.4 5.5v1.9h4.2c3.5 1.3 7.2 2 11 2H704c17.7 0 32-14.3 32-32V224c0-17.7-14.3-32-32-32zM350 856.2L263.9 770H350v86.2zM664 888H414V746c0-22.1-17.9-40-40-40H232V264h432v624z"></path></svg></button><pre class="line-numbers language-php"><code class=" language-php">https://storage.flutter-io.cn/flutter_infra_release/flutter/d492b8b3a56729397743957de82be7cc1c6f4c6d/windows-x64-debug/w
indows-x64-flutter.zip. Ensure you have network connectivity and then try again.
Exception: 503
</code></pre>
</div>
解决：检查是否有代理，或者检查网络
<ul>
<li>问题：flutter run andorid 报错Target file "android" not found 
解决：flutter -d b7ec9ed0 run</li>
<li>问题：Exception in thread "main" java.net.ConnectException: Connection timed out: connect 
解决：连接超时，是因为distributionUrl的网址被墙了，所以连接的时候总是连接不上。添加阿里镜像可以解决问题。</li>
</ul>
<div class="_2Uzcx_">
<button class="VJbwyy" type="button" aria-label="复制代码"><svg viewbox="64 64 896 896" focusable="false" class="" data-icon="copy" width="1em" height="1em" fill="currentColor" aria-hidden="true"><path d="M832 64H296c-4.4 0-8 3.6-8 8v56c0 4.4 3.6 8 8 8h496v688c0 4.4 3.6 8 8 8h56c4.4 0 8-3.6 8-8V96c0-17.7-14.3-32-32-32zM704 192H192c-17.7 0-32 14.3-32 32v530.7c0 8.5 3.4 16.6 9.4 22.6l173.3 173.3c2.2 2.2 4.7 4 7.4 5.5v1.9h4.2c3.5 1.3 7.2 2 11 2H704c17.7 0 32-14.3 32-32V224c0-17.7-14.3-32-32-32zM350 856.2L263.9 770H350v86.2zM664 888H414V746c0-22.1-17.9-40-40-40H232V264h432v624z"></path></svg></button><pre class="line-numbers language-rust"><code class=" language-rust">maven { url 'https://maven.aliyun.com/repository/google' }
maven { url 'https://maven.aliyun.com/repository/central' }
maven { url 'https://maven.aliyun.com/repository/jcenter' }
maven { url 'https://maven.aliyun.com/nexus/content/groups/public' }
</code></pre>
</div>
<ul>
<li>问题：flutter create 指令 
解决： flutter create --org com.chatgpt.client chatgpt_client</li>
<li>问题：flutter run 指令 
解决：flutter -d b7ec9ed0 run</li>
<li>问题：No file or variants found for asset: messages.json. 
解决：检查assets下message.json是否存在， 
检查pubspec.yaml 下assets: - assets/是否正确</li>
<li>问题：flutter doctor 卡住 
解决：等待，一般不会特别久</li>
<li>问题：java.lang.NoClassDefFoundError: org/jetbrains/kotlin/gradle/plugin/KotlinBasePlugin 
解决：kotlin插件版本错误，最新版的1.8.20移除该类 
kotlin 插件与agp的对应关系，可以查询 
<a href="https://links.jianshu.com/go?to=https%3A%2F%2Frepo.maven.apache.org%2Fmaven2%2Forg%2Fjetbrains%2Fkotlin%2Fkotlin-gradle-plugin%2F" target="_blank">kotlin-gradle-plugin远程仓库 </a> 
或者官方说明 
<a href="https://links.jianshu.com/go?to=https%3A%2F%2Fkotlinlang.org%2Fdocs%2Fgradle-configure-project.html%23apply-the-plugin" target="_blank">Configure a Gradle project | Kotlin Documentation (kotlinlang.org)</a>
</li>
<li>问题：The constructor being called isn't a const constructor. 
解决：dart新版本的语法检查导致，<a href="https://links.jianshu.com/go?to=https%3A%2F%2Fdart.dev%2Ftools%2Fdiagnostic-messages%3Futm_source%3Ddartdev%26utm_medium%3Dredir%26utm_id%3Ddiagcode%26utm_content%3Dconst_with_non_const%23const_with_non_const" target="_blank">Diagnostic messages | Dart</a>， 
增加构造函数const Home({super.key});或者使用StatefulWidget，</li>
<li>问题：Navigator operation requested with a context that does not include a Navigator 
解决：检查代码，main中需要StatelessWidget，home为StatefulWidget</li>
<li>问题：可点击范围太小 
解决：behavior: HitTestBehavior.opaque,或者用背景色填充</li>
<li>问题：Unsupported operation: Platform._operatingSystem 
解决：web平台优先判断</li>
<li>问题：cannot modify unmodifiable map 
解决：未定位，修改代码解决</li>
<li>问题：Trying to load an image from another domain 
解决：flutter run -d chrome --web-renderer html</li>
<li>问题：flutter Web 项目网络请求报 XMLHttpRequest error 
解决：</li>
</ul>
<ol>
<li>找到flutter sdk目录</li>
<li>然后找到flutter\packages\flutter_tools\lib\src\web\chrome.dart文件并打开</li>
<li>找到'--disable-extensions'位置，然后添加'--disable-web-security'</li>
<li>另外还需要到flutter\bin\cache目录下，删除flutter_tools.stamp和flutter_tools.snapshot的文件，否则改动不生效</li>
</ol>
</article>

作者

sockstack

许可协议

CC BY 4.0

发布于

2023-11-14

修改于

2024-12-21

上一篇：软件：常用 Linux 软件汇总，值得收藏下一篇：macvtap使用教程

尚未登录

flutter 更新 3.9.0遇到的问题

文章分类

博客重构之路

Spring Boot简单入门

k8s 入门教程

MySQL 知识

NSQ 消息队列

ThinkPHP5 源码分析

使用 Docker 从零开始搭建私人代码仓库

日常开发汇总

标签列表

springboot

hyperf

swoole

webman

php

多线程

数据结构

docker

k8s

thinkphp

mysql

tailwindcss

flowbite

css

前端