flutter 更新 3.9.0遇到的问题

sockstack / 151 / 2023-11-15 00:50:49

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

2023-11-15

修改于

2024-05-19

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