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我按照 Flutter 文档进行了安装等操作。下载了 Zip 并解压缩到我自己的开发目录。我添加了颤振路径。

export PATH="/Users/me/dev/flutter/bin:$PATH"

经测试的颤振医生

$ flutter doctor -v
[✓] Flutter (Channel stable, 1.22.6, on macOS 11.2.1 20D75 darwin-x64, locale
    en-US)
    • Flutter version 1.22.6 at /Users/me/dev/flutter
    • Framework revision 9b2d32b605 (5 weeks ago), 2021-01-22 14:36:39 -0800
    • Engine revision 2f0af37152
    • Dart version 2.10.5


[✓] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
    • Android SDK at /Users/me/Library/Android/sdk
    • Platform android-30, build-tools 30.0.3
    • Java binary at: /Applications/Android
      Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build
      1.8.0_242-release-1644-b3-6915495)
    • All Android licenses accepted.

[✓] Xcode - develop for iOS and macOS (Xcode 12.4)
    • Xcode at /Applications/Xcode.app/Contents/Developer
    • Xcode 12.4, Build version 12D4e
    • CocoaPods version 1.10.1

[✓] Android Studio (version 4.1)
    • Android Studio at /Applications/Android Studio.app/Contents
    • Flutter plugin installed
    • Dart plugin version 201.9317
    • Java version OpenJDK Runtime Environment (build
      1.8.0_242-release-1644-b3-6915495)

[✓] IntelliJ IDEA Community Edition (version 2020.3.2)
    • IntelliJ at /Applications/IntelliJ IDEA CE.app
    • Flutter plugin installed
    • Dart plugin version 203.6912


[✓] Connected device (1 available)
    • iPhone 11 Pro (mobile) • 95B08A93-656C-42F9-AD8B-AF2325CFCAF2 • ios •
      com.apple.CoreSimulator.SimRuntime.iOS-14-4 (simulator)

• No issues found!


/Users/me/dev/flutter/bin/flutter
/Users/me/dev/flutter/bin/dart

然后根据文档设置了Xcode。最后从命令行创建了flutter项目，然后flutter运行。

Launching lib/main.dart on iPhone 11 Pro in debug mode...

Running Xcode build...
└─Compiling, linking and signing...                         4.2s
Xcode build done.                                           48.4s
Failed to build iOS app
Error output from Xcode build:
↳
   ** BUILD FAILED **


Xcode's output:
↳
   error: unable to spawn process
   '/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain
   /usr/bin' (Permission denied) (in target 'Runner' from project 'Runner')
   warning: Could not read serialized diagnostics file: error("Failed to open
   diagnostics file") (in target 'Runner' from project 'Runner')
   error: unable to spawn process
   '/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain
   /usr/bin' (Permission denied) (in target 'Runner' from project 'Runner')
   warning: Could not read serialized diagnostics file: error("Failed to open
   diagnostics file") (in target 'Runner' from project 'Runner')
   note: Using new build system
   note: Building targets in parallel
   note: Planning build
   note: Constructing build description

无法为模拟器构建应用程序。在 iPhone 11 Pro 上启动应用程序时出错。

对这个问题有什么想法吗？

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1 回答 1

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尝试使用 Xcode 打开 ios 文件夹并运行它！

于 2021-03-01T03:00:19.147 回答