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ios - 在 Xcode 升级后 Flutter iOS 构建失败错误并带有多个命令

问题描述

在 mac 中升级到 Xcode 10.0 版本后，Flutter iOS 构建失败。

Nagendras-MacBook-Pro:uaenumber nagendra$ flutter run
Launching lib/main.dart on iPhone X in debug mode...
Starting Xcode build...
Xcode build done.                                            1.4s
Failed to build iOS app
Error output from Xcode build:
↳
    ** BUILD FAILED **

Xcode's output:
↳
    error: Multiple commands produce '/Users/dev/Documents/projects/Personal/uaenumber/build/ios/Debug-iphonesimulator/Runner.app/Frameworks/Flutter.framework':
    1) Target 'Runner' has copy command from '/Users/dev/Documents/projects/Personal/uaenumber/ios/Flutter/Flutter.framework' to '/Users/dev/Documents/projects/Personal/uaenumber/build/ios/Debug-iphonesimulator/Runner.app/Frameworks/Flutter.framework'
    2) That command depends on command in Target 'Runner': script phase “[CP] Embed Pods Frameworks”
    warning: The use of Swift 3 @objc inference in Swift 4 mode is deprecated. Please address deprecated @objc inference warnings, test your code with “Use of deprecated Swift 3 @objcinference” logging enabled, and then disable inference by changing the "Swift 3 @objc Inference" build setting to "Default" for the "Runner" target. (in target 'Runner')
    warning: ignoring duplicated output file: '/Users/nagendra/Documents/projects/Personal/uaedialer/build/ios/Debug-iphonesimulator/Runner.app/Frameworks/Flutter.framework' (in target 'Runner')
    note: Using new build systemnote: Planning buildnote: Constructing build description
Could not build the application for the simulator.
Error launching application on iPhone X.

Xcode 版本 - 10.0 (10A255)

我尝试重新创建项目并将所有源文件复制到新项目文件夹，但它没有解决问题。

标签： iosiphonexcodeflutterflutter-ios

解决方案

这个解决方案对我有用。

  1. 打开 ios/Runner.xcworkspace 在项目导航器侧边栏中选择 Runner 项目。
  2. 在主视图中，选择 Runner 目标，然后选择 Build Phases 选项卡。
  3. 展开 Embed Frameworks 阶段并从嵌入式框架列表中选择 Flutter.framework。
  4. 点击 - 从列表中移除 Flutter.framework（一定要保留 App.framework）。

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