Android Studio无法运行Xcode模拟器 [英] Android Studio cannot run the Xcode Simulator

问题描述

我正在尝试使用Xcode iPhone Simulator模拟Flutter应用程序，但出现此错误.在升级Android Studio和Xcode之前，它工作正常.

I am trying to simulate my Flutter app with the Xcode iPhone Simulator and I get this error. Before upgrading Android Studio and Xcode it was working fine.

Launching lib/main.dart on iPhone X in debug mode...
Starting Xcode build...
Xcode build done.
Failed to build iOS app
Error output from Xcode build:
↳
    ** BUILD FAILED **
    
Xcode's output:
↳
    error: Multiple commands produce '/Users/User/AndroidStudioProjects/my_app/build/ios/Debug-iphonesimulator/Runner.app/Frameworks/Flutter.framework':
    1) Target 'Runner' has copy command from '/Users/User/AndroidStudioProjects/my_app/ios/Flutter/Flutter.framework' to '/Users/User/AndroidStudioProjects/my_app/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: ignoring duplicated output file: '/Users/User/AndroidStudioProjects/my_app/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.

使用:

• macOS 10.13.6(17G65)
• Android Studio 3.2内部版本#AI-181.5540.7.32.5014246，建于2018年9月18日
• Xcode 10.0(10A255)
• Xcode Simulator 10.0(SimulatorApp-869.5 CoreSimulator-572.2)

推荐答案

应在 master 频道

https://github.com/flutter/flutter/issues/20685#issuecomment-421511890

解决方法

有两种解决方法:

Workarounds

There are two workarounds:

• 选项1:使用旧版构建系统.如@ gi097所述，打开 ios/Runner.xcworkspace ，然后将构建系统更改为 Legacy Build系统.
• 选项2:使用新的Xcode 10构建系统.

• Option 1: Use the legacy build system . As noted by @gi097, open ios/Runner.xcworkspace, and change the build system to Legacy Build System.
• Option 2: Use the new Xcode 10 build system.

1. 打开 ios/Runner.xcworkspace
2. 在项目导航器侧边栏中选择 Runner 项目.
3. 在主视图中，选择 Runner 目标，然后选择 Build Phases 标签.
4. 展开 Embed Frameworks 阶段，然后从嵌入式框架列表中选择 Flutter.framework .
5. 单击-从列表中删除 Flutter.framework (请确保保持 App.framework )

1. Open ios/Runner.xcworkspace
2. Select the Runner project in the project navigator sidebar.
3. In the main view, select the Runner target, then select the Build Phases tab.
4. Expand the Embed Frameworks phase and select Flutter.framework from the embedded frameworks list.
5. Click - to remove Flutter.framework from the list (be sure to keep App.framework).

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