flutter无法使用Xcode11.3构建

Question

更新xcode后，我无法使用xcode构建颤动代码。

每个工具都是

xcode版本为11.3

颤动1.12.13+hotfix.5·通道稳定

Dart 2.7.0

日志如下。

我该怎么解决它呢？

...

/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator13.2.sdk/System/Library/Frameworks/CoreMedia.fr
    amework/Headers/CoreMedia.h:15:10: note: in file included from
    /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator13.2.sdk/System/Library/Frameworks/CoreMedia.fr
    amework/Headers/CoreMedia.h:15:
    #include <CoreMedia/CMFormatDescription.h>
             ^
    /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator13.2.sdk/System/Library/Frameworks/CoreMedia.fr
    amework/Headers/CMFormatDescription.h:26:10: error: could not build module 'CoreAudio'
    #include <CoreAudio/CoreAudioTypes.h>
             ^
    /Users/naohide_a/Workspace/flutter/sample/ios/Runner/Runner-Bridging-Header.h:1:9: note: in file included from
    /Users/naohide_a/Workspace/flutter/sample/ios/Runner/Runner-Bridging-Header.h:1:
    #import "GeneratedPluginRegistrant.h"
            ^
    /Users/naohide_a/Workspace/flutter/sample/ios/Runner/GeneratedPluginRegistrant.h:8:9: error: could not build module 'Flutter'
    #import <Flutter/Flutter.h>
            ^
    192 errors generated.
    <unknown>:0: error: failed to emit precompiled header
    '/Users/naohide_a/Library/Developer/Xcode/DerivedData/Runner-gfrbptjupluobbdhelljevlsxpqy/Build/Intermediates.noindex/PrecompiledHeaders/Runner-Bridging-He
    ader-swift_16EJIZIOPB8S-clang_KLU4EDN5EN1U.pch' for bridging header '/Users/naohide_a/Workspace/flutter/sample/ios/Runner/Runner-Bridging-Header.h'
    <unknown>:0: error: generate-pch command failed with exit code 1 (use -v to see invocation)
    note: Using new build system
    note: Planning build
    note: Constructing build description

Could not build the application for the simulator.
Error launching application on iPhone 11 Pro Max.

Answer 1

我将flutter降级为v1.12.13+hotfix.6，将xcode降级为11.2.1。

最终为我工作得很好。