Flutter：无法构建 iOS 项目
Flutter: Cannot build iOS project
它是在 android 上工作的项目，但是当我尝试在 iOS 上构建时我做不到，如果也遇到这个问题，请与我分享知识。抱歉我的英语不好。
这是日志文件：
Flutter 崩溃报告；请在 https://github.com/flutter/flutter/issues.
提交
命令
flutter build ios --release
异常
ProcessException: ProcessException: 进程异常退出:
命令行调用：
/Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -列表
2020-05-30 10:58:59.614 xcodebuild[22085:408139] Error Domain=NSCocoaErrorDomain Code=3840 "JSON text did not start with array or object and option to allow fragments not set." UserInfo={NSDebugDescription=JSON 文本没有以允许不设置片段的数组或对象和选项。}
xcodebuild：错误：无法读取项目 'Runner.xcodeproj'。
原因：“Runner”项目损坏，解析错误无法打开。检查项目文件是否存在无效编辑或未解决的源代码管理冲突。
路径：/Users/itinternational/AndroidStudioProjects/shipping_driver/ios/Runner.xcodeproj
命令：/usr/bin/xcodebuild -list
#0 RunResult.throwException (package:flutter_tools/src/base/process.dart:172:5)
#1 _DefaultProcessUtils.run (package:flutter_tools/src/base/process.dart:322:19)
<asynchronous suspension>
#2 XcodeProjectInterpreter.getInfo (package:flutter_tools/src/ios/xcodeproj.dart:389:50)
#3 buildXcodeProject (package:flutter_tools/src/ios/mac.dart:108:78)
#4 BuildIOSCommand.runCommand (package:flutter_tools/src/commands/build_ios.dart:83:43)
#5 _rootRunUnary (dart:async/zone.dart:1192:38)
#6 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#7 _FutureListener.handleValue (dart:async/future_impl.dart:141:18)
#8 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
#9 Future._propagateToListeners (dart:async/future_impl.dart:711:32)
#10 Future._completeWithValue (dart:async/future_impl.dart:526:5)
#11 _AsyncAwaitCompleter.complete (dart:async-patch/async_patch.dart:36:15)
#12 _completeOnAsyncReturn (dart:async-patch/async_patch.dart:298:13)
#13 ApplicationPackageStore.getPackageForPlatform (package:flutter_tools/src/application_package.dart)
#14 _rootRunUnary (dart:async/zone.dart:1192:38)
#15 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#16 _FutureListener.handleValue (dart:async/future_impl.dart:141:18)
#17 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
#18 Future._propagateToListeners (dart:async/future_impl.dart:711:32)
#19 Future._completeWithValue (dart:async/future_impl.dart:526:5)
#20 _AsyncAwaitCompleter.complete (dart:async-patch/async_patch.dart:36:15)
#21 _completeOnAsyncReturn (dart:async-patch/async_patch.dart:298:13)
#22 BuildableIOSApp.fromProject (package:flutter_tools/src/application_package.dart)
#23 _rootRunUnary (dart:async/zone.dart:1192:38)
#24 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#25 _FutureListener.handleValue (dart:async/future_impl.dart:141:18)
#26 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
#27 Future._propagateToListeners (dart:async/future_impl.dart:711:32)
#28 Future._completeWithValue (dart:async/future_impl.dart:526:5)
#29 _AsyncAwaitCompleter.complete (dart:async-patch/async_patch.dart:36:15)
#30 _completeOnAsyncReturn (dart:async-patch/async_patch.dart:298:13)
#31 IosProject.productBundleIdentifier (package:flutter_tools/src/project.dart)
#32 _rootRunUnary (dart:async/zone.dart:1192:38)
#33 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#34 _FutureListener.handleValue (dart:async/future_impl.dart:141:18)
#35 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
#36 Future._propagateToListeners (dart:async/future_impl.dart:711:32)
#37 Future._completeWithValue (dart:async/future_impl.dart:526:5)
#38 _AsyncAwaitCompleter.complete (dart:async-patch/async_patch.dart:36:15)
#39 _completeOnAsyncReturn (dart:async-patch/async_patch.dart:298:13)
#40 IosProject.buildSettings (package:flutter_tools/src/project.dart)
#41 _rootRunUnary (dart:async/zone.dart:1192:38)
#42 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#43 _FutureListener.handleValue (dart:async/future_impl.dart:141:18)
#44 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
#45 Future._propagateToListeners (dart:async/future_impl.dart:711:32)
#46 Future._completeWithValue (dart:async/future_impl.dart:526:5)
#47 _AsyncAwaitCompleter.complete (dart:async-patch/async_patch.dart:36:15)
#48 _completeOnAsyncReturn (dart:async-patch/async_patch.dart:298:13)
#49 XcodeProjectInterpreter.getBuildSettings (package:flutter_tools/src/ios/xcodeproj.dart)
#50 _asyncErrorWrapperHelper.errorCallback (dart:async-patch/async_patch.dart:86:61)
#51 _rootRunBinary (dart:async/zone.dart:1204:38)
#52 _CustomZone.runBinary (dart:async/zone.dart:1093:19)
#53 _FutureListener.handleError (dart:async/future_impl.dart:155:20)
#54 Future._propagateToListeners.handleError (dart:async/future_impl.dart:694:47)
#55 Future._propagateToListeners (dart:async/future_impl.dart:715:24)
#56 Future._completeError (dart:async/future_impl.dart:534:5)
#57 _AsyncAwaitCompleter.completeError (dart:async-patch/async_patch.dart:43:15)
#58 _DefaultProcessUtils.run (package:flutter_tools/src/base/process.dart)
#59 _rootRunUnary (dart:async/zone.dart:1192:38)
#60 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#61 _FutureListener.handleValue (dart:async/future_impl.dart:141:18)
#62 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
#63 Future._propagateToListeners (dart:async/future_impl.dart:711:32)
#64 Future._completeWithValue (dart:async/future_impl.dart:526:5)
#65 Future.wait.<anonymous closure> (dart:async/future.dart:402:22)
#66 _rootRunUnary (dart:async/zone.dart:1192:38)
#67 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#68 _FutureListener.handleValue (dart:async/future_impl.dart:141:18)
#69 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
#70 Future._propagateToListeners (dart:async/future_impl.dart:711:32)
#71 Future._addListener.<anonymous closure> (dart:async/future_impl.dart:391:9)
#72 _rootRun (dart:async/zone.dart:1184:13)
#73 _CustomZone.run (dart:async/zone.dart:1077:19)
#74 _CustomZone.runGuarded (dart:async/zone.dart:979:7)
#75 _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:1019:23)
#76 _microtaskLoop (dart:async/schedule_microtask.dart:43:21)
#77 _startMicrotaskLoop (dart:async/schedule_microtask.dart:52:5)
#78 _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:118:13)
#79 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:169:5)
扑博士
[✓] Flutter (Channel stable, v1.17.2, on Mac OS X 10.15.5 19F96, locale en-KG)
• Flutter version 1.17.2 at /Users/itinternational/Downloads/flutter
• Framework revision 5f21edf8b6 (33 hours ago), 2020-05-28 12:44:12 -0700
• Engine revision b851c71829
• Dart version 2.8.3
[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
• Android SDK at /Users/itinternational/Library/Android/sdk
• Platform android-29, build-tools 29.0.3
• 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-b3-6222593)
• All Android licenses accepted.
[✓] Xcode - develop for iOS and macOS (Xcode 11.5)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 11.5, Build version 11E608c
• CocoaPods version 1.9.3
[✓] Android Studio (version 4.0)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin version 45.1.2
• Dart plugin version 193.7361
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6222593)
[✓] Connected device (1 available)
• iPhone SE (2nd generation) • 9AD7BC02-943F-44FE-A4E3-FED33FE669DE • ios • com.apple.CoreSimulator.SimRuntime.iOS-13-5 (simulator)
• No issues found!
尝试删除您的 ios 文件夹并重新创建它 运行 flutter create -i swift .。可能文件夹里面的东西坏了。
它是在 android 上工作的项目，但是当我尝试在 iOS 上构建时我做不到，如果也遇到这个问题，请与我分享知识。抱歉我的英语不好。
这是日志文件：
Flutter 崩溃报告；请在 https://github.com/flutter/flutter/issues.
提交命令
flutter build ios --release
异常
ProcessException: ProcessException: 进程异常退出: 命令行调用： /Applications/Xcode.app/Contents/Developer/usr/bin/xcodebuild -列表
2020-05-30 10:58:59.614 xcodebuild[22085:408139] Error Domain=NSCocoaErrorDomain Code=3840 "JSON text did not start with array or object and option to allow fragments not set." UserInfo={NSDebugDescription=JSON 文本没有以允许不设置片段的数组或对象和选项。} xcodebuild：错误：无法读取项目 'Runner.xcodeproj'。 原因：“Runner”项目损坏，解析错误无法打开。检查项目文件是否存在无效编辑或未解决的源代码管理冲突。
路径：/Users/itinternational/AndroidStudioProjects/shipping_driver/ios/Runner.xcodeproj 命令：/usr/bin/xcodebuild -list
#0 RunResult.throwException (package:flutter_tools/src/base/process.dart:172:5)
#1 _DefaultProcessUtils.run (package:flutter_tools/src/base/process.dart:322:19)
<asynchronous suspension>
#2 XcodeProjectInterpreter.getInfo (package:flutter_tools/src/ios/xcodeproj.dart:389:50)
#3 buildXcodeProject (package:flutter_tools/src/ios/mac.dart:108:78)
#4 BuildIOSCommand.runCommand (package:flutter_tools/src/commands/build_ios.dart:83:43)
#5 _rootRunUnary (dart:async/zone.dart:1192:38)
#6 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#7 _FutureListener.handleValue (dart:async/future_impl.dart:141:18)
#8 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
#9 Future._propagateToListeners (dart:async/future_impl.dart:711:32)
#10 Future._completeWithValue (dart:async/future_impl.dart:526:5)
#11 _AsyncAwaitCompleter.complete (dart:async-patch/async_patch.dart:36:15)
#12 _completeOnAsyncReturn (dart:async-patch/async_patch.dart:298:13)
#13 ApplicationPackageStore.getPackageForPlatform (package:flutter_tools/src/application_package.dart)
#14 _rootRunUnary (dart:async/zone.dart:1192:38)
#15 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#16 _FutureListener.handleValue (dart:async/future_impl.dart:141:18)
#17 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
#18 Future._propagateToListeners (dart:async/future_impl.dart:711:32)
#19 Future._completeWithValue (dart:async/future_impl.dart:526:5)
#20 _AsyncAwaitCompleter.complete (dart:async-patch/async_patch.dart:36:15)
#21 _completeOnAsyncReturn (dart:async-patch/async_patch.dart:298:13)
#22 BuildableIOSApp.fromProject (package:flutter_tools/src/application_package.dart)
#23 _rootRunUnary (dart:async/zone.dart:1192:38)
#24 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#25 _FutureListener.handleValue (dart:async/future_impl.dart:141:18)
#26 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
#27 Future._propagateToListeners (dart:async/future_impl.dart:711:32)
#28 Future._completeWithValue (dart:async/future_impl.dart:526:5)
#29 _AsyncAwaitCompleter.complete (dart:async-patch/async_patch.dart:36:15)
#30 _completeOnAsyncReturn (dart:async-patch/async_patch.dart:298:13)
#31 IosProject.productBundleIdentifier (package:flutter_tools/src/project.dart)
#32 _rootRunUnary (dart:async/zone.dart:1192:38)
#33 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#34 _FutureListener.handleValue (dart:async/future_impl.dart:141:18)
#35 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
#36 Future._propagateToListeners (dart:async/future_impl.dart:711:32)
#37 Future._completeWithValue (dart:async/future_impl.dart:526:5)
#38 _AsyncAwaitCompleter.complete (dart:async-patch/async_patch.dart:36:15)
#39 _completeOnAsyncReturn (dart:async-patch/async_patch.dart:298:13)
#40 IosProject.buildSettings (package:flutter_tools/src/project.dart)
#41 _rootRunUnary (dart:async/zone.dart:1192:38)
#42 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#43 _FutureListener.handleValue (dart:async/future_impl.dart:141:18)
#44 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
#45 Future._propagateToListeners (dart:async/future_impl.dart:711:32)
#46 Future._completeWithValue (dart:async/future_impl.dart:526:5)
#47 _AsyncAwaitCompleter.complete (dart:async-patch/async_patch.dart:36:15)
#48 _completeOnAsyncReturn (dart:async-patch/async_patch.dart:298:13)
#49 XcodeProjectInterpreter.getBuildSettings (package:flutter_tools/src/ios/xcodeproj.dart)
#50 _asyncErrorWrapperHelper.errorCallback (dart:async-patch/async_patch.dart:86:61)
#51 _rootRunBinary (dart:async/zone.dart:1204:38)
#52 _CustomZone.runBinary (dart:async/zone.dart:1093:19)
#53 _FutureListener.handleError (dart:async/future_impl.dart:155:20)
#54 Future._propagateToListeners.handleError (dart:async/future_impl.dart:694:47)
#55 Future._propagateToListeners (dart:async/future_impl.dart:715:24)
#56 Future._completeError (dart:async/future_impl.dart:534:5)
#57 _AsyncAwaitCompleter.completeError (dart:async-patch/async_patch.dart:43:15)
#58 _DefaultProcessUtils.run (package:flutter_tools/src/base/process.dart)
#59 _rootRunUnary (dart:async/zone.dart:1192:38)
#60 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#61 _FutureListener.handleValue (dart:async/future_impl.dart:141:18)
#62 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
#63 Future._propagateToListeners (dart:async/future_impl.dart:711:32)
#64 Future._completeWithValue (dart:async/future_impl.dart:526:5)
#65 Future.wait.<anonymous closure> (dart:async/future.dart:402:22)
#66 _rootRunUnary (dart:async/zone.dart:1192:38)
#67 _CustomZone.runUnary (dart:async/zone.dart:1085:19)
#68 _FutureListener.handleValue (dart:async/future_impl.dart:141:18)
#69 Future._propagateToListeners.handleValueCallback (dart:async/future_impl.dart:682:45)
#70 Future._propagateToListeners (dart:async/future_impl.dart:711:32)
#71 Future._addListener.<anonymous closure> (dart:async/future_impl.dart:391:9)
#72 _rootRun (dart:async/zone.dart:1184:13)
#73 _CustomZone.run (dart:async/zone.dart:1077:19)
#74 _CustomZone.runGuarded (dart:async/zone.dart:979:7)
#75 _CustomZone.bindCallbackGuarded.<anonymous closure> (dart:async/zone.dart:1019:23)
#76 _microtaskLoop (dart:async/schedule_microtask.dart:43:21)
#77 _startMicrotaskLoop (dart:async/schedule_microtask.dart:52:5)
#78 _runPendingImmediateCallback (dart:isolate-patch/isolate_patch.dart:118:13)
#79 _RawReceivePortImpl._handleMessage (dart:isolate-patch/isolate_patch.dart:169:5)
扑博士
[✓] Flutter (Channel stable, v1.17.2, on Mac OS X 10.15.5 19F96, locale en-KG)
• Flutter version 1.17.2 at /Users/itinternational/Downloads/flutter
• Framework revision 5f21edf8b6 (33 hours ago), 2020-05-28 12:44:12 -0700
• Engine revision b851c71829
• Dart version 2.8.3
[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
• Android SDK at /Users/itinternational/Library/Android/sdk
• Platform android-29, build-tools 29.0.3
• 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-b3-6222593)
• All Android licenses accepted.
[✓] Xcode - develop for iOS and macOS (Xcode 11.5)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 11.5, Build version 11E608c
• CocoaPods version 1.9.3
[✓] Android Studio (version 4.0)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin version 45.1.2
• Dart plugin version 193.7361
• Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b3-6222593)
[✓] Connected device (1 available)
• iPhone SE (2nd generation) • 9AD7BC02-943F-44FE-A4E3-FED33FE669DE • ios • com.apple.CoreSimulator.SimRuntime.iOS-13-5 (simulator)
• No issues found!
尝试删除您的 ios 文件夹并重新创建它 运行 flutter create -i swift .。可能文件夹里面的东西坏了。