Flutter iOS 错误类 AMSupportURLConnectionDelegate 在 /usr/lib/libamsupport.dylib 中实现 (0x203913130)

Question

您好，在 MacBook Air M1 芯片 Lap 中运行 flutter 项目时遇到问题。尝试了所有的可能性都找不到具体问题出在哪里。

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所有基本解决方案如flutter clean, flutter pub get, pod deintegrate & install, flutter build ios, flutter run，但仍然是相同的问题。仅在未部署的 iOS 模拟器上。

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任何解决方案。提前致谢。

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错误

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Launching lib/main.dart on iPhone 13 in debug mode...\nRunning pod install...                                              5.3s\nRunning Xcode build...                                                  \nXcode build done.                                           104.1s\nFailed to build iOS app\nError output from Xcode build:\n\xe2\x86\xb3\n    objc[25282]: Class AMSupportURLConnectionDelegate is implemented in both /usr/lib/libamsupport.dylib (0x203913130) and\n    /Library/Apple/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice (0x103bc02c8). One of the two will be used. Which one is undefined.\n    objc[25282]: Class AMSupportURLSession is implemented in both /usr/lib/libamsupport.dylib (0x203913180) and\n    /Library/Apple/System/Library/PrivateFrameworks/MobileDevice.framework/Versions/A/MobileDevice (0x103bc0318). One of the two will be used. Which one is undefined.\n    ** BUILD FAILED **\n

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扑动医生-v

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[\xe2\x9c\x93] Flutter (Channel stable, 2.8.1, on macOS 12.0.1 21A559 darwin-arm, locale\n    en-IN)\n    \xe2\x80\xa2 Flutter version 2.8.1 at\n      /Users/macsystem/Documents/developer/flutter\n    \xe2\x80\xa2 Upstream repository https://github.com/flutter/flutter.git\n    \xe2\x80\xa2 Framework revision 77d935af4d (7 weeks ago), 2021-12-16 08:37:33 -0800\n    \xe2\x80\xa2 Engine revision 890a5fca2e\n    \xe2\x80\xa2 Dart version 2.15.1\n\n[\xe2\x9c\x93] Android toolchain - develop for Android devices (Android SDK version 32.0.0)\n    \xe2\x80\xa2 Android SDK at /Users/macsystem/Library/Android/sdk\n    \xe2\x80\xa2 Platform android-32, build-tools 32.0.0\n    \xe2\x80\xa2 Java binary at: /Applications/Android\n      Studio.app/Contents/jre/Contents/Home/bin/java\n    \xe2\x80\xa2 Java version OpenJDK Runtime Environment (build 11.0.10+0-b96-7249189)\n    \xe2\x80\xa2 All Android licenses accepted.\n\n[\xe2\x9c\x93] Xcode - develop for iOS and macOS (Xcode 13.2.1)\n    \xe2\x80\xa2 Xcode at /Applications/Xcode.app/Contents/Developer\n    \xe2\x80\xa2 CocoaPods version 1.11.2\n\n[\xe2\x9c\x93] Chrome - develop for the web\n    \xe2\x80\xa2 Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome\n\n[\xe2\x9c\x93] Android Studio (version 2020.3)\n    \xe2\x80\xa2 Android Studio at /Applications/Android Studio.app/Contents\n    \xe2\x80\xa2 Flutter plugin can be installed from:\n       https://plugins.jetbrains.com/plugin/9212-flutter\n    \xe2\x80\xa2 Dart plugin can be installed from:\n       https://plugins.jetbrains.com/plugin/6351-dart\n    \xe2\x80\xa2 Java version OpenJDK Runtime Environment (build 11.0.10+0-b96-7249189)\n\n[\xe2\x9c\x93] Connected device (2 available)\n    \xe2\x80\xa2 iPhone 13 (mobile) \xe2\x80\xa2 05EC9698-3C26-44B9-8DB0-B53C7B6576F3 \xe2\x80\xa2 ios\n      \xe2\x80\xa2 com.apple.CoreSimulator.SimRuntime.iOS-15-2 (simulator)\n    \xe2\x80\xa2 Chrome (web)       \xe2\x80\xa2 chrome                               \xe2\x80\xa2 web-javascript\n      \xe2\x80\xa2 Google Chrome 97.0.4692.99\n

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Answer 1

我已经通过以下步骤完成了完整的清理和安装，它帮助我解决了，

步骤1：

flutter clean
rm -Rf ios/Pods
rm -Rf ios/.symlinks
rm -Rf ios/Flutter/Flutter.framework
rm -Rf ios/Flutter/Flutter.podspec
rm ios/Podfile

第2步：

cd ios
flutter pub get
pod cache clean --all
pod install

    or  (below for m1 chip incase above command thrown error in pod install)

#1 Install ffi
sudo arch -x86_64 gem install ffi

#2 Re-install dependencies
arch -x86_64 pod install

步骤3：

1. Open ios/Pods/Pods.xcodeproj in Xcode
2. Change the iOS Deployment info from 8.0 to 9.0

步骤4：

From xcode clean / build again / run. Hope this should work. Before please confirm whether all the build settings for iOS configured properly or not.

注意：在上述步骤中，我遇到了 Firebase 的另一个问题，例如“未找到 firebase import”。下面添加了我如何解决的步骤。

第1步：打开ios/Podfile

Check platform :ios, '10.0' is uncommented

第2步：

在 Podfile 末尾添加以下代码

target 'CustomImageNotifications' do
  use_frameworks!
  pod 'Firebase/Analytics'
  pod 'Firebase/Messaging'
end 

步骤3： pod install & open xcode and clean / build.

希望这个答案可以有所帮助。！谢谢

Answer 2

我通过兼容模式运行 pod update 解决了这个问题

% flutter clean

% cd ios
% arch -x86_64 pod update

Answer 3

我很幸运，首先删除了 Flutter.podspec，然后运行 ​​flutter clean。我使用的是 Mac Mini M1。

$ rm ios/Flutter/Flutter.podspec
$ flutter clean

在这里找到：

https://github.com/flutter/flutter/issues/70895#issuecomment-744734693