我正在遵循以下指示https://developer.here.com/documentation/flutter-sdk-navigate/4.4.0.2/dev_guide/topics/quick-start.html#try-the-example-apps https://developer.here.com/documentation/flutter-sdk-navigate/4.4.0.2/dev_guide/topics/quick-start.html#try-the-example-apps两者都用于尝试示例应用程序或创建新项目。似乎两者都不起作用。运行失败并出现以下错误：
Klamath:hello_map_app mathias$ flutter run
Launching lib/main.dart on iPhone 12 in debug mode...
Running pod install... 1,603ms
Running Xcode build...
Xcode build done. 6.3s
Failed to build iOS app
Error output from Xcode build:
↳
** BUILD FAILED **
Xcode's output:
↳
warning: [CP] Unable to find matching .xcframework slice in
'/Users/mathias/Downloads/heresdk-explore-flutter-4.9.0.0.2063/heresdk-explore-flutter-examples-4.9.0.0/hello_map_app/ios/Pods/../.symlinks/plugins/here_sdk/ios/
Frameworks/heresdk.xcframework heresdk framework ios-x86_64-simulator ios-arm64' for the current build architectures (arm64 x86_64).
Command CompileSwift failed with a nonzero exit code
Command CompileSwift failed with a nonzero exit code
Command CompileSwift failed with a nonzero exit code
/Users/mathias/Downloads/heresdk-explore-flutter-4.9.0.0.2063/heresdk-explore-flutter-examples-4.9.0.0/hello_map_app/plugins/here_sdk/ios/Classes/MapController.s
wift:14:8: error: no such module 'heresdk'
import heresdk
^
/Users/mathias/Downloads/heresdk-explore-flutter-4.9.0.0.2063/heresdk-explore-flutter-examples-4.9.0.0/hello_map_app/plugins/here_sdk/ios/Classes/MapController.s
wift:14:8: error: no such module 'heresdk'
import heresdk
^
/Users/mathias/Downloads/heresdk-explore-flutter-4.9.0.0.2063/heresdk-explore-flutter-examples-4.9.0.0/hello_map_app/plugins/here_sdk/ios/Classes/MapController.s
wift:14:8: error: no such module 'heresdk'
import heresdk
^
note: Using new build system
note: Building targets in parallel
note: Planning build
note: Constructing build description
Could not build the application for the simulator.
Error launching application on iPhone 12.
我注意到没有为 iOS 插件生成 Podfile，这与文档所说的相反：
执行 flutter pub get（或单击 Android Studio 或任何其他 IDE 中相应的 Packages get 按钮）后，将为 iOS 创建一个新的 Podfile
颤动文档：
[✓] Flutter (Channel stable, 2.5.2, on Mac OS X 10.15.7 19H1419 darwin-x64, locale en-GB)
• Flutter version 2.5.2 at /Users/mathias/dev/flutter
• Upstream repository https://github.com/flutter/flutter.git
• Framework revision 3595343e20 (4 days ago), 2021-09-30 12:58:18 -0700
• Engine revision 6ac856380f
• Dart version 2.14.3
[!] Android toolchain - develop for Android devices (Android SDK version 31.0.0)
• Android SDK at /Users/mathias/Library/Android/sdk
✗ cmdline-tools component is missing
Run `path/to/sdkmanager --install "cmdline-tools;latest"`
See https://developer.android.com/studio/command-line for more details.
✗ Android license status unknown.
Run `flutter doctor --android-licenses` to accept the SDK licenses.
See https://flutter.dev/docs/get-started/install/macos#android-setup for more details.
[✓] Xcode - develop for iOS and macOS
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 12.2, Build version 12B45b
• CocoaPods version 1.10.2
[✓] Chrome - develop for the web
• Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome
[✓] Android Studio (version 3.5)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin can be installed from:
???? https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
???? https://plugins.jetbrains.com/plugin/6351-dart
• Java version OpenJDK Runtime Environment (build 1.8.0_202-release-1483-b49-5587405)
[✓] IntelliJ IDEA Ultimate Edition (version 2021.2.2)
• IntelliJ at /Users/mathias/Applications/JetBrains Toolbox/IntelliJ IDEA Ultimate.app
• Flutter plugin version 61.0.4
• Dart plugin version 212.5486
[✓] IntelliJ IDEA Ultimate Edition (version 2021.2.2)
• IntelliJ at /Users/mathias/Library/Application Support/JetBrains/Toolbox/apps/IDEA-U/ch-0/212.5284.40/IntelliJ IDEA.app
• Flutter plugin can be installed from:
???? https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
???? https://plugins.jetbrains.com/plugin/6351-dart
[✓] IntelliJ IDEA Ultimate Edition (version 2021.1.1)
• IntelliJ at /Users/mathias/Library/Application Support/JetBrains/Toolbox/apps/IDEA-U/ch-0/211.7142.45/IntelliJ IDEA.app
• Flutter plugin can be installed from:
???? https://plugins.jetbrains.com/plugin/9212-flutter
• Dart plugin can be installed from:
???? https://plugins.jetbrains.com/plugin/6351-dart
[✓] VS Code (version 1.59.0)
• VS Code at /Applications/Visual Studio Code.app/Contents
• Flutter extension version 3.25.0
[✓] Connected device (2 available)
• iPhone 12 (mobile) • D8D4529E-FC01-48BA-A640-451B829D6BF9 • ios • com.apple.CoreSimulator.SimRuntime.iOS-14-2 (simulator)
• Chrome (web) • chrome • web-javascript • Google Chrome 94.0.4606.71
! Doctor found issues in 1 category.
Process finished with exit code 0
知道可能是什么问题吗？
发生这种情况是因为您的 Xcode 版本太旧且不受支持。根据最低要求 https://developer.here.com/documentation/flutter-sdk-navigate/dev_guide/topics/about.html#minimum-requirements，至少需要 Xcode 12.4。你的版本是12.2。
最重要的是，HERE SDK 尚未正式支持 Flutter 2.5。在设备上运行不受影响，这种情况仅发生在模拟器上。作为解决方法，修改生成的 Podfile 中的 post_install 任务：
post_install do |installer|
installer.pods_project.targets.each do |target|
flutter_additional_ios_build_settings(target)
target.build_configurations.each do |config|
config.build_settings['EXCLUDED_ARCHS[sdk=iphonesimulator*]'] = 'arm64' if `uname -m` == "x86_64\n"
end
end
installer.generated_projects.each do |project|
project.targets.each do |target|
target.build_configurations.each do |config|
config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '12.4'
end
end
project.build_configurations.each do |config|
config.build_settings['IPHONEOS_DEPLOYMENT_TARGET'] = '12.4'
end
end
我从最新的发行说明中摘取了这一点4.9.0.0 发布 https://developer.here.com/documentation/flutter-sdk-navigate/4.9.0.0/release_notes/topics/notes_navigate.html#version-4900.
UPDATE:对于 >= 4.9.2.0 的版本，不再需要上述内容，因为 HERE SDK 现在正式支持模拟器的 arm64 和 Flutter 2.5。
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