并先谢谢您。
在处理我的代码时，出于某种奇怪的原因，它刚刚停止工作。我正在处理它，应用程序随机崩溃了。然后我无法启动并重新运行。我已经尝试了几件事，包括开始一个新文档和粘贴代码。以及尝试以前可用的版本。
我曾尝试过Github的其他项目，但效果很好。所以我假设这与我的android studio安装或排序无关。
不幸的是，鉴于错误的性质非常随机，我不确定重现该错误所应采取的步骤。
这是抖动引起的错误
Launching lib/main.dart on iPhone 11 Pro Max in debug mode...
Running Xcode build...
Xcode build done. 3.9s
Failed to build iOS app
Error output from Xcode build:
↳
** BUILD FAILED **
Xcode's output:
↳
/Users/armpac/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/vibration-1.2.4/ios/Classes/VibrationPlugin.m:2:9: fatal error: 'vibration/vibration-Swift.h' file not found
#import <vibration/vibration-Swift.h>
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
/Users/armpac/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/contacts_service-0.3.10/ios/Classes/ContactsServicePlugin.m:2:9: fatal error: 'contacts_service/contacts_service-Swift.h' file not found
#import <contacts_service/contacts_service-Swift.h>
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
1 error generated.
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.
另一方面，Xcode给我这个：
Ld /Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Debug-iphonesimulator/Runner.app/Runner normal x86_64 (in target 'Runner' from project 'Runner')
cd /Users/armpac/AndroidStudioProjects/Mutuality2/ios
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang -target x86_64-apple-ios8.0-simulator -isysroot /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator13.2.sdk -L/Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Debug-iphonesimulator -L/Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Debug-iphonesimulator/contacts_service -L/Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Debug-iphonesimulator/flutter_keyboard_visibility -L/Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Debug-iphonesimulator/path_provider -L/Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Debug-iphonesimulator/vibration -L/Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Debug-iphonesimulator/contacts_service -L/Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Debug-iphonesimulator/flutter_keyboard_visibility -L/Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Debug-iphonesimulator/path_provider -L/Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Debug-iphonesimulator/vibration -L/Users/armpac/AndroidStudioProjects/Mutuality2/ios/Flutter -F/Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Debug-iphonesimulator -F/Users/armpac/AndroidStudioProjects/Mutuality2/ios/Pods/../Flutter -F/Users/armpac/AndroidStudioProjects/Mutuality2/ios/Pods/../Flutter -F/Users/armpac/AndroidStudioProjects/Mutuality2/ios/Flutter -filelist /Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Runner.build/Debug-iphonesimulator/Runner.build/Objects-normal/x86_64/Runner.LinkFileList -Xlinker -rpath -Xlinker @executable_path/Frameworks -Xlinker -rpath -Xlinker @loader_path/Frameworks -Xlinker -rpath -Xlinker @executable_path/Frameworks -Xlinker -rpath -Xlinker @loader_path/Frameworks -Xlinker -rpath -Xlinker @executable_path/Frameworks -dead_strip -Xlinker -object_path_lto -Xlinker /Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Runner.build/Debug-iphonesimulator/Runner.build/Objects-normal/x86_64/Runner_lto.o -Xlinker -export_dynamic -Xlinker -no_deduplicate -Xlinker -objc_abi_version -Xlinker 2 -fobjc-arc -fobjc-link-runtime -ObjC -lcontacts_service -lflutter_keyboard_visibility -lpath_provider -lvibration -framework Flutter -ObjC -lcontacts_service -lflutter_keyboard_visibility -lpath_provider -lvibration -framework Flutter -Xlinker -sectcreate -Xlinker __TEXT -Xlinker __entitlements -Xlinker /Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Runner.build/Debug-iphonesimulator/Runner.build/Runner.app-Simulated.xcent -framework Flutter -framework App -lPods-Runner -Xlinker -dependency_info -Xlinker /Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Runner.build/Debug-iphonesimulator/Runner.build/Objects-normal/x86_64/Runner_dependency_info.dat -o /Users/armpac/AndroidStudioProjects/Mutuality2/build/ios/Debug-iphonesimulator/Runner.app/Runner
ld: library not found for -lcontacts_service
clang: error: linker command failed with exit code 1 (use -v to see invocation)
所以，最终，删除软件包是我要做的。确保将其从PubSpec.Yml中删除，我可以找到与其相关的任何文件夹。清理生成，瞧。
很高兴回来。