我在Mac上使用vscode构建ios应用时遇到了问题：
launching lib/main.dart on iPhone 11 Pro Max in debug mode...
Xcode build done. 16.8s
Failed to build iOS app
Error output from Xcode build:
↳
** BUILD FAILED **
Xcode's output:
↳
/Users/SW-Mac/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/speech_recognition-0.3.0+1/ios/Classes/SwiftSpeechRecognitionPlugin.swift:111:58: error: type 'AVAudioSession.Category' (aka 'NSString') has no member 'record'
try audioSession.setCategory(AVAudioSession.Category.record, mode: .default)
~~~~~~~~~~~~~~~~~~~~~~~ ^~~~~~
/Users/SW-Mac/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/speech_recognition-0.3.0+1/ios/Classes/SwiftSpeechRecognitionPlugin.swift:111:73: error: type 'String' has no member 'default'
try audioSession.setCategory(AVAudioSession.Category.record, mode: .default)
~^~~~~~~
/Users/SW-Mac/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/speech_recognition-0.3.0+1/ios/Classes/SwiftSpeechRecognitionPlugin.swift:112:50: error: type 'AVAudioSession.Mode' (aka 'NSString') has no member 'measurement'
try audioSession.setMode(AVAudioSession.Mode.measurement)
~~~~~~~~~~~~~~~~~~~ ^~~~~~~~~~~
/Users/SW-Mac/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/speech_recognition-0.3.0+1/ios/Classes/SwiftSpeechRecognitionPlugin.swift:113:22: error: 'setActive(_:options:)' has been renamed to 'setActive(_:with:)'
try audioSession.setActive(true, options: .notifyOthersOnDeactivation)
^~~~~~~~~ ~~~~~~~
setActive with
AVFoundation.AVAudioSession:15:15: note: 'setActive(_:options:)' was introduced in Swift 4.2
open func setActive(_ active: Bool, options: AVAudioSessionSetActiveOptions = []) throws
^
/Users/SW-Mac/Developer/flutter/.pub-cache/hosted/pub.dartlang.org/speech_recognition-0.3.0+1/ios/Classes/SwiftSpeechRecognitionPlugin.swift:186:15: error: value of type 'AVAudioSession.Category' (aka 'NSString') has no member 'rawValue'
return input.rawValue
~~~~~ ^~~~~~~~
note: Using new build system
note: Planning build
note: Constructing build description
warning: Capabilities for Signing & Capabilities may not function correctly because its entitlements use a placeholder team ID. To resolve this, select a development team in the Runner editor. (in target 'Runner' from project 'Runner')
Could not build the application for the simulator.
Error launching application on iPhone 11 Pro Max.
Exited (sigterm)
颤抖的医生：
Doctor summary (to see all details, run flutter doctor -v):
[✓] Flutter (Channel stable, v1.12.13+hotfix.7, on Mac OS X 10.15.2 19C57, locale en-GB)
[✓] Android toolchain - develop for Android devices (Android SDK version 29.0.3)
[✓] Xcode - develop for iOS and macOS (Xcode 11.3.1)
[✓] Android Studio (version 3.5)
[✓] VS Code (version 1.42.0)
[✓] Connected device (1 available)
• No issues found!
我不确定该软件包是否有问题（因为它可以很好地构建到android中）或我的flutter安装/配置错误。请帮忙告知。