note: 'bringSubview(toFront:)' was obsoleted in Swift 4.2 open func bringSubview(toFront view: UIView)

[henry0510]

/Users/henry/.pub-cache/hosted/pub.flutter-io.cn/flutter_plugin_qrcode-2.0.0/ios/Classes/ACScanViewController.swift:206:14: error: 'bringSubview(toFront:)' has been renamed to 'bringSubviewToFront(_:)'
view.bringSubview(toFront: self.animalLine)
^~~~~~~~~~~~ ~~~~~~~~~
bringSubviewToFront
UIKit.UIView:17:15: note: 'bringSubview(toFront:)' was obsoleted in Swift 4.2
open func bringSubview(toFront view: UIView)
^
/Users/henry/.pub-cache/hosted/pub.flutter-io.cn/flutter_plugin_qrcode-2.0.0/ios/Classes/ACScanViewController.swift:231:61: error: 'commonModes' has been renamed to 'RunLoop.Mode.common'
RunLoop.main.add(self.timer!, forMode: RunLoop.Mode.commonModes)
^~~~~~~~~~~
RunLoop.Mode.common
Foundation.RunLoop.Mode:9:23: note: 'commonModes' was obsoleted in Swift 4.2
public static let commonModes: RunLoop.Mode
^
While building module 'Bugly' imported from

henry@HenrydeMacBook-Pro ios % flutter doctor -v
[✓] Flutter (Channel stable, 1.22.5, on Mac OS X 10.15.6 19G73
darwin-x64, locale zh-Hans-CN)
• Flutter version 1.22.5 at
/Users/henry/Documents/Flutter/sdk/flutter
• Framework revision 7891006299 (5 周前), 2020-12-10 11:54:40 -0800
• Engine revision ae90085a84
• Dart version 2.10.4
• Pub download mirror https://pub.flutter-io.cn
• Flutter download mirror https://storage.flutter-io.cn

[✓] Android toolchain - develop for Android devices (Android SDK
version 30.0.3)
• Android SDK at /Users/henry/Library/Android/sdk
• Platform android-30, build-tools 30.0.3
• 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 12.3)
• Xcode at /Applications/Xcode.app/Contents/Developer
• Xcode 12.3, Build version 12C33
• CocoaPods version 1.10.0

[✓] Android Studio (version 4.0)
• Android Studio at /Applications/Android Studio.app/Contents
• Flutter plugin installed
• Dart plugin version 193.7547
• Java version OpenJDK Runtime Environment (build
1.8.0_242-release-1644-b3-6222593)

[!] VS Code (version 1.52.1)
• VS Code at /Applications/Visual Studio Code.app/Contents
✗ Flutter extension not installed; install from
https://marketplace.visualstudio.com/items?itemName=Dart-Code.flu
tter

[✓] Connected device (2 available)
• iPhone (mobile) • 00008020-001C346A0288002E
• ios • iOS 14.2
• iPhone 12 Pro Max (mobile) • 4ACC2862-3EEF-4410-9FA1-F32197D35DAC
• ios • com.apple.CoreSimulator.SimRuntime.iOS-14-3 (simulator)

! Doctor found issues in 1 category.

[wangfeng211]

I have the same issue。