iOS 将设备更新到 iOS 14.7.1 后，flutter 应用程序未运行

Question

将我的 iPhone 11 更新到 iOS 版本 14.7.1 后，我的 flutter 应用程序不再启动。已执行的步骤：

颤动干净
flutter pub get
颤动运行

此外，

卸载并重新安装应用程序
重新启动 phone

输出：

(base) Henrys-MacBook-Air:flutter henrycorreia$ flutter run
Running "flutter pub get" in flutter...                             3.2s
Launching lib/main.dart on Henry’s iPhone in debug mode...
Automatically signing iOS for device deployment using specified development team in Xcode project: XXXXXXXXXX
Running pod install...                                             25.0s
Running Xcode build...                                          
Xcode build done.                                           208.8s
Installing and launching...                                        58.4s
Error launching application on Henry’s iPhone.

==>> flutter doctor -v:


[✓] Flutter (Channel stable, 2.2.3, on macOS 11.5.1 20G80 darwin-x64, locale en-GB)
    • Flutter version 2.2.3 at /Users/henrycorreia/fvm/versions/2.2.3
    • Framework revision f4abaa0735 (6 weeks ago), 2021-07-01 12:46:11 -0700
    • Engine revision 241c87ad80
    • Dart version 2.13.4

[!] Android toolchain - develop for Android devices (Android SDK version 30.0.2)
    • Android SDK at /Users/henr/Library/Android/sdk
    • Platform android-30, build-tools 30.0.2
    • Java binary at: /Applications/Android Studio.app/Contents/jre/jdk/Contents/Home/bin/java
    • Java version OpenJDK Runtime Environment (build 11.0.8+10-b944.6916264)
    ✗ 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 12.5.1, Build version 12E507
    • CocoaPods version 1.10.1

[✓] Chrome - develop for the web
    • Chrome at /Applications/Google Chrome.app/Contents/MacOS/Google Chrome

[✓] Android Studio (version 4.2)
    • 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 11.0.8+10-b944.6916264)

[✓] VS Code (version 1.59.0)
    • VS Code at /Applications/Visual Studio Code.app/Contents
    • Flutter extension version 3.25.0

[✓] Connected device (3 available)
    • Moto E 4 Plus (mobile)  • xxxxxxxxx                • android-arm    • Android 7.1.1 (API 25)
    • Henry’s iPhone (mobile) • xxxxxxxxxxxxxx • ios            • iOS 14.7.1
    • Chrome (web)            • chrome                    • web-javascript • Google Chrome 92.0.4515.131
    

! Doctor found issues in 1 category.

有人遇到同样的问题吗？知道如何解决这个问题吗？

谢谢

Answer 1

您在第一个屏幕呈现之前出现运行时错误，请尝试将断点放在 main 的第一行并逐行调试。

Answer 2

我能够解决这个问题。这似乎是一个随机问题，在更新 flutter 版本或 iOS...

时会不时发生

以下是我解决问题的方法：

==>> 您也可以从这个主题中获得灵感：https://github.com/flutter/flutter/issues/72161

但是，对我有用的方法非常简单，因为我使用的是 vs 代码：

卸载了应用程序
重新启动 phone
使用Xcode
产品 -> 清理构建文件夹
产品 -> 运行

应用程序将正确启动，然后退出 Xcode

之后，我运行使用 vs code 的应用程序，现在它像以前一样工作了。

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