Flutter 运行个旧应用程序，而不是运行个新应用程序

Question

所以我在

之后创建了一个 flutter 应用程序

Flutter -upgrade

一切正常，直到我创建了一个应用程序并尝试运行它花了太长时间然后崩溃了。我运行ned

Flutter doctor -v

[√] Flutter (Channel stable, 2.0.3, on Microsoft Windows [Version 10.0.18363.1316], locale en-US)
    • Flutter version 2.0.3 at C:\src\flutter\flutter
    • Framework revision 4d7946a68d (4 days ago), 2021-03-18 17:24:33 -0700
    • Engine revision 3459eb2436
    • Dart version 2.12.2

[!] Android toolchain - develop for Android devices (Android SDK version 30.0.3)
    • Android SDK at C:\Users\HP\AppData\Local\Android\sdk
    • Platform android-30, build-tools 30.0.3
    • Java binary at: C:\Program Files\Android\Android Studio1\jre\bin\java
    • Java version OpenJDK Runtime Environment (build 1.8.0_242-release-1644-b01)
    X Android license status unknown.
      Run `flutter doctor --android-licenses` to accept the SDK licenses.
      See https://flutter.dev/docs/get-started/install/windows#android-setup for more details.

[X] Chrome - develop for the web (Cannot find Chrome executable at .\Google\Chrome\Application\chrome.exe)
    ! Cannot find Chrome. Try setting CHROME_EXECUTABLE to a Chrome executable.

[√] Android Studio (version 4.1.0)
    • Android Studio at C:\Program Files\Android\Android Studio1
    • 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_242-release-1644-b01)

[√] VS Code (version 1.54.3)
    • VS Code at C:\Users\HP\AppData\Local\Programs\Microsoft VS Code
    • Flutter extension version 3.20.0

[√] Connected device (2 available)
    • MAR LX1A (mobile) • QTC4C19710005392 • android-arm64  • Android 10 (API 29)
    • Edge (web)        • edge             • web-javascript • Microsoft Edge 89.0.774.57

! Doctor found issues in 2 categories.

这是我得到的输出...

之后我搜索了 google 解决方案，但遗憾的是我没有找到任何东西，我尝试运行

flutter doctor --android-licenses

然后我运行ned

sdkmanager

Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema
        at com.android.repository.api.SchemaModule$SchemaModuleVersion.<init>(SchemaModule.java:156)
        at com.android.repository.api.SchemaModule.<init>(SchemaModule.java:75)
        at com.android.sdklib.repository.AndroidSdkHandler.<clinit>(AndroidSdkHandler.java:81)
        at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:73)
        at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:48)
Caused by: java.lang.ClassNotFoundException: javax.xml.bind.annotation.XmlSchema
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:606)
        at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:168)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
        ... 5 more

这是两者的输出

请帮助我，我被卡住了，我需要尽快找到解决方案谢谢 <3

Answer 1

解决方案是运行

flutter clean

flutter run

它帮助了我并解决了所有问题

而且在评论中有一个人帮助了我所以谢谢他:3

Flutter 运行 个旧应用程序，而不是 运行 个新应用程序

Flutter running old app but not running new app

sdk

dart

flutter

Flutter 运行个旧应用程序，而不是运行个新应用程序