Flutter 运行失败

Question

我正在做一个移动实习和学习 flutter，我已经将我的机器配置为运行并在我的手机上构建我的应用程序 apk，昨天我将我的 HDD 切换到 SSD，我们再次下载并安装所有内容，现在当我尝试运行我的应用程序时，我得到了这个：失败：构建完成但有 2 次失败。 这就是两次失败：

1: Task failed with an exception.
-----------
* What went wrong:
Execution failed for task ':compileReleaseRenderscript'.
Could not resolve all files for configuration ':releaseCompileClasspath'.
Could not resolve com.google.guava:guava:28.1-android.
     Required by:
         project :
Could not resolve com.google.guava:guava:28.1-android.
Could not parse POM https://jcenter.bintray.com/com/google/guava/guava/28.1-android/guava-28.1-android.pom
O conteúdo não é permitido no prólogo.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
==============================================================================

2: Task failed with an exception.
-----------
* What went wrong:
Execution failed for task ':javaPreCompileRelease'.
Could not resolve all files for configuration ':releaseCompileClasspath'.
Could not resolve com.google.guava:guava:28.1-android.
     Required by:
         project :
Could not resolve com.google.guava:guava:28.1-android.
Could not parse POM https://jcenter.bintray.com/com/google/guava/guava/28.1-android/guava-28.1-android.pom
O conteúdo não é permitido no prólogo.

* Try:
Run with --stacktrace option to get the stack trace. Run with --info or --debug option to get more log output. Run with --scan to get full insights.
==============================================================================

* Get more help at https://help.gradle.org/

BUILD FAILED in 4s

此外，当我运行 flutter 医生时，我遇到了这个问题：

[!] Android toolchain - develop for Android devices (Android SDK version 31.0.0)
    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.

但是当尝试运行 flutter doctor --android-licenses 我收到这个日志错误：

Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema      
        at com.android.repository.api.SchemaModule$SchemaModuleVersion.<init>(SchemaModule.java:156)
        at com.android.repository.api.SchemaModule.<init>(SchemaModule.java:75)
        at com.android.sdklib.repository.AndroidSdkHandler.<clinit>(AndroidSdkHandler.java:81)      
        at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:73)
        at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:48)
Caused by: java.lang.ClassNotFoundException: javax.xml.bind.annotation.XmlSchema
        at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)   
        at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
        at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
        ... 5 more
    ```

Answer 1

我解决了这个问题，只是卸载并重新安装 Android Studio 和 Flutter，如果你遇到这个问题，可能是你的 Android Studio 损坏了。

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Flutter 运行失败