[英]Android license status unknown. Try re-installing or updating your Android SDK Manager
我的應用程序之前運行得非常好,后來我不明白問題出在哪里。 任何文件中都沒有更新。 我在 D:\src-flutter\Flutter-Projects\testing_app\android\app\build.gradle 文件中遇到錯誤。 我嘗試使用許多鏈接來解決它。
這是命令行實現:\
D:\src-flutter\flutter>flutter --version
Flutter 1.17.5 • channel stable • https://github.com/flutter/flutter.git
Framework • revision 8af6b2f038 (8 days ago) • 2020-06-30 12:53:55 -0700
Engine • revision ee76268252
Tools • Dart 2.8.4
D:\src-flutter\flutter>java -version
java version "10.0.2" 2018-07-17
Java(TM) SE Runtime Environment 18.3 (build 10.0.2+13)
Java HotSpot(TM) 64-Bit Server VM 18.3 (build 10.0.2+13, mixed mode)
D:\src-flutter\flutter>flutter doctor
Doctor summary (to see all details, run flutter doctor -v):
[√] Flutter (Channel stable, v1.17.5, on Microsoft Windows [Version 10.0.18363.900], locale en-IN)
[!] Android toolchain - develop for Android devices (Android SDK version 28.0.3)
X Android license status unknown.
Try re-installing or updating your Android SDK Manager.
See https://developer.android.com/studio/#downloads or visit visit
https://flutter.dev/docs/get-started/install/windows#android-setup for detailed instructions.
[√] Android Studio (version 4.0)
[√] Connected device (1 available)
! Doctor found issues in 1 category.
鍵入 flutter doctor --android-licenses 不起作用。
D:\src-flutter\flutter>flutter doctor --android-licenses
Exception in thread "main" java.lang.NoClassDefFoundError: javax/xml/bind/annotation/XmlSchema
at com.android.repository.api.SchemaModule$SchemaModuleVersion.<init>(SchemaModule.java:156)
at com.android.repository.api.SchemaModule.<init>(SchemaModule.java:75)
at com.android.sdklib.repository.AndroidSdkHandler.<clinit>(AndroidSdkHandler.java:81)
at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:73)
at com.android.sdklib.tool.sdkmanager.SdkManagerCli.main(SdkManagerCli.java:48)
Caused by: java.lang.ClassNotFoundException: javax.xml.bind.annotation.XmlSchema
at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:602)
at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:521)
... 5 more
任何幫助,將不勝感激。
引起: java.lang.ClassNotFoundException
驗證指定的 class 名稱並檢查.jar
文件是否存在於類路徑中。 如果它已經存在,請確保它沒有在您的程序中被覆蓋。 如果該文件不存在,則只需在類路徑中添加.jar
文件。
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