错误：flutter 中不存在包 androidx.lifecycle

Question

我想在flutter中使用local_auth插件，它需要Android生命周期，所以我安装了flutter_plugin_android_lifecycle，但是如果我尝试发布apk，我会收到这个错误：错误：包androidx.lifecycle不存在。我尝试了很多东西，但我就是无法让它工作。

''' C:\flutter.pub-cache\hosted\pub.dartlang.org\flutter_plugin_android_lifecycle-1.0.7\android\src\main\java\io\flutter\embedding\engine\plugins\lifecycle\FlutterLifecycleAdapter.java： 8: 错误：包 androidx.lifecycle 不存在 import androidx.lifecycle.Lifecycle; ^ C:\flutter.pub-cache\hosted\pub.dartlang.org\flutter_plugin_android_lifecycle-1.0.7\android\src\main\java\io\flutter\embedding\engine\plugins\lifecycle\FlutterLifecycleAdapter.java:22：错误：找不到符号 public static Lifecycle getActivityLifecycle( ^ 符号：类生命周期位置：类 FlutterLifecycleAdapter 2 错误

       FAILURE: Build failed with an exception.

       * What went wrong:
       Execution failed for task ':compileReleaseJavaWithJavac'.
       > Compilation failed; see the compiler error output for details.

       * 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 1s

'''

Answer 1

在 build.grable 插件文件夹中添加实现“androidx.lifecycle:lifecycle-extensions:2.2.0”将解决该问题。

有关更多详细信息，请参阅https://github.com/flutter/flutter/issues/60883。