windows环境里React-Native运行失败，找不到Nullable的原因分析

我运行react-native run-android后，遇到如下错误消息：

Task :react-native-gesture-handler:compileDebugJavaWithJavac

C:\temp\bacardiAPP-master\node_modules\react-native-gesture-handler\android\src\main\java\com\swmansion\gesturehandler\react\RNGestureHandlerEnabledRootView.java:10: error: cannot find symbol

import androidx.annotation.Nullable;

android.useAndroidX=true

android.enableJetifier=true