nullable error when implementing react-native-admob in android

Question

I have added react-native-admob in my project but when i open my project in android studio and try to run my project, i face below error

react-native-admob:compileDebugJavaWithJavac FAILED Desktop/myapp/node_modules/react-native-admob/android/src/main/java/com/sbugert/rnadmob/RNAdMobInterstitialAdModule.java:5: error: package android.support.annotation does not exist import android.support.annotation.Nullable;