Add implementation 'com.google.android.gms:play-services-safetynet:15.0.1'
to dependencies of /android/app/build.gradle
Add the following code to /android/app/src/main/java/com/PROJECT_NAME/MainApplication.java
import android.content.Intent;
import com.google.android.gms.common.GooglePlayServicesUtil;
import com.google.android.gms.security.ProviderInstaller;
import com.google.android.gms.security.ProviderInstaller.ProviderInstallListener;