I am using react-native-fbsdk on my project. When I ran the application using Android Emulator it works just fine but error occured when I ran it using real device.
Invalid key hash. The key hash xxxxxxxxxxxxxxxxxxxxx does not match any stored key hashes. Configure your app key hashes at https://developers.facebook.com/apps/xxxxxxxxxxxxxxx/
Tested on Nexus 5x (Android 7.1.2)