Looking for logging into the Facebook Nullpointerexception site and are not getting the correct working link for it? In such a case, you can use the links given here by searching your desired login page in the search box. If the page is present on our website then you will get all the links related to the Facebook Nullpointerexception site. After that you can login as usual with your login credentials.
https://stackoverflow.com/questions/29454586/facebook-login-null-pointer-exception-android
https://stackoverflow.com/questions/25274471/facebook-login-nullpointerexception/25274830
https://github.com/facebook/react-native-fbsdk/issues/457
https://github.com/facebook/react-native/issues/10845
https://github.com/facebook/stetho/issues/580
https://github.com/facebook/facebook-sdk-for-unity/issues/18
https://forums.xamarin.com/discussion/60507/nullpointerexception-with-facebook-sdk-android
https://www.youtube.com/watch?v=JWFfsNOL0n4
https://forums.androidcentral.com/ask-question/658690-im-getting-exception-error-when-logging-into-facebook-after-deleting-some-apps.html
https://forums.androidcentral.com/ask-question/667309-cant-login-facebook-keep-getting-uknown-error-has-occurred-null-pointer-exception-null.html
http://qtpselenium.com/selenium-tutorial/forum/viewtopic.php?f=20&t=1124
https://www.facebook.com/nullpointerexceptionband/
https://support.backendless.com/t/facebook-login-fails-callbackmanager-becomes-null-after-calling-loginwithfacebooksdk/4211