Error: Class not found when unmarshalling: com.facebook.login.Login Client Request

Question

I am getting this error when hitting the \"Login With Facebook\" (Simple login button).

I have Google, and read other topics here - but I can not see any thing mat

Answer 1

Actually this is happend. Because of the onActivityResult method has not implemented in side your Activity and also you must call

callbackManager.onActivityResult(requestCode, resultCode, data);

method inside this method. I am sure 100% your problem resolved.