问题
I am very new to facebook sdk and currently I am implementing the Facebook login button and it's work very well at the first time login and when I logged-out and try to login again it's give me an error as bellow image. And I am sure with the Key Hash was corrected. Appreciated for your kindly help.
回答1:
Refer this tutorial for integrating facebook sdk in android. link 1 for eclipse
link 2 for android studio
worked for me.
来源：https://stackoverflow.com/questions/34101848/facebook-login-for-android-getting-error-for-the-second-login