Android Login With Facebook SDK 4.0

I hope anybody can help me ! I want to change my code for the new facebook sdk 4.0 but there is only a little description and i´m getting crazy and don´t know how to make the new

Solution 1:

As you can read in the Facebook SDK for Android changelog in section 4.0 - March 25, 2015 the UiLifecycleHelper was removed and its functionality transferred to the CallbackManager.

Here is a tutorial which explains how to implement the login with facebook SDK 4.0.