LoginButton with native Fragment

Question

I\'m trying to implement the Facebook LoginButton using the tutorial here https://developers.facebook.com/docs/android/login-with-facebook/v2.0#step2

The problem is

Answer 1

Add this below in you build.gradle file

dependencies {
    compile 'com.android.support:support-v4:+'
}

Then import android.support.v4.app.Fragment instead of the native fragment.