Quick abstract super class for Activities that use ButterKnife. Eliminate calling ButterKnife.bind(this) every activity.

ButterKnifeActivity.java

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;

import butterknife.ButterKnife;

/**
 * Created by anthony on 7/17/15.
 */
public abstract class ButterKnifeActivity extends AppCompatActivity {

    public abstract int getContentView();

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(getContentView());
        ButterKnife.bind(this);
    }

}