BaseActivit.java

package eu.f3rog.ui.activity;

import android.os.Bundle;
import android.support.annotation.LayoutRes;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;

import butterknife.Bind;
import butterknife.ButterKnife;
import eu.f3rog.mangafreak.R;

/**
 * Class {@link BaseActivity}
 *
 * @author FrantisekGazo
 * @version 2016-03-11
 */
public abstract class BaseActivity
        extends AppCompatActivity {

    @Nullable
    @Bind(R.id.toolbar)
    Toolbar mToolbar;

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

        if (mToolbar != null) {
            setSupportActionBar(mToolbar);
        }
    }

    @LayoutRes
    protected abstract int getLayout();

}