BaseBindingActivity.java

public abstract class BaseBindingActivity<T extends ViewDataBinding> extends AppCompatActivity {
    public PreferenceUtils preferences;
    T binding;

    protected abstract int attachView();

    protected abstract void initView();

    protected abstract void initToolbar();

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        preferences = new PreferenceUtils(this);

        binding = DataBindingUtil.setContentView(this, attachView());
        initToolbar();
        initView();
    }
}

BaseBindingView.java

package com.hlabexamples.commonmvp.base.mvp.view;

import android.databinding.ViewDataBinding;

/**
 * Created by H.T. on 01/12/17.
 */

public interface BaseBindingView<T extends ViewDataBinding> extends BaseView {
    T getBinding();
}