Some utility classes for Data Binding.

BindingCompatActivity.java

import android.databinding.DataBindingUtil;
import android.databinding.ViewDataBinding;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.ViewGroup;

/**
 * @author alexfacciorusso
 * @since 11/08/15.
 */
public class BindingCompatActivity<BT extends ViewDataBinding> extends AppCompatActivity {
    private BT mBinding;

    @Override
    public void setContentView(int layoutResID) {
        mBinding = DataBindingUtil.setContentView(this, layoutResID);
    }

    @Override
    public void setContentView(View view) {
        super.setContentView(view);
        mBinding = DataBindingUtil.getBinding(view);
    }

    @Override
    public void setContentView(View view, ViewGroup.LayoutParams params) {
        super.setContentView(view, params);
        mBinding = DataBindingUtil.getBinding(view);
    }

    public BT getBinding() {
        return mBinding;
    }
}

BindingHolder.java

import android.databinding.DataBindingUtil;
import android.databinding.ViewDataBinding;
import android.support.annotation.LayoutRes;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.ViewGroup;

public class BindingHolder<BT extends ViewDataBinding> extends RecyclerView.ViewHolder {
    private BT mBinding;

    public BindingHolder(BT binding) {
        super(binding.getRoot());
        mBinding = binding;
    }

    public static <BT extends ViewDataBinding> BindingHolder<BT> newInstanceFrom(ViewGroup parent, @LayoutRes int layout) {
        return new BindingHolder<>(
                (BT) DataBindingUtil.inflate(LayoutInflater.from(parent.getContext()),
                        layout, parent, false));
    }

    public BT getBinding() {
        return mBinding;
    }
}