RecyclerView adapter class for using data binding to replace view inflation.

DataBindingRecyclerViewAdapter.java

package foo.bar;

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;

import java.util.List;

/**
 * RecyclerView adapter class for using data binding to replace view inflation.
 */
public abstract class DataBindingRecyclerViewAdapter<B extends ViewDataBinding> extends
        RecyclerView.Adapter<DataBindingRecyclerViewAdapter.ViewHolder<B>> {

    @LayoutRes
    public abstract int getLayoutResId(int viewType);

    @Override
    public ViewHolder<B> onCreateViewHolder(ViewGroup parent, int viewType) {
        //noinspection unchecked
        return new ViewHolder<>((B) DataBindingUtil.inflate(
                LayoutInflater.from(parent.getContext()),
                getLayoutResId(viewType),
                parent,
                false));
    }

    @Override
    public void onBindViewHolder(ViewHolder<B> holder, int position) {
        onBindViewHolder(holder.getBinding(), position);
    }

    public abstract void onBindViewHolder(B binding, int position);

    @Override
    public void onBindViewHolder(ViewHolder<B> holder, int position, List<Object> payloads) {
        onBindViewHolder(holder.getBinding(), position, payloads);
    }

    public void onBindViewHolder(B binding, int position, List<Object> payloads) {
        onBindViewHolder(binding, position);
    }

    @Override
    public void onViewRecycled(ViewHolder<B> holder) {
        onViewRecycled(holder.getBinding());
    }

    public void onViewRecycled(B binding) {
    }

    @Override
    public boolean onFailedToRecycleView(ViewHolder<B> holder) {
        return onFailedToRecycleView(holder.getBinding());
    }

    public boolean onFailedToRecycleView(B binding) {
        return false;
    }

    @Override
    public void onViewAttachedToWindow(ViewHolder<B> holder) {
        onViewAttachedToWindow(holder.getBinding());
    }

    public void onViewAttachedToWindow(B binding) {
    }

    @Override
    public void onViewDetachedFromWindow(ViewHolder<B> holder) {
        onViewDetachedFromWindow(holder.getBinding());
    }

    public void onViewDetachedFromWindow(B binding) {
    }

    static class ViewHolder<B extends ViewDataBinding> extends RecyclerView.ViewHolder {
        private final B binding;

        private ViewHolder(B binding) {
            super(binding.getRoot());
            this.binding = binding;
        }

        public B getBinding() {
            return binding;
        }
    }
}