Composed View Holder with decoupled OnClickListener

ModelAdapter.java

package com.example.ui.utils;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import java.util.ArrayList;
import java.util.List;

import static com.example.util.Preconditions.checkPositionIndex;

public abstract class ModelAdapter<Model, VH extends ModelViewHolder<Model>>
        extends RecyclerView.Adapter<VH> {
    private List<Model> data = new ArrayList<>();
    private final int layoutId;
    private Context context;
    protected OnItemClickListener<Model> clickListener;

    public interface OnItemClickListener<Model> {
        void onItemClick(View view, int position, Model model);
    }

    public ModelAdapter(int layoutId) {
        this.layoutId = layoutId;
    }

    protected abstract VH createViewHolder(View view);

    @Override
    public VH onCreateViewHolder(final ViewGroup parent, final int viewType) {
        final View view = LayoutInflater
                .from(parent.getContext())
                .inflate(layoutId, parent, false);
        context = parent.getContext();
        VH holder = createViewHolder(view);
        holder.setOnItemClickListener(clickListener);
        return holder;
    }

    @Override
    public int getItemCount() {
        return data.size();
    }

    @Override
    public void onBindViewHolder(VH holder, final int position) {
        checkPositionIndex(position, data.size());
        Model model = data.get(position);
        holder.setModel(model);
    }

    public void setData(List<Model> data) {
        this.data = data;
        notifyDataSetChanged();
    }

    public void setOnItemClickListener(OnItemClickListener<Model> listener) {
        this.clickListener = listener;
    }

    protected Context getContext() {
        return this.context;
    }
}

ModelViewHolder.java

package com.example.ui.utils;

import android.support.v7.widget.RecyclerView;
import android.view.View;

public abstract class ModelViewHolder<Model> extends RecyclerView.ViewHolder
        implements View.OnClickListener {

    private ModelAdapter.OnItemClickListener<Model> clickListener;
    private Model model;

    public ModelViewHolder(View itemView) {
        super(itemView);
        itemView.setOnClickListener(this);
    }

    void setModel(Model model) {
        this.model = model;
        bindModel(model);
    }

    protected abstract void bindModel(Model model);

    public void onClick(View view) {
        if (clickListener != null) {
            clickListener.onItemClick(view, getAdapterPosition(), model);
        }
    }

    void setOnItemClickListener(ModelAdapter.OnItemClickListener listener) {
        this.clickListener = listener;
    }
}

Test.java

// This class is generated. Do not modify!
package com.example.data.api.model;

import com.google.gson.annotations.SerializedName;

public final class Test {
    @SerializedName("title")
    public final String title;
    @SerializedName("subtitle")
    public final String subtitle;

    public Test(
        String title,
        String subtitle,
    ) {
        this.title = title;
        this.subtitle = subtitle;
    }
}

TestAdapter.java

package com.example.ui.test;

import android.view.View;
import android.widget.TextView;

import com.example.R;
import com.example.data.api.model.Test;
import com.example.ui.utils.ModelViewHolder;
import com.example.ui.utils.ModelAdapter;

import butterknife.Bind;
import butterknife.ButterKnife;

public class TestAdapter extends ModelAdapter<Test, TestAdapter.TestViewHolder>{

    public TestAdapter() {
        super(R.layout.test_item);
    }

    @Override
    protected TestViewHolder createViewHolder(View view) {
        return new TestViewHolder(view);
    }

    public static class TestViewHolder extends ModelViewHolder<Test> {
        @Bind(R.id.text1)
        TextView text1;

        @Bind(R.id.text2)
        TextView text2;

        public TestViewHolder(final View itemView) {
            super(itemView);
            ButterKnife.bind(this, itemView);
        }

        @Override
        protected void bindModel(Test test) {
            text1.setText(test.title);
            text2.setText(test.subtitle);
        }
    }
}