RecyclerViewExample.java

package com.daimajia.swipedemo;

import android.app.ActionBar;
import android.app.Activity;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;

import com.daimajia.swipe.util.Attributes;
import com.daimajia.swipedemo.adapter.RecyclerViewAdapter;
import com.daimajia.swipedemo.adapter.util.DividerItemDecoration;

import java.util.ArrayList;
import java.util.Arrays;

import jp.wasabeef.recyclerview.animators.FadeInLeftAnimator;

public class RecyclerViewExample extends Activity {

    /**
     * RecyclerView: The new recycler view replaces the list view. Its more modular and therefore we
     * must implement some of the functionality ourselves and attach it to our recyclerview.
     * <p/>
     * 1) Position items on the screen: This is done with LayoutManagers
     * 2) Animate & Decorate views: This is done with ItemAnimators & ItemDecorators
     * 3) Handle any touch events apart from scrolling: This is now done in our adapter's ViewHolder
     */

    private RecyclerView recyclerView;
    private RecyclerView.Adapter mAdapter;

    private ArrayList<String> mDataSet;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.recyclerview);
        recyclerView = (RecyclerView) findViewById(R.id.recycler_view);
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
            ActionBar actionBar = getActionBar();
            if (actionBar != null) {
                actionBar.setTitle("RecyclerView");
            }
        }

        // Layout Managers:
        recyclerView.setLayoutManager(new LinearLayoutManager(this));

        // Item Decorator:
        recyclerView.addItemDecoration(new DividerItemDecoration(getResources().getDrawable(R.drawable.divider)));
        recyclerView.setItemAnimator(new FadeInLeftAnimator());

        // Adapter:
        String[] adapterData = new String[]{"Alabama", "Alaska", "Arizona", "Arkansas", "California", "Colorado", "Connecticut", "Delaware", "Florida", "Georgia", "Hawaii", "Idaho", "Illinois", "Indiana", "Iowa", "Kansas", "Kentucky", "Louisiana", "Maine", "Maryland", "Massachusetts", "Michigan", "Minnesota", "Mississippi", "Missouri", "Montana", "Nebraska", "Nevada", "New Hampshire", "New Jersey", "New Mexico", "New York", "North Carolina", "North Dakota", "Ohio", "Oklahoma", "Oregon", "Pennsylvania", "Rhode Island", "South Carolina", "South Dakota", "Tennessee", "Texas", "Utah", "Vermont", "Virginia", "Washington", "West Virginia", "Wisconsin", "Wyoming"};
        mDataSet = new ArrayList<String>(Arrays.asList(adapterData));
        mAdapter = new RecyclerViewAdapter(this, mDataSet);
        ((RecyclerViewAdapter) mAdapter).setMode(Attributes.Mode.Single);
        recyclerView.setAdapter(mAdapter);

        /* Listeners */
        recyclerView.setOnScrollListener(onScrollListener);
    }

    /**
     * Substitute for our onScrollListener for RecyclerView
     */
    RecyclerView.OnScrollListener onScrollListener = new RecyclerView.OnScrollListener() {
        @Override
        public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
            super.onScrollStateChanged(recyclerView, newState);
            Log.e("ListView", "onScrollStateChanged");
        }

        @Override
        public void onScrolled(RecyclerView recyclerView, int dx, int dy) {
            super.onScrolled(recyclerView, dx, dy);
            // Could hide open views here if you wanted. //
        }
    };


    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.my, menu);
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        // Handle action bar item clicks here. The action bar will
        // automatically handle clicks on the Home/Up button, so long
        // as you specify a parent activity in AndroidManifest.xml.
        int id = item.getItemId();
        if (id == R.id.action_listview) {
            startActivity(new Intent(this, ListViewExample.class));
            finish();
            return true;
        } else if (id == R.id.action_gridview) {
            startActivity(new Intent(this, GridViewExample.class));
            finish();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}