QuotesListActivity.java

package com.mindstorm.famousquotesandroid;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import com.google.api.client.extensions.android.http.AndroidHttp;
import com.google.api.client.json.gson.GsonFactory;
import com.mindstorm.famousquotes.entity.quoteendpoint.Quoteendpoint;
import com.mindstorm.famousquotes.entity.quoteendpoint.model.CollectionResponseQuote;
import com.mindstorm.famousquotes.entity.quoteendpoint.model.Quote;

import android.app.AlertDialog;
import android.app.ListActivity;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.TextView;
import android.widget.Toast;

public class QuotesListActivity extends ListActivity {
        private TextView tv = null;
        private ArrayList<Map<String,String>> list = null;
        private SimpleAdapter adapter = null;
        private String[] from = { "author", "message" };
        private int[] to = { android.R.id.text1, android.R.id.text2 };
        
        protected void onCreate(Bundle savedInstanceState) {
                super.onCreate(savedInstanceState);
                tv = new TextView(this);
                tv.setText("List of Famous Quotes");
                tv.setGravity(Gravity.CENTER);
                getListView().addHeaderView(tv);
                new QuotesListAsyncTask(this).execute();
        }

        private class QuotesListAsyncTask extends AsyncTask<Void, Void, CollectionResponseQuote>{
                  Context context;
                  private ProgressDialog pd;

                  public QuotesListAsyncTask(Context context) {
                    this.context = context;
                  }
                  
                  protected void onPreExecute(){ 
                     super.onPreExecute();
                          pd = new ProgressDialog(context);
                          pd.setMessage("Retrieving Quotes...");
                          pd.show();    
                  }

                  protected CollectionResponseQuote doInBackground(Void... unused) {
                          CollectionResponseQuote quotes = null;
                    try {
                            Quoteendpoint.Builder builder = new Quoteendpoint.Builder(AndroidHttp.newCompatibleTransport(), new GsonFactory(), null);
                                Quoteendpoint service =  builder.build();
                                quotes = service.listQuote().execute();
                    } catch (Exception e) {
                      Log.d("Could not retrieve Quotes", e.getMessage(), e);
                    }
                    return quotes;
                  }

                  protected void onPostExecute(CollectionResponseQuote quotes) {
                          pd.dismiss();
                    // Do something with the result.
                            ArrayList<Map<String, String>> list = new ArrayList<Map<String, String>>();
                           List<Quote> _list = quotes.getItems();
                                for (Quote quote : _list) {
                                        HashMap<String, String> item = new HashMap<String, String>();
                                        item.put("author", quote.getAuthor());
                                        item.put("message", quote.getMessage());
                                     list.add(item);
                                }
                                adapter = new SimpleAdapter(QuotesListActivity.this, list,android.R.layout.simple_list_item_2, from, to);
                                setListAdapter(adapter);
                  }
                }
}