Android Open Source - FoodFinderApp Display Place Items

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Back to project page FoodFinderApp.
License

The source code is released under:
GNU General Public License
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Java Source Code

package cs499.examples.semesterproject;
//  ww  w.  j av a  2 s.c om
import java.util.ArrayList;
import java.util.List;

import org.apache.http.NameValuePair;
import org.apache.http.message.BasicNameValuePair;

import android.os.Bundle;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.util.Log;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ListView;
import android.widget.Toast;

public class DisplayPlaceItems extends Activity 
{
  String[] items;
  ArrayList<String> selectedItems = new ArrayList<String>();
  List<NameValuePair> requests;
  ListView lv;
  String url = Constants.URL;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) 
  {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_display_place_items);
    
    Bundle extras = getIntent().getExtras();
    String sendername = extras.getString("sender");
    String placeName = extras.getString("placeName");
    lv = (ListView) findViewById (R.id.placesItemList);
    
    List<NameValuePair> pairs = new ArrayList<NameValuePair>();
    pairs.add (new BasicNameValuePair("senderName", sendername));
    pairs.add (new BasicNameValuePair("placeName", placeName));
    pairs.add (new BasicNameValuePair("action", "searchitems"));
    
    requests = new ArrayList<NameValuePair>();
    requests.add (0, new BasicNameValuePair("senderName", sendername));
    requests.add (1, new BasicNameValuePair("placeName", placeName));
    requests.add (2, new BasicNameValuePair("action", "requestitems"));
    
    AsyncSearchItems task = new AsyncSearchItems(DisplayPlaceItems.this, url, pairs, lv);
    task.execute();
    
  }
  
  public void submitItems (View view)
  {
    Log.d("In method: ", "submitItems");
    if (selectedItems.size() > 0)
    {
      String s = "";
      for (int i = 0; i < selectedItems.size(); i++)
      {
        if (i < selectedItems.size()-1)
          s += selectedItems.get(i) + ",";
        else
          s += selectedItems.get(i);
      }
      requests.add(3, new BasicNameValuePair("selectedItems", s));
      Log.d("post for selectedItems: ", s);
      AsyncSendRequest requestTask = new AsyncSendRequest(requests, url, DisplayPlaceItems.this);
      requestTask.execute();
      selectedItems = new ArrayList<String>();
    }
  }
  
  public void notifyDataReceived ()
  {
    //Log.d("Recieved data: ", s);
    lv.setOnItemClickListener(new AdapterView.OnItemClickListener ()
    {
      public void onItemClick(AdapterView<?> parent, View view,
          int position, long id) 
      {
        String s = (String) lv.getItemAtPosition(position);
        String[] itemChars = s.substring(s.indexOf(':')+1, s.length()-1).split(",");
        String itemName = itemChars[0].trim();
        
        if (!alreadyInList(selectedItems, itemName))
        {
          selectedItems.add(itemName);
          Toast.makeText(DisplayPlaceItems.this, itemName + " added to request list ", Toast.LENGTH_LONG).show();
        }
        else
        {
          Toast.makeText(DisplayPlaceItems.this, itemName + " is already in your request list ", Toast.LENGTH_LONG).show();
        }
      }
        
    });
  }
  
  public boolean alreadyInList (ArrayList<String> items, String item)
  {  
    for (int i = 0; i < items.size(); i++)
    {
      if (items.get(i).equals(item))
      {
        return true;
      }
    }
    return false;
  }

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

}
Java Source Code List
