com.eyekabob.VenueList.java Source code

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Here is the source code for com.eyekabob.VenueList.java

Source

/**
 *  2014 Brien Coffield
 *
 * This file is subject to the terms and conditions defined in
 * file 'LICENSE', which is part of this source code package.
 */
package com.eyekabob;

import android.util.Log;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import android.content.Intent;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.Toast;

import com.eyekabob.adapters.VenueListAdapter;
import com.eyekabob.models.Venue;
import com.eyekabob.util.JSONTask;

public class VenueList extends EyekabobActivity {
    private VenueListAdapter adapter;
    private OnItemClickListener listItemListener = new OnItemClickListener() {
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            Venue venue = (Venue) parent.getAdapter().getItem(position);
            Intent intent = new Intent(getApplicationContext(), VenueInfo.class);
            intent.putExtra("venue", venue);
            startActivity(intent);
        }
    };

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.adlistactivity);
        adapter = new VenueListAdapter(getApplicationContext());
        Uri uri = this.getIntent().getData();
        new RequestTask().execute(uri.toString());
        ListView lv = (ListView) findViewById(R.id.adList);
        lv.setAdapter(adapter);
        lv.setOnItemClickListener(listItemListener);
    }

    protected void loadVenues(JSONObject response) {
        try {
            JSONObject venues = response.getJSONObject("results");
            JSONObject matches = venues.getJSONObject("venuematches");
            Object jsonVenueObj = matches.get("venue");
            JSONArray jsonVenue;
            if (jsonVenueObj instanceof JSONObject) {
                // Only one venue result was returned. So wrap it in an array.
                jsonVenue = new JSONArray();
                jsonVenue.put(jsonVenueObj);
            } else {
                jsonVenue = (JSONArray) jsonVenueObj;
            }

            if (jsonVenue.length() == 0) {
                Toast.makeText(getApplicationContext(), R.string.no_results, Toast.LENGTH_LONG).show();
                return;
            }
            for (int i = 0; i < jsonVenue.length(); i++) {
                JSONObject venue = jsonVenue.getJSONObject(i);
                JSONObject location = venue.getJSONObject("location");

                Venue venueRow = new Venue();

                venueRow.setId(venue.optString("id"));
                venueRow.setName(venue.optString("name"));
                venueRow.setUrl(venue.optString("url"));

                venueRow.setCity(location.optString("city"));
                venueRow.setCountry(location.optString("country"));
                venueRow.setStreet(location.optString("street"));

                JSONObject geoPoint = venue.optJSONObject("geo:point");
                if (geoPoint != null) {
                    venueRow.setLat(geoPoint.optString("geo:lat"));
                    venueRow.setLon(geoPoint.optString("geo:long"));
                }

                adapter.add(venueRow);
            }
        } catch (JSONException e) {
            Log.e(getClass().getName(), "Unable to load venue list", e);
            Toast.makeText(this, R.string.venue_list_error, Toast.LENGTH_LONG).show();
        }
    }

    // Handles the asynchronous request, away from the UI thread.
    private class RequestTask extends JSONTask {
        protected void onPreExecute() {
            VenueList.this.createDialog(R.string.searching);
            VenueList.this.showDialog();
        }

        protected void onPostExecute(JSONObject result) {
            VenueList.this.dismissDialog();
            VenueList.this.loadVenues(result);
        }
    }
}