Android Open Source - smartnavi Places Text Search

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License

The source code is released under:

Apache License

Java Source Code

package com.ilm.sandwich.tools;
/* w w w. j  a  v  a 2s  .c o  m*/
import android.content.Context;
import android.graphics.BitmapFactory;
import android.util.Log;

import com.ilm.sandwich.Config;
import com.ilm.sandwich.GoogleMapActivity;
import com.ilm.sandwich.R;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;

public class PlacesTextSearch {

    private static final String LOG_TAG = "PlacesTextSearch";
    private static final String TYPE = "/textsearch";
    private static final String FORMAT = "/json";
    private Context context;

    public PlacesTextSearch(Context _context) {
        context = _context;
    }

    public JSONObject getDestinationCoordinates(String input) {

        JSONObject location = null;
        HttpURLConnection conn = null;
        StringBuilder jsonResults = new StringBuilder();

        try {

            StringBuilder sb = new StringBuilder(Config.PLACES_API_URL + TYPE + FORMAT);
            sb.append("?sensor=true&key=" + Config.PLACES_API_KEY);
            //sb.append("&components=country:" + Locale.getDefault().getLanguage());
            sb.append("&query=" + URLEncoder.encode(input, "utf8"));

            URL url = new URL(sb.toString());
            conn = (HttpURLConnection) url.openConnection();
            InputStreamReader in = new InputStreamReader(conn.getInputStream());

            // Load the results into a StringBuilder
            int read;
            char[] buff = new char[1024];
            while ((read = in.read(buff)) != -1) {
                jsonResults.append(buff, 0, read);
            }

            // check for OVER_QUERY_LIMIT | already done in AutoComplete

            // Create a JSON object hierarchy from the results
            JSONObject jsonObj = new JSONObject(jsonResults.toString());
            JSONArray results = jsonObj.getJSONArray("results");
            location = results.getJSONObject(0).getJSONObject("geometry").getJSONObject("location");

            JSONArray types = results.getJSONObject(0).getJSONArray("types");

            for (int i = 0; i < types.length(); i++) {
                if (types.get(i).equals("street_address") || types.get(i).equals("locality")) {
                    if (Config.usingGoogleMaps) {
                        GoogleMapActivity.drawableDest = BitmapFactory.decodeResource(context.getResources(), R.drawable.finish2);
                    }
                    break;
                } else {
                    // load custom target image from Places API
                    //URL iconurl = new URL((String)results.getJSONObject(0).get("icon"));
                    // change resource
                    //Karte.drawableDest = BitmapFactory.decodeStream(iconurl.openConnection().getInputStream());
                }
            }


        } catch (MalformedURLException e) {
            if (Config.debugMode) {
                Log.e(LOG_TAG, "Error processing Places API URL TextSearch", e);
            }
        } catch (IOException e) {
            if (Config.debugMode) {
                Log.e(LOG_TAG, "Error connecting to Places API TextSearch", e);
            }
        } catch (JSONException e) {
            if (Config.debugMode) {
                Log.e(LOG_TAG, "Cannot process JSON results", e);
            }
        } finally {
            if (conn != null) {
                conn.disconnect();
            }
        }

        return location;
    }
}

Java Source Code List

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