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.helferklassen;
/*from   www. jav  a  2 s.c o m*/
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;

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

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

import android.content.Context;
import android.graphics.BitmapFactory;

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();
      
    String randomAPI;
    if (Math.random() > 0.5) {
      //Log.d("Zufall_Text", "API MA");
      randomAPI = Config.PLACES_API_KEY_MA;
    } else {
      //Log.d("Zufall_Text", "API CH");
      randomAPI = Config.PLACES_API_KEY_CH;
    }
    
    try {

      StringBuilder sb = new StringBuilder(Config.PLACES_API_URL + TYPE + FORMAT);
      sb.append("?sensor=true&key=" + randomAPI);
      //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")) {
          
          GoogleMapActivity.drawableZiel = 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.drawableZiel = BitmapFactory.decodeStream(iconurl.openConnection().getInputStream());        
        }
      }
      

    } catch (MalformedURLException e) {
      //Log.e(LOG_TAG, "Error processing Places API URL TextSearch", e);
    } catch (IOException e) {
      //Log.e(LOG_TAG, "Error connecting to Places API TextSearch", e);
    } catch (JSONException e) {
      //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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