Exploring MapQuest API: Unraveling the process of dissecting MapQuest

I am currently exploring MapQuest navigation and utilizing JavaScript code to retrieve the data.

Although I am able to extract JSON content in my application, I am unsure of how to utilize this data for navigation. I have started a new project and executed the code.

class jsonapp extends AsyncTask<String, Void, String>{

@Override
protected String doInBackground(String... uri) {
    // TODO Implement the method...

I am aiming to create a narrative-style navigation system. Any guidance on how to achieve this?

Am I on the right track with my approach?

Thank you in advance for your help.

javascriptandroidjsonjsonpmapquest

Answer №1

I have personally found success with this method:

For the route matrix, I followed a similar approach that you can also try for your specific route.

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URLEncoder;

import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONObject;

public class ApacheHttpClientGet {

    static DefaultHttpClient httpClient = new DefaultHttpClient();
    static HttpGet getRequest;
    static HttpResponse response;

    public static void main(String[] args) {
        try {

            getRequest = new HttpGet("http://www.mapquestapi.com/directions/v2/routematrix?key=XFZxlqQQJbNaABkGXuaRfUHSIdYXuIBh&.format(lat,long)&inFormat=kvp&outFormat=json&from=BuddhdaveColony,vadodara,gujarat&to=oldpadraroad,vadodara,gujarat&unit=k");

            response = httpClient.execute(getRequest);

            if (response.getStatusLine().getStatusCode() != 200) {
                throw new RuntimeException("Failed : HTTP error code : "
                        + response.getStatusLine().getStatusCode());
            }

            BufferedReader br = new BufferedReader(new InputStreamReader(
                    (response.getEntity().getContent())));

            String output;
            String jsonData="";
            System.out.println("Output from Server .... \n");
            while ((output = br.readLine()) != null) {
                jsonData += output + "\n";
                System.out.println(jsonData);
            }

            JSONObject obj = new JSONObject(jsonData);
            System.out.println("allToAll: " + obj.getBoolean("allToAll"));
            System.out.println("distance: " + obj.getJSONArray("distance"));

            httpClient.getConnectionManager().shutdown();

        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
                e.printStackTrace();
        }
    }
}

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