Android Open Source - smartnavi Map Download

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From Project

Back to project page smartnavi.

License

The source code is released under:

Apache License

Java Source Code

/**
 *//from  w  ww. j  av a  2s . co m
 */
package com.ilm.sandwich.tools;

import android.os.AsyncTask;
import android.os.Environment;
import android.util.Log;

import java.io.BufferedInputStream;
import java.io.File;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;

/**
 * This class is in preparation for future use
 *
 * @author Christian Henke
 *         www.smartnavi-app.com
 */
public class MapDownload extends AsyncTask<String, String, String> {

    private String[] server = new String[4];
    private String randomServer;


    public void initialize(double lat, double lon, int zoom, boolean closeup) {
        server[0] = "http://otile1.mqcdn.com/tiles/1.0.0/map/";
        server[1] = "http://otile2.mqcdn.com/tiles/1.0.0/map/";
        server[2] = "http://otile3.mqcdn.com/tiles/1.0.0/map/";
        server[3] = "http://otile4.mqcdn.com/tiles/1.0.0/map/";
        int random = (int) (Math.random() * 3);
        randomServer = server[random];
        Log.d("egal", "Using Server Nr: " + random);
    }

    @Override
    protected String doInBackground(String... params) {
        try {
            String urlStr = randomServer + 5 + "/" + 16 + "/" + 10 + ".jpg";      //     z     y    x
            URL url = new URL(urlStr);
            HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
            InputStream in = new BufferedInputStream(urlConnection.getInputStream());
            File newFileDir = new File(Environment.getExternalStorageDirectory().toString() + "/osmdroid/tiles/MapquestOSM/" + 5 + "/" + 16);
            newFileDir.mkdirs();
            File newFile = new File(newFileDir, 10 + ".jpg.tile");
            OutputStream output = new FileOutputStream(newFile);
            int read;
            while ((read = in.read()) != -1) {
                output.write(read);
                output.flush();
            }
            output.close();
            urlConnection.disconnect();
        } catch (Exception e) {
            Log.e("egal", e.getMessage());
            e.printStackTrace();
        }
        return null;
    }
}

Java Source Code List

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