Android Google Map : Marker Location from PHP/MySQL (JSON)

package com.myapp;

import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.SupportMapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.MarkerOptions;

import android.os.Bundle;
import android.os.StrictMode;
import android.support.v4.app.FragmentActivity;
import android.util.Log;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.HashMap;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.StatusLine;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import com.google.android.gms.maps.CameraUpdateFactory;

public class MainActivity extends FragmentActivity {

	// Google Map
	private GoogleMap googleMap;

	// Latitude & Longitude
	private Double Latitude = 0.00;
	private Double Longitude = 0.00;

	protected void onCreate(Bundle savedInstanceState) {
		super.onCreate(savedInstanceState);
		setContentView(R.layout.activity_main);

        //*** Permission StrictMode
        if (android.os.Build.VERSION.SDK_INT > 9) {
            StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
            StrictMode.setThreadPolicy(policy);
        }
        
		ArrayList<HashMap<String, String>> location = null;
        String url = "https://www.thaicreate.com/android/getLatLon.php";
		try {
			
			JSONArray data = new JSONArray(getHttpGet(url));
			
			location = new ArrayList<HashMap<String, String>>();
			HashMap<String, String> map;
			
			for(int i = 0; i < data.length(); i++){
                JSONObject c = data.getJSONObject(i);
             			
    			map = new HashMap<String, String>();
    			map.put("LocationID", c.getString("LocationID"));
    			map.put("Latitude", c.getString("Latitude"));
    			map.put("Longitude", c.getString("Longitude"));
    			map.put("LocationName", c.getString("LocationName"));
    			location.add(map);
    			
			}	        
			
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		

		// *** Display Google Map
		googleMap = ((SupportMapFragment) getSupportFragmentManager().findFragmentById(R.id.googleMap)).getMap();

		// *** Focus & Zoom
		Latitude = Double.parseDouble(location.get(0).get("Latitude").toString());
		Longitude = Double.parseDouble(location.get(0).get("Longitude").toString());
		LatLng coordinate = new LatLng(Latitude, Longitude);
		googleMap.setMapType(com.google.android.gms.maps.GoogleMap.MAP_TYPE_HYBRID);
		googleMap.animateCamera(CameraUpdateFactory.newLatLngZoom(coordinate, 17));

		// *** Marker (Loop)
		for (int i = 0; i < location.size(); i++) {
			Latitude = Double.parseDouble(location.get(i).get("Latitude").toString());
			Longitude = Double.parseDouble(location.get(i).get("Longitude").toString());
			String name = location.get(i).get("LocationName").toString();
			MarkerOptions marker = new MarkerOptions().position(new LatLng(Latitude, Longitude)).title(name);
			googleMap.addMarker(marker);
		}

	}

	public static String getHttpGet(String url) {
		StringBuilder str = new StringBuilder();
		HttpClient client = new DefaultHttpClient();
		HttpGet httpGet = new HttpGet(url);
		try {
			HttpResponse response = client.execute(httpGet);
			StatusLine statusLine = response.getStatusLine();
			int statusCode = statusLine.getStatusCode();
			if (statusCode == 200) { // Download OK
				HttpEntity entity = response.getEntity();
				InputStream content = entity.getContent();
				BufferedReader reader = new BufferedReader(new InputStreamReader(content));
				String line;
				while ((line = reader.readLine()) != null) {
					str.append(line);
				}
			} else {
				Log.e("Log", "Failed to download result..");
			}
		} catch (ClientProtocolException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
		return str.toString();
	}
	
}