Nearby

package info.rekayasa.palmo;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;

import com.google.analytics.tracking.android.EasyTracker;
import com.google.analytics.tracking.android.MapBuilder;
import com.google.android.gms.maps.GoogleMap;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.Menu;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListAdapter;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.AdapterView.OnItemClickListener;

public class Nearby extends Activity implements LocationListener{
    private MyDatabase db;
    public static double lat;
    public static double lng;
    ListView listlokasi;
    ListViewAdapter lviewAdapter;
    private EasyTracker easyTracker = null;
    GoogleMap map;
    double curlat, curlng;
    float distance;
    protected LocationManager locationManager;
    protected LocationListener locationListener;
    private ArrayList<HashMap<String, String>> locationtList;

    String [] nama = new String[100];

    private static final String TAG_NO = "no";
    private static final String TAG_NAME = "nama";
    private static final String TAG_DISTANCE = "distance";

    ArrayAdapter<String> adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.location_list);
        listlokasi=(ListView)findViewById(R.id.listLocation);
        listlokasi.setTextFilterEnabled(true);
        easyTracker = EasyTracker.getInstance(Nearby.this);

        db = new MyDatabase(this);
        db.getLocation();

        locationManager = (LocationManager)getSystemService(Context.LOCATION_SERVICE);
        if (!locationManager.isProviderEnabled( LocationManager.GPS_PROVIDER ) ) {
            locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 5000, 10, this);

            curlat = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER).getLatitude();
            curlng = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER).getLongitude();
        }
        else if(locationManager.isProviderEnabled( LocationManager.GPS_PROVIDER )){
            locationManager.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 5000, 10, this);

            curlat = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER).getLatitude();
            curlng = locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER).getLongitude();
        }


        adapter = new ArrayAdapter<String>(this, android.R.layout.two_line_list_item, nama);
        listlokasi.setAdapter(adapter);


        fill();
    }

    @Override
    protected void onStart() {
        super.onStart();
        EasyTracker.getInstance(this).activityStart(this);
    }

    @Override
    protected void onStop() {
        super.onStop();
        EasyTracker.getInstance(this).activityStop(this);
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // Inflate the menu; this adds items to the action bar if it is present.
        getMenuInflater().inflate(R.menu.main, menu);
        return true;
    }

    //mengisi listview dan mendeteksi tap pada item list
    //dan memanggil google maps untuk menunjukkan lokasi yg dipilih
    public void fill(){

        locationtList = new ArrayList<HashMap<String, String>>();

        for(int i=0;i<db.namamap.size();i++){
            System.out.println("i: "+i);
            String no=db.nomap.get(i);
            String nama=db.namamap.get(i);
            String destlat=db.latmap.get(i);
            String destlng=db.lngmap.get(i);
            double dlat = Double.parseDouble(destlat);
            double dlng = Double.parseDouble(destlng);
            distance = getDistance(dlat, dlng);
            float dist = distance/1000;

            String distance = String.valueOf(dist)+" km";
            System.out.println("Nama: "+nama);
            System.out.println("Distance: "+distance);
            System.out.println("Lat: "+curlat);
            System.out.println("Lng: "+curlng);

            HashMap<String, String> map = new HashMap<String, String>();
            map.put(TAG_NAME, nama);
            map.put(TAG_DISTANCE, distance);
            map.put(TAG_NO,no);
            locationtList.add(i, map);
        }

        Collections.sort(locationtList, new MapComparator(TAG_DISTANCE));

        ListAdapter adapter = new SimpleAdapter(this, locationtList,
                R.layout.rowlist, new String[] { TAG_NAME, TAG_DISTANCE },
                new int[] { R.id.tvNama, R.id.tvAlamat });

        listlokasi.setAdapter(adapter);

        listlokasi.setOnItemClickListener(new OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> arg0, View view, int posisi,
                    long id) {
                String no = null,nama = null,alamat = null,telpon = null,foto = null,destlat,destlng;
                double dlat = 0, dlng = 0;
                for(int i=0;i<locationtList.size();i++)
                {
                    if(posisi==i)
                    {
                        HashMap<String, String> pecah_data=locationtList.get(i);

                        String nomor = pecah_data.get("no");
                        db.getNearbyLocation(nomor);
                        System.out.println("nomor: "+nomor);

                        for(int j=0;j<db.namamap.size();j++){
                            System.out.println("j: "+j);
                            no=db.nomap.get(j);
                            nama=db.namamap.get(j);
                            alamat=db.alamatmap.get(j);
                            telpon=db.telponmap.get(j);
                            foto=db.gambarmap.get(j);
                            destlat=db.latmap.get(j);
                            destlng=db.lngmap.get(j);
                            dlat = Double.parseDouble(destlat);
                            dlng = Double.parseDouble(destlng);
                        }


                        easyTracker.send(MapBuilder.createEvent("Nama lokasi: "+nama,
                                null, null, null).build());


                        Intent intent = new Intent (Nearby.this,LocationDetail.class);
                        intent.putExtra("no", no);
                        intent.putExtra("nama", nama);
                        intent.putExtra("alamat", alamat);
                        intent.putExtra("telpon", telpon);
                        intent.putExtra("latitude", dlat);
                        intent.putExtra("longitude", dlng);
                        intent.putExtra("foto", foto);
                        startActivity(intent);
                    }
                }


            }
        });
    }

    public float getDistance(double destlat, double destlng){
        float[] results= new float[1];
        Location.distanceBetween(curlat, curlng, destlat, destlng, results);
        float distance = results[0];
        return distance;
    }

    @Override
    public void onLocationChanged(Location location) {
        // TODO Auto-generated method stub
        this.curlat = location.getLatitude();
        this.curlng = location.getLongitude();

        fill();
    }

    @Override
    public void onStatusChanged(String provider, int status, Bundle extras) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onProviderEnabled(String provider) {
        // TODO Auto-generated method stub
    }

    @Override
    public void onProviderDisabled(String provider) {
        // TODO Auto-generated method stub

    }

    @Override
    public void onPause(){
        super.onPause();
        locationManager.removeUpdates(this);

    }

}