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| package com.example.recherche_restaurant;
import java.io.InputStream;
import java.util.List;
import org.apache.http.HttpEntity;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import com.example.recherche_restaurant.R;
import com.example.recherche_restaurant.JsonParser;
import com.example.recherche_restaurant.ListItimizedOverlay;
import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapActivity;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;
import com.google.android.maps.MyLocationOverlay;
import com.google.android.maps.Overlay;
import com.google.android.maps.OverlayItem;
import android.graphics.drawable.Drawable;
import android.location.Location;
import android.location.LocationListener;
import android.location.LocationManager;
import android.os.AsyncTask;
import android.os.Bundle;
import android.view.KeyEvent;
public class MainActivity extends MapActivity implements
LocationListener {
private static double lat = 0;
private static double lng = 0;
private static final String TAG_results = "results";
private static final String TAG_geometry = "geometry";
private static final String TAG_location = "location";
private static final String TAG_lat = "lat";
private static final String TAG_lng = "lng";
JSONArray contacts = null;
private MapView mapView = null;
private LocationManager lm = null;
private MapController mc = null;
private MyLocationOverlay myLocation = null;
HttpEntity httpEntity;
static InputStream is = null;
static JSONObject jObj = null;
static String json = "";
final String extra_longitude ="";
final String extra_latitude ="";
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mapView = (MapView) this.findViewById(R.id.mapView);
mapView.setBuiltInZoomControls(true);
lm = (LocationManager) this.getSystemService(LOCATION_SERVICE);
lm.requestLocationUpdates(LocationManager.GPS_PROVIDER, 10, 0, this);
lm.requestLocationUpdates(LocationManager.NETWORK_PROVIDER, 10000, 0,
this);
mc = mapView.getController();
mc.setZoom(15);
myLocation = new MyLocationOverlay(getApplicationContext(), mapView);
myLocation.runOnFirstFix(new Runnable() {
public void run() {
mc.animateTo(myLocation.getMyLocation());
mc.setZoom(17);
}
});
mapView.getOverlays().add(myLocation);
myLocation.enableMyLocation();
}
@Override
protected void onResume() {
super.onResume();
myLocation.enableMyLocation();
myLocation.enableCompass();
}
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_S) {
mapView.setSatellite(!mapView.isSatellite());
return true;
}
return super.onKeyDown(keyCode, event);
}
@Override
public void onLocationChanged(Location location) {
lat = location.getLatitude();
lng = location.getLongitude();
Drawable drawable = this.getResources().getDrawable(R.drawable.ic_launcher);
final ListItimizedOverlay itemizedoverlay = new ListItimizedOverlay(drawable,this);
final String url = "https://maps.googleapis.com/maps/api/place/nearbysearch/json?location="+lat+","+lng +"&radius=500&types=food&name=harbour&sensor=true&key=AIzaSyDxms7wMJorpD9LZVRL9OiozgV1D9wJKxo";
new AsyncTask<Void, Void, JSONObject>(){
@Override
protected JSONObject doInBackground(Void... params) {
// instancier la classe JsonParser
JsonParser jParser = new JsonParser ();
// récupérer le JSONObject à partir de lurl du fichier employes.json
JSONObject json = jParser.getJSONFromUrl(url);
return json;
};
protected void onPostExecute(JSONObject json) {
try {
// récupérer la liste de tous les employés
JSONArray results = json.getJSONArray(TAG_results);
// parcourir toute la liste des employés
for(int i = 0; i < results.length(); i++){
// récupérer un employé de type JSONObject
JSONObject emp = results.getJSONObject(i);
// récupérer le JSONObject phone qui contient deux items
JSONObject geometry = emp.getJSONObject(TAG_geometry);
JSONObject location = geometry.getJSONObject(TAG_location);
String latitude = location.getString(TAG_lat);
String longitude= location.getString(TAG_lng);
double b = Double.parseDouble(latitude);
double c = Double.parseDouble(longitude);
GeoPoint geoPoint = new GeoPoint((int) (c* 1E6) , (int)(b* 1E6));
OverlayItem overlayitem = new OverlayItem(geoPoint, "Hello from", "Tahiti");
itemizedoverlay.addOverlayItem(overlayitem);
List<Overlay> mapOverlays = mapView.getOverlays();
mapOverlays.add(itemizedoverlay);
}
}
catch(JSONException e)
{
e.printStackTrace();
}
};
}.execute();
}
@Override
public void onProviderDisabled(String arg0) {
// TODO Auto-generated method stub
}
@Override
public void onProviderEnabled(String arg0) {
// TODO Auto-generated method stub
}
@Override
public void onStatusChanged(String arg0, int arg1, Bundle arg2) {
// TODO Auto-generated method stub
}
@Override
protected boolean isRouteDisplayed() {
// TODO Auto-generated method stub
return false;
}
} |
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