Android Open Source - homeless-nyc Map Activity

• Back to App/city  ↑

From Project

Back to project page homeless-nyc.

License

The source code is released under:

GNU General Public License

Java Source Code

package io.rasmi.homelessnyc;
/* w  w  w. j  a  v  a  2  s  .c om*/
import java.util.ArrayList;
import java.util.HashMap;

import android.content.Intent;
import android.location.Location;
import android.os.Bundle;
import android.support.v4.app.FragmentActivity;
import android.util.Log;

import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.GoogleMap.OnInfoWindowClickListener;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.model.LatLng;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;

public class MapActivity extends FragmentActivity {
  private static final String TAG = "MapActivity";
  private GoogleMap facilityMap;
  private ArrayList<facility> facilities;
  private HashMap<Marker, facility> facilityMarkers = new HashMap<Marker, facility>();
  private String type;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.mapview);
    
    type = getIntent().getStringExtra("type");
    facilities = facilitiesManager.get(getApplicationContext()).getFacilities(type);
    
    facilityMap = ((MapFragment) getFragmentManager().findFragmentById(R.id.map)).getMap();
    
    facilityMap.setOnInfoWindowClickListener(new OnInfoWindowClickListener() {
      public void onInfoWindowClick(Marker marker){
        Intent i = new Intent(MapActivity.this, facilityInfo.class);
        i.putExtra("facility", facilityMarkers.get(marker));
        i.putExtra("type", type);
        startActivity(i);
      }
    });
    
    Log.i(TAG, "About to add markers for faciltiies");
    for (facility f : facilities) {
      addMarker(f);
    }
    Log.i(TAG, "Finished adding markers.");
    
    setTitle(getMapTitle());
    centerMap();
  }
  
  private void addMarker(facility f) {
    Marker m = facilityMap.addMarker(new MarkerOptions()
      .position(new LatLng(f.latitude, f.longitude))
      .title(f.name)
      .snippet(f.description));
    
    facilityMarkers.put(m, f);
  }
  
  private void centerMap() {
    facilityMap.setMyLocationEnabled(true);
    LatLng center;
    Location location = facilityMap.getMyLocation();
    
    if (location != null) {
      center = new LatLng(location.getLatitude(), location.getLongitude());
      facilityMap.animateCamera(CameraUpdateFactory.newLatLngZoom(center, 14));
    } else {
      // Use general NYC coordinates if location isn't available.
      center = new LatLng(40.6700, -73.9400);
      facilityMap.animateCamera(CameraUpdateFactory.newLatLngZoom(center, 10));
    }
  }
  
  private String getMapTitle(){
    String title = "Find a ";
    if ("foodbanks".equals(type)) title += getResources().getString(R.string.foodbank);
    else if ("foodstamps".equals(type)) title += getResources().getString(R.string.foodstampcenter);
    else if ("homebases".equals(type)) title += getResources().getString(R.string.homebase_site);
    else if ("libraries".equals(type)) title += getResources().getString(R.string.library);
    else if ("shelters".equals(type)) title += getResources().getString(R.string.shelter);
    return title;
  }
  
}

Java Source Code List

• Back to App/city  ↑