Android Open Source - kluster-android Event Map Fragment

• Back to Location/Time  ↑

From Project

Back to project page kluster-android.

License

The source code is released under:

Apache License

Java Source Code

package com.cs446.kluster.views.fragments;
/*from  w w  w.j a v a 2s  . c  o  m*/
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Locale;

import retrofit.RestAdapter;
import android.app.LoaderManager;
import android.content.Context;
import android.content.CursorLoader;
import android.content.Loader;
import android.database.Cursor;
import android.location.LocationManager;
import android.os.Bundle;
import android.view.MenuItem;
import android.view.View;

import com.cs446.kluster.data.EventProvider;
import com.cs446.kluster.data.EventProvider.EventOpenHelper;
import com.cs446.kluster.map.MapUtils;
import com.cs446.kluster.models.Event;
import com.cs446.kluster.net.AuthKlusterRestAdapter;
import com.cs446.kluster.net.EventsCallback;
import com.cs446.kluster.net.KlusterService;
import com.cs446.kluster.views.map.PhotoInfoWindowAdapter;
import com.google.android.gms.maps.CameraUpdateFactory;
import com.google.android.gms.maps.GoogleMap;
import com.google.android.gms.maps.GoogleMap.OnCameraChangeListener;
import com.google.android.gms.maps.MapFragment;
import com.google.android.gms.maps.model.CameraPosition;
import com.google.android.gms.maps.model.LatLngBounds;
import com.google.android.gms.maps.model.Marker;
import com.google.android.gms.maps.model.MarkerOptions;


public class EventMapFragment extends MapFragment implements LoaderManager.LoaderCallbacks<Cursor> {
    // Identifies a particular Loader being used in this component
    private static final int URL_LOADER = 0;

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
      super.onActivityCreated(savedInstanceState);

      LocationManager locationManager = (LocationManager) getActivity().getSystemService(Context.LOCATION_SERVICE);

    getMap().moveCamera(CameraUpdateFactory.newLatLngZoom(MapUtils.locationToLatLng(locationManager.getLastKnownLocation(LocationManager.NETWORK_PROVIDER)), 13));
    }
  
  @Override
  public void onViewCreated(View view, Bundle savedInstanceState) {
    super.onViewCreated(view, savedInstanceState);
    
    getLoaderManager().initLoader(URL_LOADER, null, this);
    
    /*getMap().setOnMarkerClickListener(new GoogleMap.OnMarkerClickListener() {
      
      @Override
      public boolean onMarkerClick(Marker marker) {
        getMap().setInfoWindowAdapter(new PhotoInfoWindowAdapter(getActivity()));
        marker.showInfoWindow();
        return true;
      }
    });*/
    
    getMap().setOnCameraChangeListener(new OnCameraChangeListener() {
            @Override
            public void onCameraChange(CameraPosition position) {
                LatLngBounds bounds = getMap().getProjection().getVisibleRegion().latLngBounds;
                double swlong = bounds.southwest.longitude;
                double swlat = bounds.southwest.latitude;
                double nelong = bounds.northeast.longitude;
                double nelat = bounds.northeast.latitude;
            RestAdapter restAdapter = new AuthKlusterRestAdapter()
            .build();
            KlusterService service = restAdapter.create(KlusterService.class);
            
            service.getEvents(null, null, String.format("%f,%f|%f,%f", swlong, swlat, nelong, nelat), new EventsCallback(getActivity()));
            }
        });
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    return getActivity().onOptionsItemSelected(item);
  }

    @Override
    public Loader<Cursor> onCreateLoader(int loaderID, Bundle bundle)
    {
        switch (loaderID) {
            case URL_LOADER:
                // Returns a new CursorLoader
                return new CursorLoader(
                            getActivity(),   // Parent activity context
                            EventProvider.CONTENT_URI,        // Table to query
                            null,          // Projection to return
                            null,            // No selection clause
                            null,            // No selection arguments
                            null             // Default sort order
            );
            default:
                return null;
        }
    }

  @Override
  public void onLoadFinished(Loader<Cursor> loader, Cursor cursor) {
    String loc;
    String eventName;
    String eventDate;
    String eventTags;
    SimpleDateFormat df = new SimpleDateFormat("MMM dd yyyy hh:mmaa", Locale.US);

    while (cursor != null && cursor.moveToNext()) {
      loc = cursor.getString(cursor.getColumnIndex(EventOpenHelper.COLUMN_LOCATION));    
          eventName = cursor.getString(cursor.getColumnIndex(EventOpenHelper.COLUMN_EVENT_NAME));
          eventDate = cursor.getString(cursor.getColumnIndex(EventOpenHelper.COLUMN_STARTTIME));
          eventTags = cursor.getString(cursor.getColumnIndex(EventOpenHelper.COLUMN_TAGS));
          
      try {
        getMap().addMarker(new MarkerOptions()
        .position(MapUtils.stringToLatLng(loc))
        .snippet(df.format(Event.getDateFormat().parse(eventDate)))
        .title(eventName));
      } catch (ParseException e) {
      }

    }
  }

  @Override
  public void onLoaderReset(Loader<Cursor> loader) {
  }
}

Java Source Code List

• Back to Location/Time  ↑