Android Open Source - Geoclock Map Activity

• Back to Location/Application  ↑

From Project

Back to project page Geoclock.

License

The source code is released under:

GNU General Public License

Java Source Code

package maurizi.geoclock;
/*from  ww  w  . j  a v  a  2 s. co  m*/
import android.location.Location;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v4.widget.DrawerLayout;
import android.support.v7.app.ActionBar;
import android.support.v7.app.ActionBarActivity;
import android.view.Menu;
import android.view.MenuItem;

import com.google.android.gms.location.LocationClient;
import com.google.android.gms.maps.CameraUpdateFactory;
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.Marker;
import com.google.common.collect.BiMap;
import com.google.common.collect.HashBiMap;
import com.google.gson.Gson;

import java.util.Collection;


public class MapActivity extends ActionBarActivity
    implements NavigationDrawerFragment.NavigationDrawerCallbacks, GeoAlarmFragment.Listener {

  private static final Gson gson = new Gson();
  private static final int DEFAULT_ZOOM_LEVEL = 14;

  private SupportMapFragment mapFragment = null;
  /**
   * Fragment managing the behaviors, interactions and presentation of the navigation drawer.
   */
  private NavigationDrawerFragment navigationDrawerFragment;
  private GoogleMap map = null;
  private LocationClient locationClient = null;
  private BiMap<GeoAlarm, Marker> markers = null;

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_map);

    mapFragment = new SupportMapFragment();
    navigationDrawerFragment = new NavigationDrawerFragment();
    getSupportFragmentManager().beginTransaction()
                               .replace(R.id.map, mapFragment)
                               .replace(R.id.navigation_drawer, navigationDrawerFragment)
                               .commit();

    final LocationClientHandler handler = new LocationClientHandler();
    locationClient = new LocationClient(this, handler, handler);
    locationClient.connect();
    markers = HashBiMap.create();
  }

  @Override
  public void onResume() {
    super.onResume();
    map = mapFragment.getMap();
    if (map != null) {
      map.setMyLocationEnabled(true);
      map.setOnMapClickListener(this::showPopup);
      map.setOnMarkerClickListener(this::showPopup);
    }

    // Set up the drawer.
    final DrawerLayout drawerLayout = (DrawerLayout) findViewById(R.id.drawer_layout);
    navigationDrawerFragment.setUp(R.id.navigation_drawer, drawerLayout);

    redrawGeoAlarms();
  }

  @Override
  public void onNavigationDrawerItemSelected(GeoAlarm alarm) {
    if (map != null) {
      map.animateCamera(CameraUpdateFactory.newLatLng(alarm.location));
      markers.get(alarm).showInfoWindow();
    }
  }

  void restoreActionBar() {
    ActionBar actionBar = getSupportActionBar();
    if (actionBar != null) {
      actionBar.setNavigationMode(ActionBar.NAVIGATION_MODE_STANDARD);
      actionBar.setDisplayShowTitleEnabled(true);
    }
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    if (!navigationDrawerFragment.isDrawerOpen()) {
      // Only show items in the action bar relevant to this screen
      // if the drawer is not showing. Otherwise, let the drawer
      // decide what to show in the action bar.
      getMenuInflater().inflate(R.menu.map, menu);
      restoreActionBar();
      return true;
    }
    return super.onCreateOptionsMenu(menu);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    // Handle action bar item clicks here. The action bar will
    // automatically handle clicks on the Home/Up button, so long
    // as you specify a parent activity in AndroidManifest.xml.
    int id = item.getItemId();
    return id == R.id.action_settings || super.onOptionsItemSelected(item);
  }

  @Override
  public void onAddGeoAlarmFragmentClose(DialogFragment dialog) {
    redrawGeoAlarms();
  }

  private void redrawGeoAlarms() {
    final Collection<GeoAlarm> alarms = GeoAlarm.getGeoAlarms(this);
    navigationDrawerFragment.setGeoAlarms(alarms);
    if (map != null) {
      map.clear();
      for (final GeoAlarm alarm : alarms) {
        markers.put(alarm, map.addMarker(alarm.getMarkerOptions()));
        map.addCircle(alarm.getCircleOptions());
      }
    }
  }

  private class LocationClientHandler extends ToastLocationClientHandler {
    public LocationClientHandler() {
      super(MapActivity.this);
    }

    @Override
    public void onConnected(Bundle bundle) {
      super.onConnected(bundle);
      if (map != null) {
        final Location loc = locationClient.getLastLocation();
        if (loc != null) {
          map.moveCamera(CameraUpdateFactory.newLatLngZoom(new LatLng(loc.getLatitude(), loc.getLongitude()),
                                                           DEFAULT_ZOOM_LEVEL));
        }
      }
    }
  }

  boolean showPopup(LatLng latLng) {
    Bundle args = new Bundle();
    args.putParcelable(GeoAlarmFragment.INITIAL_LATLNG, latLng);
    args.putFloat(GeoAlarmFragment.INITIAL_ZOOM, map.getCameraPosition().zoom);

    return showPopup(args);
  }

  boolean showPopup(Marker marker) {
    final GeoAlarm alarm = markers.inverse().get(marker);
    Bundle args = new Bundle();
    args.putFloat(GeoAlarmFragment.INITIAL_ZOOM, map.getCameraPosition().zoom);
    args.putString(GeoAlarmFragment.EXISTING_ALARM, gson.toJson(alarm, GeoAlarm.class));

    return showPopup(args);
  }

  boolean showPopup(Bundle args) {
    GeoAlarmFragment popup = new GeoAlarmFragment();
    popup.setArguments(args);
    popup.show(getSupportFragmentManager(), "AddGeoAlarmFragment");

    return true;
  }
}

Java Source Code List

• Back to Location/Application  ↑