Android Open Source - SmartNavi Map Events Overlay

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License

The source code is released under:

Apache License

Java Source Code

package org.osmdroid.bonuspack.overlays;
/*from  w  ww .  ja v a  2  s  . c om*/
import org.osmdroid.util.GeoPoint;
import org.osmdroid.views.MapView;
import org.osmdroid.views.Projection;
import org.osmdroid.views.overlay.Overlay;
import android.content.Context;
import android.graphics.Canvas;
import android.view.MotionEvent;

/**
 * Empty overlay than can be used to detect events on the map, 
 * and to throw them to a MapEventsReceiver. 
 * @see MapEventsReceiver
 * @author M.Kergall
 */
public class MapEventsOverlay extends Overlay {

  private MapEventsReceiver mReceiver;
  
  /**
   * @param ctx the context
   * @param receiver the object that will receive/handle the events. 
   * It must implement MapEventsReceiver interface. 
   */
  public MapEventsOverlay(Context ctx, MapEventsReceiver receiver) {
        super(ctx);
    mReceiver = receiver;
    }

  @Override protected void draw(Canvas c, MapView osmv, boolean shadow) {
    //Nothing to draw
  }
  
  @Override public boolean onSingleTapConfirmed(MotionEvent e, MapView mapView){
    Projection proj = mapView.getProjection();
    GeoPoint p = (GeoPoint)proj.fromPixels((int)e.getX(), (int)e.getY());
    return mReceiver.singleTapConfirmedHelper(p);
  }
  
  @Override public boolean onLongPress(MotionEvent e, MapView mapView) {
    Projection proj = mapView.getProjection();
    GeoPoint p = (GeoPoint)proj.fromPixels((int)e.getX(), (int)e.getY());
    //throw event to the receiver:
    return mReceiver.longPressHelper(p);
    }

}

Java Source Code List

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