Hi Zeeshan,

Maybe you can study this implementation of a MapActivity and
OnGestureDetector:
http://blog.js-development.com/2009/12/mapview-doesnt-fire-onlongclick-event.html

Kind regards,


Bram van Driel


On 7 jul, 17:23, Michael MacDonald <[email protected]> wrote:
> Maybe the problem is you are not forwarding touch events to the
> GestureDetector
>
> I would expect to see something like
>
>     @Override
>     public boolean onTouchEvent(MotionEvent evt) {
>         return detector.onTouchEvent(evt);
>     }
>
> On 07/06/10 21:07, zeeshan mirza wrote:
>
>
>
> > Here is my own code which i have written up till now. I am trying to
> > implement onDoubleTap() zoom in function in my application. My code is
> > as follows. LEt me know where is the problem ? and if possible please
> > add the correct code for double tap zoom in function.
>
> > public class Maps extends MapActivity implements OnGestureListener,
> > OnDoubleTapListener{
>
> >  private GestureDetector detector;
> >  MapView mapView;
> >  /** Called when the activity is first created. */
> > �...@override
> >     public void onCreate(Bundle savedInstanceState) {
> >         super.onCreate(savedInstanceState);
> >         setContentView(R.layout.main);
> >         //MapViewer mapViewer = new MapViewer(null, null);
> >         mapView = (MapView) findViewById(R.id.mapview);
> >         detector = new GestureDetector(this,this);
> >         mapView.setBuiltInZoomControls(true);
> >     }
> > �...@override
> >  protected boolean isRouteDisplayed() {
> >    return false;
> >  }
>
> >  public boolean onDoubleTap(MotionEvent e) {
> >   // TODO Auto-generated method stub
> >   mapView.getController().zoomIn();
> >   return false;
> >  }
> >  public boolean onDoubleTapEvent(MotionEvent e) {
> >   // TODO Auto-generated method stub
> >   return false;
> >  }
> >  public boolean onSingleTapConfirmed(MotionEvent e) {
> >   // TODO Auto-generated method stub
> >   return false;
> >  }
> >  public boolean onDown(MotionEvent e) {
> >   // TODO Auto-generated method stub
> >   return false;
> >  }
> >  public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
> >    float velocityY) {
> >   // TODO Auto-generated method stub
> >   return false;
> >  }
> >  public void onLongPress(MotionEvent e) {
> >   // TODO Auto-generated method stub
>
> >  }
> >  public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,
> >    float distanceY) {
> >   // TODO Auto-generated method stub
> >   return false;
> >  }
> >  public void onShowPress(MotionEvent e) {
> >   // TODO Auto-generated method stub
>
> >  }
> >  public boolean onSingleTapUp(MotionEvent e) {
> >   // TODO Auto-generated method stub
> >   return false;
> >  }
> > }
>
> > On Fri, Jul 2, 2010 at 5:26 PM, TreKing <[email protected]
> > <mailto:[email protected]>> wrote:
>
> >     On Wed, Jun 30, 2010 at 2:44 PM, SilentCoders
> >     <[email protected]
> >     <mailto:[email protected]>> wrote:
>
> >         I need a sample code which i can use in my application.
>
> >     No, you need to do your own work and ask specific questions when
> >     you get stuck.
>
> >     Start with the Google Maps API documentation, the Hello MapView
> >     (or whatever it's called) sample on the official documentation
> >     site. Review handling touch events and start putting something
> >     together. If you get stuck on something specific, come back, show
> >     what you've done and ask a specific question someone may be able
> >     to help you out with.
>
> >     
> > --------------------------------------------------------------------------- 
> > ----------------------
> >     TreKing - Chicago transit tracking app for Android-powered devices
> >    http://sites.google.com/site/rezmobileapps/treking
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