MapView Code

import android.content.Context;
import android.content.Intent;
import android.util.AttributeSet;
import android.view.GestureDetector;
import android.view.GestureDetector.OnDoubleTapListener;
import android.view.GestureDetector.OnGestureListener;
import android.view.MotionEvent;
import android.widget.Toast;

import com.google.android.maps.GeoPoint;
import com.google.android.maps.MapController;
import com.google.android.maps.MapView;

public class TapControlledMapView extends MapView implements OnGestureListener {

    private GestureDetector gd;
    private OnSingleTapListener singleTapListener;
    private OnDoubleTapListener doubleTapListener;

    public TapControlledMapView(Context context, AttributeSet attrs) {
        super(context, attrs);
        setupGestures();
    }

    public TapControlledMapView(Context context, AttributeSet attrs, int defStyle) {
        super(context, attrs, defStyle);
        setupGestures();
    }

    public TapControlledMapView(Context context, String apiKey) {
        super(context, apiKey);
        setupGestures();
    }

    private void setupGestures() {
        gd = new GestureDetector(this);

        //set the on Double tap listener
        gd.setOnDoubleTapListener(new OnDoubleTapListener() {

            @Override
            public boolean onSingleTapConfirmed(MotionEvent e) {
                final MapController mc = TapControlledMapView.this.getController();
                if (singleTapListener != null) {
//                    GeoPoint p = TapControlledMapView.this.getProjection().fromPixels(
//                             (int) e.getX(),
//                             (int) e.getY());
//                  mc.animateTo(p);
                    return singleTapListener.onSingleTap(e);
                } else {
                    return false;
                }
            }

            @Override
            public boolean onDoubleTap(MotionEvent e) {
                TapControlledMapView.this.getController().zoomInFixing((int) e.getX(), (int) e.getY());
                return false;
//              if(doubleTapListener != null) {
//                  return doubleTapListener.onDoubleTap(e);
//              }
//              else{
//              return false;
//              }
            }

            @Override
            public boolean onDoubleTapEvent(MotionEvent e) {
                return false;
            }

        });
    }

    @Override
    public boolean onTouchEvent(MotionEvent ev) {
        if (this.gd.onTouchEvent(ev)) {
            return true;
        } else {
            return super.onTouchEvent(ev);
        }
    }

    public void setOnSingleTapListener(OnSingleTapListener singleTapListener) {
        this.singleTapListener = singleTapListener;
    }
    public void setOnDoubleTapListener(OnDoubleTapListener doubleTapListener) {
        this.doubleTapListener = doubleTapListener;
    }
//  public void setOnLongClickListener(OnLongClickListener longlistener)
//  {
//      this.longClickListener = longlistener;
//  }

    @Override
    public boolean onDown(MotionEvent e) {
        return false;
    }

    @Override
    public void onShowPress(MotionEvent e) {}

    @Override
    public boolean onSingleTapUp(MotionEvent e) {
     return false;
    }

    @Override
    public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX,
            float distanceY) {
        return false;
    }

    @Override
    public void onLongPress(MotionEvent e) {
    }

    @Override
    public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
            float velocityY) {
        return false;
    }
}

And here's the OnSingleTapListener interface:

import android.view.MotionEvent;

public interface OnSingleTapListener {
    public boolean onSingleTap(MotionEvent e);

}