TapControlledMapView.java

package com.readystatesoftware.maps;

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

import com.google.android.maps.MapView;

public class TapControlledMapView extends MapView implements OnGestureListener {

    private GestureDetector gd;    
    private OnSingleTapListener singleTapListener;

    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() {

            public boolean onSingleTapConfirmed(MotionEvent e) {
                if (singleTapListener != null) {
                    return singleTapListener.onSingleTap(e);
                } else {
                    return false;
                }
            }

            public boolean onDoubleTap(MotionEvent e) {
                TapControlledMapView.this.getController().zoomInFixing((int) e.getX(), (int) e.getY());
                return false;
            }

            public boolean onDoubleTapEvent(MotionEvent e) {
                return false;
            }
            
        });
    }
    
    /*
     * (non-Javadoc)
     * @see com.google.android.maps.MapView#onTouchEvent(android.view.MotionEvent)
     */
    @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 boolean onDown(MotionEvent e) {
        return false;
    }

    public void onShowPress(MotionEvent e) {}

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

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

    public void onLongPress(MotionEvent e) {}

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