学步园

    //单击
    UITapGestureRecognizer *singleTapOne = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleSingleTap:)];    
    singleTapOne.numberOfTouchesRequired = 1;  
    singleTapOne.numberOfTapsRequired = 1;   
    //双击
    UITapGestureRecognizer *doubleTapOne = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(handleDoubleTap:)];    
    doubleTapOne.numberOfTouchesRequired = 1;   
    doubleTapOne.numberOfTapsRequired = 2;  
    //很重要，这样双击就不会触发单击事件
    [singleTapOne requireGestureRecognizerToFail:doubleTapOne];   
    
    [self.mapView addGestureRecognizer:singleTapOne];  
    [singleTapOne release];    
    [self.mapView addGestureRecognizer:doubleTapOne];  
    [doubleTapOne release];