第10月第28天 touchesBegan hittest

1.

 -(void)touchesBegan:(NSSet *)touches withEvent:(UIEvent *)event {
    [[self nextResponder] touchesBegan:touches withEvent:event];
    [super touchesBegan:touches withEvent:event];
}
 -(void)touchesMoved:(NSSet *)touches withEvent:(UIEvent *)event {
    [[self nextResponder] touchesMoved:touches withEvent:event];
    [super touchesMoved:touches withEvent:event];
}
 -(void)touchesEnded:(NSSet *)touches withEvent:(UIEvent *)event {
    [[self nextResponder] touchesEnded:touches withEvent:event];
    [super touchesEnded:touches withEvent:event];
}

2.hittest

- (UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event  
{  
    UIView *hitView = [super hitTest:point withEvent:event];  
    if (hitView == self)  
    {  
        return nil;  
    }  
    else  
    {  
        return hitView;  
    }  
  
}

http://blog.csdn.net/reylen/article/details/45093037