Decrease the clickable area of the bar buttons in navigation bar.

Some the you need to add the buttons just below UINavigationbar, but the UIBarButton on navbar click area interfere with your custom button click area.

I added hitTest:withEvent:  code to my  custom UINavigationbar subclass..


-(UIView *)hitTest:(CGPoint)point withEvent:(UIEvent *)event
{
            int errorMargin = 5;// space left to decrease the click event area
            CGRect smallerFrame = CGRectMake(0 , 0 - errorMargin, self.frame.size.width, self.frame.size.height);
            BOOL isTouchAllowed =  (CGRectContainsPoint(smallerFrame, point) == 1);
           
            if (isTouchAllowed) {
                self.userInteractionEnabled = YES;
            } else {
                self.userInteractionEnabled = NO;
            }
            return [super hitTest:point withEvent:event];
        }
}

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