UITabBar去掉系统自带的选中图片

#pragma mark -
#pragma mark UITabBarControllerDelegate

- (BOOL)tabBarController:(UITabBarController *)tabBarController shouldSelectViewController:
    (UIViewController *)viewController{
   [self setNoHighlightTabBar];//选中时调用
}


- (void)setNoHighlightTabBar
{
    NSArray * tabBarSubviews = [self.tabBarController.tabBar subviews];
    for(UIView *sub in tabBarSubviews)
    {
        for(UIView * insub in [sub subviews])
        {
            if(insub && [NSStringFromClass([insub class]) isEqualToString:@"UITabBarSelectionIndicatorView"])//选中图片对于的view
            {
                [insub removeFromSuperview];
                break;
            }
        }
    }
}