去掉tabbar的边框线

转载自：http://www.shangxueba.com/jingyan/2453883.html

- (void)viewWillAppear:(BOOL)animated{//去掉UITabbar的边框线

    
    [self.tabBarController.tabBar setBackgroundImage:[Utill createImageWithColor:[UIColor clearColor]]];
    
    [self.tabBarController.tabBar setShadowImage:[Utill createImageWithColor:[UIColor clearColor]]];
}

转载自：http://blog.csdn.net/hengshujiyi/article/details/22855811

- (UIImage*) createImageWithColor: (UIColor*) color

{

    CGRect rect=CGRectMake(0.0f, 0.0f, 1.0f, 1.0f);

    UIGraphicsBeginImageContext(rect.size);

    CGContextRef context = UIGraphicsGetCurrentContext();

    CGContextSetFillColorWithColor(context, [color CGColor]);

    CGContextFillRect(context, rect);

    UIImage *theImage = UIGraphicsGetImageFromCurrentImageContext();

    UIGraphicsEndImageContext();

    return theImage;

}