转 ios中对于tabBar选中图片设置的问题

http://blog.csdn.net/kevinwlc/article/details/21467499

//核心代码
UIimage* imageNormal = [UIImage imageNamed:@"tabhost_three_bg_nor"];
UIimage* imageSelected = [UIImage imageNamed:@"tabhost_three_bg_sel"];
if (ios7) {
            item.selectedImage = [imageSelected imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
            item.image = [imageNormal imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal];
            tabbar.tintColor = [UIColor whiteColor];
        }else{
            [item setFinishedSelectedImage:imageSelected withFinishedUnselectedImage:imageNormal];
        }