iOS 去除 TabBarItem的图片默认颜色

//UITabBar设置未选中图片
[yourTabBarItem setImage:[[UIImage imageNamed:@"more.png"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]];
//UITabBar设置选中图片
[yourTabBarItem setSelectedImage:[[UIImage imageNamed:@"more.png"] imageWithRenderingMode:UIImageRenderingModeAlwaysOriginal]];

//设置未选中字体颜色 
    [[UITabBarItem appearance] setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:UIColorFromRGB(0x003500), NSForegroundColorAttributeName, nil] 
    forState:UIControlStateNormal];
   //设置选中字体颜色                                                    
    [[UITabBarItem appearance] setTitleTextAttributes: [NSDictionary dictionaryWithObjectsAndKeys:
    UIColorFromRGB(0xff3500), NSForegroundColorAttributeName, nil] 
    forState:UIControlStateSelected];