+(instancetype)navigationControllerWithController:(UIViewController *)vc Title:(NSString *)title ImageName:(NSString *)imageName SelectedImage:(NSString *)selectedImageName{
NavigationController *nav = [[selfalloc]initWithRootViewController:vc]
{
[nav.tabBarItem setTitle:title];
UIImage*image = [UIImageimageNamed:imageName];
[nav.tabBarItem setImage:image];
UIImage*selectedImage = [UIImageimageNamed:selectedImageName];
[nav.tabBarItem setSelectedImage:selectedImage];
returnnav;
}
