How to chage the Color of text in UITabBarItem?

In UITabBarItem how to change the开发者_C百科 color of text..By default the text is appearing in whiteColor. I want to change to black, how to do it?

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In ViewController.m

- (id)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
{
self = [super initWithNibName:nibNameOrNil bundle:nibBundleOrNil];
if (self)
{
[self.tabBarItem setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIColor greenColor],UITextAttributeTextColor,nil] forState:UIControlStateNormal];
}
return self;
}