For changing the color of the UITabBarItem text in iphone

[[UITabBarItem appearance] setTitleTextAttributes:
     [NSDictionary dictionaryWithObjectsAndKeys:
      [UIColor blackColor], UITextAttributeTextColor,
      [UIColor grayColor], UITextAttributeTextShadowColor,
      [NSValue valueWithUIOffset:UIOffsetMake(0, 1)], UITextAttributeTextShadowOffset,
      [UIFont fontWithName:@"AmericanTypewriter" size:0.0], UITextAttributeFont,
      nil]
                                             forState:UIControlStateNormal];