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];