UITabBar的appear设置属性 --iOS

//主题设置

[[UITabBar appearance] setBackgroundImage:[UIImage imageNamed:@"tabbar-light"]];

NSDictionary * dict = @{

NSFontAttributeName : [UIFont systemFontOfSize:14],

NSForegroundColorAttributeName : [UIColor grayColor]

};

//key 定义在NSAttributedString.h

NSDictionary * selectDict = @{NSForegroundColorAttributeName : [UIColor darkGrayColor]};

UITabBarItem * item = [UITabBarItem appearance];

[item setTitleTextAttributes:dict forState:UIControlStateNormal];

[item setTitleTextAttributes:selectDict forState:UIControlStateSelected];