UITabBarAppearance*appearance=[[UITabBarAppearance alloc]init];//tabBaritem title选中状态颜色appearance.stackedLayoutAppearance.selected.titleTextAttributes=@{NSForegroundColorAttributeName:[UIColor blueColor],};//tabBaritem title未选中状态颜色appearance.stackedLayoutAppearance.normal.titleTextAttributes=@{NSForegroundColorAttributeName:[UIColor blueColor],};//tabBar背景颜色appearance.backgroundColor=[UIColor blackColor];self.tabBarItem.scrollEdgeAppearance=appearance;self.tabBarItem.standardAppearance=appearance;
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