状态栏颜色

//设置NavigationBar背景颜色
  [[UINavigationBar appearance] setBarTintColor:[UIColor redColor]];
  //@{}代表Dictionary
  [[UINavigationBar appearance] setTitleTextAttributes:@{
    NSForegroundColorAttributeName : [UIColor whiteColor]
  }];

来自为知笔记(Wiz)