UINavigationController 改颜色

//改背景颜色

[[UINavigationBar appearance] setBarTintColor:[UIColor colorWithRed:18.0/250.0 green:146.0/250.0 blue:248.0/250.0 alpha:1]];

//改字体颜色

[[UINavigationBar appearance] setTitleTextAttributes:@{NSForegroundColorAttributeName : [UIColor whiteColor]}];

转载于:https://my.oschina.net/u/2556411/blog/546838