iOS之去除navigation bar下面的黑色边框

iOS之去除navigation bar下面的黑色边框

[[UINavigationBar appearance] setBackgroundImage:[[UIImage alloc] init] forBarPosition:UIBarPositionAny barMetrics:UIBarMetricsDefault];//设置导航条颜色和界面颜色相同
[[UINavigationBar appearance] setShadowImage:[[UIImage alloc] init]]; //隐藏导航条Bar的黑线

 或者

  [self.navigationController.navigationBar setBackgroundImage:[UIImage new] forBarMetrics:UIBarMetricsDefault];
  self.navigationController.navigationBar.shadowImage=[UIImage new];