ios - 如何在iOS中的UInavigationbar的中心添加UIBarbuttonItem

Question

我只在左侧或右侧添加UIBarbuttonitem。现在我想在uinavigationbar的中心添加UIbarbuttonitem。我怎样才能做到这一点？非常感谢

Answer 1

尝试这个:

 UIButton *titleButton = [UIButton buttonWithType:UIButtonTypeRoundedRect];
 [titleButton setFrame:CGRectMake(0, 0, 170, 35)];
 self.navigationItem.titleView =  [[UIBarButtonItem alloc] initWithCustomView:titleButton];