NavigationController透明和Swift上的背景图片

Question

I learning IOS Programming, When i create navigation controller, i have 2 kinds navigation, navigationbar with image background and transparent background:

first controller with transparent navigationBar background, and second controller use navigation with image background, but when i back from secondcontroller to firstcontroller, there is flash in navigationbar. how to fix it ?

see that navbar, there is flash white whan back

Answer 1

我认为您必须在两个导航栏控制器中都添加图像。但是当您从第二个弹出到第一个时，只需隐藏第一个导航栏的图像...可能对您有所帮助...！