iOS在视图中添加工具栏-不显示

Question

I am attempting to add a toolbar to one of my views below the UIWebView. The View loads, but the toolbar doesn't.

It is NOT in a navigation controller, it is its own view that is navigated to using a modal cross dissolve segue. Below is how I setup the view.

Answer 1

Make sure the autolayout constraints are correctly set.

On the provided screenshot I don't see any constraints in the inspector. Select your toolbar, then reset its constraints to suggested ones.

Here is how to do it: