IOS-based uiviewcontroller

Uiviewcontroller, as its name implies, should be inMVCPlay the role of the control layer in the design mode, similar to the activity in Android.

The view corresponding to uiviewcontroller. You can customize the XIB or dynamically generate the viewdidload method in uiviewcontroller.

XIB (IOS) vs layout (Android)

Advantages:

What you see is what you get. The interface can be completely customized through the GUI;

Because the relationship between XIB and viewcontrol is implemented through GUI operations, viewcontrol'sCode;

Disadvantages:

There are too many operation options on the GUI customization interface, which is time-consuming and difficult to learn;

Therefore, using the viewdidload method in IOS to dynamically generate a view is also a good practice.