iOS Interview Questions and Answers

Question: What is the difference between Viewdidload and Viewdidappear?

Viewdidload:

• It is called when it is loaded into memory.
• Data can be loaded in Viewdidload if it is fairly static and likely to change.

Viewdidappear:

• It is called when the view is visible and presented on the device.
• You can perform any layout functions or draw in the UI.