Differences between awakefromnib and viewdidload

Awakefromnib

When. when the NIB file is loaded, an awakefromnib message is sent. every object in the NIB file, each object can define its own awakefromnib function to respond to this message and perform some necessary operations. That is to say, awakefromnib is executed to create a view object through the NIB file.

Viewdidload

When a view object is loaded into the memory, viewdidload is executed, no matter whether the NIB file orCodeViewdidload is executed when you create an object. Differences between awakefromnib and viewdidload