宽容他人，放过自己。

UIViewController的生命周期

Posted on May 19, 2015 By anchoriteFili

191046353547477.png

752372-20160316220755693-685341828.jpg

如果出现错误
[1. lowMemoryWarningOccurs

 2. didReceiveMemoryWarning

 3. propertyViewIsReleasedAndSetToNil

 4. viewDidUnload]

viewNotVisibleOnScreen

viewAskedToAppearOnScreen

1. loadView

2. viewDidLoad

3. viewWillAppear

4. viewDidAppear

如果出现错误

[ 5. lowMemoryWarningOccurs  6. didReceiveMemoryWarning ]

7. viewWillDisappear

8. viewDidDisappear