原文地址:http://www.jianshu.com/p/df240103cedf
显示时（push）调用一览表
1.initWithCoder:
2.awakeFromNib
3.willMoveToParentViewController:
4.prefersStatusBarHidden
5.preferredStatusBarUpdateAnimation
6.loadView
7.prepareForSegue:sender:
8.viewDidLoad
9.extendedLayoutIncludesOpaqueBars
10.edgesForExtendedLayout
11.viewWillAppear:
12.extendedLayoutIncludesOpaqueBars
13.edgesForExtendedLayout
14.updateViewConstraints
15.viewWillLayoutSubviews
16.viewDidLayoutSubviews
17.（Animation）
18.viewDidAppear:
19.didMoveToParentViewController:
20.updateViewConstraints
21.viewWillLayoutSubviews
22.viewDidLayoutSubviews
测试Demo地址:https://github.com/StreamStone/ViewControllerLifecircleDemo
