在UIViewController中未调用viewDidAppear和viewWillDisappear [英] viewDidAppear and viewWillDisappear not being called in UIViewController

问题描述

我正在使用nib文件创建UIViewController吗?

I am creating a UIViewController using the nib file ?

我已经实现了以下两种方法

I have implemented the following 2 methods

• (void)viewDidAppear:(BOOL)动画
• (void)viewWillAppear:(BOOL)动画

在我的视图控制器中，但是这些方法不是每次都被调用吗?

in my view controller, but these methods are not getting called every time ?

代码中的错误是什么?

推荐答案

根据您加载viewController的方式，您的

Depending on how you load your viewController, your

(void)viewDidAppear:(BOOL)animated
(void)viewWillAppear:(BOOL)animated

不会被呼叫.

这是一种方法我加载了视图控制器.如您所见，我自己明确地调用了viewDidAppear，viewDidDisappear等.

Here is one way I load viewcontrollers. As you see, I explicitly call viewDidAppear, viewDidDisappear, etc. myself.

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