iphone - 我如何调用 - (void) viewDidAppear :(BOOL)animated from another method?

Question

可以从一个方法内部调用另一个方法。我已经实现了这个功能

- (void)pickAndDecodeFromSource:(UIImagePickerControllerSourceType) sourceType 

我想在上面的方法中调用以下方法。

- (void) viewDidAppear:(BOOL)animated 

Answer 1

我想我明白你在问什么...问题是..不存在。尽管如此:

我认为您在问:“如何从另一个方法中调用 viewDidAppear...？”

- (void)pickAndDecodeFromSource:(UIImagePickerControllerSourceType)sourceType
{
 ...
    [myController viewDidAppear:YES]; //Simply call it on whatever instance of a controller you have
 ...
}

如果问题实际上是“如何覆盖 viewDidAppear？”那么就是这样:

- (void)viewDidAppear:(BOOL)animated
{
     [super viewDidAppear:animated];
     //YOUR STUFF
     //GOES HERE
}