在Xcode中全局声明一个UIImageViews数组 [英] Declaring an array of UIImageViews globally in Xcode

问题描述

我通过Buttonclicked方法创建了ImageViews数组：

I created an array of ImageViews in a Buttonclicked method:

UIImageView *arrayOfImageViews[10]

我使用循环成功将它们加载到了屏幕上。 （这对于初学者来说是一项巨大的成就！）

I successfully loaded them on the screen using a loop. (Big accomplishment for this beginner!)

但是我想用其他方法来引用它们（例如 touchMove ）

But I want to refer to them in other methods (e.g. touchMove).

我在哪里声明 arrayOfImageViews 既是数组又是 UIImageView的类以便我可以在其他方法中使用它们？据我所知，我要在 .h 和更高版本中的 .m 中声明它们。但是我无法弄清楚将对象定义为UIImageViews数组的代码和位置，除了原始函数之外。

Where do I declare arrayOfImageViews to be both an array and a class of UIImageView so that I can use them in other methods? From what I can find, I'm to declare them in the .h and above Implementation in the .m. But I can't figure out the code and location to define the object as an array of UIImageViews in anything but the original function.

推荐答案

尝试使用属性。因此，在 .h 文件中，您想要定义以下属性：

Try using a property. So in the .h file, you want to define the property something like this:

@interface MyClass: UIView {
    NSArray *arrayOfImageViews;
} 

@property (nonatomic,retain) NSArray *arrayOfImageViews;

---

现在正在执行中（ .m 文件），您需要像这样绑定此属性

---

Now in the implementation (.m file) You need to bind this property like this

@implementation MyClass 

@synthesize arrayOfImageViews;

//now you need to initialize the array of images like this (look for the method viewDidLoad or //just add it)

- (void)viewDidLoad
{
    NSMutableArray *tmpImages = [[NSMutableArray alloc]init];
    //initialize images here
    [self setArrayOfImageViews:tmpImages];
    [tmpImages release];
    [super viewDidLoad];

}

应该这样做...对不起，我没有有时间发布实际可编译的代码，但这应该有所帮助。基本上，现在您在该类上有了一个属性，可以像 self.arrayOfImages 或什至 arrayOfImages （来自 MyClass ）。另外，我建议使用 NSArray 。但是，如果愿意，还可以使用 UIImageView * arrayOfImages 。

That should do it... Sorry I didn't have time to post code that actually compiles but it should help. Basically now you have a property on the class and you can access it like self.arrayOfImages, or even just arrayOfImages (from within MyClass). Also, I used NSArray which I suggest you do too. However you can also use UIImageView* arrayOfImages if you prefer.

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