在哪里存储“全球” iOS中的对象 [英] where to store "global" objects in iOS

问题描述

可能重复：

我应该如何或在哪里存储我在iOS应用程序中全局需要的对象实例？

我有一些全局对象（几乎在所有应用程序屏幕中使用），大多数是在应用程序启动后立即创建的。我想从我的所有ViewControllers访问这些对象（没有别的，只有ViewControllers）。在哪里存储？

I have some global object (uses in almost all Application Screens) and mostly they are created right after application starts. I want to have access to this objects from all my ViewControllers (nothing else, only ViewControllers). Where to store it?

我想在 AppDelegate @property $ c>但我认为（但我可能是错的）这是一个丑陋的解决方案。

I think about @property in AppDelegate but i think (but I can be wrong) this is a ugly solution.

对象可能非常复杂，这不是一个简单的类型。

Objects can be quite complex, this is not a simple types.

推荐答案

您可以将全局对象放在具有类方法的类中，以访问全局对象，实现 +（void）load 来准备这些对象并存储它们，从而使全局对象可访问在静态变量中。

You can make global objects accessible by placing them in a class with class methods for accessing global objects, implementing +(void)load to prepare these objects, and storing them in static variables.

标题：

@interface GlobalObjects
+(void)load;
+(MyObject1*)myObject1;
@end

实施：

#import "GlobalObjects.h"
static MyObject1* _myObject1 = nil;
@implementation GlobalObjects
+(void)load {
    _myObject1 = [[MyObject1 alloc] init];
}
+(MyObject1*)myObject1 {
    return myObject1;
}
@end

用法：

MyObject1 *shared = [GlobalObjects myObject1];

您也可以在其方法中将变量设为静态以进行延迟初始化。

You could also make the variable static inside its method for lazy initialization.

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