台风没有注入财产（没有故事板） [英] Typhoon not injecting property (without storyboard)

问题描述

我无法使用带有 initWithNibName的XIB将视图注入到视图控制器中：bundle：

示例：

这是我的汇编：

@implementation AppAssembly

- (ViewControllerC *)viewControllerC
{
    return [TyphoonDefinition withClass:[ViewControllerC class]
                          configuration:^(TyphoonDefinition *definition) {
      [definition injectProperty:@selector(name) with:@"Injected string"];
    }];
}

@end

ViewControllerA代码：

ViewControllerA code:

@implementation ViewControllerA

- (IBAction)buttonAction:(id)sender 
{
    ViewControllerB *viewControllerB = [[ViewControllerB alloc] initWithNibName:@"ViewControllerB" bundle:nil];
    [self.navigationController pushViewController:viewControllerB animated:YES];
}

@end

ViewControllerB代码：

ViewControllerB code:

@implementation ViewControllerB

- (IBAction)buttonAction:(id)sender 
{
    ViewControllerC *viewControllerC = [[ViewControllerC alloc] initWithNibName:@"ViewControllerC" bundle:nil];
    [self.navigationController pushViewController:viewControllerC animated:YES];
}

@end

ViewControllerC代码：

ViewControllerC code:

@interface ViewControllerC : UIViewController

@property (copy, nonatomic) NSString *name;

@end

@implementation ViewControllerC

- (void)viewDidLoad 
{
    [super viewDidLoad];

    // Why is this not being injected?
    self.title = self.name;
}

@end

AppDelegate代码：

AppDelegate code:

@implementation AppDelegate

- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
{
    ViewControllerA *rootViewController = [[ViewControllerA alloc] initWithNibName:@"ViewControllerA" bundle:nil];
    UINavigationController *navigationController = [[UINavigationController alloc] initWithRootViewController:rootViewController];

    self.window = [[UIWindow alloc] initWithFrame:[[UIScreen mainScreen] bounds]];
    self.window.rootViewController = navigationController;
    [self.window makeKeyAndVisible];

    return YES;
}

@end

我已经检查了样品，他们与这种方法不同。请问你能告诉我我做错了什么？

I have already checked the samples, and they are different to this approach. Please can you tell me what am I doing wrong?

谢谢。

推荐答案

Typhoon是一个依赖注入容器，这意味着它不会对你的课程进行调整，调配或其他方式。因此，为了获得注入了依赖项的类的实例，我们必须询问Typhoon。

Typhoon is a dependency injection container, meaning it doesn't instrument, swizzle or otherwise touch your classes. Therefore to get an instance of a class with dependencies injected, we have to ask Typhoon.

为什么不用于Storyboard？

当使用plist集成时，Typhoon注册TyphoonStoryboard代替UIStoryboard，根据故事板中的定义发出实例 - 就像普通的故事板一样，具有额外的好处注入依赖项。

When using plist integration, Typhoon registers TyphoonStoryboard in place of UIStoryboard to emit instances based on definitions in the storyboard - works just like a normal storyboard with the added benefit that dependencies are injected.

在其他地方，为了获取注入了依赖项的实例，我们使用汇编接口，并询问Typhoon。

In other places, to get instances with dependencies injected, we use the assembly interface, and ask Typhoon.

解决方案步骤：

在装配中添加ViewControllerB的定义。 （在Objective-C中，如果您愿意，也可以使用自动注入宏）。

Add a definition for ViewControllerB in your assembly. (In Objective-C you can also use auto-injection macros if you wish).

- (ViewControllerB *)viewControllerB
{
    return [TyphoonDefinition withClass:[ViewControllerB class] 
        configuration:^(TyphoonDefinition *definition) {

        [definition useInitializer:@selector(initWithNibName:bundle:) 
            parameters:^(TyphoonMethod *initializer) {

            [initializer injectParameterWith:@"ViewControllerB"];
            [initializer injectParameterWith:[NSBundle mainBundle]];
        }];

        [definition injectProperty:@selector(assembly) with:self];
    }];
}

向ViewControllerB添加属性：

//Start with this, next task is to back this with a protocol
@property(nonatomic, strong) AppAssembly *assembly;

现在更改实例化ViewControllerC的按钮操作：

ViewControllerC *viewControllerC = self.assembly.viewControllerC
[self.navigationController pushViewController:viewControllerC animated:YES];

现在我的应用程序类依赖于我的TyphoonAssembly，如果我不想要这个怎么办？

所有Typhoon程序集都可以由协议支持，因此您的应用程序只能看到实例提供程序，而不是Typhoon。如果您曾希望从Typhoon迁移，只需提供该协议的替代实现 - 您仍将拥有强大的架构。

All Typhoon assemblies can be backed by a protocol, so that your application sees only a provider of instances, and not Typhoon. If you ever wished to migrate from Typhoon, simply provide an alternative implementation of that protocol - you'll still have a robust architecture in place.

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