我正在使用 Koin我项目中的 di 库。 lib 版本为 1.0.0-RC-1。
我的模块:
val appModule = module {
scope("UserScope") { UserToaster(androidContext()) as Toaster }
scope("AnonScope") { AnonToaster(androidContext()) as Toaster }
}
我在我的 Application 类中开始 koin 并创建了 scope:
override fun onCreate() {
super.onCreate()
startKoin(this, listOf(appModule))
getKoin().getOrCreateScope("AnonScope")
}
接下来,我尝试将 Toaster 的实现从当前作用域注入(inject) Activity 中的变量。这里的代码:
private val toaster: Toaster by inject(scope = "AnonScope")
之后我得到一个错误:
Caused by: org.koin.error.DependencyResolutionException: Multiple definitions found for type 'interface com.example.nkirilov.playground.Toaster (Kotlin reflection is not available)' - Koin can't choose between :
Scope [name='UserScope',class='com.example.nkirilov.playground.Toaster']
Scope [name='AnonScope',class='com.example.nkirilov.playground.Toaster']
Check your modules definition, use inner modules visibility or definition names.
我不明白为什么这不起作用(如果使用具有不同名称的 single - 它会起作用)。那是 koin 错误吗?如何避免这个错误?
最佳答案
我是这样实现的
模块:
val navigationModule = module {
scope(DI.APP_SCOPE) { ClassA().create }
scope(DI.APP_SCOPE) { get(scopeId = DI.APP_SCOPE).classB }
scope(DI.APP_SCOPE) { get(scopeId = DI.APP_SCOPE).classC }
}
val authModule = module {
scope(DI.AUTH_SCOPE) { ClassA.create(ChildClassB(get(scopeId = DI.APP_SCOPE))) }
scope(DI.AUTH_SCOPE) { get(scopeId = DI.AUTH_SCOPE).classB }
scope(DI.AUTH_SCOPE) { get(scopeId = DI.AUTH_SCOPE).classC }
}
主要 Activity :
private val classC: ClassC by inject(scope = getKoin().getOrCreateScope(APP_SCOPE))
AuthActivity:
private val classC: ClassC by inject(scope = getKoin().getOrCreateScope(DI.AUTH_SCOPE))
关于android - Koin 范围和接口(interface),我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/52221735/