Kotlin-Howtos Erstellen Sie ein Singleton in Kotlin David Mbochi Njonge20 Juni 2023 KotlinKotlin Singleton Video Player is loading. Current Time0:00 / Duration-:- Loaded:0% Entwurfsmuster sind eine Reihe von Lösungen für häufig auftretende Probleme, die auf der Grundlage der jeweiligen...
println("双重检测 equal :${SDCL.getInstance()==SDCL.getInstance()}")println("静态内部类 equal :${Sin.getInstance()==Sin.getInstance()}")} equal:true线程安全equal:true懒汉式equal:trueequal:true静态内部类
Kotlin objects are another element of the language that we Android developers are not familiarized with, because there is nothing like that in Java. In fact, an object is just a data type with a single implementation. So if we want to find something similar in Java, that would be the ...
看起来你的单例是以某种方式从内存中释放出来的，并被一次又一次地初始化，但如果没有更多的代码，我...
And it should do the same for Kotlin objects, as per my argument above. It is a very common Pattern in Kotlin to use objects in place of enums because they can be used as constant instances of a sealed class, where other subclasses can hold state because they are instantiable. It is...
I must be missing the point of the scopes in that case. I was looking for something like: @LazySingleton @Inject class UserRepository internal constructor( private val userApi: UserApi, )``` Owner evant commented Feb 4, 2022 Scopes live as long as their component, so you can do this...
Write a Kotlin object-oriented program that implements a singleton pattern for a class Logger to provide logging functionality throughout the application.Sample Solution:Kotlin Code:class Logger private constructor() { init { println("Logger initialized") } fun log(message: String) { println("...
您可以在Application Class中创建companion object
我有一个javafx项目,我想通过kotlin单例引用访问主控制器。但是注入不会成功。下面是一个最小的例子:App.ktclass App: Application() { override fun start(primaryStage: Stage) { val loader = FXMLLoader(javaClass.getResource("Window.fxml"))
很可能你的适配器和应用程序在不同的进程中工作，因此在你的情况下singletons不工作。你正在运行2个不...