WebSep 30, 2024 · lazy. lazy in Kotlin is useful in a scenario when we want to create an object inside a class, but that object creation is expensive and that might lead to a delay in the creation of the object that is dependent on that expensive object. class Session { private val mentor: Mentor = Mentor() } Suppose Mentor is an expensive object. WebKotlin lateinit. Kotlin lateinit – To declare non null Kotlin Variables without initialization, use lateinit keyword during declaration of the variable. Initialization of that variable could be done at a later point in code. Note: lateinit is supported from Kotlin 1.2. Make sure you are updated to latest Kotlin.
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WebJan 8, 2024 · 1 Answer. lateinit was designed for cases when you need to init a variable some time after object creation - for example frameworks like dagger. In fact it allows to … Weblateinit can't have custom getter or setter whereas lazy has custom getter. A lateinit property can't have a custom getter whereas a lazy property has a block that gets … nothing mentioned
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WebDec 26, 2024 · When you use lateinit, you’re telling the compiler, “ I don’t have a value to give you right now. But I’ll give you a value later, I promise. ” If something goes wrong, it’s on you ... Web1 个回答. lateinit 是为在创建对象后需要初始化变量的情况而设计的-例如像 dagger 这样的框架。. 事实上，它允许将 lateinit 变量用作普通的 not null 值 (并去掉不必要的 ?/!! 运算 … WebAug 14, 2024 · Just. companion object { val instance = UtilProject() } will do the job because the companion object itself is a language-level singleton. (The instance will be created when the companion object is first called.)-- Updated --If you need to control when the singleton object is initialized, you can create one object for each class. how to set up outside tv antenna