Kotlin for each9/28/2023 ![]() If I launch it on a different device I get different numbers, but they stay the same every subsequent launch. Key thing is Model and View are interdependent on each other. This is a model-view-binder app and here are the java interfaces. Val testRandom6 = (0, 100)Įvery call gives me a different number, but every time I launch the app I get the exact same 6 results. When trying to convert a java application to Kotlin I ran into the following issue so posting this question. To isolate the problem I created a brand new app (with the "Empty activity") from Android Studio, and I pasted this code in my MainActivity's onCreate: It allows data to survive configuration changes such. When making a choice between a complex expression using multiple higher-order functions and a loop, understand the cost of the operations being performed in each case and keep performance. ![]() I'm a bit puzzled here, I was trying to add a small function that depends on a random number, and while testing it it kept giving me the same random number every time I relaunched the app. As per the android documentation ViewModel: Store and manage UI-related data in a lifecycle conscious way. Exception: forEach (prefer using a regular for loop instead, unless the receiver of forEach is nullable or forEach is used as part of a longer call chain). In Kotlin, each secondary constructor is prefixed with the constructor keyword and each constructor needs to call the primary constructor either directly or. ![]()
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