programs to create programs. Even trivial macros in C allow you to generate large chunks of code from small descriptions. However, these macros are unreliable, limited, and not very expressive. Modern languages have much more expressive means of extension. One of these languages is Kotlin. ...
Kotlin provides a great feature through data classes in order to eliminate a lot of boilerplate code like constructors, getter/setters, toString method, etc that you would usually write in order to achieve the same functionality in various other programming languages likeJava, C#, etc. In this...
We use constants to avoid errors from user input, such as providing four wheels for a motorbike instead of two. In this tutorial, we will learn how to create constants in Kotlin, the naming convention used, and how to include them in your application. Use Class Constants in Kotlin Go to...
Conclusion You have developed completeImage GalleryAndroidApplicationand along the way you learnedKotlinsyntax, Glide Library, RecyclerView, NavigationView, Drawer Layout and their click listeners inKotlin, You have also learned how to create and useData Class in Kotlin,How to create and useRecyclerView...
dataclassBook (var isbn: String) : Resource() Copy() function It is possible to create a clone of a data class in kotlin. When using copy, a shallow copy of the object is created. 1 2 3 4 5 dataclassDog(var name: String, var age: String) ...
In this tutorial, we have learned how to create a copy of an object in Kotlin. The approaches we have covered include using the copy() method of data class, employing the clone() method of ArrayList, creating an extension function, and using the Cloneable interface....
Specify a project Name and a Website name, select Gradle Kotlin in Build System, and clear the Add sample code checkbox. Click Next. We're not going to install any Ktor plugins, so, on the next page just click Create. That's it! Now, we have a blank Ktor project. ...
This page is a kotlin adaptation of the original page. It is incomplete. osmdroid's MapView is basically a replacement for Google's MapView class. First of all, create your Android project, and followHowToMavenif you're using Maven, or followHowToGradleif you're using Gradle/Android Studi...
}// ...}Code language:Kotlin(kotlin) Creating the Database Schema First, we have to create the database schema. The starter project that you downloaded uses a model for thenoteslist calledNote, we’re going to add a code to this file to change it into a database schema for theRoomda...
This example demonstrates how to send data back to the Main Activity in Android using Kotlin Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. Step 2 − Add the following code to res/layout/activity_...