To use this, add this to your gradle build file: implementation 'org.osmdroid:osmdroid-shape:VERSION' In Kotlin valfolder:List<Overlay>=ShapeConverter.convert(mapView,File(myshape)) mapView.overlayManager.addAll(folder) mapView.invalidate() ...
Even Jake Wharton, a recognized Android gospeller, uses Kotlin in his own projects, thus encouraging the whole Android community to use this language.Let’s stay in tune with this trend and try Kotlin in practice to see its extensively debated pros and cons. Also, we will learn how to ...
KotlinforEachis an iteration loop that allows you to access items of a collection or list and perform actions on each item. We can also do the same with theforloop, but using multipleforloops can quickly make your code messy. On the other hand,forEachmakes your code more concise and eas...
which was different from java. Using the support of tool chains gradle will auto-detect the missing JDK and local JDK required for the build. Gradle will run on any JDK, which requires gradle to be built. The kotlin supports the native tasks which were not using the toolchains. The compile...
In kotlin, we can use any object containing the component function. This is because the Kotlin compiler auto-generates the component functions for the data class. Q3. How many values are returned by kotlin destructuring? Answer: It will return two or more values. First, we need to create th...
If you put Java and Kotlin code in different modules, it should work. Rationale: Kotlin will see whatever declarations get to the byte code, but it can’t see whatever Lombok generates on-the-fly in the source code This project shows a Hello World app using a Gradle multi-project build,...
The example below demonstrates the use of scope functions in Kotlin. In this code, we will use theletfunction to create the scope for the object Students. dataclassStudent(varfirstName: String,varlastName: String,varage: Int,varaddress: String) {funmoving(newAddress: String) { address = ne...
Using comparison operators to compare Kotlin strings You can use comparison operators in Kotlin to check if two or more string objects are structurally or referentially equal. Structural comparison checks if two or more objects have the same value. To check for this kind of equality, we use the...
This article shows how to use variables in Kotlin. Kotlinis a statically-typed programming language that runs on the Java virtual machine. The type of every expression is known at compile time. A variable is a place to store data. A variable has a name and a data type. A data type det...
This example demonstrates how to use shared preferences 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_main.xml....