![]() Main question for me was why the hell do we need Kotlin when we have already reliable and one of the most popular language in the world Java? Answer here is so predictable. I won’t lie, I had all these myself, but after some research managed to find all the answers. In this post I will share my findings on Kotlin and show you how to build small Android calculator app using this new language.īut first lets talk about any questions or doubts that could developer have to start using Kotlin. So there are no more excuses to make for not learning it. This is new programming language from JetBrains which has been announced as official Android development language during Google I/O 2017 event. My data-objects were converted to have nullable-fields, but several kotlin-functions specified non-nullable arguments.One of the biggest news of Android world in 2017 definitely became Kotlin. In my case, android-studio generated code that would not compile. ![]() By default, an object is non-nullable and has to explicitly specified to be nullable. One of the big advantages kotlin has over java is the handling of nullability. Your project will probably not compile now, because of differences in how java and kotlin handles nullability. kt files in-place, leaving them in src/main/java. To convert all your java-code to kotlin-code.Īndroid studio will convert all your. Android studio will then try as best as it can To convert the existing javacode into kotlin, simply select the src/main/java folder in the project and chooseĬode->"Convert Java File to Kotlin File”. The first step is easy, android-studio will do most of the work for you. Bugs in android-studio shows that it is still early days for kotlin-development on android. Kotlin is cool, and immutability rocks. ![]()
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November 2023
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