Mixing Kotlin and Java to Build Android Barcode Reader

Last week I made a warm up for Kotlin, getting started to learn tutorials and reference. Now it is time to take the next step. Since Kotlin is hundred percent compatible with Java, we can use both programming languages without barriers in one project. In this article, I want to share how to build an Android barcode reader using Kotlin code and Java code.

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Building Kotlin Barcode Reader on Windows

Kotlin, developed by JetBrain, is a statically typed programming language that compiles to Java code and JavaScript code. Recently, Google announced that Kotlin is a first-class language for writing Android apps. The big Android market will bring a promising future for Kotlin. If you never used Kotlin before and don’t want to fall behind, get started with the new programming language now. In this article, I want to share the experience of writing my first Kotlin app – a command line barcode reader.

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