December 2021
Intermediate to advanced
352 pages
8h 38m
English
book
Programming Android with Kotlin
by Pierre-Olivier Laurence, Amanda Hinchman-Dominguez, Mike Dunn, G. Blake Meike
Content preview from Programming Android with Kotlin
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
Chapter 1. Kotlin Essentials
Kotlin was created by the JetBrains team from St. Petersburg, Russia. JetBrains is perhaps best known for the IntelliJ Idea IDE, the basis for Android Studio. Kotlin is now used in a wide variety of environments across multiple operating systems. It has been nearly five years since Google announced support for Kotlin on Android. According to the Android Developers Blog, as of 2021, over 1.2 million apps in the Google Play store use Kotlin, including 80% of the top one thousand apps.
If you’ve picked up this book, we are assuming that you are already an Android developer and that you are familiar with Java.
Kotlin was designed to interoperate with Java. Even its name, taken from an island near St. Petersburg, is a sly allusion to Java, an island in Indonesia. Though Kotlin supports other platforms (iOS, WebAssembly, Kotlin/JS, etc.), a key to Kotlin’s broad use is its support for the Java virtual machine (JVM). Since Kotlin can be compiled to Java bytecode, it can run anywhere that a JVM runs.
Much of the discussion in this chapter will compare Kotlin to Java. It’s important to understand, though, that Kotlin is not just warmed-over Java with some added bells and whistles. Kotlin is a new and different language with connections to Scala, Swift, and C# that are nearly as strong as its connection with Java. It has its own styles and its own idioms. While it is possible to think Java and write Kotlin, thinking in idiomatic Kotlin will reveal the full power ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.