Android Development with Kotlin

Ken Baldauf

Software Engineer @ Originate

What's wrong with Java?

• Android missing newer Java features
  • Java 8 support coming in Android N
• Overly verbose
• Null nightmares
• Lack of extension functions

What's Kotlin?

• Staticly-typed JVM language
• Developed by JetBrains
• 100% interoperable with Java

 Basic Syntax

Null Safety

Extension Functions

Higher-Order Functions

Kotlin Android Extensions

Anko

Kotlin Setup

• Language support built into IntelliJ
  • Android Studio support via plugin
• src/main/java -> src/main/kotlin

Resources

• Official Website & Documentation
  • https://kotlinlang.org/
• Koans & Online IDE
  • http://try.kotlinlang.org/koans
• Anko
  • https://github.com/Kotlin/anko
• Kotlin for Android Developers by Antonio Leiva
  • http://antonioleiva.com/kotlin-android-developers-book/