Kotlin For Android Developers

Introduction to Kotlin for Android Developers

Transcript

1. Kotlin For Android Developers HARUN WANGEREKA ANDROID DEVELOPER, APPS:LAB
2. What is Kotlin?
3. Statically typed programming language for the JVM, Android and browser 100% interoperable with JAVATM
4. Kotlin Features
5. • Null Safe • Interoperable with java • Data classes • Functional Language • It's a more expressive language • It makes use of extension functions • Single Expression Functions • Lambdas • Smart Cast • String Templates • Collections • Android KTX
20. How to start
21. You don’t need to know all the features to write Kotlin code. Learn as you go.
22. • Learn the language(and ship) • Convert existing java to kotlin • Start with small conversions • Start with less complex language features as you proceed to the complex ones
23. Areas to focus on
24. • Defining and calling functions in Kotlin • Classes,Objects and Interfaces • Kotlin Type System • Variables and Properties • Data classes • Lambdas and High order functions • Extension Functions • Collections and Functional Operations
25. Now that you know Kotlin, What Next?
26. Join communities GDG ELDORET
28. The Timelines explained
29. Google I/O 17 - Koltin Support Announcement
30. Google I/O 18 - Android Development becomes Kotlin First
31. Stackoverflow Survey Results • Most loved languages - 4 • Most wanted language - 5
32. Resources • https://github.com/Zhuinden/guide-to-kotlin • https://kotlinlang.org/docs/reference/ • https://github.com/MindorksOpenSource/from-jav a-to-kotlin#important-things-to-know-in-kotlin • https://kotlinlang.slack.com/ • https://www.reddit.com/r/Kotlin/
33. Harun Wangereka Android Developer @ Apps:Lab @wangerekaharun Thank you