Kotlin for Android - An Intro to Kotlin's Features & Benefits
•
1 like•380 views
Why you should starting programming in Kotlin for Android? Some might think that Kotlin is new. I will demonstrate Kotlin history, who is behind it, and why is it a must to learn. With some links and good references. This slides were conducted in GDG Minia and GDG Helwan Devefest16.
Recommended
More Related Content
What's hot
What's hot (20)
Similar to Kotlin for Android - An Intro to Kotlin's Features & Benefits
Similar to Kotlin for Android - An Intro to Kotlin's Features & Benefits (20)
More from Shady Selim
More from Shady Selim (20)
Recently uploaded
Recently uploaded (20)
Kotlin for Android - An Intro to Kotlin's Features & Benefits
- 1. Kotlin for Android Prepared by Shady Selim @Kotlin.Cairo #Kotlin @Helwan.GDG #GDG_Helwan +
- 2. Speaker Bio • Official Google Speaker • GDG Helwan Founder & Leader • Kotlin Cairo User Group Founder • Mentor in Udacity Nanodegree • Mobile & Web Evangelist • Technology savvy • Think tank • UI/UX freak www.linkedin.com/in/shadyselim/ @dr_Shady_Selim 2 +
- 3. Who created Kotlin? • IntelliJ IDEA • PhpStorm • ReSharper • PyCharm • RubyMine • … others 3 +
- 6. 6 +
- 7. Is Kotlin Really new? 7 +
- 8. Why Should I care!!? • Statically typed programming language targeting the JVM • Support for functional and OO paradigms • Pragmatic, safe, concise, great Java interop • Free and open-source • Drastically reduce the amount of boilerplate code • Lambda expression • Avoid entire classes of errors such as null pointer exceptions • Java 9 is … 8 +
- 9. The Strengths of Kotlin • Modeling the data of your application concisely and expressively • Creating reusable abstractions using functional programming techniques • Creating expressive domain-specific languages (DSL) • Java interop ensures that all existing Java frameworks can be used • No rewrite required to start using Kotlin in existing codebase • Existing investment is fully preserved 9 +
- 11. Java Model Example, cont. 11 +
- 12. Java Model Example, cont. 12 +
- 13. Kotlin Model Example, cont. 13 +
- 14. The Strength Points 14 + • In addition to all what was mentioned • Extensions • Anko (Commons, Layouts, SQLite, & Coroutines) • No new • No semi colon • Smart casting • Great IDE and tooling supports • Variables (val vs. var) • functions
- 15. Do you like reactive programming? 15 +
- 16. Missing your frameworks or libraries!? 16 +
- 17. Missing your frameworks or libraries!? 17 +
- 18. Missing your frameworks or libraries!? 18 +
- 19. Missing your frameworks or libraries!? 19 +
- 20. kotlin.link 20 +
- 21. Resources • https://kotlinlang.org/ • https://m.signalvnoise.com/kotlin-its-the-little-things-8c0f501bc6ea • https://www.jetbrains.com/ • https://www.slideshare.net/intelliyole/kotlin-why-do-you-care • https://github.com/ReactiveX/RxKotlin • https://spring.io/blog/2016/02/15/developing-spring-boot-applications- with-kotlin • https://www.slideshare.net/makingx/spring-kotlin • https://kotlin.link/ • http://www.overrideandroid.info/2017/04/kotlin-do-more-with-less- code.html 21 +
- 22. Questions!? 22 +