This slides are for the session I made at GoogleIO23 organized by GDG Cairo. I talked about the latest updates in Kotlin, K2 compiler, Compose, Multiplatform and more.

1. What’s new
in Kotlin
Ahmed Nabil
Kotlin Egypt
@AhmedNMahran
(@AhmedNMahran) Sat. Aug 12 2023

2. About Me
About Me
● Software Tech. Lead at Vodafone (_VOIS).
● Head of Kotlin Egypt.
● Writing Code since I was 11
● ~10 years in Mobile App development
● Given talks to thousands of audiences
● Prev. Android Mentor at 1M Arab Coders.
● Worked at Hungerstation,Codly, and others.
● Content creator (videos/articles)
(@AhmedNMahran) Sat. Aug 12 2023

3. About Me
What
is Kotlin ?
(@AhmedNMahran) Sat. Aug 12 2023

4. About Me
Kotlin
● A modern Programming Language.
● Developed by Jetbrains & Open-Source community
● Since 2010.
● Current Stable Version is 1.9.0 (as of 12-8-2023)
(@AhmedNMahran) Sat. Aug 12 2023

5. About Me
Used to develop
● Multiplatform
● Server-Side
● Web Front-End
● Android
● iOS
● WatchOS
● Data Science
● and more
(@AhmedNMahran) Sat. Aug 12 2023

6. About Me
First-class
language for
Android
since 2017.
(@AhmedNMahran) Sat. Aug 12 2023

7. About Me
Android is
Kotlin-first
since 2019.
(@AhmedNMahran) Sat. Aug 12 2023

8. About Me
(@AhmedNMahran) Sat. Aug 12 2023
image source: https://www.youtube.com/watch?v=QGtB--ABiNM

9. About Me
K2
Compiler
(@AhmedNMahran) Sat. Aug 12 2023

10. About Me
(@AhmedNMahran) Sat. Aug 12 2023
Image source: https://blog.jetbrains.com/kotlin/2023/02/k2-kotlin-2-0/

11. About Me
(@AhmedNMahran) Sat. Aug 12 2023
Image source: https://youtu.be/QGtB--ABiNM?t=249

12. About Me
(@AhmedNMahran) Sat. Aug 12 2023
Image source: https://youtu.be/QGtB--ABiNM?t=258

13. About Me
(@AhmedNMahran) Sat. Aug 12 2023
Image source: https://youtu.be/QGtB--ABiNM?t=316
Try the
K2 Compiler

14. About Me
(@AhmedNMahran) Sat. Aug 12 2023
Image source: https://youtu.be/QGtB--ABiNM?t=341
Kotlin DSL
for gradle

15. About Me
(@AhmedNMahran) Sat. Aug 12 2023
Kotlin DSL
for gradle

16. About Me
Gradle
version
catalogs
(@AhmedNMahran) Sat. Aug 12 2023

17. About Me
(@AhmedNMahran) Sat. Aug 12 2023

18. About Me
KSP
Kotlin Symbol Processing
API
(@AhmedNMahran) Sat. Aug 12 2023

19. About Me
(@AhmedNMahran) Sat. Aug 12 2023
Kapt
Image source: https://youtu.be/QGtB--ABiNM?t=466

20. About Me
(@AhmedNMahran) Sat. Aug 12 2023
KSP
Image source: https://youtu.be/QGtB--ABiNM?t=477

21. About Me
KSP
● Up to 2X faster than kapt
(no stub generation required)
● Better understanding of kotlin code
(such as nullables and extension functions)
● Multiplatform-ready
(doesn’t depend on java)
(@AhmedNMahran) Sat. Aug 12 2023
migration guide

22. About Me
Kotlin
multiplatform
(@AhmedNMahran) Sat. Aug 12 2023
Image source: https://kotlinlang.org/lp/multiplatform/

23. About Me
Kotlin
multiplatform
(@AhmedNMahran) Sat. Aug 12 2023
Image source: https://kotlinlang.org/lp/multiplatform/

24. About Me
Compose
multiplatform
ios app with 100% kotlin
(@AhmedNMahran) Sat. Aug 12 2023
Image source: https://kotlinlang.org/lp/multiplatform/

25. About Me
Check my
kotlin talks
(@AhmedNMahran) Sat. Aug 12 2023

26. About Me
Follow Me
@AhmedNMahran
Thanks!
Youtube
(contains all my links)
(@AhmedNMahran) Sat. Aug 12 2023

27. Thanks
Ahmed Nabil
Kotlin Egypt
@AhmedNMahran
(@AhmedNMahran) Sat. Aug 12 2023
Youtube
(contains all my links)