Creating Kotlin DSLs on Android

In this talk we will learn to create our own DSL in Kotlin, we will see examples and we will combine them with extension functions to achieve a more readable code, easy to extend and modify.

Transcript

1. Creating Kotlin DSLs on Android
2. #BADGkotlinDSL But first, what is a DSL? A domain-specific language (DSL) is a computer language specialized to a particular application domain. This is in contrast to a general-purpose language (GPL), which is broadly applicable across domains.
3. #BADGkotlinDSL Some popular DSL examples
4. #BADGkotlinDSL Some Android DSL examples
5. #BADGkotlinDSL Some Android DSL examples
6. #BADGkotlinDSL Let’s create our DSL
7. #BADGkotlinDSL From old to new: Old declarative style I
8. #BADGkotlinDSL From old to new: Old declarative style II
9. #BADGkotlinDSL From old to new: New DSL style
10. #BADGkotlinDSL How to: Overview
11. #BADGkotlinDSL How to: Start creating a builder
12. #BADGkotlinDSL How to: The build() function, title
13. #BADGkotlinDSL How to: The build() function, add menu
14. #BADGkotlinDSL How to: The build() function, back action
15. #BADGkotlinDSL How to: The build() function, add items
16. #BADGkotlinDSL How to: Adding items, item setup
17. #BADGkotlinDSL How to: Adding items, add to items to list
18. #BADGkotlinDSL How to: Item builder
19. #BADGkotlinDSL How to: Adding back action, back setup
20. #BADGkotlinDSL How to: Back builder
21. #BADGkotlinDSL How to: Final step, Ext.func. for Toolbar
22. #BADGkotlinDSL Putting all together https://github.com/FireZenk/ComicWorld/blob/develop/app/src/main/java/or g/firezenk/comicworld/ui/extensions/ToolbarDSL.kt
23. #BADGkotlinDSL And here it is the our Toolbar built using our brand new DSL notation
24. #BADGkotlinDSL Questions?
25. #BADGkotlinDSL Thanks! and special thanks to Bernat Borrás and Carlos Carrasco who collaborated in the creation of some of the DSLs shown Useful resources: - Sample repo for this talk https://github.com/FireZenk/ComicWorld - Anko https://github.com/Kotlin/anko - kotlinx.html https://github.com/Kotlin/kotlinx.html - Village DSL https://github.com/zsmb13/VillageDSL - Want more? https://kotlin.link @firezenk