Exploring Kotlin + Anko

Brief Introduction to Kotlin & Anko, a replacement to XML views used in Android.

Transcript

1. Exploring Kotlin + Anko Alternative to booaring repetitive XML Views @rakshakhegde @blrdroid
2. Anko... Wut? verticalLayout { val name = editText() button("Say Hello") { onClick { toast("Hello, ${name.text}!") } } }
3. What I’ll cover, hopefully :) 1. Kotlin & Anko 2. How to use Anko in Activity 3. Makin’ it modular - AnkoComponents 4. How Anko works - Extension funcs & Lambdas
4. But First...
5. Kotlin + Any? = ❤ kotlinlang.org
6. 1. Set. Up. > New Project in Android Studio > Kotlin Plugin > Configure Kotlin ⌘⌥A > Summon Anko > Install DSL Preview Plugin > sudo rm -rf / # fo shitzengiggles
7. Show me code, bro 2. Using Anko
8. Handy Tools in Android Studio - Convert Java code to Kotlin - Convert XML to Anko
9. Pick n Choose, Runtime Configs - Screen Size - Density - Orientation - Right to Left languages/locales - API Qualifiers - doIfSdk / doFromSdk
10. What next…? > kotlinlang.org > Kotlin Koans/Tutorials > Google “anko kotlin” > giyf.com
11. I wanna talk about... ➔ AnkoComponents vs XML ➔ Styles & Themes ➔ Paint & Performance ➔ Kotlin Delegates ➔ All types of drawables - Bitmap, 9-Patch, LayerList, ColorStateList, Shape Drawable, Selectors, Color Drawable, VectorDrawable ➔ Accessibility - Screen Reader ➔ AnimatedVectorDrawable ➔ Dieting Apps - Lean Apks ➔ Flow + Mortar
12. (@/+/git)rakshakhegde