Jetpack Compose

The slides include jetpack compose basics.

Transcript

1. Jetpack Compose 1 .. 2 Emre Behadır September 2021 * Mostly adapted from multiple article
2. Contents • Imperative / Declerative paradigm • What is Jetpack Compose • Behind of compose thinking • How compose works • What is next with compose
3. Imperative / Declerative paradigm Imperative adjective the form of a verb that is usually used for giving orders Declare verb to announce something clearly
4. Imperative / Declerative paradigm
5. What is Jetpack Compose • Started to be announce in 2019 • First stable relase 28 June 2021 • Like React, SwiftUI, Flutter • Building with function • Declarative • Written in Kotlin
6. Behind of compose thinking Separation of concern
7. Separation of concern • Xml + Code • Initialize • Synchronize • Only Code • Initialize with data • Synchronize with live data etc. Declarative Imperative
8. Behind of compose thinking Composition over inheritance
9. Behind of compose thinking Single source of truth
10. How Compose Works @Composable fun HelloWorld() { Text(text = "Hello World") }
11. How Compose Works @Composable fun HelloWorld( ) { $composer.start(123) Text( , text = "Hello World") $composer.end() } $composer: Composer $composer
12. How Compose Works EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY EMPTY
13. What is next with compose • Clean and simple ui development • Better preview experience • Build time
14. References • https://developer.android.com/jetpack/compose • https://medium.com/@intelligibabble • https://www.youtube.com/watch?v=WqnR_XhEiVI