Jetpack Compose by Étienne Caron

by Étienne Caron, Google Developer Expert, Shopify

Jetpack Compose is an unbundled toolkit designed to simplify UI development that was released at Google I/O 19. It combines a reactive programming model with the conciseness and ease of use of the Kotlin programming language.

https://gdgmontreal.com/2019/05/20/google-i-o-special-event/

Transcript

1. Jetpack Compose Preview
6. @Composable fun Counter(store: SelfStore) { val amount = +state { 0 } MaterialTheme { Column { Text(text = "Counter demo '${store.text}'") Button(text = "Add", onClick = { amount.value++ }) Button(text = "Subtract", onClick = { amount.value-- }) Text(text = "Clicks: ${amount.value}") } } }
7. Core Principles
8. Concise and Idiomatic Kotlin
9. Declarative
10. Compatible
11. Enable Beautiful Apps
12. Accelerate Development
13. http://intelligiblebabble.com/compose-from-first-principles/