Imperative UI requires manually describing every state change, whereas declarative UI describes the desired end state and lets the framework handle the transitions.
Jetpack Compose is Google's modern, declarative UI toolkit for Android that is bundled with your app, ensuring compatibility with older Android versions.
Combine fundamental layouts like Column, Row, and Box to build complex UIs, and create reusable custom components by simply defining new functions.
The UI updates through a lifecycle of composition and recomposition, driven by changes to State objects across three phases: composition, layout, and drawing.
Easily add basic animations like fades with AnimatedVisibility or animate any property, such as rotation or color, by using state animation functions.
Accelerate UI development using tools like live previews with the @Preview annotation, animation debugging, and the Layout Inspector for real-time inspection.
Adopt Jetpack Compose incrementally by starting with a simple screen, leveraging existing architecture like ViewModels, and using interoperability APIs when needed.
While there is a learning curve and some missing components, migrating to Compose results in faster development, easier animations, and more maintainable custom UIs.
44:09Peter Steinberger
06:16Philipp Kremer
28:35Lucien Immink
29:53Jade Jiang & Noga Mann
50:09Mark Cavage, Tushar Jain, Jim Clark & Yunong Xiao
24:17Sascha Lehmann
22:46Cleyra Uzcategui
24:10Milica Aleksic & Stefan Nikolic
Jobs that call for the skills explored in this talk.
SimpleXX GmbH
Frankfurt am Main, Germany
QODEXIA
Canton of Saint-Denis-1, France
Devoteam
Municipality of Madrid, Spain
