# How Jetpack Compose builds and updates UI with modifiers

DevFeed: [How Jetpack Compose builds and updates UI with modifiers](<https://devfeed.tech/articles/understand-compose-in-3-minutes-39256.md>)

Original publisher: [Read original article](<https://kt.academy/article/compose_understand>)

Published: 2026-06-29T00:00:00Z

Content type: tutorial

Language: en

Sources: [Kt. Academy](<https://devfeed.tech/sources/kt-academy.md>)

Topics: [Compose](<https://devfeed.tech/topics/compose.md>), [ui](<https://devfeed.tech/topics/ui.md>), [layout](<https://devfeed.tech/topics/layout.md>), [interfaces](<https://devfeed.tech/topics/interfaces.md>)

Tags: [compose](<https://devfeed.tech/tags/compose.md>), [declarative](<https://devfeed.tech/tags/declarative.md>), [interfaces](<https://devfeed.tech/tags/interfaces.md>), [modifiers](<https://devfeed.tech/tags/modifiers.md>), [recomposition](<https://devfeed.tech/tags/recomposition.md>), [stateful](<https://devfeed.tech/tags/stateful.md>), [workshop-learning-programming](<https://devfeed.tech/tags/workshop-learning-programming.md>)

## AI overview

This tutorial explains how Jetpack Compose builds and updates user interfaces. It focuses on modifiers, layout measurement, drawing, semantics, user interactions, recomposition, and modifier node interfaces.

## Source excerpt

How Compose actually works? How it works under the hood and why it's so powerful.