explaingit

android/compose-samples

📈 Trending★ 23,165KotlinAudience · developerComplexity · 2/5ActiveLicenseSetup · moderate

TLDR

Official sample Android apps demonstrating Jetpack Compose, Google's modern toolkit for building app interfaces with code instead of XML layouts.

Mindmap

mindmap
  root((repo))
    What it does
      Sample apps
      Compose demos
      Real-world examples
    Sample apps included
      JetNews reader
      Jetchat messaging
      Jetsnack ordering
      Jetcaster podcast
      Reply email
      JetLagged tracker
    Key features shown
      Animations
      Custom layouts
      Adaptive design
      Dark and light themes
      Screen navigation
    Tech stack
      Kotlin
      Jetpack Compose
      Android Studio
    Use cases
      Learn Compose patterns
      Reference implementations
      Copy code snippets

Things people build with this

USE CASE 1

Learn how to structure a complete Android app using Jetpack Compose by studying real sample apps.

USE CASE 2

Copy animation and layout patterns from production-quality samples into your own Compose projects.

USE CASE 3

Understand how to build adaptive UIs that work on phones, tablets, and foldable devices using Compose.

USE CASE 4

See how to implement dark mode, navigation, and theming in a Compose app by running and reading sample code.

Tech stack

KotlinJetpack ComposeAndroid

Getting it running

Difficulty · moderate Time to first run · 30min

Requires Android Studio and SDK setup; first build involves downloading dependencies and Gradle compilation.

Use freely for any purpose including commercial. Keep the notice and disclose changes to the patent grant.

In plain English

This repository is a collection of official sample Android apps created by the Android team to demonstrate Jetpack Compose, Google's modern toolkit for building Android app user interfaces. Instead of writing XML layout files the old way, Compose lets developers describe screens using code, making it faster and more flexible to build UI. The samples cover a range of real-world app types: a news reader (JetNews), a chat app (Jetchat), a snack ordering app (Jetsnack), a podcast player (Jetcaster), an email client (Reply), and a sleep tracker (JetLagged). Each one is designed to show a different set of Compose features, things like animations, custom layouts, adaptive design for tablets and foldable phones, dark and light themes, and navigation between screens. You would use this if you are an Android developer learning Jetpack Compose and want to see how real, complete apps are structured. Rather than reading abstract documentation, you can open any sample in Android Studio, run it on a device or emulator, and read the source code alongside the running app. All samples are written in Kotlin.

Copy-paste prompts

Prompt 1
Show me how JetNews implements navigation between screens in Jetpack Compose.
Prompt 2
How do I create custom animations in Jetpack Compose? Show me examples from these samples.
Prompt 3
Explain how the Reply sample app handles adaptive layouts for tablets and foldables.
Prompt 4
What's the best way to structure state management in a Jetpack Compose app? Reference the Jetchat sample.
Prompt 5
How do I implement dark mode in Jetpack Compose? Show me the pattern used in these official samples.
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