Convert your web app into an Android app with Jetpack Compose and WebView
Android
Reuse your web application in a native Android shell while handling navigation, communication, offline states, uploads, and downloads.
Notes on building better Android software.
Practical guides about Kotlin, Jetpack Compose, architecture, and the ideas worth carrying into the next project.
Latest articles
38 articlesNavigation 3 in Jetpack Compose: The Back Stack Is Just State
Android
Learn how Navigation 3 makes the back stack explicit state, enabling typed destinations, state restoration, and adaptive layouts in Compose.
Building Adaptive Layouts in Jetpack Compose
Android
Build responsive list-detail interfaces in Jetpack Compose by adapting to the current window size instead of the device type.
Embedded Android Photo Picker in Jetpack Compose
Android
Embed Android's system photo picker in a Jetpack Compose UI while keeping URI permissions and selection state under your app's control.
Reducing Unnecessary Recompositions in Jetpack Compose
Android
Reduce unnecessary Jetpack Compose recompositions by deferring state reads, using derivedStateOf, and keeping parameters stable.
Improving your deep links with Dynamic App Links
Android
Use Android Dynamic App Links to update path, query-parameter, and exclusion rules from the server without shipping a new app version.
Clipping and Masking in Jetpack Compose
Android
Use Jetpack Compose clipping, custom shapes, blend modes, and offscreen compositing to build polished avatars and fading edges.
Nested Scrolling in Jetpack Compose
Android
Coordinate parent and child scroll gestures in Jetpack Compose with NestedScrollConnection and NestedScrollDispatcher.
Using movableContentOf for shared transitions in Jetpack Compose
Android
Use movableContentOf and LookaheadScope to create shared-element-like transitions in Jetpack Compose.
TrustedTime API: A Reliable Approach to Time Keeping in Android Apps
Android
Use Android's TrustedTime API for reliable, tamper-resistant timestamps in apps that depend on accurate timekeeping.
Using new Camera extensions API
Android
Use the CameraX Extensions API to add Night and Bokeh camera modes to Android apps.
Curved Bottom Bar in Jetpack Compose
Android
Build a curved bottom navigation bar with a custom shape and floating action button in Jetpack Compose.
Shared Element Transitions in Jetpack Compose
Android
Learn how to create shared element and shared bounds transitions for Jetpack Compose content.
Adding Ktlint to your Android project
Android
Add Ktlint to an Android project with Gradle and configure its formatting rules with EditorConfig.
Running UI tests in Jetpack Compose using Firebase Test Lab
Android
Run Jetpack Compose UI tests on Firebase Test Lab using Fastlane and Android instrumentation tests.
Calling Cloud Functions v2 From Your App
Android
Call Firebase Cloud Functions v2 from an Android app using the Firebase Functions SDK and Kotlin coroutines.
Building a widget using Jetpack Glance
Android
Build an Android app widget with Jetpack Glance and Jetpack Compose, including state and click actions.
A Guide to Filament for Android
Android
Render 3D models in Android with Google's Filament rendering engine, Blender, and Jetpack Compose.
WhatsApp’s Circular Reveal with Jetpack Compose
Android
Recreate WhatsApp’s circular reveal animation in Jetpack Compose using custom shapes and cubic Bézier curves.
Building a Language Learning App with Compose – Part 5
Android
Follow the progress of building a language learning app with Jetpack Compose as it adds practice modes and Room persistence.
Google’s account switcher with Jetpack Compose
Android
Recreate Google’s swipeable account switcher animation in Jetpack Compose.
How to build a time picker with Jetpack Compose
Android
Build a 24-hour time picker dialog in Jetpack Compose with a custom clock layout and interactive hour and minute selection.
Building a Language Learning App with Compose – Part 4
Android
Follow the progress of building a language learning app with Jetpack Compose as it adds practice improvements and its first usable version.
Building a Language Learning App with Compose – Part 3
Android
Follow the progress of building a language learning app with Jetpack Compose as it introduces subscribed decks and the first practice session.
Building a Language Learning App with Compose – Part 2
Android
Follow the progress of building a language learning app with Jetpack Compose as it adds architecture, navigation, repositories, and practice features.
Building a Language Learning App with Compose – Part 1
Android
Follow the first four days of building a language learning app with Jetpack Compose, from initial designs to creating decks and cards.
Lessons from a side project
Android
Lessons learned while building a small Minecraft mod after returning to programming through a side project.
How does Cloud Firestore work?
Android
Explore Cloud Firestore's internal architecture, including local persistence, mutation queues, listeners, and backend synchronization.
How does Crashlytics work?
Android
Explore how Firebase Crashlytics captures, persists, and uploads crash reports under the hood.
Cheat sheet for Jetpack Compose
Android
I've spent the last few weeks learning about compose and decided to write a post to share my notes. This post is not meant to teach you everything about Compose but rather it'll be more like a roadmap that you can use to learn Compose or to see what you still don't know about Compose.
Coroutines (Part III) – Structured Concurrency and Cancellation
Android
Learn how structured concurrency and cancellation work in Kotlin coroutines.
Coroutines (Part II) – Job, SupervisorJob, Launch and Async
Android
Learn about Job and SupervisorJob and then proceed to creating Coroutines with launch and async.
Coroutines (Part I) – Grasping the Fundamentals
Android
"What’s CoroutineScope and CoroutineContext", "Do I need to switch the dispatcher?", "What is Structured Concurrency?", "How to handle cancellation?"
From Nothing to Material Transitions
Android
Learn how to implement Material motion transitions in Android, including fade, shared axis, and container transform animations.
How to Show an Activity on Lock Screen instead of a Notification
Android
Show a full-screen Android activity on the lock screen instead of a standard notification.
In-depth look at gRPC for Android
Android
Understand gRPC for Android, including HTTP/2, channels, protocol buffers, retries, and streaming RPCs.
Useful Kotlin Extensions for Android
Android
Useful Kotlin extension functions and properties for reducing boilerplate in Android applications.
Using Kotlin 2.0 for Android Development
Android
Explore context receivers, improved type inference, and coroutine improvements in Kotlin 2.0 for Android development.