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Articles & Tutorials

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Genius Scan SDK: a document scanner in your app

Embed a reliable document scanner with OCR in your app, enabling your customers to capture high-quality, legible documents that you can process effortlessly. Hundreds of companies and millions of users trust the Genius Scan technology. Supports Android, iOS, and cross-platform frameworks.

A Step-by-Step Guide to Performing Data Analysis With Kotlin DataFrame

Garth Gilmour's first in a series of tutorials on how to easily manipulate and visualize your data using the Kotlin DataFrame and Kandy libraries

Help your Wear OS app satisfy Google Play requirements

Chiara Chiappini walks you through available tools and libraries for satisfying app quality requirements — including the Horologist library, the Wear OS emulator in Android Studio, and adaptive icons.

Navigation Compose meet Type Safety

Ian Lake shares the new Navigation Component with a full type safe system based on Kotlin Serialization, designed to work best with integrations like Navigation Compose.

How to publish a KMP Android app on Play Store with GitHub Actions

Marco Gomiero shows how to deploy a Kotlin Multiplatform Android app to Google Play.

Improving Legibility with the .not() Function

Donovan LaDuke considers using and overriding the .not() operator to make your code more legible.

Using Jetpack Room in Kotlin Multiplatform shared code

John O'Reilly outlines steps taken to add use of Room to the FantasyPremierLeague KMP sample. This project had already been using Jetpack ViewModel and DataStore libraries.

Readability of Optimized Kotlin Code

Romain Guy considers how incredibly helpful Kotlin can be at making low-level/micro-optimized code easy to read for users of an API.

Shared Element Transitions in Compose

Google has released early guidance on how to create your very own shared element animations.

Shared Element Transition In Jetpack Compose

Jaewoong Eum teaches how to implement shared element transitions and container transforms in Jetpack Compose.

Update Your Compass — New Android Orientation API

Tomáš Repčík shows how Android now provides a new Fused Orientation API from multiple sensors.

Putting Koin To Work in Android

Kerry Bisset shows how to bring Koin DI into the mix with WorkManager.

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Design

Bloo Low Fidelity Wireframe Kit

All in one open source wireframe kit for quick design and prototyping your idea. Its library contains more than 250+ components supporting darkmode and 150+ ready to use mobile screens.

Libraries & Code

Kafka

Kafka uses www.archive.org to serve millions of audiobooks and pdf books available across a multitude of genres and languages. This open-source app uses Coroutines, Jetpack Compose, Material3, Room, Retrofit2, Dagger Hilt, ExoPlayer

compose-menu

An unstyled Menu (Dropdown) Compose Multiplatform component with keyboard navigation and animation support.

News

K2 Compiler Updates, Ktor News, Kotlin for Data Analysis, and more

In this roundup, Daria Voronina delves into the key recent developments in the Kotlin ecosystem.

Jetpack Compose compiler moving to the Kotlin repository

Google has announced that with the upcoming release of Kotlin 2.0, the Jetpack Compose compiler will move to the Kotlin repository.

Videos & Podcasts

Compress Images Using Kotlin - Jetpack Compose

Daniel Atitienei teaches how to compress images in Android. We'll build a simple app in which the user can select an image, and then it can compress it.

Android Studio Jellyfish, A/B testing power consumption, AndroidX, and more!

Learn about Android Studio Jellyfish, A/B testing power consumption with the new Power Profiler, and the new AndroidX releases!

Gemini in Android Studio - Supercharge your development

Gemini in Android Studio (previously known as Studio Bot) is your AI-powered coding assistant, designed to make it easier for you to build high quality Android apps, faster.

What’s new in Android Studio Jellyfish

Android Studio Jellyfish (2023.3.1) is making waves with its official stable release!

Show Info Message on both Android/iOS - MessageBar KMP Library

Stevdza-San shows how to use the MessageBar KMP Library.

Code Companion AI for Android Studio, Shared Element Transitions & More

Philipp Lackner shares all of the Android news from May 2024.

Three Simple Rules for Subtypes

Inheritance, declaration-site variance, and type projections are all based on three simple rules for subtypes. Dave Leeds helps you understand those three rules.

Dagger Hilt - Custom Qualifiers For Hilt in Android!

Charfaoui Younes teaches how to create custom qualifiers in Dagger and Hilt to provide custom dependency from the different dependencies you have in your dependency graphs

Firestore new from Cloud Next, Flutter on Windows, and Gemini in Firebase

Puf discusses updates from Google Cloud Next 2024, Firestore including Vector search for GenAI and the availability in 9 new locations, Gemini in Firebase now in public preview, and much more!

Android Makers by droidcon 2024

Playlist with all the sessions of Android Makers by droidcon 2024

Integrating a NEW Shared Element Transition with Jetpack Compose

Dmitri Chernysh demonstrates the new shared element transition, coming soon to Jetpack Compose.

Specials

See One, Do One, Teach One. Keeping Up-to-Date with Android in 2024

Matthew Dolan outlines some steps to continually grow your expertise in Android development.

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