Kotlin Android

Open-source Kotlin projects categorized as Android | Edit details

Top 23 Kotlin Android Projects

  • GitHub repo OkHttp

    Square’s meticulous HTTP client for the JVM, Android, and GraalVM.

    Project mention: Reddit.com has deleted AAAA records and is back to being a legacy website | reddit.com/r/ipv6 | 2021-11-23

    It turns out everyone, including Reddit, uses Square OkHttp for Android client apps. Which claims to do a good job at trying IPv4/IPv6, but doesn't actually do Happy Eyeballs.

  • GitHub repo architecture-samples

    A collection of samples to discuss and showcase different architectural tools and patterns for Android apps.

    Project mention: How do I start with Android Development and become a good developer? | reddit.com/r/learnandroid | 2021-11-16

    As for hard skills I was always looking into this repository: https://github.com/android/architecture-samples/

  • Scout APM

    Scout APM: A developer's best friend. Try free for 14-days. Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.

  • GitHub repo leakcanary

    A memory leak detection library for Android.

    Project mention: 25 Best Android Libraries, Projects, and Tools You Won’t Want to Miss Out in 2021 | dev.to | 2021-10-09

    Knowing when root views are detached, e.g. to detect if they might be leaking (LeakCanary).

  • GitHub repo material-dialogs

    😍 A beautiful, fluid, and extensible dialogs API for Kotlin & Android.

    Project mention: What are the most underrated third party libraries for Native Android? | reddit.com/r/androiddev | 2021-10-23
  • GitHub repo flexbox-layout

    Flexbox for Android

    Project mention: Is it obligatory to use sp? | reddit.com/r/Kotlin | 2021-11-06

    I would highly recommend using sp for text sizes as users can change the font size in their settings. So if someone has bad vision and large text, your app would be disregarding scaling the text up. This does make it more difficult to create layouts that work for all text sizes, but there are patterns such as a constraint layout flow or flex box which will make everything in one row if the content fits our stack on top of each other if it doesn't fit in a single row.

  • GitHub repo tachiyomi

    Free and open source manga reader for Android.

    Project mention: Ebook/E-Comic Reader for Android? | reddit.com/r/androidapps | 2021-12-03

    For e-comics I use this app https://tachiyomi.org/ it doesn't host its own content, but it's free and no ads

  • GitHub repo MaterialDrawer

    The flexible, easy to use, all in one drawer library for your Android project. Now brand new with material 2 design.

    Project mention: Publishing Android libraries to MavenCentral in 2021 | reddit.com/r/androiddev | 2021-02-08

    I've seen a workaround for this, but I don't think that's any better than what I have now.

  • Nanos

    Run Linux Software Faster and Safer than Linux with Unikernels.

  • GitHub repo recyclerview-animators

    An Android Animation library which easily add itemanimator to RecyclerView items.

    Project mention: How can I code an app like this? | reddit.com/r/androidapps | 2021-02-23

    Probably uses a library of some sort for animations, the rest would be Recyclerviews and components normal to Android. The whole thing is set in a Fragment/ Tabbed Activity.

  • GitHub repo compose-samples

    Official Jetpack Compose samples.

    Project mention: Ask HN: Flutter vs. React Native – which one do you prefer? | news.ycombinator.com | 2021-11-26
  • GitHub repo Coil

    Image loading for Android backed by Kotlin Coroutines.

    Project mention: Requesting best practices to remove lag on Jetpack compose Sectioned LazyColumn | reddit.com/r/androiddev | 2021-09-30

    u/khaled2252 Thank you for the reply. I do use images and for loading images, I am relying on coil-compose library. I also had the similar thought like yours and only used simple

  • GitHub repo koin

    Koin - a pragmatic lightweight dependency injection framework for Kotlin

    Project mention: Do we really need to use Dependency Injection Framework? | reddit.com/r/androiddev | 2021-11-14

    Now I will finish up saying Hilt is just an opinionated way to dependency injection on Android, but there are simpler frameworks out there such as Koin or Kodein that can help take away a lot of the troubles that can come when you try to make your own framework. Just know that most other frameworks tend to be runtime injection instead of compile time injection like Hilt, which can be helpful to know at compile time if you are missing a dependency in your graph as opposed to runtime when its out in the wild.

  • GitHub repo compose-jb

    Jetpack Compose for Desktop and Web, a modern UI framework for Kotlin that makes building performant and beautiful user interfaces easy and enjoyable.

    Project mention: Compose Multiplatform 1.0 released | reddit.com/r/androiddev | 2021-12-02

    Release notes

  • GitHub repo Compressor

    An android image compression library.

  • GitHub repo android-oss

    Kickstarter for Android. Bring new ideas to life, anywhere.

    Project mention: Open Source Android projects with good testing coverage | reddit.com/r/androiddev | 2021-08-15
  • GitHub repo Fenix

    Firefox for Android

    Project mention: Containers for Firefox on Android? | reddit.com/r/firefox | 2021-12-03

    Follow: https://github.com/mozilla-mobile/fenix/issues/10581

  • GitHub repo android-showcase

    💎 Android application following best practices: Kotlin, Coroutines, JetPack, Clean Architecture, Feature Modules, Tests, MVVM, DI, Static Analysis...

    Project mention: Been out of Android dev for a few years. What's the most important things for me to read up on? | reddit.com/r/androiddev | 2021-06-26

    Some repos here: https://github.com/igorwojda/android-showcase

  • GitHub repo Android-Iconics

    Android-Iconics - Use any icon font, or vector (.svg) as drawable in your application.

  • GitHub repo Pokedex

    🗡️ Android Pokedex using Hilt, Motion, Coroutines, Flow, Jetpack (Room, ViewModel) based on MVVM architecture.

    Project mention: Open source apps that use Android architecture components? | reddit.com/r/androiddev | 2021-06-24
  • GitHub repo WilliamChart

    Android Library to rapidly develop attractive and insightful charts in android applications. (by diogobernardino)

  • GitHub repo uhabits

    Loop Habit Tracker, a mobile app for creating and maintaining long-term positive habits

    Project mention: Is there such thing as a privacy focused habit tracker? | reddit.com/r/PrivacyGuides | 2021-11-29
  • GitHub repo Fuel

    The easiest HTTP networking library for Kotlin/Android

    Project mention: What is the retrofit alternative for Kotlin Multiplatform mobile ? | reddit.com/r/Kotlin | 2020-12-27

    That kinda reminds me of Fuel https://github.com/kittinunf/fuel

  • GitHub repo Context-Menu.Android

    You can easily add awesome animated context menu to your app.

  • GitHub repo Fotoapparat

    Making Camera for Android more friendly. 📸

    Project mention: Camera X, Camera 2 or something else? | reddit.com/r/androiddev | 2021-03-12

    I don't really know industry standards, but in the past I've used the Fotoapparat library and it has always worked perfectly and with great performances (besides being very easy to use)

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2021-12-03.

Kotlin Android related posts


What are some of the best open-source Android projects in Kotlin? This list will help you:

Project Stars
1 OkHttp 41,212
2 architecture-samples 39,783
3 leakcanary 26,977
4 material-dialogs 19,105
5 flexbox-layout 17,148
6 tachiyomi 13,639
7 MaterialDrawer 11,497
8 recyclerview-animators 10,906
9 compose-samples 9,839
10 Coil 7,386
11 koin 7,107
12 compose-jb 6,876
13 Compressor 6,214
14 android-oss 5,624
15 Fenix 5,356
16 android-showcase 5,183
17 Android-Iconics 4,903
18 Pokedex 4,835
19 WilliamChart 4,744
20 uhabits 4,514
21 Fuel 4,041
22 Context-Menu.Android 3,803
23 Fotoapparat 3,700
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