25 Best Android Libraries, Projects, and Tools You Won’t Want to Miss Out in 2021

This page summarizes the projects mentioned and recommended in the original post on dev.to

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  • Expenso

    📊 A Minimal Expense Tracker App built to demonstrate the use of modern android architecture component with MVVM Architecture

    1. Expenso

  • material-components-android

    Modular and customizable Material Design UI components for Android

    Android Architecture Components, especially: Stateflow, Flow, ViewModel , Room, Jetpack Navigation, DataStore, and Material Components for Android

  • Appwrite

    Appwrite - The Open Source Firebase alternative introduces iOS support. Appwrite is an open source backend server that helps you build native iOS applications much faster with realtime APIs for authentication, databases, files storage, cloud functions and much more!

  • TimeRangePicker

    A customizable, easy-to-use, and functional circular time range picker library for Android. Use this library to mimic Apple's iOS or Samsung's bedtime picker. (by Droppers)

    2. TimeRangePicker

  • SSCustomBottomNavigation

    Animated TabBar with native control and Jetpack Navigation support..✨🔖🚀

    3. SSCustomBottomNavigation

  • curtains

    Lift the curtain on Android Windows!

    The library has great documentation, examples, samples, and FAQ. It is developed under Apache License, Version 2.0, and currently has a 1.2.1 version, so it is ready for production projects.

  • leakcanary

    A memory leak detection library for Android.

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

  • radiography

    Text-ray goggles for your Android UI.

    Listing all attached root views for debugging (Radiography) or test purposes (Espresso).

  • SonarLint

    Deliver Cleaner and Safer Code - Right in Your IDE of Choice!. SonarLint is a free and open source IDE extension that identifies and catches bugs and vulnerabilities as you code, directly in the IDE. Install from your favorite IDE marketplace today.

  • android-test

    An extensive framework for testing Android apps

    Listing all attached root views for debugging (Radiography) or test purposes (Espresso).

  • RoundedProgressBar

    A customizable, animated progress bar that features rounded corners. This Android library is designed to look great and be simple to use 🎉

    5. RoundedProgressBar

  • SurveyKit

    Android library to create beautiful surveys (aligned with ResearchKit on iOS)

    6. SurveyKit

  • ResearchKit

    ResearchKit is an open source software framework that makes it easy to create apps for medical research or for other research projects.

    It was inspired by ResearchKit Surveys on iOS and allows you to create many types of surveys. You can check them in the really good comprehensive documentation with examples.

  • gamedge

    An Android application for browsing video games and checking the latest gaming news from around the world.

    7. Gamedge

  • SegmentedProgressBar

    An instagram-like segmented progress bar (by TOrnelas)

    8. SegmentedProgressBar

  • licensee

    Gradle plugin which validates the licenses of your dependency graph match what you expect

    9. Licensee

  • TedImagePicker

    TedImagePicker is simple/beautiful/smart image picker

    lots of configuration options like animations, showing camera tile background, image, back button, etc. All the configuration options you can find in quite comprehensive documentation.

  • panel-layout

    Panel Layout is a UI library for Android that allows you to display a floating and resizable panel that can also snap to the edges.

    12. PanelLayout

  • PanelKit

    The library was inspired by the iOS UI framework PanelKit and uses ConstraintLayout to lay out the panel with rest of the content.

  • kmm-production-sample

    This is an open-source, mobile, cross-platform application built with Kotlin Multiplatform Mobile. It's a simple RSS reader, and you can download it from the App Store and Google Play. It's been designed to demonstrate how KMM can be used in real production projects.

    13. KMM Production Sample

  • SmartRecyclerAdapter

    Small, smart and generic adapter for recycler view with easy and advanced data to ViewHolder binding.

    14. Smart Recycler Adapter

  • Cabret-Log

    :pencil2: Method call logging for Kotlin Multiplatform

    15. Cabaret Log

  • SuperBottomBar

    Spotify like android material bottom navigation bar library.

    16. SuperBottomBar

  • mosaic

    An experimental tool for building console UI in Kotlin using the Jetpack Compose compiler/runtime (by JakeWharton)

    17. Mosaic

  • Ink

    🌈 React for interactive command-line apps

    The library was developed by Jake Wharton who was inspired by Ink.

  • LabeledSeekSlider

    Custom & highly configurable seek slider with sliding intervals, disabled state and every possible setting to tackle!

    18. LabeledSeekSlider

  • EitherNet

    A pluggable sealed API result type for modeling Retrofit responses.

    19. EitherNet

  • Retrofit

    A type-safe HTTP client for Android and the JVM

    This is a library from Slack Engineering and gives us a pluggable sealed API result type for modeling Retrofit responses.

  • Channelify

    Convert your YouTube channel into a native Android app using YouTube Data API v3.

    20. Channelify

  • custom-floating-action-button

    This view is for replacement of standard Floating Action Button from Google Support Library. It is easy to use, customizable and you can also add text to button

    21. Custom Floating Action Button

  • android-testify

    Add screenshots to your Android tests

    22. Testify — Android Screenshot Testing

  • MixAnimationsMotionLayout

    En este repo encontraras multiples ejemplos de animaciones con #MotionLayout

    23. MixAnimationsMotionLayout

  • SpotiFlyer

    Kotlin Multiplatform Music Downloader, Supports Spotify / Gaana / Youtube Music / Jio Saavn / SoundCloud. NOTE: BEING REWRITTEN, SO STAY TUNED.

    24. SpotiFlyer

  • Quantitizer

    :sparkles: A quantity stepper for android projects

    25. Quantitizer

NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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