12+ Best Android Libraries of 2019 to Make Extraordinary Apps

Are you a Android Developer? Here are 12+ best and free Android libraries of 2019 that can make Android app development hassle-free and easy.
Best Android Libraries
28Nov November 28, 2019

By: Krishnendra | Views: 1315
Android App Development | 3 Min

When it’s about developing a high-quality custom Android app in the least time possible, you need the right set of Android libraries to accelerate your app development process. Saving you from reinventing the wheel, Android libraries not only save you a lot of time and effort but also help you quickly develop an app that is completely bugs-free.

So, without further ado, let’s jump right into the list of the 12 best and most useful Android libraries of 2019 which will help you make the development of your next Android app hassle-free and fun!


Fresco is a lightweight and powerful Android library to manage and display images in Android applications. Taking care of image loading and display, it frees you from the management of images in Android.

Fresco requires Android 2.3 (Gingerbread) or later and loads images from the network and local storage or resources. Additionally, it also supports:

  • Display of animated GIFs and WebPs
  • Streaming of progressive JPEGs
  • Extensive customization of image loading and display
  • And much more!


Retrofit is an awesome type-safe HTTP client built to turn your HTTP API into a Java interface. In layman’s terms, it makes loading JSON or XML data into Plain Old Java Objects (POJOs ridiculously simple.

Retrofit - Android Library

With Retrofit, not only you can define your REST API as an interface in one or two lines of code, but also you’re able to manipulate a number of components via annotations. Moreover, it also offers:

  • A separate Rx module
  • URL Manipulation
  • Query Parameters
  • Request Bodies
  • Multipart requests
  • Synchronous and asynchronous API calls execution


PixelShot is an easy to use and intuitive library that you can use to save any View, SurfaceView, and RecyclerView in your Android application in either PNG, JPG, or .nomedia formats. The default image format is JPG and images are saved to Pictures folder in your internal storage with a timestamp next to each image.

PixelShot works as an asynchronous thread in the background, deals with I/O errors, and handles memory allocation for you. You can use it for a number of scenarios, including taking screenshots inside your app to report a bug or improvement.


Covert is an easy-to-setup Android library that allows you to implement Material Swipe Actions in a RecyclerView with ease. It is built with Material Design principles in mind and comes with thorough documentation to help you get started quickly – in just three simple steps. While Covert tries to keep the set up as simple as possible, it also supports a more advanced setup.

Covert Android Library


The way how Android handles APIs and loads images and videos locally or from download has never been efficient for the system and Glide is introduced to deal with the same problem. With a clear objective of facilitating smooth scrolling, it ensures the quick and smooth loading of remote images into the ImageView.

Glide - Android Library

Additionally, Glide also allows you to define fallback images and scale or cache your images. You can do even more complex image stuff, such as media decoding, fetching, resource pooling, displaying video stills and animated GIFs, through a simple and easy to use interface.


Moshi is a well-known library used to convert JSON into Java and Kotlin objects. A lot of developers call it the next level of GSON library because it supports Kotlin and is much faster. As compared to GSON, Moshi is less configurable, has fewer built-in type adapters, and doesn’t have a JsonElement model.

With Moshi, converting your Kotlin classes to JSON (and vice-versa) is particularly easy. Additionally, it supports reading and writing of various Java’s core data types, including Primitives, Enums, Strings, Lists, Maps, and Collections.


ColorPicker is a simple and easy to use color picker for Android, using which you can pick the required color using a color wheel and a slider. Released under Apache 2.0 license, it works with API 14 and offers good documentation to get you started easily and quickly. If you need a color picker in your Android application, you should give it a try!

ColorPicker - Android Library


Splitties is a collection of small, independent Kotlin multiplatform libraries that are intended to make developing apps and libraries for Android easier and more fun. It primarily aims to reduce the amount of code you generally write, save the time you spend reading and writing code, so you can focus more on what you want to deliver to your users.

Since all the Android libraries are distributed and independent in Splitties, you have the freedom to add only the ones you need to your project. What’s more, each library has a small footprint and is as efficient as it can be.

#Mozilla Android Components

https://github.com/mozilla-mobile/android-componentsMozilla Android Components is a suite of independent, reusable libraries to make it easier for Android developers to build browsers and browser-like applications.

Released under MPL 2.0 license, the project contains nine sample apps to showcase how to use various components. The main purpose of this library is to accelerate mobile app development and reduce maintenance overhead.

#Leak Canary

One of the important aspects of any application is performance. There is a multitude of things that affect the app’s performance and Leak Canary is a memory leak detection library built to deal with the same problem.

Leak Canary

Allowing you to detect memory leaks in your app, it helps you find the main cause so that you can make the necessary changes in your app to boost its performance.


EventBus is an open-source library for Android that uses the publisher/subscriber pattern to event senders and receivers. With just a few lines of code, it simplifies the communication between different components such as Services, Threads, Fragments, Activities, etc.

EventBus - Android Library

Along with simplifying your code and removing complex and error-prone dependencies, EventBus speeds up your Android development with several advanced features like subscriber priorities, delivery threads, etc.


Picasso is an exceptionally powerful image downloading and caching library for Android to simplify the process of displaying images from external locations – often with a single line of code. Additionally, the library supports ImageView recycling, automatic memory and disk caching, and complex image transformation the least possible memory use.

Picasso - Android Library

In addition to the above-mentioned Android libraries, you can also try MaterialDrawer, Coil, and RxkPrefs to speed up your android app development.



Krishnendra is a highly experienced and qualified Technical Content Writer with a demonstrated history of working in the mobile app and web development industry. With over 8+ years of experience in crafting SEO-optimized technical content, he produces research-backed and data-driven content based on the latest trends and technologies. He is a born word fanatic who thinks out of the box and loves to create insightful content that people want to read, comment and share. Connect with him on LinkedIn.

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