- Google Gson (Utility)
A Java serialization/deserialization library to convert Java Objects into JSON and back.
- ZXing ('Zebra Crossing') (Utility)
requires 3 permissions: android.permission.WAKE_LOCK, android.permission.VIBRATE, android.permission.CAMERA
ZXing („zebra crossing“) is an open-source, multi-format 1D/2D barcode image processing library.
- Android Support v4 (Development Framework)
The Android Support Library is not actually a single library, but rather a collection of libraries that can roughly be divided into two groups: compatibility and component libraries. For details, please see
Understanding the Android Support Library.
- Constraint Layout Library (Utility)
library to reduce the number of nested views needed.
- AppCompat (Utility)
support newer Android features on older Android versions.
- Androidx Core (Utility)
a static library that you can add to your Android application in order to use APIs that are either not available for older platform versions or utility APIs that aren't a part of the framework APIs.
- androidx.legacy (Utility)
a static library that you can add to your Android application in order to use APIs that are either not available for older platform versions or utility APIs that aren't a part of the framework APIs.
- androidx.work (Utility)
a library used to enqueue deferrable work that is guaranteed to execute sometime after its Constraints are met.
- AHBottomNavigation (UI Component)
library to reproduce the behavior of the Bottom Navigation guidelines from Material Design.
- minimal-json (Utility)
a fast and small JSON parser and writer.
- Fasterxml (Utility)
an XML parser
- Google Material Design (Utility)
library to help with material design guidelines.
- Google Core Libraries for Java 6+ (Utility)
a set of core libraries that includes new collection types (such as multimap and multiset), immutable collections, a graph library, functional types, an in-memory cache, and APIs/utilities for concurrency, I/O, hashing, primitives, reflection, string processing, and much more.
- Error Prone (Utility)
a static analysis tool for Java that catches common programming mistakes at compile-time.
- J2ObjC (Utility)
Java to Objective-C Translator and Runtime.
- Google Protocol Buffers (Utility)
library that deals with Protocol Buffers (a.k.a., protobuf) – Google's language-neutral, platform-neutral, extensible mechanism for serializing structured data.
- ZXing Android Embedded (Utility)
Barcode scanning library for Android, using ZXing for decoding.
- Lambdaworks Codec (Utility)
collection of high-performance binary data codecs (base16, base64, Base64Url).
- Crypto (Utility)
high-performance cryptography library.
- LeakCanary (Utility)
A memory leak detection library for Android and Java.
- OkHttp (Utility)
OkHttp is an HTTP+HTTP/2 client for Android and Java applications.
- sphlib (Utility)
a set of implementations of various hash functions.
- RxJava (Utility)
RxJava (Reactive Extensions for the JVM) is a library for composing asynchronous and event-based programs using observable sequences for the Java VM.
- JavaX Annotation API (Utility)
common annotations for the JavaTM Platform API.
- Kotlin (Utility)
The Kotlin Programming Language
- kotlinx.coroutines (Utility)
library support for Kotlin coroutines.
- CircleIndicator (UI Component)
lightweight viewpager indicator like in nexus 5 launcher.
- JCIP Annotations (Utility)
a cleanroom implementation of the
JCIP (Java Concurrency in Practice) annotations.
- OkHttp okio Framework (Utility)
A modern I/O API for Java to make it much easier to access, store, and process your data.
- EOSIO SDK for Java (Utility)
API for integrating with EOSIO-based blockchains.
- Android RPC Provider (Utility)
an Android RPC provider implementation for use within EOSIO SDK for Java as a plugin.
- Apache Commons (Development Framework)
an Apache project focused on all aspects of reusable Java components.
- bitcoinj (Utility)
a Java implementation of the Bitcoin protocol, which allows it to maintain a wallet and send/receive transactions without needing a local copy of Bitcoin Core.
- Bouncy Castle (Utility)
a collection of APIs used in cryptography. Also see
Wikipedia.
- Checker Framework (Utility)
pluggable type-checking to detect and prevent errors in their Java programs.
- MojoHaus AnimalSniffer Maven Plugin (Utility)
build signatures of APIs and to check your classes against previously generated signatures.
- Java Hamcrest (Utility)
a library of matchers, which can be combined in to create flexible expressions of intent in tests.
- IntelliJ IDEA (Utility)
- Anko (Development Framework)
library with common helpers (dialogs, logging etc), layouts, SQLite helpers, and more.
- jUnit Java Unit Test (Utility)
simple framework to write repeatable tests.
- Reactive Streams (Utility)
provide a standard for asynchronous stream processing with non-blocking back pressure.
- Simple Logging Facade for Java (Utility)
abstraction for various logging frameworks (e.g. java.util.logging, logback, log4j) allowing to plug in the desired logging framework at deployment time.
- Spongy Castle (Utility)
a collection of APIs used in cryptography, to complement the stripped-down version of
Bouncy Castle Android ships with.
- Retrofit (Utility)
Type-safe HTTP client for Android and Java by Square, Inc.
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