- Jackson Project (Utility)
modules to process data encoded in Avro, BSON, CBOR, CSV, Smile, (Java) Properties, Protobuf, XML or YAML.
- FasterXML (Utility)
requires 1 permissions: android.permission.INTERNET
a fast and compliant streaming JSON parser/writer with a StAX-like API and support for marshalling/unmarshalling POJOs via annotations.
- 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.
- AndroidX Activity (Utility)
provides the base Activity subclass and the relevant hooks to build a composable structure on top.
- Android Jetpack Annotations (Utility)
library that contains the annotations for Android Jetpack.
- Arch (Utility)
helper for other arch dependencies, including JUnit test rules that can be used with LiveData.
- AppCompat (Utility)
support newer Android features on older Android versions.
- Android Support Library collections (Utility)
standalone efficient collections.
- Constraint Layout Library (Utility)
library to reduce the number of nested views needed.
- 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 Cursor Adapter (Utility)
static library support version of the framework's CursorAdapter.
- Documentfile (UI Component)
a library to view a file document.
- Exifinterface (Utility)
a library to read and write image file EXIF tags.
- Androidx Fragment (Development Aid)
- 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.
- Lifecycle (Utility)
perform actions in response to a change in the lifecycle status of another component, such as activities and fragments.
- Loader (Utility)
library to load data for your UI that survives configuration changes.
- AndroidX Local Broadcast Manager (Utility)
an application-wide event bus and embraces layer violations in your app: any component may listen events from any other.
- Media (Utility)
share media contents and controls with other apps.
- Preference (Utility)
a library to build interactive settings screens without needing to interact with device storage or manage the UI.
- Print (Utility)
a library to print photos, docs, and other graphics and images.
- Room (Utility)
a persistence library that provides an abstraction layer over SQLite to allow for more robust database access while harnessing the full power of SQLite.
- Android Activity Saved State (Utility)
provides the base Activity subclass and the relevant hooks to build a composable structure on top.
- Sqlite (Utility)
library that contains abstract interfaces along with basic implementations which can be used to build your own libraries that access SQLite.
- Transition (UI Component)
animates motion in the UI with starting and ending layouts.
- Vectordrawable (UI Component)
AndroidX library to render vector graphics.
- Android Jetpack VersionedParcelable (Utility)
Provides a stable but relatively compact binary serialization format that can be passed across processes or persisted safely.
- AndroidX Widget ViewPager2 (UI Component)
replaces AndroidX ViewPager, addressing most of its predecessor’s pain-points, including right-to-left layout support, vertical orientation, modifiable Fragment collections, etc.
- Bolts Framework (Development Framework)
collection of low-level libraries designed to make developing mobile apps easier. Bolts was designed by Parse and Facebook for their own internal use, and then made open source.
- ExoMedia (Utility)
an Android ExoPlayer wrapper to simplify Audio and Video implementations.
- Android-Job (Utility)
Android library to handle jobs in the background.
- Fresco (Utility)
library for managing images and the memory they use.
- SoLoader (Utility)
native code loader for Android.
- audio-waveform (UI Component)
shows audio file's waveform, not spectrum.
- AppIntro (Development Aid)
an Android Library that helps making a cool intro for the app.
- Android-SpinKit (UI Component)
loading animations.
- ExoPlayer (Utility)
an extensible media player library for Android
- Google Mobile Services© (Development Framework)
Google Mobile Services in terms of the Android library refers to
Google Play Services, a proprietary background service and API package for Android devices which is
not part of the Android Open Source Project (AOSP). The library does not contain those services (i.e. it usually requires the Google Framework, often referred to as „GApps“, being installed on the device), but allows an app to communicate with them. Be aware this usually goes along with transferring at least parts of your personal data to the Google network.
- 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.
- Google Gson (Utility)
A Java serialization/deserialization library to convert Java Objects into JSON and back.
- libphonenumber (Utility)
library for parsing, formatting, and validating international phone numbers.
- 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.
- Better Video Player (Utility)
Video playback on Android, made better in Kotlin, wrapping around the stock MediaPlayer API.
- SimpleWaveform (UI Component)
a widget to show a sequence data in waveform or bar chart.
- AboutLibraries (Utility)
a library to offer some information about libraries.
- FastAdapter (Utility)
provides core functionality most apps require. It also prevents common mistakes by taking away those steps from the devs.
- Android-Iconics (Utility)
library to include vector icons with an app, i.e. having scalable icons.
- CameraView (Utility)
interface that makes capturing pictures and videos easy
- Egloo (Development Framework)
a simple and lightweight multiplatform framework for OpenGL ES drawing and EGL management that uses object-oriented components.
- OkHttp (Utility)
OkHttp is an HTTP+HTTP/2 client for Android and Java applications.
- FrescoImageViewer (UI Component)
a customizable Android full screen image viewer for Fresco library.
- Material DateTime Picker (UI Component)
a library that offers date and time pickers as shown in the Material Design spec, with a themable API.
- Guardian Project NetCipher (Utility)
Network Security and Proxy Library.
- easyRS (Utility)
Convenience RenderScript tools for processing common Android formats such as Bitmap and NV21.
- Kotlin (Utility)
The Kotlin Programming Language
- kotlinx.coroutines (Utility)
library support for Kotlin coroutines.
- Actual Number Picker (UI Component)
an Android custom-built View for choosing numbers.
- PhotoDraweeView (UI Component)
PhotoView For Fresco.
- MaterialProgressBar (UI Component)
Material Design ProgressBar with consistent appearance.
- Argparse4j (Utility)
Java command-line argument parser library.
- Audio Wife (Utility)
audio player library for Android.
- OkHttp okio Framework (Utility)
A modern I/O API for Java to make it much easier to access, store, and process your data.
- DiscreteSeekBar (UI Component)
an implementation of the Discrete Slider component from the Google Material Design Guidelines.
- Apache Commons (Development Framework)
an Apache project focused on all aspects of reusable Java components.
- Apache Http (Utility)
a toolset of low level Java components focused on HTTP and associated protocols.
- signal-cli (Utility)
a commandline interface for libsignal-service-java.
- Bouncy Castle (Utility)
a collection of APIs used in cryptography. Also see
Wikipedia.
- IntelliJ IDEA (Utility)
- NanoHTTPD (Utility)
a tiny, easily embeddable HTTP server in Java.
- Spongy Castle (Utility)
a collection of APIs used in cryptography, to complement the stripped-down version of
Bouncy Castle Android ships with.
- curve25519-java (Utility)
encryption: Pure Java and JNI backed
Curve25519 implementation.
- Signal Protocol library for Java/Android (Utility)
- signal-service-java (Utility)
a Java/Android library for communicating with the Signal messaging service.