- Apache Common (Development Framework)
requires 1 permissions: android.permission.INTERNET 
an Apache project focused on all aspects of reusable Java components.
- Logback (Utility)
requires 1 permissions: android.permission.INTERNET
a logging helper intended as a successor to the popular log4j project, picking up where log4j leaves off.
- 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.
- Asynclayoutinflater (UI Component)
AndroidX library to inflate layouts asynchronously to avoid jank in the UI.
- Cardview (UI Component)
AndroidX library to implement the Material Design card pattern with round corners and drop shadows.
- Android Support Library collections (Utility)
standalone efficient collections.
- Concurrent (Utility)
AndroidX library to help move tasks off the main thread with coroutines and take advantage of ListenableFuture.
- Constraint Layout Library (Utility)
library to reduce the number of nested views needed.
- Coordinatorlayout (UI Component)
AndroidX library to position top-level application widgets, such as AppBarLayout and FloatingActionButton.
- 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.
- Android Support Library Custom View (UI Component)
a module to implement custom views. Part of the Android Support Library.
- Documentfile (UI Component)
a library to view a file document.
- Drawerlayout (UI Component)
AndroidX library to implement a Material Design drawer widget.
- Dynamicanimation (UI Component)
create smooth animations with a physics-based animation API.
- Android Emoji2 Compat (UI Component)
core library to enable emoji compatibility in Kitkat and newer devices to avoid the empty emoji characters.
- Exifinterface (Utility)
a library to read and write image file EXIF tags.
- AndroidX Fragment (UI Component)
AndroidX library to encapsulate part of the user interface or behavior into reusable components.
- Interpolator (UI Component)
AndroidX library to use animation interpolators on older platforms.
- Leanback (Utility)
support for Android TV devices using dpad-friendly widgets and template fragments.
- 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.
- AndroidX Media (Utility)
share media contents and controls with other apps.
- Palette (Utility)
AndroidX library to extract representative color palettes from images.
- 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.
- ProfileInstaller (Utility)
AndroidX library that enables libraries to prepopulate ahead of time compilation traces to be read by ART.
- ResourceInspection (Development Aid)
AndroidX library to surface the attributes of custom views in Android Studio’s Live Layout Inspector.
- Recyclerview (Utility)
display large sets of data in your UI while minimizing memory usage.
- Android Activity Saved State (Utility)
provides the base Activity subclass and the relevant hooks to build a composable structure on top.
- Slidingpanelayout (UI Component)
AndroidX library to implement a sliding pane UI pattern.
- Startup (Utility)
AndroidX library to implement a straightforward, performant way to initialize components at app startup.
- Swiperefreshlayout (UI Component)
implemtation of the swipe-to-refresh UI pattern.
- Tracing (Utility)
AndroidX library to write trace events to the system trace buffer.
- Transition (UI Component)
animates motion in the UI with starting and ending layouts.
- Android Support TV Provider (Utility)
Provide Android TV channels.
- 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.
- Viewpager (UI Component)
AndroidX library to display Views or Fragments in a swipeable format.
- 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.
- Jetpack WindowManager Library (Utility)
enables application developers to support new device form factors and multi-window environments. The library provides a common API surface for API versions 14 and later. Especially provides additional functionality on foldable devices.
- FileCoreLibrary (Utility)
provides smb, sftp, document provider, external storage access for file browsing support.
- aos-Video (Utility)
video player front-end and the main UI for Archos MediaCenter.
- MediaLib (Utility)
avos player java interfaces and scrapping support.
- Android-ObservableScrollView (UI Component)
a library to observe scroll events on scrollable views.
- logback-android (Utility)
a reliable, generic, fast and flexible logging framework for Android.
- 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.
- Google Gson (Utility)
A Java serialization/deserialization library to convert Java Objects into JSON and back.
- asn-one (Utility)
a pure Java implementation of an ASN.1 encoder and decoder supporting the BER and DER encoding rules of the bytestream.
- sshj (Utility)
SSHv2 library for Java.
- smbj (Utility)
Server Message Block (SMB2, SMB3) implementation in Java.
- ThreeTen Android Backport (Utility)
adaptation of the
JSR-310 (Date and Time API) backport for Android.
- JSch - Java Secure Channel (Utility)
a pure Java implementation of SSH2 to connect to an sshd server and use port forwarding, X11 forwarding, file transfer, etc.
- OkHttp (Utility)
OkHttp is an HTTP+HTTP/2 client for Android and Java applications.
- Picasso (Utility)
image downloading and caching library.
- sardine-android (Utility)
a WebDAV library for Android.
- tmdb-java (Utility)
Java wrapper around themoviedb.org API v3.
- trakt-java (Utility)
- Wutka DTD (Development Aid)
- JavaX Servlet API (Utility)
- Javax XML (Utility)
XML processing.
- JCIFS (Utility)
- Kotlin (Utility)
The Kotlin Programming Language
- kotlinx.coroutines (Utility)
library support for Kotlin coroutines.
- MBassador (Utility)
powerful event-bus optimized for high throughput in multi-threaded applications. Features: Sync and Async event publication, weak/strong references, event filtering, annotation driven.
- EdDSA-Java (Utility)
pure Java implementation of
EdDSA (cryptography: Edwards-curve Digital Signature Algorithm).
- I2P Android (Utility)
- sshj (Utility)
SSHv2 library for Java: ssh, scp and sftp.
- OkHttp okio Framework (Utility)
A modern I/O API for Java to make it much easier to access, store, and process your data.
- Apache HttpComponents (Utility)
a toolset of low level Java components focused on HTTP and associated protocols.
- Apache Oltu (Utility)
an OAuth protocol implementation in Java.
- Jakarta ORO (Utility)
a set of text-processing Java classes that provide Perl5 compatible regular expressions, AWK-like regular expressions, glob expressions, and utility classes for performing substitutions, splits, filtering filenames, etc.
- Bouncy Castle (Utility)
a collection of APIs used in cryptography. Also see
Wikipedia.
- Eclipse Jetty (Utility)
provides a Web server and javax.servlet container, plus support for HTTP/2, WebSocket, OSGi, JMX, JNDI, JAAS and many other integrations.
- IntelliJ IDEA (Utility)
- 4th Line Seamless Libraries (Utility)
collection of libraries used by other 4th Line projects.
- Simple (Utility)
high performance XML serialization and configuration framework for Java.
- 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.
- Cling UPnP (Utility)
4thline
UPnP/
DLNA library for Java and Android.
- ThreeTen backport project (Utility)
Backport of functionality based on
JSR-310 (Date and Time API) to Java SE 6 and 7.
- XML Pull (Utility)
a minimalist API for easy building on top of it SAX, XML pull parsers.
- Retrofit (Utility)
Type-safe HTTP client for Android and Java by Square, Inc.
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