- Google Gson (Utility)
A Java serialization/deserialization library to convert Java Objects into JSON and back.
- simple framework (Development Aid)
- ZXing ('Zebra Crossing') (Utility)
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.
- 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.
- 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.
- Palette (Utility)
AndroidX library to extract representative color palettes from images.
- Print (Utility)
a library to print photos, docs, and other graphics and images.
- Android Activity Saved State (Utility)
provides the base Activity subclass and the relevant hooks to build a composable structure on top.
- 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.
- Material Dialogs (UI Component)
library to help building dialogs that meet the Material Design standards, including e.g. progress display, multiple-choice selections with check-boxes, password (and other) text input.
- FloatingActionButton (UI Component)
Android Floating Action Button based on Material Design specification.
- TinyPinyin (Utility)
romanization library for Chinese
- Google Material Design (Utility)
library to help with material design guidelines.
- Android 3D Touch - PeekView (UI Component)
library to emulate iOS's „3D Touch“ preview functionality on Android.
- Android Sliding Activity Library (Utility)
library which allows you to swipe down from an activity to close it.
- 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.
- MaterialDrawer (UI Component)
all in one drawer library with Material Design.
- Materialize (Utility)
manage an app's StatusBarShadow, FullScreen behavior and much more over API Levels down to 10 (Android 2.3.3).
- Opencsv (Utility)
a very simple csv (comma-separated values) parser library for Java.
- OkHttp (Utility)
OkHttp is an HTTP+HTTP/2 client for Android and Java applications.
- Compressor (Utility)
an android image compression library.
- Blurry (Utility)
an image blur library for Android.
- barcodescanner (Utility)
library project that provides easy to use and extensible Barcode Scanner views based on ZXing and ZBar.
- MaterialProgressBar (UI Component)
Material Design ProgressBar with consistent appearance.
- OkHttp okio Framework (Utility)
A modern I/O API for Java to make it much easier to access, store, and process your data.
- Aho-Corasick (Utility)
Java implementation of the Aho-Corasick algorithm for efficient string matching.
- Simple (Utility)
high performance XML serialization and configuration framework for Java.
- Retrofit (Utility)
Type-safe HTTP client for Android and Java by Square, Inc.