Android developer portal with tools, libraries, and apps

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The Guava project contains several of Google's core libraries that we rely on in our Java-based projects: collections, caching, primitives support, concurrency libraries, common annotations, string processing, I/O, and so forth.

Jul 5, 2014

Android developers should collect the following utils.

May 15, 2017

Okio is a new library that complements java.io and java.nio to make it much easier to access, store, and process your data.

Jul 5, 2014

A huge set of utils for Android development.

Nov 6, 2015

An adaptation of the JSR-310 backport for Android.

Jul 4, 2015

Android common lib, include ImageCache, HttpCache, DropDownListView, DownloadManager, Utils and so on.

Jul 5, 2014

This library is a version of Joda-Time built with Android in mind.

Jan 26, 2015

jOOR stands for Java Object Oriented Reflection. It is a simple wrapper for the java.lang.reflect package.

Jun 29, 2015

VerbalExpressions is a Java library that helps to construct difficult regular expressions.

Jan 11, 2016

Collection of source codes, utilities, templates and snippets for Android development.

Mar 12, 2016

Implementation of various string similarity and distance algorithms: Levenshtein, Jaro-winkler, n-Gram, Q-Gram, Jaccard index, Longest Common Subsequence edit distance, cosine similarity...

Aug 7, 2016

A small Android library to manage one-off operations for API 9 and higher.

Some things should happen once:

  • Users should only get the guided tour once.
  • Release notes should only pop up once every app upgrade.
  • Your app should only phone home to update content once every hour.
Jul 29, 2015

Stream API from Java 8 rewrited on iterators for Java 7 and below.

Includes:

  • Functional interfaces;
  • Stream (without parallel processing);
  • Optional class;
  • Objects from Java 7.
Jul 23, 2015

SNTP client for Android. Calculate the date and time "now" impervious to manual changes to device clock time.

Sep 19, 2016

An easy way to persistence and run block codes only as many times as necessary on Android.

Jun 23, 2019

Removes the noise from float streams using Kalman Filter. Useful to smoothen sensory data e.g.: gps location, or Accelerometer.

Oct 19, 2016

Why use Holdr?

  • Because you hate typing findViewById() all the time.
  • Because Butterknife requires non-zero boilerplate and doesn't work well in library projects.
  • Because view holders are cool, but a pain to write.
Aug 26, 2014

Mr. Alfonz is here to help you build your Android app, make the development process easier and avoid boilerplate code.

Alfonz is a multi purpose library split into small modules (something like Android Support Library). Some of them depend on other modules or 3rd party libraries (RxJava, Retrofit, OkHttp), but in general I try to keep Alfonz simple and independent from other libs as much as possible.

Apr 7, 2017

A collection of static methods to perform various operations including color, device, drawable, package, tasks and sdk on Android 14+ (ICS or above) devices.

Jan 12, 2019
Announcement

It makes a preview from an URL, grabbing all information (such as title, relevant texts and images).

Nov 10, 2015

DevBricks provides several classes which will be usually used in daily Android development. With these "bricks", your development will become:

  • Efficient : The classes provided by DevBricks almost cover all of the aspect in daily development, from low-end database to user interface. You do not need to waste your time on those repeating work.
  • Reliable : More than 60% code has related Unit test. Your work will stand on stable foundation.
  • Consistent : DevBricks includes unified logging system, database accessing, UI elements and styles. This make all of your applications has consistency at primary impression.
Dec 21, 2016

SimpleDate is a Kotlin Library which helps you format the date as per your requirement.

Sep 3, 2019

Android port of Google's libphonenumber.

Jun 7, 2016

Save and load objects from SharedPreferences in a faster and simpler way.

Aug 28, 2017

Remote config management Android library powered by annotation processing and code generation.

Jul 24, 2019

A small and useful set of Android utility classes written in Kotlin to reduce boilerplate.

Dec 24, 2018

A Kotlin extensions + Utils library with Bunch of Help inbuild.

AmniXTension = AmniX's Tension Which Means No Tension to Developers, AmniXTension is Here.

Mar 2, 2019
Promotion

Advancement Utils for Android Developer with 100% interoperable with Java, written by Kotlin. RichUtils help Android developer to make better application with clean code.

Jun 8, 2017

A lot of utility classes for Android development.

Aug 5, 2016

reflection-no-reflection is a proof on concept to create an API that is 100% compatible reflection API, but without any reflection. Performance stuff for Android and Java.

Dec 24, 2014