Design patterns implemented in Java

Event bus for Android and Java that simplifies communication between Activities, Fragments, Threads, Services, etc. Less code, better quality.

This is a sample app that is part of a series of blog posts I have written about how to architect an android application using Uncle Bob's clean architecture approach.

Android Transition animations explanation with examples.

Cute view animation collection.

Cracking the Coding Interview 6th Ed. Solutions

Android library to observe scroll events on scrollable views.

This library provides a simple way to add a draggable sliding up panel (popularized by Google Music and Google Maps) to your Android application. Brought to you by Umano.

This is a library with components of Android L to you use in android 2.2

Learning RxJava for Android by example

An Android library supports badge notification like iOS in Samsung, LG, Sony and HTC launchers.

Use SQL to query Elasticsearch

RichEditor for Android is a beautiful Rich Text WYSIWYG Editor for Android.

Barcode scanner library for Android, based on the ZXing decoder

A sample Android app which showcases advanced usage of Dagger among other open source libraries.

A Model-View-Presenter / Model-View-Intent library for modern Android apps

A library that gives depth to Views.

Android component which presents a dismissible view from the bottom of the screen

Fault tolerance and resilience patterns for the JVM

A Job Queue specifically written for Android to easily schedule jobs (tasks) that run in the background, improving UX and application stability.

An elegant way to show your menu or messages.

A collection of quickstart samples demonstrating the Google APIs for Android and iOS

[DEPRECATED] A simple way to "badge" any given Android view at runtime without having to cater for it in layout

Solutions for some common algorithm problems written in Java.

GreenDroid is a development library for the Android platform. It makes UI developments easier and consistent through your applications.

Nifty Modal Dialog Effects

Android Animation Easing Functions. Let's make animation more real!

Lollipop ViewAnimationUtils.createCircularReveal for everyone 4.0+

One way to present a set of actions to a user is with bottom sheets, a sheet of paper that slides up from the bottom edge of the screen. Bottom sheets offer flexibility in the display of clear and …

Over 1600 customizable icons for Android including 750+ Google Material Design icons, 25 ready-made social badges, and more!