Some useful libraries and samples for Android

Collection if libraries starred during some years of Android Development. Here is the definitely list of android Open Source libraries

* In titles means it has been categorized more than once (in different categories)

LIBRARIES

EXAMPLES

    Network
    Tasks
    Dependency Injection

Libraries

UI

Widgets

TextView

Title	Description
AutoFit TextView	A TextView that automatically resizes text to fit perfectly within its bounds
Token AutoComplete	Gmail style MultiAutoCompleteTextView for Android
Android RobotoTextView	Implementation of a TextView and all its direct/indirect subclasses with native support for the Roboto fonts, includes the brand new Roboto Slab fonts
Android Ago	An Android TextView that always displays an auto refreshing relative time span with respect to a reference time
Timely TextView	Animated TextView like Timely app
Email AutoComplete TextView	An AutoCompleteTextView optimized for email auto-complete
Shimmer Android	An Android TextView with a shimmering effect
Titanic	Android experiment showing a sinking TextView

EditText

Title	Description
Float Label EditText	Floating hint from edit text

ImageView

Title	Description
Ken Burns View	Android ImageViews animated by Ken Burns Effect
PhotoView	Implementation of ImageView for Android that supports zooming, by various touch gestures

ProgressBar

Title	Description
Holo Circular ProgressBar	is a Custom View implementation for Android you might know from the Android Clock
Google ProgressBar	Android library to display progress like google does in some of his services
Smooth ProgressBar	A small Android library allowing you to have a smooth and customizable horizontal indeterminate ProgressBar

ListView

Title	Description
Flabby ListView	Android library to display a ListView which cells are not rigid but flabby and react to ListView scroll and touch events
Dob List	DobLis is an Open Source Android library that provides to ListView adding ProgressBar (or any view) to the footer of ListView to be shown in loading more, and callback that is called when reaching last item in ListView

SeekBar

Title	Description
StartPoint SeekBar	StartPointSeekBar is a custom view for the Android platform that makes it possible to have a SeekBar to have custom start point

GridView

Title	Description
Asymmetric GridView	Crazy-ass Android GridView with asymmetric items

ScrollView

Title	Description
Discroll View	Scroll + discover = DiscrollView

ActionBar

Title	Description
Not Boring ActionBar	News Stand app makes the ActionBar not boring!

Sliding Views

Title	Description
Android Sliding Up Panel	This type of a panel is a common pattern also used in the Google Music app and the Rdio app
DobSliding	DobSliding is an Open Source Android library that allows developers to develop applications with vertical sliding menus just like the Android notifications menu

Other

Title	Description
Android FlipView	A small, easy to use android library for implementing flipping between views as seen in the popular Flipboard application
Android Flip	A component for flip animation on Android, which is similar to the effect in Flipboard iPhone/Android
Showcase View	Highlight the best bits of your app to users quickly, simply, and cool...ly
Android PDF View	A fast PDF reader component for Android development
Android ViewBadger	A simple way to "badge" any given Android view at runtime without having to cater for it in layout
Quilt View Library	QuiltView displays views of different sizes in a scrollable grid
FreeFlow	A layout engine for Android that decouples layouts from the View containers that manage scrolling and view recycling. FreeFlow makes it really easy to create custom layouts and beautiful transition animations as data and layouts change
Draggable Panel	Android library used to create an awesome Android UI based on a draggable element similar to the last YouTube graphic component

Animation

Parallax

Title	Description
Motion	An Android library allowing images to exhibit a parallax effect

Other

Title	Description
Android Sliding Up Panel *	Android Sliding Up Panel Demo
Android FlipView *	A small, easy to use android library for implementing flipping between views as seen in the popular Flipboard application
Android Flip *	A component for flip animation on Android, which is similar to the effect in Flipboard iPhone/Android
Flabby ListView *	Android library to display a ListView which cells are not rigid but flabby and react to ListView scroll and touch events
FreeFlow *	A layout engine for Android that decouples layouts from the View containers that manage scrolling and view recycling. FreeFlow makes it really easy to create custom layouts and beautiful transition animations as data and layouts change
Ken Burns View *	Android ImageViews animated by Ken Burns Effect
Draggable Panel *	Android library used to create an awesome Android UI based on a draggable element similar to the last YouTube graphic component
DobSliding *	DobSliding is an Open Source Android library that allows developers to develop applications with vertical sliding menus just like the Android notifications menu

Maps

Title	Description
Clusterer	Clustering in Maps v2 for Android

Validation

Title	Description
Android Saripaar	UI Validation Library for Android

Camera

Title	Description
Easy Camera	Wrapper around the android Camera class that simplifies its usage

Other

Title	Description
Shake Detector	This library provides a easy way to detect a shake movement using the build-in accelerometer and fire a callback on the UI thread every times it happens
Android Face Cropper	Android bitmap Face Cropper

Social

Title	Description
Twitter 4J	Twitter4J is an open-sourced, mavenized and Google App Engine safe Java library for the Twitter API
Twitter Android SDK	Twitter SDK for Android, using Twitter4j
Facebook Android SDK	Use the Facebook SDK for Android to integrate with Facebook, help build engaging social apps

Network

Title	Description
Merlin	Observes network connection status & gives callbacks
Robospice	RoboSpice is a modular android library that makes writing asynchronous long running tasks easy. It is specialized in network requests, supports caching and offers REST requests out-of-the box using extension modules
Android Volley	Android Volley Mirror
Retrofit	Type-safe REST client for Android and Java by Square, Inc
OkHttp	An HTTP+SPDY client for Android and Java applications

Tasks

Title	Description
Robospice *	RoboSpice is a modular android library that makes writing asynchronous long running tasks easy. It is specialized in network requests, supports caching and offers REST requests out-of-the box using extension modules
Bolts Android	Bolts is a collection of low-level libraries designed to make developing mobile apps easier

Open GL

Title	Description
Android Page Curl	An example application for creating page curl/flip effect on Android using OpenGL ES

Dependency Injection

Title	Description
Butterknife	Like Selenium, but for Android

Testing

Title	Description
Robotium	View "injection" library for Android
Spoon	Distributing instrumentation tests to all your Androids
Fest Android	A set of FEST assertion helpers geared toward testing Android

Reverse Engineering

Title	Description
JadX	Dex to Java decompiler

Bluetooth

Title	Description
Android Bluetooth SPP	Bluetooth Serial Port Profile which comfortable to developer application to communication with microcontroller via bluetooth

Samples

Network

Title
Robospice Samples

Tasks

Title
Robospice Samples *

Dependency Injection

Title
Android Dagger Example

Tools

Testing

Title
Quality Tools for Android

Open Source Apps

Chat

Title	Description
Conversations

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Some useful libraries and samples for Android

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