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RxAndroidAudio
Maybe the most robust Android Audio encapsulation library, with part Rx support.

FPSAnimator
FPSAnimator is very easy animation library for Android TextureView and SurfaceView.

RxFlux
RxFlux is a small framework in order to follow Flux design pattern with RxJava functionalities

openalpr-android
Android Automatic License Plate Recognition library (http://www.openalpr.com) ported for android.

DrawerBehavior
A CoordinatorLayout behavior which mimics the functionality of DrawerLayout.

FlexLayout
A powerful Android layout view that use java expression in layout params to describe relative positions.

AppCompat-Extension-Library
A library that builds on the AppCompat Design Library and provides additional common components such as AccountHeaderView, FloatingActionMenu, CircleImageView, Picker Dialogs, FlexibleToolbarLayout, D

PowerfulRecyclerViewAdapter
A Common RecyclerView.Adapter implementation which supports any kind of items and has useful data operating APIs such as remove,add,etc.

DexKnifePlugin
A simple android gradle plugin to smart split the specified classes to multi dex.

LikeAnimation
Android like button with delightful star animation inspired by Twitter's heart. See blog post for description.

android-target-tooltip
Create Toast like tooltips, but targets can be specified, plus custom properties and features

LondonEyeLayoutManager
A Layoutmanager that must be used with RecyclerView. When list is scrolled views are moved by circular trajectory

FlexibleAdapter
1 Adapter for SelectionMode, ViewHolders, Filter, FastScroller, Animations, Undo, Headers, Expandable, Draggable, Swipeable :-)

RoadRunner
Road Runner is a library for android which allow you to make your own loading animation using a SVG image

showhidepasswordedittext
Show/Hide Password EditText is a very simple extension of Android's EditText that puts a clickable hide/show icon in the right hand side of the EditText that allows showing of the password.

onboarding-examples-android

StarWars.Android
This component implements transition animation to crumble view into tiny pieces.

PdfViewPager
Android widget that can render PDF documents stored on SD card, linked as assets, or downloaded from a remote URL.

HashTagHelper
This is a library designed for highlighting hashtags ("#example") and catching click on them.

VideoPlayerManager
This is a project designed to help controlling Android MediaPlayer class. It makes it easier to use MediaPlayer ListView and RecyclerView. Also it tracks the most visible item in scrolling list. When

overscroll-decor
Android: iOS-like over-scrolling effect applicable over almost all scrollable Android views.

android-openslmediaplayer
Re-implementation of Android's MediaPlayer and audio effect classes based on OpenSL ES APIs.

CrashWoodpecker
A nice exception handler library support showing logs both on Logcat & Woodpecker.

android-md-core
Material bootstrap for Android development like Bootstrap or Foundation for web.

SwipeMenuRecyclerView
A swipe menu for horizontal/vertical, support left/right add top/bottom directions

MaterialColdStart
Utilize the window background during cold start time to make your app look faster.

drag-select-recyclerview
Easy to implement Google Photos style multi-selection for RecyclerViews.

StickyHeaders
Adapter and LayoutManager for Android RecyclerView which enables sticky header positioning.

CompactCalendarView
An android library which provides a compact calendar view much like the one used in google calenders.

fresco-processors
An Android image processor library providing a variety of image transformations for Fresco.

AndroidMosaicLayout
AndroidMosaicLayout is android layout to display group of views as grid consists of different asymmetric patterns (90 different patterns).
