Open-Source Android Apps

Cryptomator for Android

Bootstrap style widgets for Android, with Glyph Icons

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BLE SDK for Android (v4.3 or above)

判断App位于前台或者后台的6种方法

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

提高 Android UI 开发效率的 UI 库

OwnTracks Android App

🔥 Android developers should collect the following utils(updating).

Simplenote for Android

Pubnub Android WebRTC Signaling Library

☑️ [Cheatsheet] Tips and tricks for Android Development

A SnapHelper that snaps a RecyclerView to an edge.

Infinite cycle ViewPager with two-way orientation and interactive effect.

It's a cool animation which can use in splash or somewhere else.

Animated SVG Drawing for Android

Dynamic in app URL router for Android

A Simple Pcm / Wav audio recorder with nice api. https://play.google.com/store/apps/details?id=com.kingbull.omrecorder

Speedy Type Adapter Generation

A widget showing your github details that you can embed in any website.

StaggeredGridView + Picasso/Glide + RecyclerView Android

Android Calendar Library with customaizable month and year view

A server-side library for sending Push Notifications to iOS (iPhone/iPad APNS), Android (C2DM and GCM - Google Cloud Message), Windows Phone, Windows 8, Amazon, Blackberry, and (soon) FirefoxOS dev…

基于Android系统Api封装常用工具类

AdvancedTextView provides advanced features that simplifies complicated UI processes

an android widget to show calendar

Toggle button which shows a happy face for checked or unhappy for unchecked.

A library to take picture easy, transform your data in different format and save photos in your device