AndroidXRef

玩Android是一个每日推荐20~30篇Android优质文章的站点，提供Android常用工具和常用网站，并以知识体系的形式展现所有的文章分类。

安宝传感器(www.android-gems.com)为你提供供求信息、行业资讯、技术资料、厂家代理商、招商代理等传感器行业服务.

Build beautiful, usable products faster. Material Design is an adaptable system—backed by open-source code—that helps teams build high quality digital experiences.

Find, discover and download the best apps and games for Android in the official Aptoide app store

提供Android OS在线源代码预览

A quick reference table of Android versions with SDK & API levels, version codes, codenames, cumulative usage, and more.

使用React来编写原生应用的框架

Angrytools offer free online tools for web development and mobile application. online gradient generator for browser and android devices

apkmirror-国外APK应用分发市场

Search Google Play and discover the best Android apps from AppBrain, the leading Android app directory.

为方便朋友入门安卓应用开发，整理的Android新手教程。突出一个简单明了，上手快。汇总了Android开发需要的知识，也讲解一些Java知...

F-Droid is an installable catalogue of FOSS (Free and Open Source Software) applications for the Android platform. The client makes it easy to browse, install, and keep track of updates on your device.

Fossdroid's aim is to promote free and open source apps on the Android platform: the newest, the trendiest and the most popular ones.

A categorized directory of libraries and tools for Android

Download APK for Android Game, Android App - Latest Version, Old Versions, Android Tablet, Android Smart TV, Android Wear, armeabi-v7a, arm64-v8a, x86, x86_x64 - Free