ProviderInfo

安卓NFC读写非接触IC卡是一款基于非接触IC卡的NFC应用，支持符合ISO7816—3、ISO15693和Felica等国际标准卡片的读取，能够读取的电子标签包括公交卡、银行卡、图书馆射频标贴等。NFCard可以用来读取电子钱包（主要是公交卡）中未加密的余额、交易记录、标识等信息。该软件使用了模块化设计，方便扩充支持其他特殊类型的卡片协议和指令。(Android NFC read write non-contact IC card is a NFC application based on Contactless IC card, support in line with the international standard ISO7816- 3, iso15693 and felica etc. card read, to read electronic tag includes bus card, bank card, library RF stickers and so on. NFCard can be used to read the electronic wallet (mainly public transport card) in the balance of the encryption, transaction records, identification and other information. The software uses a modular design to facilitate the expansion of support for other special types of card protocols and instructions.)

Wi-fi Director

Phone/Android/iPad客户端V3全面支持iPhone/Android/iPad客户端访问，客户端功能丰富(Phone/Android/iPad client V3 full support for iPhone/Android/iPad client access feature-rich client)

拼图游戏代码，java实现，可参考，仅供学习(Jigsaw code, java implementation, reference, only to learn)

AsyncTask 异步下载网络图片 示例源码下载

线性代数应该这样学(Linar Algebra Done Right).pdf

android NFC 例子源码下载

this is android guid

web api 服务器端写法

binder原理的实践代码，包括Framework, AIDL, C++多方面的实战案例代码(The sample code of binder)