该demo实现了获取手机通讯录，并把通讯录转换成二维码。并加入了应用主题切换的功能。-This demo has realized the phone directory, and convert the address book to qr code. Application and joined the theme switch function.

ZBarSDK是一个开源的SDK，可从这里下载到源码，该SDK实现了识别和读取各种条形码，包括EAN-13/UPC-A, UPC-E, EAN-8, Code 128, Code 39, Interleaved 2 of 5 和 QR Code。-ZBarSDK is an open source SDK, can be downloaded from here to the source, the SDK to achieve the recognition and reading all k

支持生成二维码，扫描二维码功能,最少支持苹果ios7.0，二维码的中间还可以放置头像-Support to generate the qr code, scan qr code function, minimum support apple ios7.0, qr code still can be placed in the middle of the picture

实现二维码扫描，生成二维码生成器，demo(Create qr code scanning, qr code generator, the demo)