android上使用ZXing识别条形码和二维码，代码简单易懂，相信能帮助读者迅速掌握相关的开发-the use of android and two-dimensional bar code ZXing identification code, the code easy to understand, that can help readers quickly master the relevant development

This object extends LuminanceSource around an array of YUV data returned the camera driver, with the option to crop to a rectangle within the full data. This can be used to exclude superfluous pixels around the perimeter