本手册通过指导将Linux系统上一些优秀的开源打印工具（如GhostScript、foo2zjs等）移植到Android平台，结合Android应用层的API接口（如IText、Canvas、PDFDocument等），实现Android设备控制USB打印机进行打印的功能。
License: GNU General Public License v3.0
本手册通过指导将Linux系统上一些优秀的开源打印工具（如GhostScript、foo2zjs等）移植到Android平台，结合Android应用层的API接口（如IText、Canvas、PDFDocument等），实现Android设备控制USB打印机进行打印的功能。
提供了实现USB打印机打印的Android APP demo 见android_usb_printer_demo
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