Could not find class 'com.google.zxing.MultiFormatWriter', referenced from method
在android上导入zxing.jar包,总是报错:Couldnotfindclass'com.google.zxing.MultiFormatWriter',referencedfrommethodcom.changyang.app.util.Encode2dUtil.creat2DCode后来找到了解决方法:在adt17的版本之前,导入第三方jar包时要建立一个lib目录,并addtobui