has no zero argument constructor继承抽象类，混淆时报错，添加-keep class * extends xxx {*;}xxx为继承的抽象类版权声明：本文为a785686918原创文章，遵循CC 4.0 BY-SA版权协议，转载请附上原文出处链接和本声明。原文链接：https://blog.csdn.net/a785686918/article/details/103454655