1/APK反编译详细步骤
https://blog.youkuaiyun.com/s13383754499/article/details/78914592
2/修改 smali
https://blog.youkuaiyun.com/sxk874890728/article/details/80486223
3/重新打包 1
https://blog.youkuaiyun.com/huaxun66/article/details/52288969
4/重新打包 2
https://blog.youkuaiyun.com/dreamer2020/article/details/52761606