?? ??????????:21?????APP?SDK?
????:1???????:??????
2??????????????
3?????????????
4??????
5???????????
?9????29???????? ????,??APP(SDK)????????????????:
?????,????????????????«???????»«???»«??»«??»??????????????????,??????????????APP????????????,??,??21???????????????????APP??SDK?(??),????
????APP??SDK??,?????,?????????????????
?????:?APP(SDK)?????????? ?????????:????????????