????????????μ???
????Google??Optimizing Downloads for Efficient Network Access???????????Radio State Machine?????.


????mobile radio state machine

???????????????????????? ??Radio Standby?????????磬 ????????????????????飬 ????????????app?????????(?????????????: ???RRC???????????)?? ?????Radio Full Power?У? ??Standby??Full Power????????????磬 Full Power????????к?5s????Radio Low Power?? ????????12s?????Standby. ???????????????????????????????磬 ??????????? ????????????Full Power?1???5s?? ??Low Power?1???12s?? ?????????????. ??????????????￡? ??????????????????? ????????????????? ??????????????????.
?????????????????????????? ???????????10?????? ??????????????????? ?????????????????????????? ?????????????????
????????????????????
?????????????????????demo?? ?????????Apache??Mina?? ???????????
????Mina
???????????????? ??????Щ?????????飬 ???????????? ??????????????????????.
?????????Android??????????????????? ??????filter?????? ?????????????? ?????filter?????? д??IoFilter????±???????. ????User Guide??????????д???. ???????IoSessionConfig??д????????????????????.
????С???????????Socket
????????????????????????????????? ??socket??д???????÷?????? ?????socket??????????? ??????????????????????? ??????????????????? ????????????????????????????. ????app???????? ???????????????????????????? ???????????????????????.
???????????????Android??????????wifi????? ??????WifiLock?? WakeLock????????? ????????????. ???????????С????????app???и??????????????????????? ?????????? ????????????? ???????????????????? ????????Mina??IO????kill?????????? ??DDMS???????????????. ??????? ?????Socket?????????? ?????????? ????????????????1??????????? ??????????.
????С???????????bug
???????????????????? ??????????????????????????????? ????demo app???????????????????? ???????????? ???????С????????????bug?? ????????С????????????з??????·?????????? ?????????????·???????????????????? ??????app????????????? ?????????? ?????????.
????????????10s?????????? ??????????? ???????????????? ??????????????socket????? ????????MIUI??bug.
???????????????? MIUI?????????????? ?????bug. ????????????С?????????????????????? ???bug??????????????: ????????????????????? ????????????ú???.
???????????????????????С???????Ц?? ??????????????? ????????α?С?????.
?????????м?????????
????RRC????????? ????? ????Standby????????????????.