1. Android Radio Layer Interface

5. RIL Overview Android RIL stack

8. RILD internal structure

13. RIL daemon startup flow watch_table

14. eventLoop Event Name : s_wakeupfd_event Watch Fd : s_fdWakeupRead Persist : true Callback : processWakeupCallback Extra param : null It do nothing more than just read s_fdWakeupRead

15. Introduction to RIL Event timer_list linking list Store event related with time watch_table Max Size: 8 Store event related with fd ( socket , pipe , and device node)

17. Introduction to RIL Event(3) Time event

18. Introduction to RIL Event(4) add time event flow

19. Introduction to RIL Event(5) I/O event

20. Introduction to RIL Event(6) insert I/O event flow

21. Introduction to RIL Event(7) schedule and fire event

22. ril_event_loop

23. RIL_Register Event Name : s_listen_event Watch Fd : s_fdListen Persist : false Callback : listenCallback Extra param : null

24. Event listenCallback Event Name : s_commands_event Watch Fd : s_fdCommand Persist : 1 Callback : processCommandsCallback Extra param : RecordStream *p_rs

25. Event processCommandsCallback

26. processCommandBuffer

28. The structure of RequestInfo, CommandInfo

29. dispatchDial

30. RIL onRequest Handler flow

31. mainLoop

32. readerLoop

33. Event initializeCallback

35. Solicited request flow RILC RIL Mc39i rild RILSender RILReceiver sendResponse(p); rild Call Setup readerLoop Send Dial Event Fire Dial event at_send_command Fetch next event to fire RILJ

36. Generalization Solicited Reqeust

38. Unsolicited request flow RIL Mc39i RILC readerLoop sendResponse(p); RILReceiver rild RILJ

39. Generalization Unsolicited Request

55. android.provider.Settings.Secure.NameValueCache.getString()

73. Screenshots

74. Screenshots

75. Screenshots

76. Screenshots

77. Screenshots

78. RILJ Overview Connect to “rild” Handle solicited and unsolicited response Store solicited request that sent by mSender All request args. would be stored to Parcel object for holding solicited request code, EX: REQUEST_DIAL for sending response to the activity that solicits this request