android - Why the service is not getting stop? -


hi blinking flashlight on incoming call , able using code problem flashlight not getting stopped when call attended or cut trying stop service every way flashlight doesnot stops untill loop completed in receiver class...

intent in = new intent(context, run.class);             if (state.equals(telephonymanager.extra_state_ringing)) {                 in.putextra("state", state);                 context.startservice(in);             } else if (state.equals(telephonymanager.extra_state_idle)) {                 // toast.maketext(context, "idle", toast.length_long).show();                 context.stopservice(in);              } else if (state.equals(telephonymanager.extra_state_offhook)) {                 // toast.maketext(context, "offhook", toast.length_long).show();                  context.stopservice(in);             }

in service class...

camera cam;     parameters p;     string state;     string tag="runserve"; @override     protected void onhandleintent(intent intent) {         // todo auto-generated method stub         state = intent.getstringextra(telephonymanager.extra_state);         if(state.equals(telephonymanager.extra_state_ringing)) {         try {               cam = camera.open();             p = cam.getparameters();              string mystring = "0101010101010101010101010101010101010101010101010101010101010101010101010101010101010101010101011";             long blinkdelay = 50;               (int = 0; < mystring.length(); i++) { state=intent.getstringextra(telephonymanager.extra_state);                  if (state.equals(telephonymanager.extra_state_idle)){                      break;                                        }else if (state.equals(telephonymanager.extra_state_offhook)){                     break;                       }                                 if (mystring.charat(i) == '0') {                     p.setflashmode(parameters.flash_mode_torch);                     cam.setparameters(p);                 } else {                     p.setflashmode(parameters.flash_mode_off);                     cam.setparameters(p);                 }                      thread.sleep(blinkdelay);              }         }catch (exception e) {             // todo: handle exception             log.d(tag, "in catch1");             log.d(tag, e.tostring());      } }else if (state.equals(telephonymanager.extra_state_idle)){     try {         p.setflashmode(parameters.flash_mode_off);         cam.release();     } catch (exception e) {         // todo: handle exception         log.d(tag, e.tostring());     }      stopself();     }else if (state.equals(telephonymanager.extra_state_offhook)){         try {              p.setflashmode(parameters.flash_mode_off);             cam.release();         } catch (exception e) {             // todo: handle exception             log.d(tag, e.tostring());         }          stopself();     } }

i making app in can attend call through proximity sensor.this code has 2 intents first i.e working versions less android 4.0 , headsetunpluggedintent i.e working on android 4.1. there single way through calls can attended versions

public void onsensorchanged(sensorevent event) {         // todo auto-generated method stub         telephonymanager mgr = (telephonymanager) getsystemservice(context.telephony_service);         int callstate = mgr.getcallstate();           if(callstate==telephonymanager.call_state_ringing) {              callstate = mgr.getcallstate();             string x="0.0";             string y=(string.valueof(event.values[0]));                 if( x.equals(y)){                 //toast.maketext(getapplicationcontext(), "proxy", toast.length_short).show();                 try{                      intent = new intent(intent.action_media_button);                      i.putextra(intent.extra_key_event,new keyevent(keyevent.action_up,keyevent.keycode_headsethook));                     sendorderedbroadcast(i, "android.permission.call_privileged");                      intent headsetunpluggedintent = new intent(intent.action_headset_plug);                     headsetunpluggedintent.addflags(intent.flag_receiver_registered_only);                     headsetunpluggedintent.putextra("state", 0);                     headsetunpluggedintent.putextra("name", "headset");                     sendorderedbroadcast(headsetunpluggedintent, null);                     if(callstate==telephonymanager.call_state_offhook){                         headsetunpluggedintent=null;                         i=null;                     }else if(callstate==telephonymanager.call_state_idle){                         headsetunpluggedintent=null;                         i=null;                     }                  }catch(exception e){                     log.d(tag, e.tostring());                 }                 }

several points here :

  • in loop, it's useless check value of state have checked in if condition. state string (i.e.immutable), it's value not going change.

  • you need get, each iteration, current state of call, using telephonymanager#getcallstate(). (not tested) :

    telephonymanager mgr = getsystemservice(context.telephony_service); int callstate = mgr.getcallstate(); if (callstate != telephonymanager.call_state_ringing )     break;

  • you should not attempt stop intentservice, stops when work done (that when onhandleintent returns). also, intentservice javadoc states should not call stopself().


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