Ionic send local notifications while app close

@aligassan wrote:

My app is content on flight schedule and every thing working fine . i have put button , that button when user click on he will receive local notifications about flight status he want . l used to cordova plugin local notifications and Background mode . l use Background mode plugin to keep my app perform infinite background execution to check flight status then send local notification to user . l used if expression to check flight status if arrived push notification if not keep looping . Even l used set Interval to keep data reloading to check flight status . All those steps i did i didn’t get any notification even though if status of flight is arrived

full code

   export class FlightserachdetailsPage implements OnInit {


      public flight: any
      public myFlag = true;

      callsign = null
      airport = null
      status = null
      aircraft = null
      airline = null
      time = null
      logo = null
      id: any
      myStatus: boolean;

      constructor(private http: HTTP, public loadingController: LoadingController,
        private nav: NavController, private activatedRoute: ActivatedRoute, private backgroundMode: BackgroundMode
        , private localNotifications: LocalNotifications, public alertController: AlertController) {

        this.activatedRoute.params.subscribe((params) => {
          this.callsign = params['callsign'];
          this.airport = params['airport'];
          this.time = params['time'];
          this.aircraft = params['aircraft'];
          this.status = params['status'];
          this.airline = params['airline'];
          this.logo = params['logo'];
          this.id = params['id'];

          if (this.status == "landed") {
            this.myFlag = true
            console.log(this.myFlag)
          } else {
            this.myFlag = false
          }
          if (this.status == "estimated") {
            this.myStatus = true
            console.log(this.myFlag)
          } else {
            this.myStatus = false
          }


        });


        this.backgroundMode.enable()

      }


      ngOnInit() {


      }

///Alert confirm to receive notification   

      async RecNotifi() {

        const alert = await this.alertController.create({
          header: 'Confirm!',
          message: 'Are you sure you do want receive notification about flight ' + this.callsign,
          buttons: [
            {
              text: 'Cancel',
              role: 'cancel',
              cssClass: 'secondary',
              handler: (blah) => {
                console.log('Confirm Cancel: blah');
              }
            }, {
              text: 'Okay',
              handler: () => {
                console.log('Confirm Okay');

                this.ActiveNotif()

              }
            }
          ]
        });

        await alert.present();

      }

//// execute to active code check for flight status  

      async ActiveNotif() {


        this.http.get('xxxxxxxxxxxxxx.json?flightId=' + this.id + '', {}, {})
        .then(data => {

          let FlightDetails = JSON.parse(data.data).result.response.data.flight
          let identification = FlightDetails.identification.callsign
          let status = FlightDetails.status.generic.status.text

          if (status == "landed") {

            this.localNotifications.schedule({
              title: 'Your flight has arrived',
              text: 'Your flight '+identification + 'is arrived',
              foreground: true
          });

          }

          setInterval(()=> {
            this.ActiveNotif()
          }, 4000);  


          console.log('notifiction is running ',data.data)
        })

      }

      navigate(id, callsign, status) {
        this.nav.navigateForward(`/map-track-befor/${id}/${callsign}/${status}`);
      }


      handleImgError(ev: any, item: any) {
        let source = ev.srcElement;
        let imgSrc = `/no__logo.png`;
        console.log(imgSrc)
        source.src = imgSrc;

      }

    }

any idea please ?

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