BackgroundProcesses.SpineClass.InitializeCallingInfoAsync C# (CSharp) Méthode

        public async void InitializeCallingInfoAsync()
        {
            MonitorCallState();

            //Get all phone lines (To detect dual SIM devices)
            var getPhoneLinesTask = GetPhoneLinesAsync();
            AllPhoneLines = await getPhoneLinesTask;

            //Get number of lines
            NoOfLines = AllPhoneLines.Count;

            //Get Default Phone Line
            var getDefaultLineTask = GetDefaultPhoneLineAsync();
            CurrentPhoneLine = await getDefaultLineTask;


        }

        private static async void TimerStarter()
        {
            await LocationAccesser();

            /*Message Sending Methods */
            if (!ApplicationData.Current.LocalSettings.Values.ContainsKey("FirstContactNumber"))
            {
                return;
            }
            _phonenumber = ApplicationData.Current.LocalSettings.Values["FirstContactNumber"] as string;
            MessageSender(_phonenumber);
            if (!ApplicationData.Current.LocalSettings.Values.ContainsKey("SecondContactNumber"))
            {
                return;
            }
            _phonenumber = ApplicationData.Current.LocalSettings.Values["SecondContactNumber"] as string;
            MessageSender(_phonenumber);
            if (!ApplicationData.Current.LocalSettings.Values.ContainsKey("ThirdContactNumber"))
            {
                return;
            }
            _phonenumber = ApplicationData.Current.LocalSettings.Values["ThirdContactNumber"] as string;
            MessageSender(_phonenumber);

            TwitterPoster();
            //FacebookPoster();
            if (!Windows.Foundation.Metadata.ApiInformation.IsTypePresent("Windows.Phone.UI.Input.HardwareButtons"))
            {
                return;
            }
            var spineClass = new SpineClass();

            spineClass.InitializeCallingInfoAsync();
        }