public override void ViewDidLoad()
        {
            base.ViewDidLoad();

            // Perform any additional setup after loading the view, typically from a nib.

            var sqlLite = SqlLiteHelper.GetConnection();

            var timer = new Timer
            {
                AutoReset = true,
                Interval  = 0.7 * 1000,
            };

            timer.Elapsed += OnTimerElapsed;
            timer.Start();

            btnStart.TouchDown += Start;
            btnStop.TouchDown  += Stop;

            btnStop.Enabled = false;
        }
 void Stop(object sender, EventArgs e)
 {
     btnStart.Enabled = true;
     SqlLiteHelper.StopCreatingRecords();
 }