Start and stop FloBle reader

[RoseanneParticipant]

I have a screen with a few buttons. I only want the reader to start detecting tags on selection of a button. That button will then call a function and stop the reader thereafter.

When I initialise flomioSDK in my viewDidLoad, it starts reading straight away i.e. before I call startReaders(). Is there any way to avoid this?

I need to be able to toggle on and off the polling and detection of tags depending on user button press

import FlomioSDKPro
class TestVC: UIViewController {
    
    lazy var flomioSDK  : FmSessionManager = FmSessionManager()
    lazy var defaultConfiguration: FmConfiguration = FmConfiguration()

    override func viewDidLoad() {
        super.viewDidLoad()
        defaultConfiguration = FmConfiguration()
        defaultConfiguration.deviceType = .kFloBlePlus
        defaultConfiguration.transmitPower = .highPower
        defaultConfiguration.scanSound = true
        defaultConfiguration.scanPeriod = 1000
        defaultConfiguration.powerOperation = .autoPollingControl
        defaultConfiguration.allowMultiConnect = false
        
        
        self.flomioSDK = FmSessionManager.init(configuration: self.defaultConfiguration)
        self.flomioSDK.delegate = self
    }

    @IBAction func startScan(_ sender: UIButton) {
         self.flomioSDK.startReaders()
    }

    func stopScan(){
         //stuff and things, network call

       self.flomioSDK.stopReaders()
    } 
}

• This topic was modified 6 years, 4 months ago by  Roseanne.

[ScottKeymaster]

Hi Roseanne,

There’s no default way to do this. You will have to call stopReaders when the CommunicationStatus is kScanning the first time.

[RoseanneParticipant]

Hi Scott,

I added the following to the FMSessionManagerDelegate:

func didChange(_ status: CommunicationStatus, fromDevice device: String!) {
        switch status {
        case .scanning:
            if first {
                flomioSDK.stopReaders()
                first = false
            }
        default:
            break
        }
    }

and this had no effect i.e. The findtag is still called before I press the button to call startReaders, is there a different delegate, I need to add this method into?

[ScottKeymaster]

Ok, that was worth trying. Maybe try delaying the stopReader call until the connection event settles. Dealing with the as asynchronous nature of the reader can sometimes cause issues like this.

Let me know if that works for you, wish there was a cleaner solution I could recommend.

[Author]

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