Bluetooth State "Unknown" after Navigator.pop

[KatayR]

My app has a login page. After the login, I push your example connection page for now.

When I login for the first time, everything works fine. But if I logout and then use Navigator.pop or push, login again and come back to connection page, then bluetooth state gets stuck at "Unknown". Only fix is to restart the app.

Dispose etc doesnt work

[rohitsangwan01]

@KatayR BluetoothState will update only if there is any change in BluetoothRaio ( on/off ) etc
but you can also call

WinBle.getBluetoothState().then((BleState state){
  // Here get BleState
});

WinBle.bleState.listen((BleState state) {
    // Set listener for further updates
});

[KatayR]

@KatayR BluetoothState will update only if there is any change in BluetoothRaio ( on/off ) etc but you can also call

WinBle.getBluetoothState().then((BleState state){
  // Here get BleState
});

WinBle.bleState.listen((BleState state) {
    // Set listener for further updates
});

Somehow it doesnt get completed. Print state in here never prints:

  void getLatestBluetoothState() async {
    WinBle.getBluetoothState().then((BleState state) {
      print("new Bluetooth State : " + state.toString());
      setState(() {
        bleState = state;
      });
    });
  }

  @override
  void initState() {
    super.initState();
    getLatestBluetoothState();
...
...

[rohitsangwan01]

@KatayR is it completing for the first time, or it never worked for you ?

[KatayR]

@KatayR is it completing for the first time, or it never worked for you ?

Never works

[rohitsangwan01]

@KatayR can you please try in example app

[KatayR]

@KatayR can you please try in example app

It's already almost completely same as example app tho. I only renamed your MyApp widget in main.dart to ConnectionSetupPage widget and put a login page before it.

So main.dart > LoginPage > ConnectionSetupPage(your main.dart codes and a logout button)

[rohitsangwan01]

@KatayR ok its hard to tell why your app is not getting bluetooth state, but you can try to toggle bluetooth on/off after running app to see if bleState listener getting any updates
Also enable logs to see if you are getting bluetooth updates in logs