aug6_doesntPrintScanRes

import 'package:flutter/material.dart';
import 'package:flutter_blue/flutter_blue.dart';

import './SelectBondedDevicePage.dart';

void main() => runApp(const MaterialApp(
  debugShowCheckedModeBanner: false,
  home: Home(),
));

class Home extends StatelessWidget {
  const Home({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    FlutterBlue flutterBlue = FlutterBlue.instance;
    return Scaffold(


      appBar: AppBar(
        title: Wrap(
          direction: Axis.horizontal,
          crossAxisAlignment: WrapCrossAlignment.center,
          children: const <Widget>[
            Icon(
              Icons.bluetooth,
            ),
            Text(
              'My BLE',
            ),
          ],
        ),
        centerTitle: true,
        backgroundColor: Colors.white54,
      ),



      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.start,
          children: [
            Padding(
              padding: const EdgeInsets.all(15.0),
              child: ElevatedButton(


                onPressed: () async {

                  bool isOn = await flutterBlue.isOn;

                  if (isOn == true) {
                    ScaffoldMessenger.of(context).showSnackBar(
                        SnackBar(content: Text('bluetooth is ON')),
                    );

                    print('STARTED SCANNING');

                    flutterBlue.startScan(timeout: Duration(seconds: 10));

                    print('started scanning and maybe 10 seconds have passed');

                    var subscription = flutterBlue.scanResults.listen((results) {

                      print('INSIDE SCAN RESULTS');

                      for (ScanResult r in results) {
                        print('INSIDE FOR LOOP');
                        print('${r.device.name} found this and it works = ! rssi: ${r.rssi}');
                      }
                    });

                    print('It will STOP scanning now');

                    flutterBlue.stopScan();

                    print('STOPPED SCANNING');

                  } else if (isOn == false) {
                    ScaffoldMessenger.of(context).showSnackBar(
                         SnackBar(content: Text('bluetooth is OFF'))
                    );
                  }
                  flutterBlue.stopScan();
                },


                child: Text('Connect to paired device to chat'),
                style: ElevatedButton.styleFrom(
                  primary: Colors.grey,
                  padding: EdgeInsets.symmetric(horizontal: 30, vertical: 20),
                ),
              ),
            ),
          ],
        ),
      ),
      backgroundColor: Colors.grey[800],
    );
  }
}