blinds_flutter/lib/utils_from_FBPExample/scan_result_tile.dart

import 'dart:async';

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

class ScanResultTile extends StatefulWidget {
  const ScanResultTile({super.key, required this.result, this.onTap});

  final ScanResult result;
  final VoidCallback? onTap;

  @override
  State<ScanResultTile> createState() => _ScanResultTileState();
}

class _ScanResultTileState extends State<ScanResultTile> {
  BluetoothConnectionState _connectionState = BluetoothConnectionState.disconnected;

  late StreamSubscription<BluetoothConnectionState> _connectionStateSubscription;

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

    _connectionStateSubscription = widget.result.device.connectionState.listen((state) {
      _connectionState = state;
      if (mounted) {
        setState(() {});
      }
    });
  }

  @override
  void dispose() {
    _connectionStateSubscription.cancel();
    super.dispose();
  }

  bool get isConnected {
    return _connectionState == BluetoothConnectionState.connected;
  }

  Widget _buildTitle(BuildContext context) {
      return Text(
        widget.result.advertisementData.advName,
        overflow: TextOverflow.ellipsis,
      );
  }

  @override
  Widget build(BuildContext context) {
    return Card(
      child: ListTile(
        title: _buildTitle(context),
        subtitle: Text(
          "Signal Strength (Less = farther): ${widget.result.rssi}",
          overflow: TextOverflow.ellipsis,
        ),
        trailing: Icon(Icons.arrow_forward_ios_rounded),
        onTap: widget.result.advertisementData.connectable ? widget.onTap : null,
      )
    );
  }
}