flutter_ble_reader 0.0.1

Based on ble

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_plugin/flutter_blue.dart';
import 'package:flutter_plugin/scan_result_model.dart';
import 'package:flutter_plugin/scanning_device.dart';

void main() => runApp(const MyApp());

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: FlutterBlueApp(homeScreenWidget: const ScanScreen(),),
    );
  }
}

class ScanScreen extends StatefulWidget {
  const ScanScreen({Key? key}) : super(key: key);

  @override
  State<ScanScreen> createState() => _ScanScreenState();
}

class _ScanScreenState extends State<ScanScreen> {
  final FlutterBluePlugin _bluetoothPlugin = FlutterBluePlugin();
  List<ScanResultModel> _scanResults = [];
  bool _isScanning = false;

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

    _bluetoothPlugin.scanResults.listen((results) {
      setState(() {
        _scanResults = results;
      });
    });

    _bluetoothPlugin.isScanning.listen((state) {
      setState(() {
        _isScanning = state;
      });
    });

    startScan();
  }

  Future<void> startScan() async {
    await _bluetoothPlugin.startScan();
    Future.delayed(const Duration(seconds: 5), () async {
      await stopScan();
    });
  }

  Future<void> stopScan() async {
    await _bluetoothPlugin.stopScan();
  }

  @override
  void dispose() {
    _bluetoothPlugin.dispose();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text("Bluetooth Scan")),
      body: Column(
        children: [
          Text(_isScanning ? "Scanning..." : "Scan Stopped"),
          Expanded(
            child: ListView.builder(
              itemCount: _scanResults.length,
              itemBuilder: (context, index) {
                return ListTile(
                  title: Text(_scanResults[index].device.name),
                  subtitle: Text(_scanResults[index].device.id.toString()),
                );
              },
            ),
          ),
          ElevatedButton(
            onPressed: _isScanning ? stopScan : startScan,
            child: Text(_isScanning ? "Stop Scan" : "Start Scan"),
          ),
        ],
      ),
    );
  }
}