ble_controller 0.0.3

This is a Bluetooth Plugin.

example/lib/main.dart

import 'dart:ffi';

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

import 'package:flutter/services.dart';
import 'package:ble_controller/ble_controller.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final _bleControllerPlugin = BleController();
  List<List> scannedDeviceInfo = List<List>.empty(growable: true);
  final serviceUUID = "00000a60-0000-1000-8000-00805f9b34fb";
  final charWriteUUID = "00000a66-0000-1000-8000-00805f9b34fb";
  final charNotifyUUID = "00000a67-0000-1000-8000-00805f9b34fb";
  final desUUID = "00002902-0000-1000-8000-00805f9b34fb";
  var connectReturnVal = false;
  var sendDataValue = "";


  @override
  void initState() {
    super.initState();
    _bleControllerPlugin.setServiceUUID(serviceUUID);
    _bleControllerPlugin.setCharacteristicUUID(charNotifyUUID);
    _bleControllerPlugin.setDescriptionUUID(desUUID);
  }

  Future<void> initPlatformState() async {
    var platformVersion;
    try {
      platformVersion = await _bleControllerPlugin.getPlatformVersion() ??
          'Unknown platform version';
    } on PlatformException {
      platformVersion = 'Failed to get platform version.';
    }

    if (!mounted) return;
  }

  void startScan() {
    _bleControllerPlugin.getScanStream().asBroadcastStream().listen((deviceInfo) {
      setState(() {

        scannedDeviceInfo.add(deviceInfo);
        print("${deviceInfo[0]} 이름");
      });
    });
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          title: const Text('Plugin example app'),
        ),
        body: Center(
          child: Column(
            children: [
              Expanded(
                child: ListView.separated(
                  separatorBuilder: (context, index) {
                    return Divider(color: Colors.black);
                  },
                  itemBuilder: (BuildContext ctx, int index) {
                    return ListTile(
                      title: Text(
                        scannedDeviceInfo[index][0],
                      ),
                      onTap: () {
                        _bleControllerPlugin.connect(scannedDeviceInfo[index][1]).then((value) {
                          this.setState(() {
                            connectReturnVal = value!;
                          });

                        });
                      },
                    );
                  },
                  itemCount: scannedDeviceInfo.length,
                ),
              ),
              OutlinedButton(onPressed: () {
                startScan();
              }, child: Text('Scan 테스트')),
              Text(' connect 리턴값: $connectReturnVal'),

              Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: [
                  OutlinedButton(onPressed: () {
                    _bleControllerPlugin.sendData('Test').then((value) {
                      this.setState(() {
                        sendDataValue = value.toString();
                      });
                    });
                  }, child: Text('Send Data 테스트')),
                  Text('  리턴값: $sendDataValue')
                ],
              ),

              OutlinedButton(onPressed: () {
                _bleControllerPlugin.getNotifyStream().asBroadcastStream().listen((event) {
                  print(event.toString());
                });
              }, child: Text('setNotify 테스트')),
            ],
          ),
        ),
      ),
    );
  }
}