bx_btprinter 0.0.4

bx_btprinter: ^0.0.4 copied to clipboard

example/lib/main.dart

import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'webview.dart';
import 'package:bx_btprinter/btprinter.dart';
import 'package:flutter_dotenv/flutter_dotenv.dart';

Future<void> main() async{
  await dotenv.load(fileName: '.env');
  WidgetsFlutterBinding.ensureInitialized();
  runApp(MyApp());
}

class MyApp extends StatefulWidget {
  @override
  _MyAppState createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  final _btprinterPlugin = Btprinter();//플러그인 호출
  final GlobalKey<ScaffoldState> _scaffoldKey =
  GlobalKey<ScaffoldState>(); // Scaffold의 key

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

    initBle();// 블루투스 연결 
  }
  void initBle() async {
    // Request BLE permissions from MainActivity
    await _getBle();
  }

  Future<void> _getBle() async {
    String? value;
    try {
      // value = await platform.invokeMethod('getBle');
      value = await _btprinterPlugin.getBtPermission();
    } on PlatformException catch (e) {
      value = 'native code error: ${e.message}';
    }
    //print(value);
    //_showSnackBar(value!, value == "success" ? true : false);
  }

  // void _showSnackBar(String message, bool isSuccess) {
  //   final snackBar = SnackBar(
  //     content: Text(message),
  //     duration: const Duration(seconds: 5),
  //     behavior: SnackBarBehavior.floating,
  //     shape: const StadiumBorder(),
  //     backgroundColor: Colors.blue,
  //   );

  //   final errSnackBar = SnackBar(
  //     content: Text(message),
  //     duration: const Duration(seconds: 5),
  //     behavior: SnackBarBehavior.floating,
  //     shape: const StadiumBorder(),
  //     backgroundColor: Colors.red,
  //   );

  //   if (isSuccess) {
  //     ScaffoldMessenger.of(_scaffoldKey.currentContext!).showSnackBar(snackBar);
  //   } else {
  //     ScaffoldMessenger.of(_scaffoldKey.currentContext!)
  //         .showSnackBar(errSnackBar);
  //   }
  // }

  @override
  Widget build(BuildContext context) {
    SystemChrome.setEnabledSystemUIMode(SystemUiMode.immersive);//풀스크린 설정, 화면 로테이션 없음
    
    return MaterialApp(
      debugShowCheckedModeBanner: false,
      home: Scaffold(
        backgroundColor: Colors.white, // 배경을 흰색으로 설정
        body: WebViewContainer(),
      ),
    );
  }
}