flutter_scankit 1.2.4

A scan code Flutter plugin, which is a Flutter package for huawei scanning SDK.

example/lib/main.dart

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

import 'package:flutter/services.dart';
import 'package:flutter_easy_permission/constants.dart';
import 'package:flutter_easy_permission/easy_permissions.dart';
import 'package:flutter_scankit/flutter_scankit.dart';


import 'customized_view.dart';



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

class MyApp extends StatelessWidget {

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
          appBar: AppBar(
            title: const Text('ScanKit Example'),
          ),
          body: Home()
      ),
    );
  }
}

const _permissions = const [
  Permissions.READ_EXTERNAL_STORAGE,
  Permissions.CAMERA
];

const _permissionGroup = const [
  PermissionGroup.Camera,
  PermissionGroup.Photos
];

class Home extends StatefulWidget {
  @override
  _HomeState createState() => _HomeState();
}

class _HomeState extends State<Home> {
  late bool isCustom;
  late FlutterScankit scanKit;

  String code = "";

  @override
  void initState() {
    super.initState();
    scanKit = FlutterScankit();
    scanKit.addResultListen((val) {
      debugPrint("scanning result:$val");
      setState(() {
        code = val;
      });
    });

    FlutterEasyPermission().addPermissionCallback(
        onGranted: (requestCode, perms,perm) {
          isCustom ? newPage(context) :startScan();
        },
        onDenied: (requestCode, perms,perm, isPermanent) {});
  }

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

  Future<void> startScan() async {
    try {
      await scanKit.startScan(scanTypes: [ScanTypes.ALL]);
    } on PlatformException {}
  }

  Future<void> newPage(BuildContext context) async {
    var code = await Navigator.of(context).push(MaterialPageRoute(
        builder: (BuildContext context) {
          return CustomizedView();
        }
    ));

    setState(() {
      this.code = code ?? "";
    });
  }

  @override
  Widget build(BuildContext context) {
    return Center(
      child: Column(
        mainAxisSize: MainAxisSize.min,
        children: [
          Text(code),
          SizedBox(height: 32,),
          ElevatedButton(
            child: Text("Scan code"),
            onPressed: () async {
              isCustom = false;
              if (!await FlutterEasyPermission.has(perms: _permissions,permsGroup: _permissionGroup)) {
                FlutterEasyPermission.request(perms: _permissions,permsGroup: _permissionGroup);
              } else {
                startScan();
              }
            },
          ),
          ElevatedButton(
            child: Text("Customized"),
            onPressed: () async {
              isCustom = true;
              if (!await FlutterEasyPermission.has(perms: _permissions,permsGroup: _permissionGroup)) {
                FlutterEasyPermission.request(perms: _permissions,permsGroup: _permissionGroup);
              } else {
                newPage(context);
              }
            },
          )
        ],
      ),
    );
  }
}