flutter_scan_view 0.0.1

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  • Changelog
  • Example
  • Installing
  • 54

flutter_scan_view #

A scan code view that can be embedded in the Widget Tree on iOS and Android..

Installation #

First, add flutter_scan_view as a dependency in your pubspec.yaml file.

iOS #

Swift version:s.swift_version = '5'

Add the following keys to your Info.plist file, located in <project root>/ios/Runner/Info.plist:

  • NSCameraUsageDescription - describe why your app needs access to the camera. This is called Privacy - Camera Usage Description in the visual editor.

Android #

On Android 6 or higher, you need to request camera permissions first. you can use permission_handler to get permission.

Usage #

First import the file

import 'package:flutter_scan_view/flutter_scan_view.dart';

Define a Controller

FlutterScanViewController _controller;

Add FlutterScanView to your Widget tree, and save the controller

FlutterScanView(
                width: 283,
                height: 120,
                onCreated: (controller) {
                  _controller = controller;
                },
              ),

You can call _controller.startScan() to start scanning and get results

 _controller.startScan().then((text) {
                          print("Scan Result:${text}");
                        }).catchError((_) {});

Example #

import 'package:flutter/material.dart';
import 'package:flutter_scan_view/flutter_scan_view.dart';
import 'package:flutter/cupertino.dart';

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

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

class _MyAppState extends State<MyApp> {
  FlutterScanViewController _controller;
  String _code = "";

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

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

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
          appBar: AppBar(
            title: const Text('Plugin example app'),
          ),
          body: Container(
              child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            crossAxisAlignment: CrossAxisAlignment.center,
            children: <Widget>[
              FlutterScanView(
                width: 283,
                height: 120,
                onCreated: (controller) {
                  _controller = controller;
                },
              ),
              Padding(
                padding: const EdgeInsets.only(top: 30),
              ),
              Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: <Widget>[
                  CupertinoButton(
                      child: Text('Start Scan'),
                      onPressed: () {
                        _controller.startScan().then((text) {
                          print("Scan Result:${_code ?? ""}");
                          setState(() {
                            _code = text;
                          });
                        }).catchError((_) {});
                      }),
                  CupertinoButton(
                      child: Text('Stop Scan'),
                      onPressed: () {
                        _controller.stopScan();
                      }),
                ],
              ),
              Padding(
                padding: const EdgeInsets.only(top: 30),
              ),
              Text("Scan Result:${_code ?? ""}")
            ],
          ))),
    );
  }
}

0.0.1 #

  • TODO: Describe initial release.

example/README.md

flutter_scan_view_example #

Demonstrates how to use the flutter_scan_view plugin.

Getting Started #

This project is a starting point for a Flutter application.

A few resources to get you started if this is your first Flutter project:

For help getting started with Flutter, view our online documentation, which offers tutorials, samples, guidance on mobile development, and a full API reference.

Use this package as a library

1. Depend on it

Add this to your package's pubspec.yaml file:


dependencies:
  flutter_scan_view: ^0.0.1

2. Install it

You can install packages from the command line:

with Flutter:


$ flutter pub get

Alternatively, your editor might support flutter pub get. Check the docs for your editor to learn more.

3. Import it

Now in your Dart code, you can use:


import 'package:flutter_scan_view/flutter_scan_view.dart';
  
Popularity:
Describes how popular the package is relative to other packages. [more]
21
Health:
Code health derived from static analysis. [more]
100
Maintenance:
Reflects how tidy and up-to-date the package is. [more]
70
Overall:
Weighted score of the above. [more]
54
Learn more about scoring.

We analyzed this package on Oct 21, 2019, and provided a score, details, and suggestions below. Analysis was completed with status completed using:

  • Dart: 2.5.1
  • pana: 0.12.21
  • Flutter: 1.9.1+hotfix.4

Platforms

Detected platforms: Flutter

References Flutter, and has no conflicting libraries.

Maintenance suggestions

The package description is too short. (-20 points)

Add more detail to the description field of pubspec.yaml. Use 60 to 180 characters to describe the package, what it does, and its target use case.

Package is pre-v0.1 release. (-10 points)

While nothing is inherently wrong with versions of 0.0.*, it might mean that the author is still experimenting with the general direction of the API.

Dependencies

Package Constraint Resolved Available
Direct dependencies
Dart SDK >=2.1.0 <3.0.0
flutter 0.0.0
Transitive dependencies
collection 1.14.11 1.14.12
meta 1.1.7
sky_engine 0.0.99
typed_data 1.1.6
vector_math 2.0.8
Dev dependencies
flutter_test