HRQRCodeScanTool

Summary

HRQRCodeScanTool is a lightweight, high cohesion, low couplingpure, pure-Swift tool for QRcode scan.

Description

This tool uses AVFoundation based on Swift4.1 API. It improves the reusability of the code and make the code be easy to maintain and extend in ViewControllers. This tool support not only qrcode but also support .ean13 .ean8 .upce .code39 .code93 .code128 .code39Mod43. Don't run in simulator.

Example

Requirements

• Swift 4.1
• iOS 8.0+
• Xcode 9.3

Installation

CocoaPods(recommend):

HRQRCodeScanTool is available through CocoaPods. To install it, simply add the following lines to your Podfile:

platform :ios, '8.0'
use_frameworks!

pod 'HRQRCodeScanTool'

Then import header in your code

import HRQRCodeScanTool

Manually

1. Download and drop HRQRCodeScanTool.swift in your project.
2. Congratulations!

Usage example

Remember to add this key-value in your info.plist

<key>NSCameraUsageDescription</key>
<string>CameraUsageDescription</string>

CheckCameraAuthauthority

import AVFoundation

let status = AVCaptureDevice.authorizationStatus(for: .video)
if status != .authorized {
         AVCaptureDevice.requestAccess(for: .video) { (flag) in
    }
}

Inited from pure code ：

// in ViewController
HRQRCodeScanTool.shared.delegate  = self
HRQRCodeScanTool.shared.beginScanInView(view: view)
......
// scan result will call in  delegate methods 
func scanQRCodeFaild(error: String){
print(error)
}

func scanQRCodeSuccess(resultStrs: [String]){
print(resultStrs.first)
}

Customization Properties

property	default value	remark
open var isDrawQRCodeRect: Bool	true	是否描绘二维码边框 默认true
open var drawRectColor: UIColor	UIColor.red	二维码边框颜色 默认红色
open var drawRectLineWith: CGFloat	2	二维码边框线宽 默认2
open var isShowMask: Bool	true	是否展示黑色蒙版板层 默认开启
open var maskColor: UIColor	Black.alpha 0.5	蒙板层 默认黑色 alpha 0.5
open var centerWidth: CGFloat	200	中心非蒙板区域的宽
open var centerHeight: CGFloat	5.0	中心非蒙板区域的宽
open var centerPosition: CGPoint?	nil	中心非蒙板区域的中心点 默认Veiw的中心

Public Methods

open func beginScanInView(view: UIView)
open func setInterestRect(originRect: CGRect)
open func stopScan()

Mentions

If you use it under opaque navigation bars, the preview layer will move down the navigation bar height, so is open var centerPosition: CGPoint?.

Author

CoderHRXu Mail: xuhaoran416518@gmail.com

Blog: www.akpop.top Relevant article： https://www.jianshu.com/p/e16a4380d7b2

https://juejin.im/post/5ad9b34851882567361479aa

http://www.akpop.top/2018/04/20/Swift4QRCodeTool/

License

HRQRCodeScanTool is released under the MIT and Anti-996 license. See the LICENSE file for more info.