Customised Version of Cordova ZXing Plugin

References: https://github.com/zxing/zxing

https://github.com/journeyapps/zxing-android-embedded

https://github.com/marceloburegio/cordova-plugin-zxing

This library enables an inverted scan, enabling scan on dark background with white patterns.

Works only on Android devices.

Updated ZXing:Core to version 3.4.1

Barcode formats supported

1D product	1D industrial	2D
UPC-A	Code 39	QR Code
UPC-E	Code 93	Data Matrix
EAN-8	Code 128	Aztec
EAN-13	Codabar	PDF 417
UPC/EAN Extension 2/5	ITF	MaxiCode
		RSS-14
		RSS-Expanded

Installation

cordova plugin add cordova-plugin-qrscan

Check and request for Camera Permission

cordova.plugins.scanner.permission(onSuccess, onFailure)

Scan barcode

cordova.plugins.scanner.scan(params, onSuccess, onFailure)

Arguments:

• params: All parameters are optional:

  {
      'prompt_message':'Scan a barcode', // Change the info message. A blank message ('') will show a default message
      'orientation_locked':true, // Lock the orientation screen
      'camera_id':0, // Choose the camera source
      'beep_enabled':true, // Enables a beep after the scan
      'scan_type':'normal', // Types of scan mode: normal = default black with white background / inverted = white bars on dark background / mixed = normal and inverted modes
      'barcode_formats':[
          'QR_CODE',
          'CODE_39',
          'CODE_128'], // Put a list of formats that the scanner will find. A blank list ([]) will enable scan of all barcode types
      'extras':{} // Additional extra parameters. See [ZXing Journey Apps][1] IntentIntegrator and Intents for more details
  }

• onSuccess: function (s) {...} Callback for successful scan.

• onFailure: function (s) {...} Callback for cancelled scan or error.

Return:

• success('Permission is granted') Acquire permission success

• success('Permission already granted') Permission already acquired

• error('Permission not granted') If user denied permission

• success('scanned bar code') Successful scan with value of scanned code

• error('Scan Cancelled') If user cancelled the scan (with back button etc)

• error('misc error message') Misc failure