Quick Apps

# QR Code Scan

QR code scan.

# Manifest Declaration

You need to declare the use of this API in the manifest's features member:

{"name": "system.barcode"}

# Module Import

Before using this service in a component, you need to import the module in the script section of the UX document.

import barcode from '@system.barcode'

Or

let barcode = require("@system.barcode")

# Methods

This service has the following methods:

# scan({success,fail,cancel,complete})

This method scans a QR code using the camera of the device.

# Arguments

This method requires an object with the following attributes:

  • success (function(res)). Optional callback function corresponding to the successful execution.
    • res.result is a string with the parsed content.
  • fail (function(res, code)). Optional callback function corresponding to the failed execution.
    • code is 201 when the user rejects the request for permission to use the camera.
  • cancel (function()). Optional callback function corresponding to an execution canceled by the user.
  • complete (function()). Optional callback function corresponding to the end of the execution.

Example:

barcode.scan({ 
  success:function(data){ 
    console.log("handling success: " + data.result); 
  }, 
  fail: function(data, code) { 
    console.log("handling fail, code=" + code); 
  } 
})

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