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BARCODE READER SDK DEMO

Explore the flexibe barcode reading settings to optimize for your specific usage scenario.

WEB TWAIN SDK DEMO

Try the most popular web scanner features: scan images, import local images and PDF files, edit, save to local, upload to database, and etc.

BARCODE READER JAVASCRIPT DEMO

Transform any camera-equipped devices into real-time, browser-based barcode and QR code scanners.

MRZ SCANNER WEB DEMO

Detects the machine-readable zone of a passport, scans the text, and parses into human-readable data.

APP STORE DEMOS

BARCODE READER SDK FOR IOS

BARCODE READER SDK FOR ANDROID

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Table of contents

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ScanSettings

interface ScanSettings

  • intervalTime?: number

    Scan interval used to allow the library to release the CPU periodically. Measured in ms. The default value is 0.

  • duplicateForgetTime?: number

    Ignore duplicated results found in the specified time period. Measured in ms. The default value is 3000, the maximum is 10000.

  • whenToPlaySoundforSuccessfulRead?: string

    Sets when to play sound on barcode recognition (user input is required on iOS or Chrome for any sound to play). Allowed values are

    • never : never play sound, the default value;
    • frame : play sound when one or multiple barcodes are found on a frame;
    • unique : play sound when a unique barcode is found (if multiple unique barcodes are found on the same frame, play only once).
  • soundOnSuccessfullRead?: string

    Specifies the sound to play on barcode recognition. If not specified, the default one is used.

  • whenToVibrateforSuccessfulRead?: string

    Sets when to vibrate on barcode recognition (user input is required on iOS or Chrome for the vibration). Allowed values are

    • never: never vibrate, the default value;
    • frame: vibrate when one or multiple barcodes are found on a frame;
    • unique: vibrate when a unique barcode is found (if multiple unique barcodes are found on the same frame, vibrate only once).
  • vibrateDuration?: number

    Returns or sets how long the vibration lasts in milliseconds. The default value is 300 .

let scanSettings = await scanner.getScanSettings();
scanSettings.intervalTime = 100; // 100ms
scanSettings.whenToPlaySoundforSuccessfulRead = "never";
scanSettings.whenToVibrateforSuccessfulRead = "never";
scanSettings.duplicateForgetTime = 3000; // 3s
await scanner.updateScanSettings(scanSettings);
  • captureAndDecodeInParallel?: boolean

    Returns or sets whether to capture the next frame while the previous frame is being decoded to save time. The default value is true.

  • autoZoom?: boolean

    Returns or sets whether to automatically zoom in on the video if the barcode appears too small in the video feed and fails to be read. This feature requires a intermediate_results module license. The default value is false.

  • autoFocus?: boolean

    Returns or sets whether to automatically focus on the video when a barcode is found but fails to be read. This feature requires a intermediate_results module license. The default value is false.

  • autoSuggestTip? boolean

    Returns or sets whether to automatically suggest Tip messages. This feature requires a intermediate_results module license. The default value is false.

This page is compatible for:

Version 7.5.0

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