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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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Resource Base
Table of contents

Parameter reference - Advanced Settings parameters

The following parameters are advanced parameters for special usages. These parameters can be uploaded via method updateAdvancedSettingsFromFile and updateAdvancedSettingsFromString.

Parameter Name Type Description
focalLength float Set the fixed focal length.
autoFocusInterval int Set the time interval of the auto focus.
autoFocusTerminateTime int Set the minimum terminate time of auto focus.
sensorControlSensitivity int Set the sensitivity of the mobile sensor.

focalLength

Set the fixed focal length with a float value. When this parameter is configured, the other focus methods and parameters will be disbaled and the focal length will be fixed. Users can reset the focalLength to -1 to disable the fixed focus settings. The closer to the 0, the further the focalLength will be.

Default Value

-1

Range

Android: -1 or float value between 0 and 10.
iOS: -1 or float value between 0 and 1.

autoFocusInterval

Set the time interval of the auto-focus with an int value.

Default Value

The default focus interval is 3000 milliseconds which means the camera will focus once for every 3 seconds.

Range

At least 0 and no maximum limit.

autoFocusTerminateTime

The minimum termination time of the auto-focus with an int value.

Default Value

The default terminates time is 3000 milliseconds which means the camera will never focus for another time with in 500 miliseconds.

Range

At least 0 and no maximum limit.

sensorControlSensitivity

Set the sensitivity of the mobile sensor with an int value. A lower input value results in a higher sensitivity.

Default Value

50

Range

At least 0 and no maximum limit.

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