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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.

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BARCODE READER SDK FOR IOS

BARCODE READER SDK FOR ANDROID

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Resource Base
Table of contents

DCELicenseVerificationListener

Protocol for a delegate to handle callback when license verification message returned.

@protocol DCELicenseVerificationListener <NSObject>
Method Type Description
DCELicenseVerificationCallback required The callback of license server.

DCELicenseVerificationCallback

The callback of license server. Add the code in the callback function to react when the license server connection is successful or failed.

- (void)DCELicenseVerificationCallback:(bool)isSuccess error:(NSError * _Nullable)error;

Parameters

[in,out] isSuccess: Whether the license verification was successful.
[in,out] error: The error message from license server.

Code Snippet

  • Objective-C
  • Swift
  1. - (void)DCELicenseVerificationCallback:(bool)isSuccess error:(NSError * _Nullable)error
    {
       //TODO add your code for license verification
    }
    
  2. func dceLicenseVerificationCallback(_ isSuccess: bool, error: Error?){
       //TODO add your code for license verification
    }
    

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