Web Demos

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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Documentation
Table of contents

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DynamsoftLicenseManager

The DynamsoftLicenseManager class unlocks the Dynamsoft SDK with a purchased full license or a provided trial license to allow you to develop your application.

@interface DynamsoftLicenseManager

Methods

Method Description
initLicense Read the license key and activate the SDK.

initLicense

Read the license key and activate the SDK.

+ (void)initLicense:(NSString* _Nonnull)license verificationDelegate:(id _Nullable)connectionDelegate;

Parameters

[in] license The license key.
[in] verificationDelegate The listener that handles callback when the license server returns.

Code Snippet

  • Objective-C
  • Swift
  1. @interface AppDelegate ()<LicenseVerificationListener>
    ...
    - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
       ...
       [DynamsoftLicenseManager initLicense:@"DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9" verificationDelegate:self];
    }
    - (void)licenseVerificationCallback:(bool)isSuccess error:(NSError *)error {
       // Add code to do when license server returns.
    }
    
  2. class AppDelegate: UIResponder, UIApplicationDelegate, LicenseVerificationListener {
       ...
       DynamsoftLicenseManager.initLicense("DLS2eyJvcmdhbml6YXRpb25JRCI6IjIwMDAwMSJ9", verificationDelegate: self)
       ...
       func licenseVerificationCallback(_ isSuccess: Bool, error: Error?) {
          // Add code to do when license server returns.
       }
    }
    

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