Documentation
Table of contents

Thanks for downloading Dynamsoft Label Recognizer Package!

Your download will start shortly. If your download does not begin, click here to retry.

LicenseVerificationListener

You are viewing a history document page of Dynamsoft Label Recognizer iOS v2.2.20.

LicenseVerificationListener is the protocol to handle callback when message is output by license server.

@protocol LicenseVerificationListener
Method Description
licenseVerificationCallback The callback of license server. It contains error message when license verification is failed.

licenseVerificationCallback

-(void)licenseVerificationCallback:(BOOL)isSuccess error:(NSError * _Nullable)error;

Parameters

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

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.
       }
    }
    

This page is compatible for:

Version 7.5.0

Is this page helpful?

YesYes NoNo

In this article:

latest version

    • Latest version (3.2.30)
    • Version 3.x
      • Version 3.0.20
    • Version 2.x
      • Version 2.2.20
      • Version 2.0.0
    • Version 1.x
      • Version 1.2.1
      • Version 1.2.0
      • Version 1.0.0
    Change +
    © 2003–2024 Dynamsoft. All rights reserved.
    Privacy Statement / Site Map / Home / Purchase / Support