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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.


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


[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.

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Version 7.5.0

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