getAuthMessage method
@detail api @author liuyang.bd @brief Get authorization messages from the Effect SDK for the online license. @return Authorization message string address, if get failed will return nullptr. @note - You must get an online license for the Effect SDK before using the CV functions. - After getting authorization messages with this API, implement the code of getting the online license with Online License Guide. Then call initCVResource{@link #IVideoEffect#initCVResource} to validate the license. After that, you can use the CV function.
Implementation
FutureOr<String> getAuthMessage() async {
return await nativeCall('getAuthMessage', []);
}