pspdfkit/com.pspdfkit.document.providers/DataProvider/getUid

getUid

@NonNull
abstract fun getUid(): String

Unique document identifier used in all caching processes in PSPDFKit. Must be equal or shorter than 50 chars. This method must be implemented for caching to work properly.

Return

Unique identifier of the provided document. Implementations may not return null or an exception will be thrown.