Reports the approximate percentage of operation completed and delivers the warnings that occurred during processing. Allows you to cancel processing.
Note: This method is a part of an interface which is available only in the extended version of the library.
This method is to be implemented on the client side, which may include a progress indicator and/or a message to the user about the warnings.
boolean onProgress( int percentage, Warning warning )
The approximate percentage of the work currently done. This parameter is in the range from 0 to 100.
The warning which occurred, if any; represented by a constant of the Warning enumeration.
The method should return true if you wish to terminate the current operation, false otherwise.