How to use the Java API to log event information on a BlackBerry to do code debugging

Code fragment:

Class GUID variable definition

Long GUID = 0x9c805919833654d6l;

Thing a, register, or the following code does not error, but does not record events

Eventlogger.register (GUID, "Lmlogger", eventlogger.viewer_string);

Logging Events
String eventdata = "' Installapp:filename";
Eventlogger.logevent (GUID, Eventdata.getbytes (), eventlogger.always_log);

Optional:

On the development PC, execute commands to clear the phone log

Javaloader-u ClearEventlog

Check the eventlog directly on the phone
Hold down the ALT key and press LGLG (all lowercase)

or export text to view on the computer

Javaloader.exe-u EventLog > Mylog.txt

See the event on the phone

Click on the event to view the details

Optional:

On the development PC, execute a command to view the phone log

Javaloader-u EventLog > A.txt

Reference: A good article, there is a picture of the truth
eventlogger:printf for BlackBerry
--using the EventLogger feature of the BlackBerry to record important events
Http://www.linux-mag.com/cache/7684/1.html