Thread problem - after getting thread information, not able to change the main screen

Hi all

I'm new BB please help me in this issue

It is that I have a few options in the menu when I click on the first menu. A thread calls its responsibility is to obtain the list of records and change the field with the new record to the screen, but after obtaining records from the internet, I try to extract the field on the Edit screen but application gives null pointer exception.

in simple words how to change the field of screens according to new information.

Thanks in advance

To expand a little more on this answer, only the user interface thread can access the user interface.

The API provides several methods to the user interface to perform this work, or to synchronize a different thread with the UI thread.

See UiApplication, invokeLater (), UiApplicaiton.invokeAndWait (), UiApplication.getEventLock)

Tags: BlackBerry Developers

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