Field.SetFocus causes no stack trace error

Hi guys,.

I have a custom GridFieldManager that stores mutlitple fields. I did a manual swap, i.e. to remove the index 1 and 2 fields and share their locations.  I need to remove the Manager before inserting the. This works very well for 2 fields and after this operation, I am able to set the focus, i.e. on which fields to index 2 except when I do the swap for the 2nd last and last operation. After that I moved the 2nd last field of the last clue, and I'm trying to set the focus on the field to the last index, I get an error no. Stack Trace and no other error message. Please help me for this problem.

In the method that you call it from? If you call setFocus() on a field before there was a screen, you get an exception. As mentioned above, 'no trace of the stack' is not your error. Catch a Throwable to get a stacktrace.

A way around this if you call setFocus() to a device that is not allowed, you can wrap in UiApplication.invokeLater ().

Tags: BlackBerry Developers

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