well i am answering my own question again. I figured out a working
solution, for those who are interested, see

http://bend-ing.blogspot.com/2008/11/properly-handle-progress-dialog-in.html

On Nov 4, 9:52 am, zl25drexel <[EMAIL PROTECTED]> wrote:
> Thanks for your reply, any example codes?
>
> On Nov 3, 8:28 pm, Greg <[EMAIL PROTECTED]> wrote:
>
> > When you change orientation your Activity is destroyed and then re-
> > created.  When you re-create the dialog view object that was sent to
> > the background process is no longer valid, thus the error.
>
> > There are probably several ways to handle this but the first that
> > comes to my mind is:
>
> > 1) The background thread should not be trying to manipulate views
> > directly.  Have it send a 'cancel' message to a handler in one of your
> > UI classes (like the main activity).  The UI class can then take the
> > appropriate action to cancel the dialog.
>
> > 2) If orientation can change while you have the dialog up (which it
> > can), then you need to save that state when the activity is stopped
> > and have your restart handler take care of recreating the dialog and
> > displaying it when the activity is restarted (after orientation
> > change).
>
> > Your message handler should then take the cancel message from the
> > background thread and dismiss the dialog if it exists.
>
> > Hope this helps,
>
> > Greg
--~--~---------~--~----~------------~-------~--~----~
You received this message because you are subscribed to the Google
Groups "Android Developers" group.
To post to this group, send email to android-developers@googlegroups.com
To unsubscribe from this group, send email to
[EMAIL PROTECTED]
For more options, visit this group at
http://groups.google.com/group/android-developers?hl=en
-~----------~----~----~----~------~----~------~--~---

Reply via email to