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 the background process is no longer valid, thus the error.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
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