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 the background process is no longer valid, thus the error.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