Thanks for the reply 2010/11/2 Dianne Hackborn <[email protected]>
> Ignoring everything else, you should do the work in an async task. 3 > seconds is a *LONG* time. Seriously, it's a really really long time. When > you are sitting there interacting with your phone and it sits there frozen > for 3 seconds, that's an eternity. > > Once you have that out of the way, it's just a matter of deciding what you > want to do in the UI during the time you don't have your final data to > display to the user. One approach is to just have a progress indicator > embedded in the UI that is shown while waiting for the data -- see for > example the music picker: > > > http://android.git.kernel.org/?p=platform/packages/apps/Music.git;a=blob;f=src/com/android/music/MusicPicker.java;h=c41746ddf2cbeb80e111d72139b42e8f01329c30;hb=HEAD#l565 > > > On Mon, Nov 1, 2010 at 6:34 PM, Bret Foreman <[email protected]>wrote: > >> I'm working on the same issue. My Activity takes some time to >> calculate the graphics that will be displayed, about 3 seconds in some >> complex cases. That's just long enough that the user often hits the >> button again. If an hourglass is not an option, I suppose I can throw >> up some sort of splash, do the main work in an AsyncTask, then put up >> the results. But it's a lot of added complication for a 3 second >> delay. >> >> On Nov 1, 5:21 pm, Frank Weiss <[email protected]> wrote: >> > I don't understand your question. Your new activity should load quickly, >> > what time would there be to display an hourglass? >> >> -- >> You received this message because you are subscribed to the Google >> Groups "Android Developers" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected]<android-developers%[email protected]> >> For more options, visit this group at >> http://groups.google.com/group/android-developers?hl=en >> > > > > -- > Dianne Hackborn > Android framework engineer > [email protected] > > Note: please don't send private questions to me, as I don't have time to > provide private support, and so won't reply to such e-mails. All such > questions should be posted on public forums, where I and others can see and > answer them. > > -- > You received this message because you are subscribed to the Google > Groups "Android Developers" group. > To post to this group, send email to [email protected] > To unsubscribe from this group, send email to > [email protected]<android-developers%[email protected]> > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > -- You received this message because you are subscribed to the Google Groups "Android Developers" group. To post to this group, send email to [email protected] 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
