If you have a lengthy background process, I assume you're using a Service, which already has a Context associated with it. If you're not using a Service, you probably should be, then when you're done post a notification to the user that their input is required to complete the action, and when they click the notification, launch a new Activity (that perhaps is styled to look like a popup dialog) that accepts the input you need to complete the task.
------------------------------------------------------------------------------------------------- TreKing - Chicago transit tracking app for Android-powered devices http://sites.google.com/site/rezmobileapps/treking On Wed, Dec 2, 2009 at 11:12 PM, Mark Wyszomierski <[email protected]> wrote: > Hi, > > I have some background task that is lengthy, long enough that it will > see the passing of several activities. When finished, I need to prompt > the user for some input. Is there a best-practice for keeping a > 'foreground' context so I can launch an alert dialog from whichever > context is currently being shown? I can do something like this: > > public class ContextReference { > private static ContextReference mInstance; > private Context mContext; > > public void onActivityResume(Context context) { > mContext = context; > } > > public void onActivityPause() { > mContext = null; > } > > public Context getContext() { > return mContext; > } > } > > then override every onResume()/onPause() pair in all activities in my > application, have them each call the corresponding methods, this > doesn't seem like a good idea though. Is there a specialized > notification class for this sort of thing? I also tried using a > context stored at startup from getApplicationContext(), but when I try > to use it with alert builder sometime into the life of my app, it > appears to not work, > > Thanks > > -- > 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
