I found that calling updateAppWidget, followed by Thread.sleep(500)
followed by notifyAppWidgetViewDataCjanged() is solving the problem.

However I am not sure if it is the right thing to call sleep().

Any suggestions on this please.

On Jul 29, 3:45 pm, Brad <[email protected]> wrote:
> Hey, thanks for the reply. Glad I am not the only one with this
> problem :-)
>
> So, I too thought of restructuring my code such that I would instead
> invoke notifyAppWidgetViewDataChanged(). Unfortunately I got the same
> results - the message was not pushed to the widget promptly. Although,
> after you wrote this post I thought to try it again. It seems that my
> update will unreliably push if I add the
> notifyAppWidgetViewDataChanged() directly before my call to
> updateAppWidget(), then the list updates properly. At any rate, this
> fix seems like a "I-hope-this-works" fix rather than a logical fix.
> And this does not work every time, for example if I execute the same
> update block from a different BroadcastReceiver, it does not work. I
> am at a loss.
>
> It looks like there have been others with this problem, 
> too...http://code.google.com/p/android/issues/detail?id=8889
>
> Brad
>
> On Jul 29, 3:11 pm, Padma <[email protected]> wrote:
>
>
>
> > Even I am facing a similar issue with lists in appwidgets. And I
> > haven't been able to find a solution till now. I tried using the
> > notifyAppWidgetViewDataChanged(). This has fixed a few cases of the
> > list not getting refreshed. But I am still getting the issue randomly.
>
> > On Jul 28, 4:35 pm, Brad <[email protected]> wrote:
>
> > > I am developing an appwidget for 3.x and I have run into a roadblock.
> > > I would like to manually update an appwidget that contains a list by
> > > pressing a "refresh" button on the appwidget. I am unable to manually
> > > update the content of my appwidget because it appears that the
> > > AppWidgetManager does not push my updates to the home screen promptly,
> > > rather it waits until the ListView is scrolled to constructed apply
> > > the new RemoteView. Here is the relevant code:
>
> > > MyAppWidgetProvider extends AppWidgetProvider {
> > > ....
> > >    @Override
> > >    public void onReceive(Context context, Intent intent) {
>
> > > if(intent.getAction().equals(AppWidgetManager.ACTION_APPWIDGET_UPDATE))
> > > {
> > >          AppWidgetManager mgr = AppWidgetManager.getInstance(context);
> > >          int appWidgetId =
> > > intent.getExtras().getInt(AppWidgetManager.EXTRA_APPWIDGET_ID);
>
> > >          // create the RemoteView
> > >          Intent serviceIntent = new Intent(mContext,
> > > MyAppWidgetService.class);
> > >          serviceIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID,
> > > appWidgetId);
>
> > >          RemoteViews appWidget = new
> > > RemoteViews(context.getPackageName(),
> > > R.layout.appwidget_widget_layout);
>
> > >         // set the listener for my configuration activity
> > >         Intent configureAction = new Intent(mContext,
> > > MyAppWidgetConfigure.class);
> > >         configureAction.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID,
> > > appWidgetId);
> > >         PendingIntent configurePendingIntent =
> > > PendingIntent.getActivity(mContext, 0, configureAction,
> > > Intent.FLAG_ACTIVITY_NEW_TASK);
>
> > > appWidget.setOnClickPendingIntent(R.id.appwidget_configure_widget_button,
> > > configurePendingIntent);
>
> > >          appWidget.setRemoteAdapter(appWidgetId,
> > > R.id.appwidget_flight_list, serviceIntent);
> > >          mgr.updateAppWidget(appWidgetId, appWidget);
> > >       }
> > >    }
>
> > > }
>
> > > MyAppWidgetService extends RemoteViewsService {
> > >    @Override
> > >     public RemoteViewsFactory onGetViewFactory(Intent intent) {
> > >        return(new MyRemoteViewsFactory(this.getApplicationContext(),
> > > intent));
> > >     }
>
> > >    public class MyRemoteViewsFactory implements
> > > RemoteViewsService.RemoteViewsFactory {
> > >       ….
> > >       ….
> > >       // this contains all of the code for downloading the proper data
> > > for the list, etc...
> > >     }
>
> > > }
>
> > > Here is my problem: my configure activity (which just so happens to be
> > > the same activity that is launched when the appwidget is first
> > > created, by placing it in the xml metadata object) broadcasts the
> > > ACTION_APPWIDGET_UPDATE intent, which is received by
> > > MyAppWidgetProvider correctly. The mgr.updateAppWidget() method gets
> > > executed (I have confirmed by placing log statements on either side),
> > > yet for some reason the widget does not get updated on the home screen
> > > promptly. Instead, it will update only if I scroll the ListView and it
> > > needs to grab new rows, then the MyWidgetService gets constructed and
> > > applied to the widget (with the correctly updated data that I intended
> > > it to have).
>
> > > So, after scouring the documentation/web for days this seems like the
> > > correct usage. Unfortunately, the app widget does not update as I
> > > would like. What am I doing wrong? Thanks for any help, in advance. I
> > > would love to talk about this problem and share more code if need be.
> > > I just want to figure out this problem!

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