Uninstalling app which created widgets leaves "Problem loading widget" placeholder where they used to be

My app suffers from this and it turns out so does the Wiktionary sample from http://developer.android.com/resources/samples/Wiktionary/index.html. Install the app, create a widget, uninstall the app - observe text as stated where widget used to be. Tried on Android 2.3.4.

I understand Widgets can't be rendered unless all their resources are available to them - are they trying to be drawn after the uninstall, when those resources clearly are gone?

Whilst struggling with this I saw the AppWidgetProvider.onDeleted() explanation says it's 开发者_如何学Pythoncalled when the ACTION_APPWIDGET_DELETED broadcast is sent. On my app this is true when I manually drag a widget to the trashcan. Is it also supposed to fire when you leave the widget on the home screen but uninstall the app?

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No, I don't think it does. see here How to remove widget when the app is uninstalled in Android? (edited - sorry cut/paste failure)