Hello,
I am in the process of updating my widget to allow appearance
configuration. There is a config activity, and a few preference values,
organized by widget id.
My widgets are updated outside onUpdate in response to Wi-Fi events, and
the code need to apply individual configuration to each widget.
To get widget ids, I do this:
ComponentName thisWidget = new ComponentName(context, WifiWidget.class);
AppWidgetManager manager = AppWidgetManager.getInstance(context);
int[] appWidgetIds = manager.getAppWidgetIds(thisWidget);
For some reason getAppWidgetIds returns many more values than there are
widgets. I have just one widget on the home screen, and appWidgetIds has
eight (8) values.
I suspect the other 7 values are old, no longer active, instances of the
same widget. Since my code has no way to tell active from inactive
widgets (this is what getAppWidgetIds is supposed to do!), it means my
code builds and marshalls eight times as many updates as possible. I
guess there is also a threat of ANRs because of this.
This is Moto Milestone with Android 2.1.
Am I correct about the source of these incorrect widget IDs? Any
suggestions for a workaround?
Instead of allowing the user to configure a widget, I could create
parallel versions of the same widget, so the user would pick the desired
variation from the installed widgets list. But this could be really
annoying.
--
Kostya Vasilev -- WiFi Manager + pretty widget -- http://kmansoft.wordpress.com
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