We have editing in both online and offline mode working well. What we would like to add is the ability to attach an image to a feature. We have attachments enabled in our (sample) ArcGIS Online hosted feature service. We'd like in our Mobile Flex viewer to have a similar component to what there is in ArcGIS Online:
[ATTACH=CONFIG]20082[/ATTACH]
Any advice on how we might build this component we would welcome.