I'm creating shop like app with Flex frontend and Drupal 7 backend for our offline retail sotres (it started from simple products availability DB, so I don't wanted to pay for monster all-in-one commercial soft). The point is now it grew up to many lines of code and I wanted to move to AMFservice for Services 3 module to send typed data to Flex...
Seems like today it's very simple to get good comunication betwen flash (frontend) and drupal 7 (backend), good people had wrote just great API to make your work as simple as possible... but there are spots even in the sun. Here are my steps to make them workin' on D7 + Flex SDK 4.5.
In my project (on Drupal 7) I'm using EntityFieldQuery alot to get some entities with given conditions, but working with resulting array of execute() function - is boring and makes code dirty IMHO. So I created helper class used only to load entities. Most of the time result is self describing one-liners instead of variables mess. I know it not covers all posibilities of EntityQuery, but 90% of my usage of it is loading Entities with some conditions. With the help of my class, loading one entity with conditions will be as simple as: