This is a problem that can probably be easily solved with the low-level API.
Entities are schemaless and you can treate properties like a Map. You could
probably do something like this:
Entity settings = new Entity(Settings, user.getKey());
settings.setUnindexedProperty(dailyEmail, false);
Hello all,
In my app, the root element is a user, with which I want to associate
a simple key-value structure for storing user preferences. It should
be such a structure because I really can't foresee what preferences
will be added in the future. At first I thought of using a simple
@serialized
