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C H A P T E R 1 9
Built-in Applications and System Data
System Data
2. Add a frame called
to your application's base view. Note that
this means you cannot add a
frame to an autopart unless
exists. This frame must have a slot called
The possible values for the
slot are
Allows a user to move all soup entries to a different store.
Allows a user to file all soup entries to a different folder.
Allows a user to move and file all soup entries.
3. Create a soup icon whose
slot is your application's application
symbol; see "Adding a Soup Icon" beginning on page 19-40.
If you wish to gain control over this process (or some part of it), you may define
one or more of the following optional methods in your soupervisor frame:
, and
. These three methods are described in
"The Soupervisor Frame" (page 16-86) in Newton Programmer's Reference.
System Data
This section describes the API to system stored data and how to store application
preferences in the system soup.
About System Data
The system stores user preferences and other system information in a soup called
"System," which you should reference with the constant
This soup holds information such as the user's address and phone number, the
currently selected printer, and handwriting recognition settings.
Your application can use this data to customize itself to the user's current situation,
and save the user some writing or tapping. Your application can be registered to be
notified when changes are made to this data.
You may also store a single entry in this soup with application-specific preferences.
Using System Data
This section describes
The functions used to access user configuration data, and to register an
application to be notified of changes to this data.
How to create an entry in the system soup for your application's preferences.
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