Apple Newton Utilities Guide de l'utilisateur télécharger pdf (Page 158)

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CHAPTER 4

NewtApp Applications

4-20 Using NewtApp

Follow these steps to ready your application for the slot views:

1. Drag out a

newtEntryView proto on top of the newtLayout proto.

2. Optional. Name it

theEntry.

There are no unusual slots to set in an entry view. Therefore, you are ready to add

the header and slot view protos.

3. Drag out a

newtEntryPageHeader across the top of the newtEntryView.

4. Under the header, drag out a

newtStationeryView proto that covers the rest

of the entry view. This special view is not be visible; its function is to provide a

bounding box for the viewDef that will eventually be displayed.

The layout should look like the screen shot shown in Figure 4-9.

Figure 4-9 The information button and picker.

Registering DataDefs and ViewDefs 4

Several slots in the newtApplication base view enable you to identify the

stationery in your application. These slots include the

allViewDefs,

allDataDefs, and superSymbol slots.

Note

To see how to create the stationery used as part of this application,

consult Chapter 5, “Stationery.” The

allDataDefs and

allViewDefs slots, which are discussed here, contain

references to those dataDefs and viewDefs.

◆

The allDataDefs and allViewDefs slots are assigned references to the NTK

layout ﬁles containing your dataDefs and viewDefs. Once this is done, the

NewtApp framework automatically registers your stationery with the Newton

system registry when your application is installed on a Newton device.

Each

allDataDefs and allViewDefs slot contains frames that are required to

contain slots with identical names, to indicate the dataDefs and viewDefs that work

together. (A dataDef must be registered with its set of viewDefs because dataDefs

use viewDefs to display their data.)

In the

allDataDefs slot is a frame containing a reference to the NTK layout

template for a single dataDef. In the frame within the

allViewDefs slot is the

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Apple Newton Utilities Guide de l'utilisateur Page 158

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