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February 2001 Genie Application Style Guide 23
Navigation Guidelines
3
■ Use up to 18 characters on option labels.
Since <do> labels are items under the Options softkey, labels can be approximately
18 characters long. Limit labels to one or two words.
Example 3-11
Nokia 7110 Browser
<do type="accept" label="New Contact">
<go href="newctct.wml"/>
</do>
In Example 3-11 the menu item “New Contact” can replace New in applications
searching a database of information because the label is displayed under the
Options softkey.
■ Never define an action of go or noop to the prev task.
• The Nokia browser will not activate the right softkey. The action will be accessible
only under the Options softkey. To control how the application behaves when the
<prev> action is invoked, use a “shadow” card that contains an
<onevent type="onenterbackward"> element.
Example 3-12
<wml>
<template>
<do type="prev" label="Back">
<prev/>
</do>
</template>
<card id="start" onenterforward="#start2"
onenterbackward="backtome.wml">
</card>
<card id="start2" title="The Start">
…
Example 3-12 works by defining a dummy card (id="start") that immediately
transfers control to the real card (
id="start2") and puts itself on the history stack.
Entering the card from a backward direction triggers the
onenterbackward, thus
loading
backtome.wml.
■ It is not necessary to define a label for a <do type="prev">.
The Nokia 7110 browser assigns the label Back to the right softkey and ignores the
defined label.
Last name:
[Smith]
First name:
[Andrew]
Options
Back
City & State:
[San Diego, CA]
--------Contacts-------
------
Options items:
New Contact
Done