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February 2001 Genie Application Style Guide 39
7
Chapter 7 Backward Navigation
Pay special attention to backward navigation because users tend to use the Back key or
softkey to back out of an application. Users are more likely to trust applications with good
backward navigation functions. In addition, backward navigation lets users leave the
application without returning to the home deck. This may be particularly helpful for
applications that are deeply embedded in the browser. For example, if a set of applications
is three menus deep from the home card, backward navigation allows the user to return
easily to the start of the set without re-navigating through the first two or three menus. In
some cases, the design must prohibit navigation behind password-protected cards.
The default behaviour for all three browsers vary amongst each other and depending on
the how the code is defined:
Table 7-1. Summary of backward navigation behaviour
Openwave Browser Nokia 7110 Mitsubishi Trium
No defined <do> or
<prev> elements
Primary softkey (labelled
OK or Back returns users
to the previous card in the
history.
Dedicated Back key
returns the user to the
previous card in the
history.
Backward navigation is
not possible.
User must select Home
from the Options menu to
exit the application.
Right softkey, labelled Back,
returns user to the previous card
in the history. On some phones,
if user navigates over a link,
<input> or <select> element,
the back functionality is
removed.
Left scroll key returns user to the
previous card in the history.