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February 2001 Genie Application Style Guide 13
Usability Design Philosophies
Testing the Design
2
■ The right softkey label supports the <prev> element and for some phones may
be context sensitive.
The right softkey supports the following function depending if an item is selected or
what type of element is defined:
• If there is no item selected, the softkey returns the user to the previous card in the
history.
• For some phones, when a <prev> element is defined with a label, the phone will
display the defined label. When no label is defined, prev or Back will display.
Backward navigation will replicate that of the left scroll key.
• For some phones, if the item selected is a <input> or <select> element, the
softkey displays the defined label and accesses a card with the
<input> or
<select> element. For some phones, if there is a <do> element define with an
action other than
<prev>, there is no softkey prompt for the input or select
element. The user can the access the
<input> or <select> element from the
right scroll key.
• For some phones, if the item selected is a link, the softkey displays the defined
label and accesses the URL.
■ The phone has a fixed key mapped to backward navigation.
■ <input> and <select> elements.
Activating a <select> or <input> element takes the user to a separate card to either
select an item or enter data.
■ Tables are supported.
■ Images and WML Scripts may be turned off by the user.
The browser has a setting that allows users to enable or disable image and WML
Script support. For images, the browser displays the alt text defined. When WML
Scripts are turned off, an error message displays causing user confusion; therefore,
avoid using WML Scripts.
■ Timers are supported.
Timers on cards will be re-initialised and activated each time the card is displayed,
even if that particular counter had already triggered.