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Revision as of 12:03, 16 June 2009 by kamaljaiswal (Talk | contribs)

Theme usability design guidelines

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Themes and Usability

Creating user-friendly themes is quite straightforward if you keep the following things in your mind:

Style:A theme is more than a background image - a theme should have a unifying idea with a consistent style and balanced colour palette.

Contrast:Mobile devices are small and the text and icons on them are even smaller - a good contrast should be provided throughout the theme, so that the icons, texts, and the focus and scrolling indicators are easy to interpret. Even the best sketches need revising and require hard-disciplined work to make them really good.

ThemesAndUsability.png

Theme Components with high Usability

Idle background

The idle background is displayed when the device is in idle mode and it can be practically anything you like or think the users of your Theme would like.

Note: There will be things on top of the idle background that have to be readable, such as the date and the time.

PREFERRED
Preferred Idle Bg.jpg

NOT PREFERRED
Not Preferred Idle.jpg

Active background

Background for different applications, pop-ups, and fields

Active standby

Scalable UI

When screen orientation changes from portrait to landscape and the aspect ratio of the display changes.Theme creator should also consider this effect.

PORTRAIT MODE
Potrait Mode.jpg

LANDSCAPE MODE
Lanscape mode.jpg

Icons and metaphors

Usable clocks, signals, and status bars

Ring Tone GuideLines For Nokia Devices

Nokia GuideLines For Creating User Friendly Themes

GuideLines For Theme.png

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