Revision as of 15:33, 30 December 2009 by Forum Nokia KB (Talk | contribs)

Customising a Guarana UI checkbox

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Article Metadata
Tested with
Devices(s): Nokia 5800 XpressMusic
Created: (27 Nov 2009)
Last edited: Forum Nokia KB (30 Dec 2009)


This code snippet demonstrates how to customize a Guarana UI checkbox. You can download the component library from Forum Nokia. This snippet assumes that you are familiar with adding the checkbox component on a web page. For more information about this, read the snippet Adding a Guarana UI checkbox on a web page.

To replace the checkbox with your own version, first create the graphics that you want to use. After that, replace the themes/nokia/base/images/checkbox.png with your own image file. The original image file contains pictures of the checkbox in four different states: checked and not pushed, checked and pushed, unchecked and not pushed, and unchecked and pushed:
Guarana checkbox default img.png
The technique used for switching between these states when the checkbox is clicked is to adjust the background picture with the CSS classes. Like this:

.nokia-checkbox-unchecked {
background-position: 0 -74px;

This means that you must customize the CSS file themes/nokia/base/images/checkbox.css so that it corresponds to your own image file. For example, if you have created this kind of file:
Guarana checkbox custom img.png
where the checkbox icon is 34 x 34 pixels, and there are only two states (checked and unchecked) represented, then the customized CSS classes would look like this:

.nokia-checkbox-icon {
background-image: url(images/checkbox.png);
height: 34px;
width: 34px;
float: left;
.nokia-checkbox-checked {
background-position: 0px 0;
.nokia-checkbox-unchecked {
background-position: 0 -34px;
.nokia-checkbox-pushed .nokia-checkbox-checked {
background-position: 0 0px;
.nokia-checkbox-pushed .nokia-checkbox-unchecked {
background-position: 0 -34px;


The default graphics of a checkbox component are replaced with own graphics and the necessary changes are made to the CSS file.

See also

Supplementary material

This code snippet is part of the stub concept, which means that it has been patched on top of a template application in order to be more useful for developers. The version of the WRT stub application used as a template in this snippet is v1.2.

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