Implement Icon using CSS Class in jQuery Mobile

Is there a way to use an icon in jQuery Mobile on a span element and also support retina display without giving the span a fixed width? Should I attempt to utilize Media Queries to achieve this, or is there an "official way" to do it?

Thanks, Nils

Answer №1

If you're looking to create custom icons in jQM, follow these steps:

First, prepare two png files - one sized 18x18 and the other 36x36.

In your CSS file:

//non-retina
.ui-icon-amazing {
    background-image: url("custom.png");
}

//retina
@media only screen and (-webkit-min-device-pixel-ratio: 2) {
    .ui-icon-amazing {
        background-image: url("custom-hd.png");
        background-size: 18px 18px;
    }
}

To use your new icon (named 'amazing'), simply add the data-icon attribute like this:

data-icon="amazing"

The new icon will then be applied on your webpage. For extra credit, consider encoding your png directly into the stylesheet using base64.

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