Flowdock
method

favicon_link_tag

Importance_2
favicon_link_tag(source='favicon.ico', options={}) public

Returns a link loading a favicon file. You may specify a different file in the first argument. The helper accepts an additional options hash where you can override “rel” and “type”.

Options

  • :rel - Specify the relation of this link, defaults to ‘shortcut icon’

  • :type - Override the auto-generated mime type, defaults to ‘image/vnd.microsoft.icon’

Examples

favicon_link_tag '/myicon.ico'
# => <link href="/assets/favicon.ico" rel="shortcut icon" type="image/vnd.microsoft.icon" />

Mobile Safari looks for a different <link> tag, pointing to an image that will be used if you add the page to the home screen of an iPod Touch, iPhone, or iPad. The following call would generate such a tag:

favicon_link_tag '/mb-icon.png', rel: 'apple-touch-icon', type: 'image/png'
# => <link href="/assets/mb-icon.png" rel="apple-touch-icon" type="image/png" />
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November 7, 2014 - (v1.0.0 - v4.0.2)
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Non Layout Pages

A 404 error for the favicon will be thrown on pages where there is no layout if there isn’t a favicon in the public folder.

A situation would be when a controller method is used to render an image and the user chooses to open the image in a new tab bypassing the layout and the favicon_link_tag.