Apple icon plus5/26/2023 If multiple icons are suitable, the icon that has the precomposed keyword is used.īut it gets more complicated.If there are no icons larger than the recommended size, the largest icon is used.If there is no icon that matches the recommended size for the device, the smallest icon larger than the recommended size is used.Luckily, as of iOS 4.2 it’s possible to specify multiple icons for different device resolutions by using the sizes attribute: This wastes bandwidth and affects performance negatively for the end user whenever the site is added to the home screen. The downside is that these devices load the large high-quality image, while a much smaller file would have worked just as well. Devices with smaller screens or lower display resolutions automatically resize the icon. It’s perfectly possible to just create one high-resolution icon and use that for all devices. Update (September 2014): This post has been updated once again now that iOS 8 and the iPhone 6 Plus have been released. This post has been updated to reflect that. The icon size for Retina-display iPads went up from 144 × 144 pixels to 152 × 152 pixels. Update (June 2013): As of iOS 7, the recommended touch icon size for Retina-display iPhones went up from 114 × 114 pixels to 120 × 120 pixels. one that measures 180 × 180 pixels for iPhone 6 Plus (which has a 3× display).one that measures 152 × 152 pixels for iPad and iPad Mini models with a 2× display.one that measures 120 × 120 pixels for iPhone 4s, iPhone 5, iPhone 6 (which have a 2× display).one that measures 76 × 76 pixels for iPad and iPad Mini models with a 1× display.The Icon and Image Sizes section in the iOS HIG states that you should create the following icons: As of iOS 7, no special effects are applied to touch icons anymore, so if you only care about iOS 7 and up you don’t have to use precomposed anymore. It gives you full control over your icon, and it’s the only kind of icon Android 2.1 supports. I’d recommend to always use precomposed icons. iOS 4.2 seems to ignore the entire declaration if you’re using the space-separated value technique. In practice, however, it doesn’t work that way. Since the rel attribute accepts a space-separated list of values in HTML, theoretically it should be possible to fall back to the regular icon with added effects for iOS 1 without requiring an extra element: Specifically, iOS adds:Īs of iOS 2.0, you can prevent the addition of these effects by using the precomposed keyword: IOS automatically adds some visual effects to your icon so that it coordinates with the built-in icons on the Home screen (as it does with application icons). Android has a default icon, and some systems fall back to the favicon if it’s available. What’s weird is that Android 2.1+ also has apple-touch-icon support (with a few quirks).įor web pages that don’t specify a custom touch icon, a thumbnail screenshot of the page is used instead. For the time being it is still downloaded when the appropriate HTML is present, though.Īpple iOS has supported touch icons since iOS 1.1.3. Update: As of Chrome 30+, this is no longer true: apple-touch-icon-* is no longer fetched automatically, since the 404 pages that are usually returned were consuming 3-4% of all mobile bandwidth usage. If no such HTML is found, Chrome for Android falls back to the Apple touch icons instead. Chrome v31+ for Android does support this syntax, though! Use it as follows: It’s a shame Apple didn’t just implement the standard and chose to come up with a more verbose proprietary link relation instead. Adding them to your web page is easy, and I’m sure you already know how this works using HTML: “Touch icons” are the favicons of mobile devices and tablets.
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