Load Mobile CSS If User Is on Android

Load mobile CSS if user is on Android

You should just be able to add

|| (navigator.userAgent.match(/Android/i))

to the second if statement, so

if( (navigator.userAgent.match(/iPhone/i)) || 
    (navigator.userAgent.match(/iPod/i)) || 
    (navigator.userAgent.match(/Android/i)) ) 

Detect if a browser in a mobile device (iOS/Android phone/tablet) is used

Update (June 2016): I now try to support touch and mouse input on every resolution, since the device landscape is slowly blurring the lines between what things are and aren't touch devices. iPad Pros are touch-only with the resolution of a 13" laptop. Windows laptops now frequently come with touch screens.

Other similar SO answers (see other answer on this question) might have different ways to try to figure out what sort of device the user is using, but none of them are fool-proof. I encourage you to check those answers out if you absolutely need to try to determine the device.

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iPhones, for one, ignore the handheld query (Source). And I wouldn't be surprised if other smartphones do, too, for similar reasons.

The current best way that I use to detect a mobile device is to know its width and use the corresponding media query to catch it. That link there lists some popular ones. A quick Google search would yield you any others you might need, I'm sure.

For more iPhone-specific ones (such as Retina display), check out that first link I posted.

How to detect ONLY with CSS mobile screens

The @media rule is used to define different style rules for different media types/devices.

If it doesnt work, check your code. you might have made a typo somewhere.

Example:

@media only screen and (max-device-width: 640px) {
    /* Styles */
}
    
@media only screen and (max-device-width: 768px) {
    /* Styles */
}

Earlier post:
How to code CSS media queries targeting ALL mobile devices and tablets?

W3schools: http://www.w3schools.com/cssref/css3_pr_mediaquery.asp

How to load CSS just in mobile view?

The best way is to include the css file irrespective of whether a device is a mobile device or desktop device and then using media queries in the css file which works for mobile and desktop devices.

but if you still need the answer then there are two major methods to do this:

CSS WAY

Use the media property of link tag: (Remember this always loads the css but activates it only on screens having max width as 960px)

<link rel="stylesheet" href="style.css" media="only screen and (max-width: 960px)">

JAVASCRIPT WAY

Use a function to determine if a device is a mobile device and if yes then apply the css:

function isMobile(){
    return (/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda|xiino|android|ipad|playbook|silk/i.test(navigator.userAgent||navigator.vendor||window.opera)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test((navigator.userAgent||navigator.vendor||window.opera).substr(0,4)))
}
if(isMobile)
{
        var head  = document.getElementsByTagName('head')[0];
var link  = document.createElement('link');
link.rel  = 'stylesheet';
link.type = 'text/css';
link.href = 'http://website.com/css/stylesheet.css';
link.media = 'all';
head.appendChild(link);
}

Switching stylesheet with Javascript based on browser

Can´t you use media queries to determine what stylesheet the browser must use? Checking for individual user agents seems the wrong way to go about it.

Edit: I just noticed the media queries code you are using and I noticed you are using a different path: css/style_mob.css when using the javascript and ../css/style_mob.css. Is that a typo or could it be the reason it's not working?

Can't load stylesheet on mobile

Use the code below

<link rel="stylesheet" media="only screen and (max-device-width: 480px)" href="css/mobile.css" type="text/css" />

Mobile Related jQuery Plugins are below. it will make your life easy.

http://jquerymobile.com/

http://jqtjs.com/

http://phonegap.com/

How to detect and deliver separate CSS files for mobile devices?

@media screen size is like Brad mentioned above. Otherwise you'll need to setup a database of user agents.

@media screen and (max-width:960px) { h1, h2 { color:#990000; font-size:1.4em; } }

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