#Hide the address bar in a fullscreen iPhone or Android web app #https://gist.github.com/nateps/1172490 var page = document.getElementById('page'), ua = navigator.userAgent, iphone = ~ua.indexOf('iPhone') || ~ua.indexOf('iPod'), ipad = ~ua.indexOf('iPad'), ios = iphone || ipad, // Detect if this is running as a fullscreen app from the homescreen fullscreen = window.navigator.standalone, android = ~ua.indexOf('Android'), lastWidth = 0; if (android) { // Android's browser adds the scroll position to the innerHeight, just to // make this really fucking difficult. Thus, once we are scrolled, the // page height value needs to be corrected in case the page is loaded // when already scrolled down. The pageYOffset is of no use, since it always // returns 0 while the address bar is displayed. window.onscroll = function() { page.style.height = window.innerHeight + 'px' } } var setupScroll = function() { // Start out by adding the height of the location bar to the width, so that // we can scroll past it if (ios) { // iOS reliably returns the innerWindow size for documentElement.clientHeight // but window.innerHeight is sometimes the wrong value after rotating // the orientation var height = document.documentElement.clientHeight; // Only add extra padding to the height on iphone / ipod, since the ipad // browser doesn't scroll off the location bar. if (iphone && !fullscreen) height += 60; page.style.height = height + 'px'; } else if (android) { // The stock Android browser has a location bar height of 56 pixels, but // this very likely could be broken in other Android browsers. page.style.height = (window.innerHeight + 56) + 'px' } // Scroll after a timeout, since iOS will scroll to the top of the page // after it fires the onload event setTimeout(scrollTo, 0, 0, 1); }; (window.onresize = function() { var pageWidth = page.offsetWidth; // Android doesn't support orientation change, so check for when the width // changes to figure out when the orientation changes if (lastWidth == pageWidth) return; lastWidth = pageWidth; setupScroll(); })();