I have a simple page with fixed header and footer. When it Slides from page1 to page2, the footer on page is first shown at the position where the content of page2 is ended (somewhat middle) then after page finish sliding the footer re-position itself and move to bottom. Is there any way to avoid this?
In the pageshow event handler of the second page you can try adding the following code snippet:
$.mobile.fixedToolbars.show(true);
I believe this is a bug in JQM. It happens when the page content is shorter than the screen size.
My educated guess, why it happens:
After transitions, JQM triggers updateLayout, which recalculates footer position by hiding-recalulate-showing
Toolbars are hidden using CSS:top property and setting it to 0
So on a long page, to hide the footer CSS:top is set to 0, pushing your footer down to where it would be in a static page flow = the end of your document.
To show the footer, JQM calculates, where you are on your page vs. your screen size and footer height and comes up with some CSS:top = -12345px. Check CSS-top in Firebug when the footer is visible.
= to hide: CSS-top = 0
= to show: CSS-top = -1234px
Now if your page is shorter than the screen height (screen 600px, page 200px for example), hiding the footer by setting CSS:top=0 will stick it to the end of the page, which is right in the middle of your screen at 200px.
Since updateLayout recalculates footer position, it is hidden-recalculated-shown. And there you have your jumping footer.
I've done a fix with pull request on Github - https://github.com/jquery/jquery-mobile/pull/3050.
I guess since the toolbars will switch to pos:fixed with JQM 1.1. nobody bothered to pull it in any more. But it work nevertheless.
Related
I have a button in bottom part of my website. On ios devices in safari browser, when i try to click it, it first opens footer section of browser and then i have to tap again to click the button. How can i click button in one tap?
Refer this GIF: https://i.stack.imgur.com/HyciL.gif
height: 100vh (this will set your content to have maximum possible height)
overflow-y: scroll (this will make that div/element scrollable and hence browser won't notice that you are scrolling when actually you are scrolling.)
Due to ios safari's default behaviour when you scroll on page it automatically hides header and footer of browser. Now if you have a button on bottom part of your website, you will have to tap twice to make it work. The first tap will trigger safari footer section (assuming you wanted to open footer section) and second tap will actually trigger click event on button.
One of main reason of this thing causing an issue is, whenever you scroll, safari notices that you have scrolled and you will keep scrolling. To show you maximum content on website it hides footer and addressbar. and that's why using overflow-y: scroll is mandatory.
P.S.
Because you are now scrolling within the div/element window.addEventListener('scroll', function()) won't work anymore. To fix that, you can use document.getElementById('your-div-id').addEventListener('scroll', function())
Apart from this window.pageYoffset will always be 0. To get pageYOffset, you can use getBoundingRect property of the div on which overflow-y:scroll was added.
For example:scrollPosition = document.getElementById('your-div-id').getBoundingClientRect().top
This will give you height from top of the div till you have scrolled.
Happy debugging
The jQuery Mobile popup dimensions are limited to having a 15px margin on the left an right sides, and a 30px margin on the top and bottom. If the content is too large for these constraints, then the popup grows longer (not wider), so that the whole page must be scrolled to view the popup content.
I need to change this behavior such that the popup dimensions never exceed the height of the window, and such that the content scrolls vertically within the popup.
It is possible to limit the size of the popup thusly:
$('#popup').on({
popupbeforeposition: function() {
var maxHeight = $(window).height() - 30
$('#popup').css('max-height', maxHeight + 'px')
}
})
...but the popup content is the same, passing the bottom of the popup and still forcing the user to scroll the page, rather than the content within the popup.
How do I allow the popup content to scroll vertically within the popup?
You should use:
$('#popup').css('overflow-y', 'scroll');
Here's a working example: http://jsfiddle.net/Gajotres/mmRnq/
Final notes
If you want to find more about how to customize jQuery Mobile page and widgets then take a look at this article. It comes with a lot of working examples, including why is !important necessary for jQuery Mobile.
i'm using jquery 1.1.0 and i have a custom header here
i've set the css of this header to be a height of 200px; (i hardcoded it for testing, if i place items in there to make it dynamically get to 200 px, it's the same thing)
the problem is when i transition to another page
$.mobile.changePage("#SurveyCreateView", "none", false, false);
the content on the second page basically ignores the height of the custom header i have. (so the content starts all the way at the top) if i resize the window or if i do a back, and navigate to the second view again, then everything is okay.
anybody have any idea how to fix this?
I have a div in a page (footer) and I want the following to happen with CSS:
If the page has not enough content to fill the window, the div should be at the very bottom.
If the page has enough content (and a scroll bar perhaps appears) then I want the div to be after all the content.
If I do it with position absolute etc, I can't get the second case to work.
Any ideas?
I think you're looking for 100% min-height layout. Check out this post: 100% Min Height CSS layout.
You want to use a sticky footer.
For example: http://ryanfait.com/sticky-footer/
or if you google Sticky footer you find a few alternatives
I'm creating a mock-up of a function to be added to a mobile version of a site. The idea is to have a horizontally scrolling footer of links with vertically scrolling content; in effect, recreating the functionality of the native iOS behavior when double-tapping the home button.
Problem: when the page loads, it appears the viewport is not getting recalculated to match the new content area height. This leaves an ugly blank area (apparently the size of the URL bar in iOS Safari) below the scrollable footer.
I've tried adding a timeout to recalculate the height (using the function in scrollview.js). When using a fixed-position footer, the footer behaves strangely but eventually reappears in the expected place - the blank space remains, however.
Link to jsfiddle code.
Link to imgur screenshot from my iPhone.