I have a Joomla 3.3 custom module, and I've added the overflow attribute which works fine. How can I change the scroll bar color, width and rounded corners for this module alone without affecting the page scroll bar for the entire page?
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My goal is to view the content of the bottom page from the top of the other content page. In order to accomplish this, I used PushModalAsync to navigate and set the BackgroundColor property of the navigation page to Transparent. I can view the content on the bottom page on Android. However on the iOS platform, a black color is always displayed and I am unable to read the content of the bottom page. Why is the background color always black even when it is set to be transparent in PushModalAsync?
Note: The iOS platform displays a white screen when I change the navigation to PushAsync.
Expected Behavior:
Background color should not be black and it should be transparent when navigating using PushModalAsync
Actual Behavior:
Background color is always black even when the content page background color is set as transparent when navigating using PushModalAsync
Android Screenshot
iOS Screenshot
The issue reproducing sample is provided below:
DemoSample
If you want to do EXACTLY like that, it is not possible (it will require so much work that you can't expect someone to provide you the solution here).
On iOS that control (ViewController) is drawn that way in that presentation mode. So as long as you use that control and that mode it will work that way irrelevant if you use Xamarin or something else. As ViewControllers are most basic controls it is not realistic to replace them with something else. But you can replace presentation mode. In Xamarin.Forms you can do that this way:
<ContentPage ...
xmlns:ios="clr-namespace:Xamarin.Forms.PlatformConfiguration.iOSSpecific;assembly=Xamarin.Forms.Core"
ios:Page.ModalPresentationStyle="FormSheet">
...
</ContentPage>
This will result in somewhat different visual presentation but that is the only way to have one ViewController drawn over another without going into some deep customization that would require tons of code, especially on Xamarin.Forms.
You can also try some other values, but the default value will not work.
In iOS, the hierarchy is managed by the view controller. Each page has a separate view controller. A page consists of a window, a root view, and a subview. You cannot see the layout of the previous page by setting the background color to be transparent.
For more details, you can refer to the following documents:
User interface | Microsoft
The View Controller Hierarchy | Apple
In Webflow I've created a sticky sidebar dot navigation that takes users to sections on the page. I'd like the sidebar to start in the first section and end in the last section. Currently when you click the dots it goes to the correct place, but on scroll it scrolls into the header image and the bottom footer. How can I add a top and bottom position for a sticky sidebar?
I tried adding margin and padding, but that creates blank space on the page. I can add CSS to the before body of the page or add HTML directly to the page, but I'm not practiced in writing either. Any help is appreciated.
When app bar is present, the height of the app bar affects the content on the rest of the page.
For example, if the app bar has a Height of about 25px when ClosedDisplayMode="Minimal", the rest of the content on the page (rootGrid) would have its actual height of Screen Height - 25px. So the app bar is not overlay on page content.
This is visible especially when the content is VerticalAlignment="Center" or Bottom.
Is there any way to avoid this? Something like a ZIndex on the AppBar so that it is displayed over the page content and not trimming it on the bottom side of the screen.
It is possible to tell the renderer that the whole "window" should be used when rendering and not just the visible part. By calling Windows.UI.ViewManagement.ApplicationView.GetForCurrentView().SetDesiredBoundsMode(ApplicationViewBoundsMode.UseCoreWindow) the renderer will include the areas beneath the chrome of the window (ie the system tray on top of the screen and the app bar at the bottom). The chrome will always be on top of whatever is rendered from xaml.
ApplicationView is documented here.
If you don't want the system tray on the top of the screen to overlap the content, you'll have to compensate with a margin on the root container of your visible xaml.
I want to collapse navbar when screen size is <=750px.
You can use Bootstrap's customization tool to build a modified version of Bootstrap. From here, you can alter #grid-float-breakpoint to another breakpoint defined by Bootstrap (ie, xs, sm, md, lg).
You need to modified according to highlighted red in below image.
When you're finished, navigate to the Download section, and click On Compile and Download
& then use it bootstrap js & CSS.
Did you not read the docs?
Changing the collapsed mobile navbar breakpoint
The navbar collapses into its vertical mobile view when the viewport is narrower than #grid-float-breakpoint, and expands into its horizontal non-mobile view when the viewport is at least #grid-float-breakpoint in width. Adjust this variable in the Less source to control when the navbar collapses/expands. The default value is 768px (the smallest "small" or "tablet" screen).
I have a relative div above a fixed one which acts like a navigation bar.
I want to be able to scroll past the relative div before the fixed div starts having to scroll here is my website.
as you can see from just scrolling on the site the sidebar doesn't work as intended.
Try using JavaScript to detect the scroll position of the window and then change the CSS to start scrolling like a fixed div.
Another tip, the the fixed div which contains your projects on the home page lays over your footer when you scroll to the bottom.
Use JavaScript to detect if the user is at the bottom of the page or not and then set the CSS of it to have a margin from the bottom of the page.
Hope I helped.