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Can't scroll properly through list in UX component on mobile device

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  • Can't scroll properly through list in UX component on mobile device

    I've got a list inside a UX component. If you look at the attachment, it is the list of buttons right under the title "sales/business development". On my iphone, the only way I can scroll through this list is if I grab on the outer edge (the blank white area), and scroll. If I try to drag where the buttons are located, it will not work. Any way to fix this? I've played with some of the settings in the list properties and the container properties that enable drag-scroll, but nothing seems to work.

    Any ideas?

    Thanks.

    image1.PNG


    https://snap.scansourcesecurity.com/sales_map.htm

  • #2
    Re: Can't scroll properly through list in UX component on mobile device

    This is a List control you're using? You'll need to provide more info as to how the List is set up... it's layout... how the buttons are created.

    As a simple test, using the List control, static data, a button added to the Field list, Freeform layout set as snaking... I don't see this behaviour. Scrolling is fine.

    In general, scrolling on a List of buttons is a bit troublesome, because you may get inadvertent button clicks during the scroll. It depends on how the user performs the scroll.

    Comment


    • #3
      Re: Can't scroll properly through list in UX component on mobile device

      Maybe not what you want but could you use the list control scroller perhaps?

      http://www.alphasoftware.com/video-l...rol%20scroller
      Alpha Anywhere v12.4.6.3.0 Build 7582-5569 IIS v10.0 on Windows Server 2019 Std in Hyper-V

      Comment


      • #4
        Re: Can't scroll properly through list in UX component on mobile device

        Here are some of the parameters of my list -

        layout type: freeform
        freeform type: vertical
        list item class name: {dialog.style}List Item snakingItem.

        And here is some CSS that goes along with it:

        .snakingItem {
        width: 19%;
        height: .45in;
        margin-top:.1px;
        margin-bottom:.1px;
        margin-right:2px;
        margin-left:2px;
        display: inline-block;
        background-color: rgb(89,89,89);
        color: white;
        background-image: none;
        border-radius: 2px;
        font-size: 16px;
        }
        @media (max-width: 1000px) {
        .snakingItem {
        width: 23%;}
        }
        @media (max-width: 800px) {
        .snakingItem { width: 31%;}
        }
        @media (max-width: 550px) {
        .snakingItem { width: 46%;}
        .snakingItem { font-size:16px; }
        .snakingItem { font-family:Calibri Light; }
        }



        I created all of this CSS to make the list more responsive with various screen sizes, anticipating that this will be used on mobile devices/desktops, etc.

        Let me know if any other information is needed. thanks!

        Comment


        • #5
          Re: Can't scroll properly through list in UX component on mobile device

          Still no issues... under iOS or Android. What is actually scrolling on your List? Just the buttons? Is the company title scrolling? The manager stuff? What panel setup are you using?

          Is your List control set to fill? There's so much more information that could be affecting this. Can you post a sample UX with static data? That would be a lot simpler to see and to work with. Otherwise, it's a lot of guessing.

          Comment


          • #6
            Re: Can't scroll properly through list in UX component on mobile device

            Let me guess on this.
            You are using containers to host all the controls.
            They have a width setting of something like 80% and left 10% and right 10% - so you have something to scroll with on the outer 10%
            The List is in a container that is set to fill container
            If you mess with it, you can scroll the entire thing from the sides and if you set the scroll for the container the list will scroll inside the container (to see more than the 12 list items) while the rest of the panel doesn't scroll?
            Is that something close?
            Insanity: doing the same thing over and over again and expecting different results.
            Albert Einstein, (attributed)
            US (German-born) physicist (1879 - 1955)

            Comment


            • #7
              Re: Can't scroll properly through list in UX component on mobile device

              Pete, Yes, that is about right. So it seems that only the spaces on the left and right of the container are where I can actually grab the screen and scroll.

              This URL will actually show you what I am talking about:

              https://snap.scansourcesecurity.com/sales_map.htm

              If you go to this on a phone or tablet, you can click one of the states and it will take you to the page I am talking about.


              Any ideas on how to make that better?


              I will try to post a sample UX shortly.

              Comment


              • #8
                Re: Can't scroll properly through list in UX component on mobile device

                Carl - just sent you a private message. Note 1:11 am where I am so won't answer until tomorrow.
                Insanity: doing the same thing over and over again and expecting different results.
                Albert Einstein, (attributed)
                US (German-born) physicist (1879 - 1955)

                Comment


                • #9
                  Re: Can't scroll properly through list in UX component on mobile device

                  Originally posted by peteconway View Post
                  Carl - just sent you a private message. Note 1:11 am where I am so won't answer until tomorrow.
                  Pete - From the US perspective you are already tomorrow...
                  Al Buchholz
                  Bookwood Systems, LTD
                  Weekly QReportBuilder Webinars Thursday 1 pm CST

                  Occam's Razor - KISS
                  Normalize till it hurts - De-normalize till it works.
                  Advice offered and questions asked in the spirit of learning how to fish is better than someone giving you a fish.
                  When we triage a problem it is much easier to read sample systems than to read a mind.
                  "Make it as simple as possible, but not simpler."
                  Albert Einstein

                  http://www.iadn.com/images/media/iadn_member.png

                  Comment


                  • #10
                    Re: Can't scroll properly through list in UX component on mobile device

                    Thanks Pete! I just sent you an email with the UX.

                    Comment


                    • #11
                      Re: Can't scroll properly through list in UX component on mobile device

                      So... no post of the sample UX for the benefit of the forum??? I don't understand.

                      Comment


                      • #12
                        Re: Can't scroll properly through list in UX component on mobile device

                        Glad to post for the benefit of the forum as well. UX attached. I would love feedback from anyone. Thanks!

                        sales.zip

                        Comment


                        • #13
                          Re: Can't scroll properly through list in UX component on mobile device

                          From what I can see you've got 1 PanelCard, and 3 List Controls set to Fill Container. Each List is sitting inside a Container control. And so, what you're expecting is 3 separate Lists, one under the other, able to scroll. I don't think this is a great design. List controls are designed to run fully within a PanelCard... not really inside a container controls. In actual use, I think it'd be a bit cumbersome to scroll through 3 Lists, one after the other, to get to data that I need... all on a mobile device.

                          You've done a lot of work to try to get your 3 Lists displayed the way you want... which is kind of a clue as to how the design doesn't work... and how the controls are being used in a way which they were not intended.

                          Can't tell from your app, but all 3 Lists are probably coming from 1 table. I'd rather see 1 List, properly sorted and grouped with filter input and buttons to show me what I want and what I'm looking for.

                          Plus, you're then dealing with 1 List (and it's overhead) instead of 3 Lists which are pretty much all doing the same thing. You're pulling exactly the same data elements from 3 different views for 3 Lists. You're doing work 3 times and you should be doing it just once.

                          Further, if this is going to be a true Mobile app, then stop using Session Variables. Use state variables, or a control, or file storage to hold whatever values you need to persist.

                          Comment


                          • #14
                            Re: Can't scroll properly through list in UX component on mobile device

                            Thanks for the feedback. Boy, I wish there was a class somewhere that taught this stuff (maybe there is?). I've really just been winging it, seeing what works. I had no idea that lists should run fully in panel cards, etc. Seems like a lot of my reasons for designing things the way I did was because I was having alignment issues. I could not for the life of me get a list to center on a page unless I put it inside a container set to 100%, and then did the fill container option. I will have to play around with it some more. There are actually three different databases, each list ties to it's own database. Perhaps I could have done this as one list, good thought. As far as session variables/state variables, I have no idea what that even means, but would love to learn.

                            Comment


                            • #15
                              Re: Can't scroll properly through list in UX component on mobile device

                              If you put a List control into a PanelCard, set it to Fill Container, then add another control to the PanelCard... when you try to save that component you'll get a error from Alpha telling you that no other controls are allowed in a PanelCard when a List Control is set to fill. PanelCard Headers and Footers are allowed... but no other controls other than the List Control itself. Trying to shoehorn in other controls which get around this rule is just asking for trouble and you wrap yourself around the axle trying to get things to work.

                              Each List ties to it's own database... or own table? What the database source. I hope you're not going to say anything other than MySQL, SQL Server, or a variant.

                              Session variables... and this is just me... are excellent for web browser based apps... not Mobile apps. Mobile apps need to run through the PhoneGap Build process. These apps do work with Session vars, but they're really, really tough sometimes. State variables are readily and easily available on both the server and client side. Not so much with Session vars.

                              If, indeed, you have 3 source databases... I'd have to first as why. Then, if you're stuck with that, you'll need to determine if you can actually do with 1 List or need 3. Each List would live it it's own PanelCard. Overall, it depends on what you're trying to achieve.

                              Comment

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