Flutter IndexedStack same scrolling height in Multi children - flutter

Flutter IndexedStack when I use multi Children iside it. It show past Scroll in that. And a big white space bottom

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cant put widgets horizontally like row in flutter_tex

The flutter_tex has TeXViewColumn for set widgets vertically, but there isn't anything for put data horizontally like a row.
I want to use flutter_tex's widgets because flutter widgets render very slow.
Is there a solution?

Scrollbar + any scroll widget bug on scrolling in web

I need to use Scrollbar widget for web as it enables scrollbar always on AND the ability to edit its size and width. I also have to use it with a child that is scrollable (singlechildescrollview, listview, etc), but after updating to flutter 2.2, I've seen that 2 scrollbars appear on screen and keeps buging the experience (can be seen when changing the size of the scrollbar in the parent).
I've tryed to disable the scrolling in the child, but its scrollbar still shows. I cant use the default scrollbar in the child, as its more geared towards mobile.
Fixed using rawascrollbar. It removes any padding when pressing on the side of the screen, and gives the ability to change the color of scrollbar (that way hides the child scroll). Better then the Scrollbar widget.

Flutter: seperate scrollable views in the same screen

Hi, I want to have the similar scrollable widgets in one screen. I did research the SingleChildScrollView and NestedScrollView but I found they cannot have the result I want as the picture illustrated above. The scrollable items on the top is like a ListView while the large container below is more like a pageview that will scroll the whole container with 4 small containers to be swiped horizontally. Thanks a lot.

Flutter scrollable list inside overlay

My question is similar to this How to make my page scrollable when i show overlay element, that have too many items in flutter? but it has no answers so I'll try to ask as well:
I have an Overlay showing a list of questions using ListView. The list of questions is long and I need to enable scrolling inside the Overlay.
Now it's static and part of it disappears at the bottom of the mobile device.
Why is not just scrollable (since the list inside the Overlay is inside a ListView) and is there a way to make it scrollable?
Thanks in advance for any help!
UPDATE (SOLVED) :
The problem was that the ListView widget is inside a Positioned widget and the top, left, bottom and width values (in my case) need to be set in order for the content to be scrollable.
The problem was that the ListView widget is inside a Positioned widget and the top, left,bottom and width values (in my case) need to be set in order for the content to be scrollable.

create expand collapse image when scroll listview

example
I want to create some applications with widget ListView. When you scrolling up, image at first index will be expanded, and if you scroll again, next image will be expanded again, and if you scrolling down, image will be collapsed again.
Is it possible to create this with flutter?