Click a button to scroll to a particular position on scroll bar in vertical scrollable alignment

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1

I am making a food ordering app with 2 panels on one screen, one left panel acting as a menu with buttons such as lunch set or tea set and another right panel displaying dishes with vertical scrollable alignment. Using finger to scroll to a particular dishes has no problem. But I could not achieve the following :
when I want to click one of the buttons in the menu, the panel in the right can scroll to the right dish.

2

You can force a ListView to appear as if it has been scrolled if you temporarily clip off the front of its list of Elements. This is similar to sliding a fixed size window across a list, using a thin Canvas.

Here is a sample...

Another...

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