Is there any tested and usable component we can use to show “Count selector” like this?
Our target is to get it working from API v7 .

(Taken from DatePickerDialog)
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After some deep testing and using, this is a list of usable Picker widget libraries
When kindly omitted the solution in accepted answer, these widget libraries are very usable if you need alter the design, and you like the way iOS does the wheel slider picker.