Does anyone know what android:isScrollCOntainer = (boolean) or $(View).setScrollContainer(boolean) do?

At first I thought this would be the answer to set a View inside a ScrollView NOT to scroll with ScrollView, but it doesn't seem to be the case.

On Android Developers it says,

"Set this if the view will serve as a scrolling container, meaning that it can be resized to shrink its overall window so that there will be space for an input method. "

Can anyone kindly explain what this description means?
What is a scrolling container in this case?
What kind of input method is available?

android view scroll
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