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fluttergesture

In Flutter, how can a child widget prevent the scrolling of its scrollable parent?

I have a scrollable widget, say a ListView, which contains some special widget.

How can I prevent the scrollable to scroll when the user tries to scroll by starting to scroll on top of that widget?

In other words, I want that widget to be like a "hole" that prevents the scrollable to sense gestures there.

Solution

  • Wrap the widget with GestureDetector and implement empty gesture functions in it.

    GestureDetector(
   onVerticalDragUpdate: (_) {},
   child: YourWidget
),