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並前往https://coderedirect.com/questions/658503/how-to-get-the-index-number-on-scroll-for-listview-in-flutter

How to get the index number on scroll for listview in flutter?

itemBuilder: (context, index) { return VisibilityDetector( key: Key(index.toString()), onVisibilityChanged: (VisibilityInfo info) { if (info.

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