Flutter Listview Continuous Auto Scroll Back and Forth Using Recursion

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[Erwasen]

Man, Thank you so much! This helped me immensely!

[buracadorin]

Thanks for this great tutorial, I have a question, it's possible to pause the scroll when the user tap on List and let the user to control the list, and after user release the onTap to start tha animation again?
P.S: also how can set the list to scroll in loop continuous? Thanks and keep up the good work!

[sherifsaidelahl]

Hello,
Perfect. I just need to add to the same lists the ability to scroll it manually. How can I do that?

[omkarbojjawar]

If you want to pause and normally access the scroll, and child widgets, you can do the following:

bool keepScrolling = true;
animateToMaxMin(double max, double min, double direction, int seconds, ScrollController scrollController) {
if (scrollController.hasClients && keepScrolling) {
scrollController
.animateTo(direction, duration: Duration(seconds: seconds), curve: Curves.linear)
.then((value) {
if (scrollController.hasClients) {
direction = direction == max ? min : max;
animateToMaxMin(max, min, direction, seconds, scrollController);
}
});
}
}


and

@override
Widget build(BuildContext context) {
return Listener(
onPointerDown: (_) {
keepScrolling = false; //add this listener
},
child: Container /// rest of the code