scrollToIndex method
Future<void>
scrollToIndex(
- int targetIndex
)
Implementation
Future<void> scrollToIndex(int targetIndex) async {
if (targetIndex == -1) {
return;
}
while (true) {
final key = dataGroups.itemsKeys[targetIndex];
if (key == null) {
await Future.delayed(const Duration(milliseconds: 50));
continue;
}
final context = key.currentContext;
if (context != null && context.mounted) {
await Scrollable.ensureVisible(
context,
duration: const Duration(milliseconds: 1),
curve: Curves.easeInOut,
);
break;
} else {
await animateTo(
offset + 400,
duration: const Duration(milliseconds: 1),
curve: Curves.linear,
);
}
if (position.pixels >= position.maxScrollExtent) {
break;
}
}
}