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Fix image grid recreated on every build

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Ming Ming 2021-09-28 18:47:41 +08:00
parent f7ed6d1a01
commit c494a9f33e
1 changed files with 9 additions and 1 deletions
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10
lib/widget/measurable_item_list.dart
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@ -129,7 +129,7 @@ class _MeasurableItemListState extends State<MeasurableItemList>
// this unique token is there to keep the global key unique // this unique token is there to keep the global key unique
final _uniqueToken = const Uuid().v4(); final _uniqueToken = const Uuid().v4();
late GlobalObjectKey _gridKey; late _GridKey _gridKey;
static final _log = static final _log =
Logger("widget.measurable_item_list._MeasurableItemListState"); Logger("widget.measurable_item_list._MeasurableItemListState");
@ -137,4 +137,12 @@ class _MeasurableItemListState extends State<MeasurableItemList>
class _GridKey extends GlobalObjectKey { class _GridKey extends GlobalObjectKey {
const _GridKey(Object value) : super(value); const _GridKey(Object value) : super(value);
@override
operator ==(Object other) {
return other is _GridKey && value == other.value;
}
@override
get hashCode => value.hashCode;
} }