Add dispose to restoration example (#63497)

7dfb997e · Michael Goderbauer · GitHub · c13b354a · 7dfb997e
Unverified Commit 7dfb997e authored Aug 11, 2020 by Michael Goderbauer Committed by GitHub Aug 11, 2020
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restoration.dart packages/flutter/lib/src/widgets/restoration.dart +6 -0

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--- a/packages/flutter/lib/src/widgets/restoration.dart
+++ b/packages/flutter/lib/src/widgets/restoration.dart
@@ -664,6 +664,12 @@ abstract class RestorableProperty<T> extends ChangeNotifier {
 ///   }
 ///
 ///   @override
+///   void dispose() {
+///     _counter.dispose();
+///     super.dispose();
+///   }
+///
+///   @override
 ///   Widget build(BuildContext context) {
 ///     return Scaffold(
 ///       appBar: AppBar(