Ensure disposing ValueNotifiers

AhmedLSayed9 · AhmedLSayed9 · commit dff3e4ae3b1b · 2023-10-28T19:08:38.000+02:00
diff --git a/packages/dropdown_button2/lib/src/dropdown_button2.dart b/packages/dropdown_button2/lib/src/dropdown_button2.dart
@@ -420,6 +420,8 @@ class DropdownButton2State<T> extends State<DropdownButton2<T>>
     WidgetsBinding.instance.removeObserver(this);
     _removeDropdownRoute();
     _internalNode?.dispose();
+    _isMenuOpen.dispose();
+    _rect.dispose();
     super.dispose();
   }
 

Original file line number	Diff line number	Diff line change
`@@ -420,6 +420,8 @@ class DropdownButton2State<T> extends State<DropdownButton2<T>>`
`420`	`420`	`WidgetsBinding.instance.removeObserver(this);`
`421`	`421`	`_removeDropdownRoute();`
`422`	`422`	`_internalNode?.dispose();`
	`423`	`+ _isMenuOpen.dispose();`
	`424`	`+ _rect.dispose();`
`423`	`425`	`super.dispose();`
`424`	`426`	`}`
`425`	`427`