refactor: remove unused key parameters

Author: gonuit

lib/src/delegates/material_indicator_delegate.dart

@@ -122,12 +122,11 @@ class _PositionedIndicatorContainer extends StatelessWidget {
   /// Position child widget in a similar way
   /// to the built-in [RefreshIndicator] widget.
   const _PositionedIndicatorContainer({
-    Key? key,
     required this.child,
     required this.controller,
     required this.displacement,
     required this.edgeOffset,
-  }) : super(key: key);
+  });
 
   Alignment _getAlignement(IndicatorSide side) {
     switch (side) {
@@ -219,8 +218,8 @@ class _InfiniteRotation extends StatefulWidget {
   const _InfiniteRotation({
     required this.child,
     required this.running,
-    Key? key,
-  }) : super(key: key);
+  });
+
   @override
   _InfiniteRotationState createState() => _InfiniteRotationState();
 }

lib/src/widgets/custom_material_indicator.dart

@@ -187,12 +187,11 @@ class _PositionedIndicatorContainer extends StatelessWidget {
   /// Position child widget in a similar way
   /// to the built-in [RefreshIndicator] widget.
   const _PositionedIndicatorContainer({
-    Key? key,
     required this.child,
     required this.controller,
     required this.displacement,
     required this.edgeOffset,
-  }) : super(key: key);
+  });
 
   Alignment _getAlignement(IndicatorSide side) {
     switch (side) {
@@ -289,8 +288,8 @@ class _InfiniteRotation extends StatefulWidget {
   const _InfiniteRotation({
     required this.child,
     required this.running,
-    Key? key,
-  }) : super(key: key);
+  });
+
   @override
   _InfiniteRotationState createState() => _InfiniteRotationState();
 }

test/src/custom_refresh_indicator_test.dart

@@ -48,12 +48,12 @@ class DefaultList extends StatelessWidget {
   final ScrollPhysics physics;
 
   const DefaultList({
-    Key? key,
+    super.key,
     required this.itemsCount,
     this.reverse = false,
     this.controller,
     this.physics = const AlwaysScrollableScrollPhysics(),
-  }) : super(key: key);
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -1205,6 +1205,7 @@ void main() {
         IndicatorState.idle
       ]),
     );
+
     /// Builder methos is called only on state changes
     expect(rebuildsCount, equals(states.length));
     expect(indicatorChangesCount, greaterThan(rebuildsCount));