refactor : clears hint text after click close on appbar

lib/src/floating_search_app_bar.dart

-// ignore_for_file: public_member_api_docs
+// ignore_for_file: public_member_api_docs, must_be_immutable, doc_directive_has_extra_arguments
 
 part of 'floating_search_bar.dart';
 
@@ -12,7 +12,7 @@ typedef OnFocusChangedCallback = void Function(bool isFocused);
 /// This can be considered the base Widget for the full
 /// [FloatingSearchBar].
 class FloatingSearchAppBar extends ImplicitlyAnimatedWidget {
-  const FloatingSearchAppBar({
+  FloatingSearchAppBar({
     Key? key,
     Duration implicitDuration = const Duration(milliseconds: 500),
     Curve implicitCurve = Curves.linear,
@@ -154,7 +154,7 @@ class FloatingSearchAppBar extends ImplicitlyAnimatedWidget {
   final Widget? title;
 
   /// {@macro floating_search_bar.hint}
-  final String? hint;
+  String? hint;
 
   /// {@macro floating_search_bar.actions}
   final List<Widget>? actions;
@@ -212,15 +212,11 @@ class FloatingSearchAppBarState extends ImplicitlyAnimatedWidgetState<
 
           if (status == AnimationStatus.dismissed) {
             if (widget.clearQueryOnClose) {
-              if (widget.autoRemoveControllerValue == null) {
-                clear();
-              } else {
-                if (widget.autoRemoveControllerValue! == true) {
+              if (widget.autoRemoveControllerValue == null || widget.autoRemoveControllerValue! == true) {
                 clear();
               }
             }
           }
-          }
         });
 
   late CurvedAnimation transitionAnimation = CurvedAnimation(
@@ -382,7 +378,15 @@ class FloatingSearchAppBarState extends ImplicitlyAnimatedWidgetState<
     _input.clearFocus();
   }
 
-  void clear() => _input.clear();
+  void clear() {
+    final bool hasQuery = !widget.clearQueryOnClose && query.isNotEmpty;
+    if (hasQuery == true) {
+      setState(() {
+        widget.hint = '';
+      });
+    }
+    _input.clear();
+  }
 
   void _assignController() => widget.controller?._appBarState = this;
 

lib/src/floating_search_bar.dart

+// ignore_for_file: doc_directive_has_extra_arguments
+
 import 'dart:math';
 import 'dart:ui';