Merge pull request #7 from durbek03/fix_focusnode

bug with focusNode dispose() fixed

Author: durbek03

README.md

@@ -9,7 +9,7 @@ Add the `ios_search_appbar` package to your `pubspec.yaml` file:
 
 ```yaml
 dependencies:
-  ios_search_appbar: ^1.0.2
+  ios_search_appbar: ^1.0.3
 
 ```
 Import the package in your Dart code:

lib/src/cupertino_search_appbar.dart

@@ -61,10 +61,11 @@ class _CupertinoSearchAppBarState extends State<CupertinoSearchAppBar> {
 
   @override
   void dispose() {
+    super.dispose();
     scrollController.dispose();
-    SearchFieldProperties.focusNode.dispose();
+    SearchFieldProperties.focusNode?.dispose();
+    SearchFieldProperties.focusNode = null;
     SearchFieldProperties.controller.dispose();
-    super.dispose();
   }
 
 
@@ -78,8 +79,8 @@ class _CupertinoSearchAppBarState extends State<CupertinoSearchAppBar> {
   Widget build(BuildContext context) {
     return GestureDetector(
       onTap: () {
-        if (SearchFieldProperties.focusNode.hasFocus) {
-          SearchFieldProperties.focusNode.unfocus();
+        if (SearchFieldProperties.focusNode!.hasFocus) {
+          SearchFieldProperties.focusNode!.unfocus();
         }
       },
       child: NotificationListener(

lib/src/properties/search_field_props.dart

@@ -36,11 +36,13 @@ class SearchFieldProperties {
     }
     if (focusNode != null) {
       SearchFieldProperties.focusNode = focusNode;
+    } else {
+      SearchFieldProperties.focusNode = FocusNode();
     }
   }
 
   static TextEditingController controller = TextEditingController();
-  static FocusNode focusNode = FocusNode();
+  static FocusNode? focusNode;
 
   final ValueChanged<String>? onChanged;
   final ValueChanged<String>? onSubmitted;

lib/src/search_field.dart

@@ -45,7 +45,6 @@ class _SearchFieldState extends State<SearchField> {
 
   @override
   Widget build(BuildContext context) {
-    print("qwe media width ${MediaQuery.of(context).size.width}");
     return ValueListenableBuilder(
       valueListenable: widget.viewModel.searchHeight,
       builder: (BuildContext context, double value, Widget? child) {
@@ -98,7 +97,7 @@ class _SearchFieldState extends State<SearchField> {
                         child: CupertinoSearchTextField(
                           onSuffixTap: () {
                             SearchFieldProperties.controller.text = "";
-                            SearchFieldProperties.focusNode.requestFocus();
+                            SearchFieldProperties.focusNode!.requestFocus();
                             widget.properties.onSuffixTap?.call();
                           },
                           suffixIcon: widget.properties.suffixIcon,
@@ -147,7 +146,7 @@ class _SearchFieldState extends State<SearchField> {
                             onTap: () async {
                               widget.properties.onCancelTap?.call();
                               await widget.viewModel.cancelSearch(
-                                  SearchFieldProperties.controller, widget.scrollController, SearchFieldProperties.focusNode);
+                                  SearchFieldProperties.controller, widget.scrollController, SearchFieldProperties.focusNode!);
                               widget.viewModel.changeAppBarCollapseState(false, SearchFieldProperties.controller.text);
                               widget.viewModel.changeCancelSearch(false);
                             },

pubspec.yaml

@@ -1,6 +1,6 @@
 name: ios_search_appbar
 description: iOS-style collapsible app bar with beautifully animated search bar
-version: 1.0.2
+version: 1.0.3
 homepage: https://github.com/durbek03/ios_search_appbar
 
 environment: