diff --git a/analysis_options.yaml b/analysis_options.yaml
index a5744c1..5623e76 100644
--- a/analysis_options.yaml
+++ b/analysis_options.yaml
@@ -1,4 +1,7 @@
+
 include: package:flutter_lints/flutter.yaml
 
-# Additional information about this file can be found at
-# https://dart.dev/guides/language/analysis-options
+linter:
+
+  rules:
+    avoid_print: true  # Uncomment to disable the `avoid_print` rule
\ No newline at end of file
diff --git a/example/lib/main.dart b/example/lib/main.dart
index 6d3ef02..bea4976 100644
--- a/example/lib/main.dart
+++ b/example/lib/main.dart
@@ -1,3 +1,4 @@
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_simple_multiselect/flutter_simple_multiselect.dart';
 
@@ -38,22 +39,22 @@ class _MyHomePageState extends State<MyHomePage> {
   final _formKey = GlobalKey<FormState>();
 
   List<Map<String, dynamic>> testData = [
-    {"uuid": 1, "name": "Alfred Johanson"},
-    {"uuid": 2, "name": "Goran Borovic"},
-    {"uuid": 3, "name": "Ivan Horvat"},
-    {"uuid": 4, "name": "Bjorn Sigurdson"}
+    {'uuid': 1, 'name': 'Alfred Johanson'},
+    {'uuid': 2, 'name': 'Goran Borovic'},
+    {'uuid': 3, 'name': 'Ivan Horvat'},
+    {'uuid': 4, 'name': 'Bjorn Sigurdson'}
   ];
 
   Future<List<Map<String, dynamic>>> searchFunction(query) async {
     return testData.where((element) {
-      return element["name"].toLowerCase().contains(query.toLowerCase());
+      return element['name'].toLowerCase().contains(query.toLowerCase());
     }).toList();
   }
 
   Future<List<Map<String, dynamic>>> searchFunctionAsync(query) async {
     return Future.delayed(const Duration(seconds: 1), () {
       return testData.where((element) {
-        return element["name"].toLowerCase().contains(query.toLowerCase());
+        return element['name'].toLowerCase().contains(query.toLowerCase());
       }).toList();
     });
   }
@@ -83,21 +84,21 @@ class _MyHomePageState extends State<MyHomePage> {
                   children: <Widget>[
                     const Padding(
                         padding: EdgeInsets.only(bottom: 10),
-                        child: Text("Static data multiselect")),
+                        child: Text('Static data multiselect')),
                     _staticData(),
                     const Padding(
                         padding: EdgeInsets.only(bottom: 10, top: 20),
-                        child: Text("Async data multiselect")),
+                        child: Text('Async data multiselect')),
                     _asyncData(),
                     const Padding(
                         padding: EdgeInsets.only(bottom: 10, top: 20),
-                        child: Text("Data single select")),
+                        child: Text('Data single select')),
                     _staticSingleData(),
                     Padding(
                       padding: const EdgeInsets.symmetric(vertical: 16.0),
                       child: Center(
                         child: ElevatedButton(
-                          child: Text("submit"),
+                          child: const Text('submit'),
                           onPressed: () {
                             // Validate returns true if the form is valid, or false otherwise.
                             if (_formKey.currentState!.validate()) {}
@@ -123,9 +124,11 @@ class _MyHomePageState extends State<MyHomePage> {
         borderRadius: 5,
         borderSize: 1,
         validator: (value) {
-          print("--- ${value}");
-          if (value == null || value == "") {
-            return "Required";
+          if (kDebugMode) {
+            print('--- $value');
+          }
+          if (value == null || value == '') {
+            return 'Required';
           }
           return null;
         },
@@ -135,7 +138,7 @@ class _MyHomePageState extends State<MyHomePage> {
         length: 1,
         tagBuilder: (context, index) => SelectTag(
               index: index,
-              label: selectedItems[index]["name"],
+              label: selectedItems[index]['name'],
               onDeleted: (value) {
                 selectedItems.removeAt(index);
                 setState(() {});
@@ -150,12 +153,12 @@ class _MyHomePageState extends State<MyHomePage> {
                 selectedColor: Colors.white,
                 selectedTileColor: Colors.green,
                 dense: true,
-                title: Text(data["name"].toString()),
+                title: Text(data['name'].toString()),
                 onTap: () {
                   singleItem = existing ? null : data;
 
                   state.selectAndClose(data,
-                      singleItem != null ? singleItem!["name"].toString() : "");
+                      singleItem != null ? singleItem!['name'].toString() : '');
                   setState(() {});
                 }),
           );
@@ -187,7 +190,7 @@ class _MyHomePageState extends State<MyHomePage> {
         length: selectedItems.length,
         tagBuilder: (context, index) => SelectTag(
               index: index,
-              label: selectedItems[index]["name"],
+              label: selectedItems[index]['name'],
               onDeleted: (value) {
                 selectedItems.removeAt(index);
                 setState(() {});
@@ -195,7 +198,7 @@ class _MyHomePageState extends State<MyHomePage> {
             ),
         suggestionBuilder: (context, state, data) {
           var existingIndex = selectedItems
-              .indexWhere((element) => element["uuid"] == data["uuid"]);
+              .indexWhere((element) => element['uuid'] == data['uuid']);
           var selectedData = data;
           return Material(
             child: ListTile(
@@ -204,7 +207,7 @@ class _MyHomePageState extends State<MyHomePage> {
                 trailing: existingIndex >= 0 ? const Icon(Icons.check) : null,
                 selectedColor: Colors.white,
                 selectedTileColor: Colors.green,
-                title: Text(selectedData["name"].toString()),
+                title: Text(selectedData['name'].toString()),
                 onTap: () {
                   if (existingIndex >= 0) {
                     selectedItems.removeAt(existingIndex);
@@ -241,9 +244,11 @@ class _MyHomePageState extends State<MyHomePage> {
         resetTextOnSubmitted: true,
         minTextFieldWidth: 300,
         validator: (value) {
-          print("--- ${selectedItemsAsync.length}");
+          if (kDebugMode) {
+            print('--- ${selectedItemsAsync.length}');
+          }
           if (selectedItemsAsync.length < 2) {
-            return "Min 2 items required";
+            return 'Min 2 items required';
           }
           return null;
         },
@@ -252,7 +257,7 @@ class _MyHomePageState extends State<MyHomePage> {
         isLoading: isLoading,
         tagBuilder: (context, index) => SelectTag(
               index: index,
-              label: selectedItemsAsync[index]["name"],
+              label: selectedItemsAsync[index]['name'],
               onDeleted: (value) {
                 selectedItemsAsync.removeAt(index);
                 setState(() {});
@@ -260,7 +265,7 @@ class _MyHomePageState extends State<MyHomePage> {
             ),
         suggestionBuilder: (context, state, data) {
           var existingIndex = selectedItemsAsync
-              .indexWhere((element) => element["uuid"] == data["uuid"]);
+              .indexWhere((element) => element['uuid'] == data['uuid']);
           var selectedData = data;
           return Material(
               child: ListTile(
@@ -268,10 +273,10 @@ class _MyHomePageState extends State<MyHomePage> {
                   trailing: existingIndex >= 0 ? const Icon(Icons.check) : null,
                   selectedColor: Colors.white,
                   selectedTileColor: Colors.green,
-                  title: Text(selectedData["name"].toString()),
+                  title: Text(selectedData['name'].toString()),
                   onTap: () {
                     var existingIndex = selectedItemsAsync.indexWhere(
-                        (element) => element["uuid"] == data["uuid"]);
+                        (element) => element['uuid'] == data['uuid']);
                     if (existingIndex >= 0) {
                       selectedItemsAsync.removeAt(existingIndex);
                     } else {
diff --git a/lib/flutter_multiselect_layout.dart b/lib/flutter_multiselect_layout.dart
index 084e557..25aeb76 100644
--- a/lib/flutter_multiselect_layout.dart
+++ b/lib/flutter_multiselect_layout.dart
@@ -6,8 +6,8 @@ import './flutter_multiselect_layout_delegate.dart';
 /// overrided [createRenderObject] to use custom [RenderCustomMultiChildLayoutBox]
 class FlutterMultiselectLayout extends CustomMultiChildLayout {
   FlutterMultiselectLayout({
-    Key? key,
     required FlutterMultiselectLayoutDelegate delegate,
+    Key? key,
     List<Widget> children = const <Widget>[],
   }) : super(key: key, children: children, delegate: delegate);
 
diff --git a/lib/flutter_multiselect_layout_delegate.dart b/lib/flutter_multiselect_layout_delegate.dart
index 5d230c6..fd7067b 100644
--- a/lib/flutter_multiselect_layout_delegate.dart
+++ b/lib/flutter_multiselect_layout_delegate.dart
@@ -2,6 +2,8 @@ import 'dart:math';
 import 'package:flutter/material.dart';
 import 'package:flutter/rendering.dart';
 
+/// This is the layout delegate that is used to layout the tags and the text field.
+/// It is used in [FlutterMultiselectLayout]
 class FlutterMultiselectLayoutDelegate extends MultiChildLayoutDelegate {
   FlutterMultiselectLayoutDelegate(
       {required this.length,
@@ -86,7 +88,7 @@ class FlutterMultiselectLayoutDelegate extends MultiChildLayoutDelegate {
 
     var textFieldSize = Size.zero;
 
-    //* Layout the textbox
+    //* Layout the TextBox
     if (hasChild(textFieldId)) {
       final currentRowWidth = tagSizes.fold<double>(0, (result, tag) {
         return result + tag.width;
@@ -94,7 +96,7 @@ class FlutterMultiselectLayoutDelegate extends MultiChildLayoutDelegate {
       final spacingWidth = spacing * max(tagSizes.length - 1, 0);
       final leftOverWidth = size.width - currentRowWidth - spacingWidth;
       final textWidth = max(leftOverWidth, minTextFieldWidth);
-      //* Check if Textbox is overflowing
+      //* Check if TextBox is overflowing
       //* Check if overflowing
       if (_isOverflow(
         childWidth: textWidth,
diff --git a/lib/flutter_multiselect_render_layout_box.dart b/lib/flutter_multiselect_render_layout_box.dart
index 833bee0..9355952 100644
--- a/lib/flutter_multiselect_render_layout_box.dart
+++ b/lib/flutter_multiselect_render_layout_box.dart
@@ -6,8 +6,8 @@ import 'flutter_multiselect_layout_delegate.dart';
 class FlutterMultiselectRenderLayoutBox
     extends RenderCustomMultiChildLayoutBox {
   FlutterMultiselectRenderLayoutBox({
-    List<RenderBox>? children,
     required FlutterMultiselectLayoutDelegate delegate,
+    List<RenderBox>? children,
   }) : super(children: children, delegate: delegate);
 
   @override
diff --git a/lib/flutter_simple_multiselect.dart b/lib/flutter_simple_multiselect.dart
index 90ca777..b4e2258 100644
--- a/lib/flutter_simple_multiselect.dart
+++ b/lib/flutter_simple_multiselect.dart
@@ -20,12 +20,12 @@ typedef SearchSuggestions<T> = FutureOr<List<T>> Function();
 /// email address input widget in the iOS app.
 class FlutterMultiselect<T> extends StatefulWidget {
   const FlutterMultiselect(
-      {required this.length,
-      this.minTextFieldWidth = 160.0,
-      this.tagSpacing = 4.0,
-      required this.tagBuilder,
+      {required this.tagBuilder,
       required this.suggestionBuilder,
       required this.findSuggestions,
+      required this.length,
+      this.minTextFieldWidth = 160.0,
+      this.tagSpacing = 4.0,
       Key? key,
       this.focusNode,
       this.isLoading = false,
@@ -176,15 +176,18 @@ class FlutterMultiselectState<T> extends State<FlutterMultiselect<T>> {
     _focusNode = (widget.focusNode ?? FocusNode())
       ..addListener(_onFocusChanged);
 
-    if (widget.activateSuggestionBox) _initializeSuggestionBox();
+    if (widget.activateSuggestionBox) {
+      _initializeSuggestionBox();
+    }
   }
 
   @override
   void dispose() {
     developer.log('FlutterMultiselectState::dispose():');
     if (widget.autoDisposeFocusNode || widget.focusNode == null) {
-      _focusNode.removeListener(_onFocusChanged);
-      _focusNode.dispose();
+      _focusNode
+        ..removeListener(_onFocusChanged)
+        ..dispose();
     }
     _suggestionsStreamController?.close();
     _suggestionsBoxController?.close();
@@ -211,7 +214,7 @@ class FlutterMultiselectState<T> extends State<FlutterMultiselect<T>> {
   void _onFocusChanged() {
     if (_focusNode.hasFocus) {
       _scrollToVisible();
-      _onSearchChanged("");
+      _onSearchChanged('');
       _suggestionsBoxController?.open();
     } else {
       _suggestionsBoxController?.close();
@@ -260,27 +263,30 @@ class FlutterMultiselectState<T> extends State<FlutterMultiselect<T>> {
                           widget.suggestionsBoxRadius ?? 20),
                       color:
                           widget.suggestionsBoxBackgroundColor ?? Colors.white,
-                      child: Container(
-                          decoration: BoxDecoration(
+                      child: ConstrainedBox(
+                        constraints:
+                            BoxConstraints(maxHeight: suggestionBoxHeight),
+                        child: DecoratedBox(
+                            decoration: BoxDecoration(
                               color: widget.suggestionsBoxBackgroundColor ??
                                   Colors.white,
                               borderRadius: BorderRadius.all(Radius.circular(
-                                  widget.suggestionsBoxRadius ?? 0))),
-                          constraints:
-                              BoxConstraints(maxHeight: suggestionBoxHeight),
-                          child: ListView.builder(
-                            shrinkWrap: true,
-                            padding:
-                                widget.suggestionPadding ?? EdgeInsets.zero,
-                            itemCount: snapshot.data!.length,
-                            itemBuilder: (context, index) {
-                              return _suggestions != null &&
-                                      _suggestions?.isNotEmpty == true
-                                  ? widget.suggestionBuilder(
-                                      context, this, _suggestions![index]!)
-                                  : Container();
-                            },
-                          )),
+                                  widget.suggestionsBoxRadius ?? 0)),
+                            ),
+                            child: ListView.builder(
+                              shrinkWrap: true,
+                              padding:
+                                  widget.suggestionPadding ?? EdgeInsets.zero,
+                              itemCount: snapshot.data!.length,
+                              itemBuilder: (context, index) {
+                                return _suggestions != null &&
+                                        _suggestions?.isNotEmpty == true
+                                    ? widget.suggestionBuilder(
+                                        context, this, _suggestions![index]!)
+                                    : const SizedBox.shrink();
+                              },
+                            )),
+                      ),
                     ),
                   ),
                 );
@@ -299,11 +305,11 @@ class FlutterMultiselectState<T> extends State<FlutterMultiselect<T>> {
                   ),
                 );
               }
-              return Container();
+              return const SizedBox.shrink();
             },
           );
         }
-        return Container();
+        return const SizedBox.shrink();
       },
     );
   }
@@ -338,7 +344,7 @@ class FlutterMultiselectState<T> extends State<FlutterMultiselect<T>> {
     Future.delayed(const Duration(milliseconds: 300), () {
       WidgetsBinding.instance.addPostFrameCallback((_) async {
         final renderBox = context.findRenderObject() as RenderBox;
-        await Scrollable.of(context)?.position.ensureVisible(renderBox);
+        await Scrollable.of(context).position.ensureVisible(renderBox);
       });
     });
   }
@@ -349,7 +355,7 @@ class FlutterMultiselectState<T> extends State<FlutterMultiselect<T>> {
     if (widget.multiselect) {
       _resetTextField();
     } else {
-      _textFieldController.text = newString ?? "";
+      _textFieldController.text = newString ?? '';
     }
   }
 
@@ -367,7 +373,7 @@ class FlutterMultiselectState<T> extends State<FlutterMultiselect<T>> {
 
   @override
   Widget build(BuildContext context) {
-    InputDecoration customDec = widget.inputDecoration ??
+    final InputDecoration customDec = widget.inputDecoration ??
         InputDecoration(
           errorBorder: widget.multiselect
               ? OutlineInputBorder(
@@ -400,7 +406,7 @@ class FlutterMultiselectState<T> extends State<FlutterMultiselect<T>> {
                 color: Colors.transparent,
                 width: 0,
               )),
-          hintText: "Type to search",
+          hintText: 'Type to search',
         );
     final decoration = widget.isLoading
         ? customDec.copyWith(
@@ -461,7 +467,7 @@ class FlutterMultiselectState<T> extends State<FlutterMultiselect<T>> {
                             ? TextFormField(
                                 onTap: () {
                                   if (_isFocused) {
-                                    _onSearchChanged("");
+                                    _onSearchChanged('');
                                   }
                                 },
                                 validator: (value) {
@@ -538,11 +544,11 @@ class FlutterMultiselectState<T> extends State<FlutterMultiselect<T>> {
                                             color: Colors.transparent,
                                             width: 0.1,
                                           )),
-                                      hintText: "",
+                                      hintText: '',
                                     ),
                                     onTap: () {
                                       if (_isFocused) {
-                                        _onSearchChanged("");
+                                        _onSearchChanged('');
                                       }
                                     },
                                     validator: (value) {
@@ -560,7 +566,7 @@ class FlutterMultiselectState<T> extends State<FlutterMultiselect<T>> {
                         : TextFormField(
                             onTap: () {
                               if (_isFocused) {
-                                _onSearchChanged("");
+                                _onSearchChanged('');
                               }
                             },
                             validator: (value) {
@@ -625,7 +631,7 @@ class FlutterMultiselectState<T> extends State<FlutterMultiselect<T>> {
             itemChild,
             CompositedTransformTarget(
               link: _layerLink,
-              child: Container(),
+              child: const SizedBox.shrink(),
             ),
           ],
         ),
diff --git a/lib/suggestions_box_controller.dart b/lib/suggestions_box_controller.dart
index d16c839..05de456 100644
--- a/lib/suggestions_box_controller.dart
+++ b/lib/suggestions_box_controller.dart
@@ -1,5 +1,6 @@
 import 'package:flutter/material.dart';
 
+/// This is a simple controller that can be used to open and close the suggestions box.
 class SuggestionsBoxController {
   final BuildContext context;
 
@@ -14,7 +15,7 @@ class SuggestionsBoxController {
   void open() {
     if (_isOpened) return;
     assert(overlayEntry != null);
-    Overlay.of(context)?.insert(overlayEntry!);
+    Overlay.of(context).insert(overlayEntry!);
     _isOpened = true;
   }
 
diff --git a/pubspec.yaml b/pubspec.yaml
index 19300f5..00db62d 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: flutter_simple_multiselect
 description: Flutter simple multiselect project that can be used with static or async values, also it can be used as single or multiselect and everything is customizable.
-version: 1.0.0
+version: 1.0.1
 homepage: https://github.com/vbalagovic/flutter_simple_multiselect.git
 
 environment:
@@ -11,12 +11,12 @@ dependencies:
   debounce_throttle: ^2.0.0
   flutter:
     sdk: flutter
-  pointer_interceptor: ^0.9.3+3
+  pointer_interceptor: ^0.9.3+4
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
-  flutter_lints: ^2.0.0
+  flutter_lints: ^2.0.1
 
 # For information on the generic Dart part of this file, see the
 # following page: https://dart.dev/tools/pub/pubspec