dharmendraiosdev · janlionly · Sep 14, 2023 · Sep 14, 2023 · Sep 14, 2023 · Nov 14, 2023
diff --git a/example/lib/main.dart b/example/lib/main.dart
@@ -18,7 +18,7 @@ class MyApp extends StatelessWidget {
 }
 
 class MyHomePage extends StatefulWidget {
-  MyHomePage({Key key, this.title}) : super(key: key);
+  MyHomePage({Key? key, required this.title}) : super(key: key);
   final String title;
 
   @override

diff --git a/example/test/widget_test.dart b/example/test/widget_test.dart
@@ -8,7 +8,7 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 
-import 'package:example/main.dart';
+import '../lib/main.dart';
 
 void main() {
   testWidgets('Counter increments smoke test', (WidgetTester tester) async {

diff --git a/lib/flutter_section_list_view.dart b/lib/flutter_section_list_view.dart
@@ -1,72 +1,77 @@
-library flutter_section_list_view;
+// ignore_for_file: library_private_types_in_public_api
+
+// library flutter_section_list_view;
 
 import 'package:flutter/material.dart';
 
-typedef int NumberOfRowsCallBack(int section);
-typedef int NumberOfSectionCallBack();
-typedef Widget SectionWidgetCallBack(int section);
-typedef Widget RowsWidgetCallBack(int section, int row);
-typedef Future<void> LoadMoreData();
-typedef Future<void> RefreshList();
+typedef NumberOfRowsCallBack = int Function(int section);
+typedef NumberOfSectionCallBack = int Function();
+typedef SectionWidgetCallBack = Widget Function(int section);
+typedef RowsWidgetCallBack = Widget Function(int section, int row);
+typedef LoadMoreData = Future<void> Function();
+typedef RefreshList = Future<void> Function();
 
 // ignore: must_be_immutable
 class FlutterSectionListView extends StatefulWidget {
-  FlutterSectionListView({
-    this.numberOfSection,
-    @required this.numberOfRowsInSection,
-    this.sectionWidget,
-    @required this.rowWidget,
-  }) : assert(!(numberOfRowsInSection == null || rowWidget == null),
-            'numberOfRowsInSection and rowWidget are mandatory');
+  FlutterSectionListView({ 
+    required this.numberOfRowsInSection,
+    required this.rowWidget, this.numberOfSection, this.sectionWidget, this.physics,
+    Key? key,
+  }) : super(key: key);
 
   /// Defines the total number of sections
-  final NumberOfSectionCallBack numberOfSection;
+  final NumberOfSectionCallBack? numberOfSection;
 
   /// Mandatory callback method to get the rows count in each section
-  final NumberOfRowsCallBack numberOfRowsInSection;
+  final NumberOfRowsCallBack? numberOfRowsInSection;
 
   /// Callback method to get the section widget
-  final SectionWidgetCallBack sectionWidget;
+  final SectionWidgetCallBack? sectionWidget;
 
   /// Mandatory callback method to get the row widget
   final RowsWidgetCallBack rowWidget;
+
+  /// [ScrollPhysics] provided by that behavior will take precedence after[physics]
+  final ScrollPhysics? physics;
 
   /// A callback method used to load more data when listview reached to end.
-  LoadMoreData loadMoreData;
+  LoadMoreData? loadMoreData;
 
   /// Return false when there are no more pages to return
   bool isMoreAvailable = true;
 
   /// Handle this callback when need pull to refresh.
-  RefreshList refresh;
+  RefreshList? refresh;
 
   @override
   _FlutterSectionListViewState createState() => _FlutterSectionListViewState();
 }
 
 class _FlutterSectionListViewState extends State<FlutterSectionListView> {
   /// List of total number of rows and section in each group
-  var itemList = new List<int>();
+  List<int> itemList = [];
   bool isLoading = false;
   int itemCount = 0;
   int sectionCount = 0;
   final GlobalKey<RefreshIndicatorState> _refreshIndicatorKey =
-      new GlobalKey<RefreshIndicatorState>();
+      GlobalKey<RefreshIndicatorState>();
 
   @override
   void initState() {
-    sectionCount = widget.numberOfSection();
+    sectionCount = widget.numberOfSection!();
     itemCount = listItemCount();
     super.initState();
   }
 
   Future<void> refreshList() async {
-    await widget.refresh().whenComplete(() {
-      setState(() {
-        sectionCount = widget.numberOfSection();
-        itemCount = listItemCount();
+    if (widget.refresh != null) {
+      await widget.refresh!().whenComplete(() {
+        setState(() {
+          sectionCount = widget.numberOfSection!();
+          itemCount = listItemCount();
+        });
       });
-    });
+    }
   }
 
   @override
@@ -93,11 +98,11 @@ class _FlutterSectionListViewState extends State<FlutterSectionListView> {
                   setState(() {
                     isLoading = true;
                   });
-                  final Future<void> loadMoreResult = widget.loadMoreData();
+                  final Future<void> loadMoreResult = widget.loadMoreData!();
                   loadMoreResult.whenComplete(() {
                     setState(() {
                       isLoading = false;
-                      sectionCount = widget.numberOfSection();
+                      sectionCount = widget.numberOfSection!();
                       itemCount = listItemCount();
                     });
                   });
@@ -111,14 +116,15 @@ class _FlutterSectionListViewState extends State<FlutterSectionListView> {
                 return buildItemWidget(index);
               },
               key: widget.key,
+              physics: widget.physics,
             ),
           ),
         ),
         Container(
           height: isLoading ? 50.0 : 0,
           color: Colors.transparent,
-          child: Center(
-            child: new CircularProgressIndicator(),
+          child: const Center(
+            child: CircularProgressIndicator(),
           ),
         ),
       ],
@@ -127,12 +133,12 @@ class _FlutterSectionListViewState extends State<FlutterSectionListView> {
 
   /// Get the total count of items in list(including both row and sections)
   int listItemCount() {
-    itemList = new List<int>();
+    itemList = [];
     int rowCount = 0;
 
     for (int i = 0; i < sectionCount; i++) {
       /// Get the number of rows in each section using callback
-      int rows = widget.numberOfRowsInSection(i);
+      int rows = widget.numberOfRowsInSection!(i);
 
       /// Here 1 is added for each section in one group
       rowCount += rows + 1;
@@ -148,8 +154,8 @@ class _FlutterSectionListViewState extends State<FlutterSectionListView> {
     /// If the row number is -1 of any indexPath it will represent a section else row
     if (indexPath.row < 0) {
       return widget.sectionWidget != null
-          ? widget.sectionWidget(indexPath.section)
-          : SizedBox(
+          ? widget.sectionWidget!(indexPath.section)
+          : const SizedBox(
               height: 0,
             );
     } else {
@@ -175,7 +181,7 @@ class _FlutterSectionListViewState extends State<FlutterSectionListView> {
 
 /// Helper class for indexPath of each item in list
 class IndexPath {
-  IndexPath({this.section, this.row});
+  IndexPath({required this.section, required this.row});
 
   int section = 0;
   int row = 0;

diff --git a/pubspec.lock b/pubspec.lock
@@ -5,30 +5,50 @@ packages:
     dependency: transitive
     description:
       name: async
-      url: "https://pub.dartlang.org"
+      sha256: "947bfcf187f74dbc5e146c9eb9c0f10c9f8b30743e341481c1e2ed3ecc18c20c"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.3.0"
+    version: "2.11.0"
   boolean_selector:
     dependency: transitive
     description:
       name: boolean_selector
-      url: "https://pub.dartlang.org"
+      sha256: "6cfb5af12253eaf2b368f07bacc5a80d1301a071c73360d746b7f2e32d762c66"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.0.5"
-  charcode:
+    version: "2.1.1"
+  characters:
     dependency: transitive
     description:
-      name: charcode
-      url: "https://pub.dartlang.org"
+      name: characters
+      sha256: "04a925763edad70e8443c99234dc3328f442e811f1d8fd1a72f1c8ad0f69a605"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.2"
+    version: "1.3.0"
+  clock:
+    dependency: transitive
+    description:
+      name: clock
+      sha256: cb6d7f03e1de671e34607e909a7213e31d7752be4fb66a86d29fe1eb14bfb5cf
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.1.1"
   collection:
     dependency: transitive
     description:
       name: collection
-      url: "https://pub.dartlang.org"
+      sha256: "4a07be6cb69c84d677a6c3096fcf960cc3285a8330b4603e0d463d15d9bd934c"
+      url: "https://pub.flutter-io.cn"
+    source: hosted
+    version: "1.17.1"
+  fake_async:
+    dependency: transitive
+    description:
+      name: fake_async
+      sha256: "511392330127add0b769b75a987850d136345d9227c6b94c96a04cf4a391bf78"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.14.11"
+    version: "1.3.1"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -39,41 +59,46 @@ packages:
     description: flutter
     source: sdk
     version: "0.0.0"
-  matcher:
+  js:
     dependency: transitive
     description:
-      name: matcher
-      url: "https://pub.dartlang.org"
+      name: js
+      sha256: f2c445dce49627136094980615a031419f7f3eb393237e4ecd97ac15dea343f3
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "0.12.5"
-  meta:
+    version: "0.6.7"
+  matcher:
     dependency: transitive
     description:
-      name: meta
-      url: "https://pub.dartlang.org"
+      name: matcher
+      sha256: "6501fbd55da300384b768785b83e5ce66991266cec21af89ab9ae7f5ce1c4cbb"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.7"
-  path:
+    version: "0.12.15"
+  material_color_utilities:
     dependency: transitive
     description:
-      name: path
-      url: "https://pub.dartlang.org"
+      name: material_color_utilities
+      sha256: d92141dc6fe1dad30722f9aa826c7fbc896d021d792f80678280601aff8cf724
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.6.4"
-  pedantic:
+    version: "0.2.0"
+  meta:
     dependency: transitive
     description:
-      name: pedantic
-      url: "https://pub.dartlang.org"
+      name: meta
+      sha256: "3c74dbf8763d36539f114c799d8a2d87343b5067e9d796ca22b5eb8437090ee3"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.8.0+1"
-  quiver:
+    version: "1.9.1"
+  path:
     dependency: transitive
     description:
-      name: quiver
-      url: "https://pub.dartlang.org"
+      name: path
+      sha256: "8829d8a55c13fc0e37127c29fedf290c102f4e40ae94ada574091fe0ff96c917"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.0.5"
+    version: "1.8.3"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -83,57 +108,57 @@ packages:
     dependency: transitive
     description:
       name: source_span
-      url: "https://pub.dartlang.org"
+      sha256: dd904f795d4b4f3b870833847c461801f6750a9fa8e61ea5ac53f9422b31f250
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.5.5"
+    version: "1.9.1"
   stack_trace:
     dependency: transitive
     description:
       name: stack_trace
-      url: "https://pub.dartlang.org"
+      sha256: c3c7d8edb15bee7f0f74debd4b9c5f3c2ea86766fe4178eb2a18eb30a0bdaed5
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.9.3"
+    version: "1.11.0"
   stream_channel:
     dependency: transitive
     description:
       name: stream_channel
-      url: "https://pub.dartlang.org"
+      sha256: "83615bee9045c1d322bbbd1ba209b7a749c2cbcdcb3fdd1df8eb488b3279c1c8"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.0.0"
+    version: "2.1.1"
   string_scanner:
     dependency: transitive
     description:
       name: string_scanner
-      url: "https://pub.dartlang.org"
+      sha256: "556692adab6cfa87322a115640c11f13cb77b3f076ddcc5d6ae3c20242bedcde"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.0.5"
+    version: "1.2.0"
   term_glyph:
     dependency: transitive
     description:
       name: term_glyph
-      url: "https://pub.dartlang.org"
+      sha256: a29248a84fbb7c79282b40b8c72a1209db169a2e0542bce341da992fe1bc7e84
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.0"
+    version: "1.2.1"
   test_api:
     dependency: transitive
     description:
       name: test_api
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "0.2.5"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
+      sha256: eb6ac1540b26de412b3403a163d919ba86f6a973fe6cc50ae3541b80092fdcfb
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "1.1.6"
+    version: "0.5.1"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
-      url: "https://pub.dartlang.org"
+      sha256: "80b3257d1492ce4d091729e3a67a60407d227c27241d6927be0130c98e741803"
+      url: "https://pub.flutter-io.cn"
     source: hosted
-    version: "2.0.8"
+    version: "2.1.4"
 sdks:
-  dart: ">=2.2.2 <3.0.0"
+  dart: ">=3.0.6 <4.0.0"