Added an include field

example/pubspec.lock

@@ -42,7 +42,7 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   country_picker:
     dependency: "direct main"
     description:
@@ -56,7 +56,7 @@ packages:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -92,7 +92,7 @@ packages:
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3"
+    version: "0.1.4"
   meta:
     dependency: transitive
     description:
@@ -106,7 +106,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -118,7 +118,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
@@ -153,20 +153,13 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.8"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
+    version: "0.4.9"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.2"
 sdks:
-  dart: ">=2.14.0 <3.0.0"
+  dart: ">=2.17.0-0 <3.0.0"

lib/src/country_list_bottom_sheet.dart

@@ -10,6 +10,7 @@ void showCountryListBottomSheet({
   VoidCallback? onClosed,
   List<String>? favorite,
   List<String>? exclude,
+  List<String>? include,
   List<String>? countryFilter,
   bool showPhoneCode = false,
   CountryListThemeData? countryListTheme,
@@ -25,6 +26,7 @@ void showCountryListBottomSheet({
       onSelect,
       favorite,
       exclude,
+      include,
       countryFilter,
       showPhoneCode,
       countryListTheme,
@@ -41,6 +43,7 @@ Widget _builder(
   ValueChanged<Country> onSelect,
   List<String>? favorite,
   List<String>? exclude,
+  List<String>? include,
   List<String>? countryFilter,
   bool showPhoneCode,
   CountryListThemeData? countryListTheme,

lib/src/country_list_view.dart

@@ -20,6 +20,11 @@ class CountryListView extends StatefulWidget {
   /// Note: Can't provide both [exclude] and [countryFilter]
   final List<String>? exclude;
 
+  /// An options [include] argument can be used to include(add) one ore more
+  /// country from the countries list. It takes a list of country code(iso2).
+  /// Note: Can't provide both [include] and [exclude]
+  final List<String>? include;
+
   /// An optional [countryFilter] argument can be used to filter the
   /// list of countries. It takes a list of country code(iso2).
   /// Note: Can't provide both [countryFilter] and [exclude]
@@ -43,6 +48,7 @@ class CountryListView extends StatefulWidget {
     Key? key,
     required this.onSelect,
     this.exclude,
+    this.include,
     this.favorite,
     this.countryFilter,
     this.showPhoneCode = false,
@@ -53,6 +59,14 @@ class CountryListView extends StatefulWidget {
           exclude == null || countryFilter == null,
           'Cannot provide both exclude and countryFilter',
         ),
+        assert(
+          include == null || exclude == null,
+          'Cannot provide both include and exclude',
+        ),
+        assert(
+          include == null || countryFilter == null,
+          'Cannot provide both include and countryFilter',
+        ),
         super(key: key);
 
   @override
@@ -94,6 +108,12 @@ class _CountryListViewState extends State<CountryListView> {
       );
     }
 
+    if (widget.include != null) {
+      _countryList.retainWhere(
+        (element) => widget.include!.contains(element.countryCode),
+      );
+    }
+
     if (widget.countryFilter != null) {
       _countryList.removeWhere(
         (element) => !widget.countryFilter!.contains(element.countryCode),

pubspec.lock

@@ -42,14 +42,14 @@ packages:
       name: collection
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.15.0"
+    version: "1.16.0"
   fake_async:
     dependency: transitive
     description:
       name: fake_async
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.2.0"
+    version: "1.3.0"
   flutter:
     dependency: "direct main"
     description: flutter
@@ -80,7 +80,7 @@ packages:
       name: material_color_utilities
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.1.3"
+    version: "0.1.4"
   meta:
     dependency: transitive
     description:
@@ -94,7 +94,7 @@ packages:
       name: path
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.0"
+    version: "1.8.1"
   sky_engine:
     dependency: transitive
     description: flutter
@@ -106,7 +106,7 @@ packages:
       name: source_span
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "1.8.1"
+    version: "1.8.2"
   stack_trace:
     dependency: transitive
     description:
@@ -141,20 +141,13 @@ packages:
       name: test_api
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.4.8"
-  typed_data:
-    dependency: transitive
-    description:
-      name: typed_data
-      url: "https://pub.dartlang.org"
-    source: hosted
-    version: "1.3.0"
+    version: "0.4.9"
   vector_math:
     dependency: transitive
     description:
       name: vector_math
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "2.1.1"
+    version: "2.1.2"
 sdks:
-  dart: ">=2.15.0-7.0.dev <3.0.0"
+  dart: ">=2.17.0-0 <3.0.0"