Initial commit

app_code/lib/constant/country_search.dart

@@ -0,0 +1,61 @@
+import 'package:flutter/material.dart';
+import 'package:grostore/constant/country_code.dart';
+
+class CountrySearchDialog extends StatefulWidget {
+  @override
+  _CountrySearchDialogState createState() => _CountrySearchDialogState();
+}
+
+class _CountrySearchDialogState extends State<CountrySearchDialog> {
+  List<Country> country =  CountryCode().get();
+
+  List<Country> filteredCountry = [];
+
+  @override
+  void initState() {
+    filteredCountry = country;
+    super.initState();
+  }
+
+  void filtercountry(String query) {
+    query = query.toLowerCase();
+    setState(() {
+      filteredCountry = country
+          .where((product) => product.name.toLowerCase().contains(query))
+          .toList();
+    });
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    return AlertDialog(
+      title: Text('Search Product'),
+      content: Column(
+        mainAxisSize: MainAxisSize.min,
+        children: <Widget>[
+          TextField(
+            onChanged: filtercountry,
+            decoration: InputDecoration(
+              labelText: 'Search',
+            ),
+          ),
+          SizedBox(height: 16.0),
+          Expanded(
+            child: ListView.builder(
+              itemCount: filteredCountry.length,
+              itemBuilder: (context, index) {
+                final country = filteredCountry[index];
+                return ListTile(
+                  title: Text(country.name),
+                  onTap: () {
+                    Navigator.of(context).pop(country);
+                  },
+                );
+              },
+            ),
+          ),
+        ],
+      ),
+    );
+  }
+}