country_dropdown.dart
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	import 'package:flutter/material.dart';

	class CountryDropdown extends StatelessWidget {
	final List<String> countries;
	final String country;
	final Function(String) onChanged;

	const CountryDropdown({
	@required this.countries,
	@required this.country,
	@required this.onChanged,
	});

	@override
	Widget build(BuildContext context) {
	return Container(
	padding: const EdgeInsets.symmetric(horizontal: 12.0),
	height: 40.0,
	decoration: BoxDecoration(
	color: Colors.white,
	borderRadius: BorderRadius.circular(30.0),
	),
	child: DropdownButtonHideUnderline(
	child: DropdownButton<String>(
	value: country,
	items: countries
	.map((e) => DropdownMenuItem(
	child: Row(
	children: <Widget>[
	CircleAvatar(
	radius: 12.0,
	child: Image.asset(
	'assets/images/${e.toLowerCase()}_flag.png',
	),
	),
	const SizedBox(width: 8.0),
	Text(
	e,
	style: const TextStyle(
	fontSize: 16.0,
	fontWeight: FontWeight.bold,
	),
	)
	],
	),
	value: e,
	))
	.toList(),
	onChanged: onChanged,
	),
	),
	);
	}
	}