import 'package:http/http.dart' as http;
var url = 'https://example.com/whatsit/create';
var response = await http.post(url, body: {'name': 'doodle', 'color': 'blue'});
print('Response status: ${response.statusCode}');
print('Response body: ${response.body}');
print(await http.read('https://example.com/foobar.txt'));
var client = http.Client();
try {
var uriResponse = await client.post('https://example.com/whatsit/create',
body: {'name': 'doodle', 'color': 'blue'});
print(await client.get(uriResponse.bodyFields['uri']));
} finally {
client.close();
}