delete method
Implementation
Future delete(String key) async {
final Response response = await http.delete(
Uri.parse(_url! + '/' + key + '.json'),
headers: <String, String>{
'Content-Type': 'application/json; charset=UTF-8',
},
);
if (response.statusCode == 200) {
print('delete: ' + response.statusCode.toString());
var jsonResponse = jsonDecode(response.body);
return jsonResponse;
} else {
print('Request failed with status: ${response.statusCode}.');
return null;
}
}