postWithToken method
Implementation
Future<http.Response> postWithToken(
String _path, Map<String, dynamic> _body) async {
_preValidation();
var token = await _getToken();
print(jsonEncode(_body));
return http.post(new Uri.https(_host, _baseUrl + _path),
body: jsonEncode(_body),
headers: <String, String>{
"Authorization": "Bearer " + token,
"Content-Type": "application/json",
});
}