grpc_client.dart

/// A channel that the gRPC libray communicates over.
/// This is provided by the gRPC library.
final channel = GrpcWebClientChannel.xhr(Uri.parse('https://your.api.url:8080'));

/// The class [AccountServiceClient] is generated by the gRPC library from
/// your `.proto` definition.
final client = AccountServiceClient(channel);

Future<void> changePassword() async {
  /// The message you want to send to the API. It's also generated from your
  /// `.proto` definition.
  final request =
      ChangePasswordRequest(oldPassword: 'old-pass', newPassword: 'new-pass');

  /// Simply call the `.changePassword()` method on your client as if it were
  /// a local call, and you get the response from the server asynchronously.
  ///
  /// In this case the call doesn't return anything.
  await client.changePassword(request);
}