addUserToBlockList method Null safety

Future<void> addUserToBlockList(
  1. String username
)

Adds a user to the block list. You can send messages to the users on the block list, but cannot receive messages from them.

Param username The user to be added to the block list.

Throws A description of the exception. See {@link EMError}.

Implementation

Future<void> addUserToBlockList(
  String username,
) async {
  Map req = {'username': username};
  Map result = await _channel.invokeMethod(
    ChatMethodKeys.addUserToBlockList,
    req,
  );
  try {
    EMError.hasErrorFromResult(result);
  } on EMError catch (e) {
    throw e;
  }
}