addAdmin method
Adds a group admin.
Only the group owner can call this method and group admins cannot.
Param groupId
The group ID.
Param memberId
The username of the admin to add.
Throws A description of the exception. See ChatError.
Implementation
Future<void> addAdmin(
String groupId,
String memberId,
) async {
Map req = {'groupId': groupId, 'admin': memberId};
Map result = await _channel.invokeMethod(ChatMethodKeys.addAdmin, req);
try {
ChatError.hasErrorFromResult(result);
} on ChatError catch (e) {
throw e;
}
}