addAdmin method Null safety
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.
Return The updated group instance.
Throws A description of the exception. See {@link EMError}.
Implementation
Future<void> addAdmin(
String groupId,
String memberId,
) async {
Map req = {'groupId': groupId, 'admin': memberId};
Map result = await _channel.invokeMethod(ChatMethodKeys.addAdmin, req);
try {
EMError.hasErrorFromResult(result);
} on EMError catch (e) {
throw e;
}
}