+ byte[] groupId = m.getGroupId(groupInfo.getMasterKey());
+ System.out.println(" Id: " + Base64.encodeBytes(groupId));
+ GroupInfo group = m.getGroup(groupId);
+ if (group != null) {
+ System.out.println(" Name: " + group.getTitle());
+ } else {
+ System.out.println(" Name: <Unknown group>");
+ }