step 1.
RosterEntry rosterEntry = mRoster.getEntry(userJid);
rosterEntry.setName(“new Name”);
//设置成功
step 2.
Collection unFiledRosterEntries = mRoster.getUnfiledEntries();
for (RosterEntry entry : unFiledRosterEntries) {
entry.getName(); // 这里获取到的Name永远是setName之前的Name
}
after rosterEntry.setName(“new Name”) success, then perform mRoster.reload() get the same result as before