@Override
public void onSaveInstanceState(Bundle outState) {
Set<Long> toInvite = friendListAdapter.getSelectedList();
Long inviteLongArray[] = toInvite.toArray(new Long[toInvite.size()]);
Set<Long> alreadyGrouped = friendListAdapter.getAlreadyInGroupList();
Long alreadyGroupedLongArray[] = alreadyGrouped.toArray(new Long[alreadyGrouped.size()]);
outState.putParcelableArrayList(
FRIEND_LIST_MODELS, new ArrayList<Parcelable>(friendListAdapter.getItems()));
outState.putLongArray(FRIEND_LIST_STATES, JavaUtil.toPrimitive(inviteLongArray));
outState.putLongArray(
FRIEND_LIST_ALREADY_IN_GROUP, JavaUtil.toPrimitive(alreadyGroupedLongArray));
super.onSaveInstanceState(outState);
}
@Override
public void onActivityCreated(@Nullable Bundle savedInstanceState) {
super.onActivityCreated(savedInstanceState);
if (savedInstanceState != null) {
ArrayList<SocialMember> friends =
savedInstanceState.getParcelableArrayList(FRIEND_LIST_MODELS);
friendListAdapter.setItems(friends);
// Restore the saved selected set
long[] selected = savedInstanceState.getLongArray(FRIEND_LIST_STATES);
if (selected != null) {
friendListAdapter.setSelectedList(JavaUtil.primitiveLongToSet(selected));
}
// Restore the saved already in group set
long[] alreadyInGroup = savedInstanceState.getLongArray(FRIEND_LIST_ALREADY_IN_GROUP);
if (alreadyInGroup != null) {
friendListAdapter.setAlreadyInGroupList(JavaUtil.primitiveLongToSet(alreadyInGroup));
}
refreshPage(State.LOADED);
} else if (getArguments() != null && getArguments().containsKey(EXTRA_OPT_FRIENDS_LIST)) {
List<SocialMember> friends = getArguments().getParcelableArrayList(EXTRA_OPT_FRIENDS_LIST);
friendListAdapter.setItems(friends);
refreshPage(State.LOADED);
} else {
friendProvider.getMyFriends(getActivity(), this);
refreshPage(State.LOADING);
}
// Retrieve the already in group list
if (getArguments() != null && getArguments().containsKey(EXTRA_OPT_IN_GROUP)) {
long[] alreadyInGroup = getArguments().getLongArray(EXTRA_OPT_IN_GROUP);
friendListAdapter.setAlreadyInGroupList(JavaUtil.primitiveLongToSet(alreadyInGroup));
}
}