public void setPack(InstalledPack pack) {

    int index = mPackStore.getPackNames().indexOf(pack.getName());

    if (index >= 0) {
      mPackStore.setSelectedIndex(index);
      mPackStore.save();
    }
  }
 public void remove(InstalledPack pack) {
   mPackStore.remove(pack.getName());
   mPackStore.save();
 }
 public void put(InstalledPack pack) {
   mPackStore.put(pack);
   mPackStore.save();
   pack.setRefreshListener(this);
   triggerUpdateListeners(pack);
 }
 public void save() {
   mPackStore.save();
 }