void refreshItems() {
ArrayList<RunningState.MergedItem> newItems =
mShowBackground ? mState.getCurrentBackgroundItems() : mState.getCurrentMergedItems();
if (mOrigItems != newItems) {
mOrigItems = newItems;
if (newItems == null) {
mItems.clear();
} else {
mItems.clear();
mItems.addAll(newItems);
if (mShowBackground) {
Collections.sort(mItems, mState.mBackgroundComparator);
}
}
}
}
