Saving state for a ListView

OC--SavingStateListViewActivity.java

private static final String STATE_ITEMS = "items";

// Make sure to declare as ArrayList so it's Serializable
private ArrayList<Item> mItems;

...

@Override
protected void onSaveInstanceState(Bundle outState) {
    // Make sure to call the super method so that the states of our views are saved
    super.onSaveInstanceState(outState);
    // Save our own state now
    outState.putSerializable(STATE_ITEMS, mItems);
}