public void saveActionViewStates(Bundle outStates) {
SparseArray<Parcelable> viewStates = null;
final int itemCount = size();
for (int i = 0; i < itemCount; i++) {
final MenuItem item = getItem(i);
final View v = item.getActionView();
if (v != null && v.getId() != View.NO_ID) {
if (viewStates == null) {
viewStates = new SparseArray<Parcelable>();
}
v.saveHierarchyState(viewStates);
if (item.isActionViewExpanded()) {
outStates.putInt(EXPANDED_ACTION_VIEW_ID, item.getItemId());
}
}
if (item.hasSubMenu()) {
final SubMenuBuilder subMenu = (SubMenuBuilder) item.getSubMenu();
subMenu.saveActionViewStates(outStates);
}
}
if (viewStates != null) {
outStates.putSparseParcelableArray(getActionViewStatesKey(), viewStates);
}
}
private Parcelable onSaveInstanceState() {
SparseArray<Parcelable> state = new SparseArray<>();
itemView.saveHierarchyState(state);
Bundle bundle = new Bundle();
bundle.putSparseParcelableArray(STATE, state);
return bundle;
}
/**
* Save views regardless what's the current policy is.
*
* @param view view to save
* @param id unique id for the view within this ViewsStateBundle
*/
protected final void saveViewUnchecked(View view, int id) {
if (mChildStates != null) {
String key = getSaveStatesKey(id);
SparseArray<Parcelable> container = new SparseArray<Parcelable>();
view.saveHierarchyState(container);
mChildStates.put(key, container);
}
}
/**
* The on screen view is saved when policy is not {@link #SAVE_NO_CHILD}.
*
* @param bundle Bundle where we save the on screen view state. If null, a new Bundle is created
* and returned.
* @param view The view to save.
* @param id Id of the view.
*/
public final Bundle saveOnScreenView(Bundle bundle, View view, int id) {
if (mSavePolicy != SAVE_NO_CHILD) {
String key = getSaveStatesKey(id);
SparseArray<Parcelable> container = new SparseArray<Parcelable>();
view.saveHierarchyState(container);
if (bundle == null) {
bundle = new Bundle();
}
bundle.putSparseParcelableArray(key, container);
}
return bundle;
}
public void saveViewState(View view) {
SparseArray<Parcelable> viewState = new SparseArray<Parcelable>();
view.saveHierarchyState(viewState);
this.viewState = viewState;
}
