private void doRestoreState(Adapter adapter) {
if (stateRestored || adapter == null || adapter.getItemCount() == 0) return;
stateRestored = true;
if (delayedState != null) {
super.onRestoreInstanceState(delayedState);
delayedState = null;
}
}
@Override
public void onRestoreInstanceState(Parcelable state) {
SavedState ss = (SavedState) state;
mPrevFirstVisiblePosition = ss.prevFirstVisiblePosition;
mPrevFirstVisibleChildHeight = ss.prevFirstVisibleChildHeight;
mPrevScrolledChildrenHeight = ss.prevScrolledChildrenHeight;
mPrevScrollY = ss.prevScrollY;
mScrollY = ss.scrollY;
mChildrenHeights = ss.childrenHeights;
super.onRestoreInstanceState(ss.getSuperState());
}
@CallSuper
@Override
protected void onRestoreInstanceState(Parcelable state) {
delayedState = state;
super.onRestoreInstanceState(state);
}