/** Saves the visibility of the child EditTexts, and mHideOptional. */
@Override
protected Parcelable onSaveInstanceState() {
Parcelable superState = super.onSaveInstanceState();
SavedState ss = new SavedState(superState);
ss.mHideOptional = mHideOptional;
final int numChildren = mFieldEditTexts == null ? 0 : mFieldEditTexts.length;
ss.mVisibilities = new int[numChildren];
for (int i = 0; i < numChildren; i++) {
ss.mVisibilities[i] = mFieldEditTexts[i].getVisibility();
}
return ss;
}
