@Override
protected Parcelable onSaveInstanceState() {
// save the instance state so that it will survive screen orientation changes and other events
// that may temporarily destroy it
final Parcelable superState = super.onSaveInstanceState();
// set the state's value with the class member that holds current setting value
final SavedState myState = new SavedState(superState);
myState.minValue = getMinValue();
myState.maxValue = getMaxValue();
myState.value = getValue();
return myState;
}
