getDefaultProps() {
      return {
        activeValue: 1,
        delayPressIn: 0,
        delayPressOut: 100,
        delayLongPress: 500,
        pressDuration: 150,
        pressRetentionOffset: {
          top: 20,
          left: 20,
          right: 20,
          bottom: 30,
        },
        press: new Animated.Value(0),
      };
    }
This defines how far your touch can start away from the button. This is
added to `pressRetentionOffset` when moving off of the button.
** NOTE **
The touch area never extends past the parent view bounds and the Z-index
of sibling views always takes precedence if a touch hits two overlapping
views.