public void setHideable(boolean hideable) {
        mHideable = hideable;
    }
Sets whether this bottom sheet can hide when it is swiped down.

@param hideable {@code true} to make this bottom sheet hideable.
@attr ref android.support.design.R.styleable#BottomSheetBehavior_Layout_behavior_hideable
vpbs/src/main/java/biz/laenger/android/vpbs/ViewPagerBottomSheetBehavior.java