private void init(final AttributeSet attrs, final int defStyleAttr, final int defStyleRes) {

        setOrientation(VERTICAL);
        final ContextThemeWrapper ctw = new ContextThemeWrapper(getContext(), R.style.cgeo);
        inflate(ctw, R.layout.wherigo_media_view, this);
        binding = WherigoMediaViewBinding.bind(this);

    }
Allows live-editing of a formula, optionally associated with a Variable List
main/src/main/java/cgeo/geocaching/ui/WherigoMediaView.java