How to set text size using dimension from xml at runtime programmatically?

Question

In dimens.xml, I have:

18sp

In runtime, I get this value and set the text size of a text vi

Answer 1

Add dimension in dimens.xml:

   18sp

Set the size in code:

textView.setTextSize(TypedValue.COMPLEX_UNIT_PX, getResources().getDimension(R.dimen.text_medium));