How to assign text size in sp value using java code

Question

If I assign an integer value to change a certain text size of a TextView using java code, the value is interpreted as pixel (px).

Now does

Answer 1

By default setTextSize, without units work in SP (scales pixel)

public void setTextSize (float size) 
Added in API level 1
Set the default text size to the given value, interpreted as "scaled pixel" units. This 
size is adjusted based on the current density and user font size preference.