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

When the accepted answer doesn't work (for example when dealing with Paint) you can use:

float spTextSize = 12;
float textSize = spTextSize * getResources().getDisplayMetrics().scaledDensity;
textPaint.setTextSize(textSize);