How to properly set line height for Android?

Question

I am a UX architect working with a team of Android developers that are mostly junior. We are having issues properly setting line height in Android.

We are using the

Answer 1

Here's a way to do it programatically.

public static void setLineHeight(TextView textView, int lineHeight) {
    int fontHeight = textView.getPaint().getFontMetricsInt(null);
    textView.setLineSpacing(dpToPixel(lineHeight) - fontHeight, 1);
}

public static int dpToPixel(float dp) {
    DisplayMetrics metrics = getResources().getDisplayMetrics();
    float px = dp * (metrics.densityDpi / 160f);
    return (int) px;
}