Nachos-UpdatePadding.java

private void updatePadding() {
    boolean chipsArePresent = !getAllChips().isEmpty();
    if (!chipsArePresent && mUsingDefaultPadding) {
        mUsingDefaultPadding = false;
        Paint paint = getPaint();
        Paint.FontMetricsInt fm = paint.getFontMetricsInt();
        int textHeight = fm.descent - fm.ascent;
        // Calculate how tall the view should be if there were chips
        int newTextHeight = mChipHeight + (mChipVerticalSpacing != -1 ? mChipVerticalSpacing : 0);
        // We need to add half our missing height above and below the text by increasing top and bottom padding
        int paddingAdjustment = (newTextHeight - textHeight) / 2;
        super.setPadding(getPaddingLeft(), mDefaultPaddingTop + paddingAdjustment, getPaddingRight(), mDefaultPaddingBottom + paddingAdjustment);
    } else if (chipsArePresent && !mUsingDefaultPadding) {
        // If there are chips we can revert to default padding
        mUsingDefaultPadding = true;
        super.setPadding(getPaddingLeft(), mDefaultPaddingTop, getPaddingRight(), mDefaultPaddingBottom);
    }
}