sprockets/src/main/java/net/sf/sprockets/text/style/Spans.java
public static ForegroundColorSpan foregroundColor(@ColorInt int color, int i) {
        if (sForeColors == null) {
            sForeColors = new SparseArray<>();
        }
        List<ForegroundColorSpan> spans = sForeColors.get(color);
        if (spans == null) {
            spans = new ArrayList<>();
            sForeColors.put(color, spans);
        }
        if (i < spans.size()) {
            return spans.get(i);
        } else {
            ForegroundColorSpan span = new ForegroundColorSpan(color);
            spans.add(span);
            return span;
        }
    }
public static ForegroundColorSpan foregroundColor(@ColorInt int color, int i) {
        if (sForeColors == null) {
            sForeColors = new SparseArray<>();
        }
        List<ForegroundColorSpan> spans = sForeColors.get(color);
        if (spans == null) {
            spans = new ArrayList<>();
            sForeColors.put(color, spans);
        }
        if (i < spans.size()) {
            return spans.get(i);
        } else {
            ForegroundColorSpan span = new ForegroundColorSpan(color);
            spans.add(span);
            return span;
        }
    }
Get a cached foreground color span.

@param i starts at zero
@since 3.0.0