fromHtml and toHtml deprecation utility methods

html.java

@SuppressWarnings("deprecation")
public static Spanned fromHtml(String source) {
    if (source == null) {
        return null;
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
        return Html.fromHtml(source, Html.FROM_HTML_MODE_LEGACY);
    }

    return Html.fromHtml(source);
}

@SuppressWarnings("deprecation")
public static String toHtml(Spannable source) {
    if (source == null) {
        return null;
    }

    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
        return Html.toHtml(source, Html.TO_HTML_PARAGRAPH_LINES_CONSECUTIVE);
    }

    return Html.toHtml(source);
}