TimeUtils.java 文件源码

public static SpannableStringBuilder formatTimeRemaining(double routeDuration) {
  long seconds = (long) routeDuration;

  if (seconds < 0) {
    throw new IllegalArgumentException("Duration must be greater than zero.");
  }

  long days = TimeUnit.SECONDS.toDays(seconds);
  seconds -= TimeUnit.DAYS.toSeconds(days);
  long hours = TimeUnit.SECONDS.toHours(seconds);
  seconds -= TimeUnit.HOURS.toSeconds(hours);
  long minutes = TimeUnit.SECONDS.toMinutes(seconds);
  seconds -= TimeUnit.MINUTES.toSeconds(minutes);

  if (seconds >= 30) {
    minutes = minutes + 1;
  }

  List<SpanItem> spanItems = new ArrayList<>();
  if (days != 0) {
    String dayFormat = days > 1 ? DAYS : DAY;
    spanItems.add(new SpanItem(new StyleSpan(Typeface.BOLD), String.valueOf(days)));
    spanItems.add(new SpanItem(new RelativeSizeSpan(1f), dayFormat));
  }
  if (hours != 0) {
    spanItems.add(new SpanItem(new StyleSpan(Typeface.BOLD), String.valueOf(hours)));
    spanItems.add(new SpanItem(new RelativeSizeSpan(1f), HOUR));
  }
  if (minutes != 0) {
    spanItems.add(new SpanItem(new StyleSpan(Typeface.BOLD), String.valueOf(minutes)));
    spanItems.add(new SpanItem(new RelativeSizeSpan(1f), MINUTE));
  }
  if (days == 0 && hours == 0 && minutes == 0) {
    spanItems.add(new SpanItem(new StyleSpan(Typeface.BOLD), String.valueOf(1)));
    spanItems.add(new SpanItem(new RelativeSizeSpan(1f), MINUTE));
  }

  return SpanUtils.combineSpans(spanItems);
}