class Time {
public static final String millisToSecondsToTimeStr(final long millis) {
StringBuilder sb = new StringBuilder();
Double d = new Double(millis / (1000*60));
int minutes = d.intValue();
sb.append(minutes);
sb.append(":");
long seconds = (millis - (1000*60 * minutes)) / 1000;
if(seconds < 10)
sb.append("0");
sb.append(seconds);
return sb.toString();
}
}