Android将毫秒转为分

/**
 * 毫秒转分
 * @param ms
 * @return
 */
public static String msToM(int ms) {
    int seconds = ms / 1000;
    int minutes = seconds / 60;
    seconds = seconds % 60;

    String m = null;
    String s = null;

    if (minutes == 0 && seconds == 0)
        seconds = 1;

    if (minutes < 10)
        m = "0" + minutes;
    else
        m = "" + minutes;

    if (seconds < 10)
        s = "0" + seconds;
    else
        s = "" + seconds;

    return m + ":" + s;
}