` val current = Calendar.getInstance()

var mBirth = tv_birth.text.toString()
    mBirth="1996-02-03"
    LogUtils.w(mBirth)
    if (mBirth.isBlank()) {
        current[Calendar.YEAR] -= 24
    } else {
        current[Calendar.YEAR] = mBirth.substring(0, 4).toInt()
        current[Calendar.MONTH] = mBirth.substring(5, 7).toInt() - 1
        current[Calendar.DAY_OF_MONTH] = mBirth.substring(8, 10).toInt()
        LogUtils.w(mBirth.substring(0, 4).toInt(),mBirth.substring(5, 7).toInt() - 1, mBirth.substring(8, 10).toInt())
    }
    val start = Calendar.getInstance()
    start[Calendar.YEAR] -= 60
    val end = Calendar.getInstance()
    end[Calendar.YEAR] -= 18
    val listener =
            OnTimeSelectListener { date, _ ->
                LogUtils.w(date)
                mBirth = SimpleDateFormat("yyyy-MM-dd", Locale.CHINA).format(date)
                tv_birth.text = mBirth
            }
    val picker = TimePickerBuilder(this, listener)
            .setType(booleanArrayOf(true, true, true, false, false, false))
            .setDate(current)
            .setRangDate(start, end)
            .setCancelText(getString(R.string.cancel))
            .setSubmitText(getString(R.string.determine))
            .setTitleSize(14)
            .setContentTextSize(14)
            .setSubCalSize(14)
            .setLineSpacingMultiplier(2.75f)
            .build()
    picker.show()`

这样一段代码，在4.1.9版本上，日期会从16号开始（准确说是今天的日期），1-15丢失（改成2月以外的月份没有这问题，或者去掉range限制，也是正常的），4.1.8版本没有这问题