آموزش Alarm Manager در برنامه نویسی اندروید

34 پاسخ به “آموزش Alarm Manager در برنامه نویسی اندروید”

1. سلام. لطفا در مورد کنسل کردن الارم هم توضیح بدین.

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   1. سلام و ممنون از نظرتون در آینده ای نزدیک اضافه می شود.

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2. سلام خسته نباشید من یه مشکل دارم میخواستم اگه امکانش هست کمکم کنید,یه اپ میسازم میخوام مکانی که توش هستم رو بگیره بعد با مختصات ادرسی که قبلا با placepicker گرفته مقایسه کنه درصورتی که یکی بود آلارم بده میشه کمکم کنید؟

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   1. سلام آموزش به دست آوردن مکان در سایت موجود است می توانید از لینک زیر استفاده کنید.
      https://programchi.ir/2017/08/02/%d8%a2%d9%85%d9%88%d8%b2%d8%b4-%d8%a8%d9%87-%d8%af%d8%b3%d8%aa-%d8%a2%d9%88%d8%b1%d8%af%d9%86-%d9%85%da%a9%d8%a7%d9%86-%d8%a8%d8%a7-%d8%a7%d8%b3%d8%aa%d9%81%d8%a7%d8%af%d9%87-%d8%a7%d8%b2-gps-%d8%af/
      در صورتی که سوال دیگری دارید بفرمایید.
      موفق باشید.

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3. سلام خسته نباشید
   ببخشید من زیاد حرفه نیستم و تازه دارم یاد میگیرم
   private void set Recurring Alarm رو باید کجای مین اکتیویتی قرار بدیم؟؟؟؟؟؟
   لطفا جوابتون رو به ایمیلم ارسال کنید ممنون میشم

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   1. زیر void اصلی یا main اصلی باید قرار داده شود.

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4. سلام . چرا نمیشه شما رو تو ی لینکد این دنبال کرد . ممنونم . ازتون . و یک سوال من میخوام توی تاریخ و ساعت مشخص اس م اس ارسال بشه . میشه بفرمایید من ماه و روز رو چطوری اضافه کنم .
   برای ارسال اس امس از کدی که زحمت کشیدید گذاشتید AlarmManager alarms = (AlarmManager) this.getSystemService(
   Context.ALARM_SERVICE);
   alarms.setInexactRepeating(AlarmManager.RTC_WAKEUP,
   updateTime.getTimeInMillis(),
   AlarmManager.INTERVAL_DAY, recurringDownload);
   حذف می کنم و اس ام اس منیجر و پروسه ارسال اس ام اس رو به کلاس تسک اضافه می کنم . فقط میشه ست کردن ماه و روز و سال رو مثل ساعت و دقیقه بفرمایید.
   بسیار ممنونم از شما

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   1. سلام و درود
      می توانید مثل زیر عمل کنید

      Calendar cal = Calendar.getInstance(); cal.setTimeInMillis(System.currentTimeMillis()); cal.clear(); cal.set(2012,2,8,18,16); AlarmManager alarmMgr = (AlarmManager)getSystemService(Context.ALARM_SERVICE); Intent intent = new Intent(this, AlarmReceiver.class); PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0); // cal.add(Calendar.SECOND, 5); alarmMgr.set(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(), pendingIntent);

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      Calendar cal = Calendar.getInstance();         cal.setTimeInMillis(System.currentTimeMillis());         cal.clear();         cal.set(2012,2,8,18,16);         AlarmManager alarmMgr = (AlarmManager)getSystemService(Context.ALARM_SERVICE);         Intent intent = new Intent(this, AlarmReceiver.class);         PendingIntent pendingIntent = PendingIntent.getBroadcast(this, 0, intent, 0);        // cal.add(Calendar.SECOND, 5);         alarmMgr.set(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(), pendingIntent);

      موفق باشید.

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      1. سلام و احترام
         خیلی ممنونم از پاسخگویی شما. پس الارم منیجر اصلا ربطی به زنگ زدن نداره . برای همه چی تعریف میشه و تو کلاس تسکی که فرمودید مشخص میکنم تو این الارم ست شده چه کاری انجام بشه .
         بسیار ممنونم از شما

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5. سلام و احترام
   مورد دیگه میشه ایکس ام ال اینکه کم چطوری زمان و تاریخ را بگیرم و. بگذارید . مانند کدی که لطف کردید تو پاسخ
   سپاس فراوان

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6. سلام من عذر خواهی می کنم . امکان داره ارسال اس ام اس رو به وسیله زمانبندی الارم منیجر توضیح بدید . من به شدتدچار اشکال شدم اگر امکان داشته باشه ممنون میشم. من بسیار دچار اشکال شدم
   بسیار ممنونم

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7. سلام
   پاس ام اس ای که من ست میکنم با لارم منیجر در دیتابیس ذخیره میشه اما فرستاده نمیشه . میشه تعریف تایم زون لوکال رو توضیح بدید میشد داخل تایم زون چیز دیگه ای گذاشت که شما گذاشتید .

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   1. سلام و درود بله شما می توانید ساعت زمان یا حتی تاریخ را به صورت جداگانه برای alaram manager ست کنید. مثل زیر

      cal.set(Calendar.YEAR, dpYear); cal.set(Calendar.MONTH, dpMonth); cal.set(Calendar.DAY_OF_MONTH, dpDay); cal.set(Calendar.HOUR_OF_DAY, tpHour); cal.set(Calendar.MINUTE, tpMinute); cal.set(Calendar.SECOND, 0);

      1 2 3 4 5 6

      cal.set(Calendar.YEAR, dpYear);     cal.set(Calendar.MONTH, dpMonth);     cal.set(Calendar.DAY_OF_MONTH, dpDay);     cal.set(Calendar.HOUR_OF_DAY, tpHour);     cal.set(Calendar.MINUTE, tpMinute);     cal.set(Calendar.SECOND, 0);

      موفق باشید.

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8. دیدم در قسمت date picker همین سایت ممنونم از لط ف شما

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   1. خواهش می کنم موفق باشید.

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9. یک سوال بزرگ اون تقویم جلالی که با date picker اموزش شما تنظیم میکنم برای ست کردن الارم منیجرم چطوری ازش استفاده کنم . یعنی مثلا 29 ابان سال 1396 رو انتخاب میکنم از تقویم میگیرم اما چطور به میلادی تبدیلش کنم برای تنظیم الارم منیجرم ممنون میشم راهنمایی بفرمایید

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   1. سلام می توانید آن را تبدیل کنید برای تبدیل از کد زیر استفاده کنید.
      ابتدا یک کلاس به نام زیر درست کنید

      import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import java.util.Locale; import java.util.TimeZone; public class JalaliCalendar extends Calendar { public static int gregorianDaysInMonth[] = { 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31 }; public static int jalaliDaysInMonth[] = { 31, 31, 31, 31, 31, 31, 30, 30, 30, 30, 30, 29 }; public final static int FARVARDIN = 0; public final static int ORDIBEHESHT = 1; public final static int KHORDAD = 2; public final static int TIR = 3; public final static int MORDAD = 4; public final static int SHAHRIVAR = 5; public final static int MEHR = 6; public final static int ABAN = 7; public final static int AZAR = 8; public final static int DEY = 9; public final static int BAHMAN = 10; public final static int ESFAND = 11; private static TimeZone timeZone = TimeZone.getDefault(); private static boolean isTimeSeted = false; private static final int ONE_SECOND = 1000; private static final int ONE_MINUTE = 60 * ONE_SECOND; private static final int ONE_HOUR = 60 * ONE_MINUTE; private static final long ONE_DAY = 24 * ONE_HOUR; static final int BCE = 0; static final int CE = 1; public static final int AD = 1; private GregorianCalendar cal; static final int MIN_VALUES[] = { BCE, 1, FARVARDIN, 1, 0, 1, 1, SATURDAY, 1, AM, 0, 0, 0, 0, 0, -13 * ONE_HOUR, 0 }; static final int LEAST_MAX_VALUES[] = { CE, 292269054, ESFAND, 52, 4, 28, 365, FRIDAY, 4, PM, 11, 23, 59, 59, 999, 14 * ONE_HOUR, 20 * ONE_MINUTE }; static final int MAX_VALUES[] = { CE, 292278994, ESFAND, 53, 6, 31, 366, FRIDAY, 6, PM, 11, 23, 59, 59, 999, 14 * ONE_HOUR, 2 * ONE_HOUR }; public JalaliCalendar() { this(TimeZone.getDefault(), Locale.getDefault()); } public JalaliCalendar(TimeZone zone) { this(zone, Locale.getDefault()); } public JalaliCalendar(Locale aLocale) { this(TimeZone.getDefault(), aLocale); } public JalaliCalendar(TimeZone zone, Locale aLocale) { super(zone, aLocale); timeZone = zone; Calendar calendar = Calendar.getInstance(zone, aLocale); YearMonthDate yearMonthDate = new YearMonthDate(calendar.get(YEAR), calendar.get(MONTH), calendar.get(DATE)); yearMonthDate = gregorianToJalali(yearMonthDate); set(yearMonthDate.getYear(), yearMonthDate.getMonth(), yearMonthDate.getDate()); complete(); } public Date getGregorianDate(String jalaliDate) { String[] arr = jalaliDate.split("/"); YearMonthDate jalali = new YearMonthDate(Integer.parseInt(arr[0]), Integer.parseInt(arr[1]) - 1, Integer.parseInt(arr[2])); YearMonthDate gDate = jalaliToGregorian(jalali); Calendar cal = Calendar.getInstance(); cal.clear(); cal.set(gDate.getYear(), gDate.getMonth(), gDate.getDate()); Date dt = cal.getTime(); return dt; } public String getJalaliDate(Date gDate) { Calendar gCal = Calendar.getInstance(); gCal.clear(); gCal.setTime(gDate); Date dt = gCal.getTime(); int myYear = gCal.get(Calendar.YEAR); int myMonth = gCal.get(Calendar.MONTH); int myDay = gCal.get(Calendar.DAY_OF_MONTH); YearMonthDate gMyDate = new YearMonthDate(myYear, myMonth, myDay); YearMonthDate jDate = gregorianToJalali(gMyDate); String jalali = jDate.year + "/" + (jDate.month + 1) + "/" + jDate.date; return jalali; } public JalaliCalendar(int year, int month, int dayOfMonth) { this(year, month, dayOfMonth, 0, 0, 0, 0); } public JalaliCalendar(int year, int month, int dayOfMonth, int hourOfDay, int minute) { this(year, month, dayOfMonth, hourOfDay, minute, 0, 0); } public JalaliCalendar(int year, int month, int dayOfMonth, int hourOfDay, int minute, int second) { this(year, month, dayOfMonth, hourOfDay, minute, second, 0); } JalaliCalendar(int year, int month, int dayOfMonth, int hourOfDay, int minute, int second, int millis) { super(); this.set(YEAR, year); this.set(MONTH, month); this.set(DAY_OF_MONTH, dayOfMonth); if (hourOfDay >= 12 && hourOfDay <= 23) { this.set(AM_PM, PM); this.set(HOUR, hourOfDay - 12); } else { this.set(HOUR, hourOfDay); this.set(AM_PM, AM); } this.set(HOUR_OF_DAY, hourOfDay); this.set(MINUTE, minute); this.set(SECOND, second); this.set(MILLISECOND, millis); YearMonthDate yearMonthDate = jalaliToGregorian(new YearMonthDate( fields[1], fields[2], fields[5])); cal = new GregorianCalendar(yearMonthDate.getYear(), yearMonthDate.getMonth(), yearMonthDate.getDate(), hourOfDay, minute, second); time = cal.getTimeInMillis(); isTimeSeted = true; } public static YearMonthDate gregorianToJalali(YearMonthDate gregorian) { if (gregorian.getMonth() > 11 || gregorian.getMonth() < -11) { throw new IllegalArgumentException(); } int jalaliYear; int jalaliMonth; int jalaliDay; int gregorianDayNo, jalaliDayNo; int jalaliNP; int i; gregorian.setYear(gregorian.getYear() - 1600); gregorian.setDate(gregorian.getDate() - 1); gregorianDayNo = 365 * gregorian.getYear() + (int) Math.floor((gregorian.getYear() + 3) / 4) - (int) Math.floor((gregorian.getYear() + 99) / 100) + (int) Math.floor((gregorian.getYear() + 399) / 400); for (i = 0; i < gregorian.getMonth(); ++i) { gregorianDayNo += gregorianDaysInMonth[i]; } if (gregorian.getMonth() > 1 && ((gregorian.getYear() % 4 == 0 && gregorian.getYear() % 100 != 0) || (gregorian .getYear() % 400 == 0))) { ++gregorianDayNo; } gregorianDayNo += gregorian.getDate(); jalaliDayNo = gregorianDayNo - 79; jalaliNP = (int) Math.floor(jalaliDayNo / 12053); jalaliDayNo = jalaliDayNo % 12053; jalaliYear = 979 + 33 * jalaliNP + 4 * (int) (jalaliDayNo / 1461); jalaliDayNo = jalaliDayNo % 1461; if (jalaliDayNo >= 366) { jalaliYear += (int) Math.floor((jalaliDayNo - 1) / 365); jalaliDayNo = (jalaliDayNo - 1) % 365; } for (i = 0; i < 11 && jalaliDayNo >= jalaliDaysInMonth[i]; ++i) { jalaliDayNo -= jalaliDaysInMonth[i]; } jalaliMonth = i; jalaliDay = jalaliDayNo + 1; return new YearMonthDate(jalaliYear, jalaliMonth, jalaliDay); } public static YearMonthDate jalaliToGregorian(YearMonthDate jalali) { if (jalali.getMonth() > 11 || jalali.getMonth() < -11) { throw new IllegalArgumentException(); } int gregorianYear; int gregorianMonth; int gregorianDay; int gregorianDayNo, jalaliDayNo; int leap; int i; jalali.setYear(jalali.getYear() - 979); jalali.setDate(jalali.getDate() - 1); jalaliDayNo = 365 * jalali.getYear() + (int) (jalali.getYear() / 33) * 8 + (int) Math.floor(((jalali.getYear() % 33) + 3) / 4); for (i = 0; i < jalali.getMonth(); ++i) { jalaliDayNo += jalaliDaysInMonth[i]; } jalaliDayNo += jalali.getDate(); gregorianDayNo = jalaliDayNo + 79; gregorianYear = 1600 + 400 * (int) Math.floor(gregorianDayNo / 146097); /* * 146097 * = * 365 * * * 400 * + * 400 * / * 4 * - * 400 * / * 100 * + * 400 * / * 400 */ gregorianDayNo = gregorianDayNo % 146097; leap = 1; if (gregorianDayNo >= 36525) /* 36525 = 365*100 + 100/4 */{ gregorianDayNo--; gregorianYear += 100 * (int) Math.floor(gregorianDayNo / 36524); /* * 36524 * = * 365 * * * 100 * + * 100 * / * 4 * - * 100 * / * 100 */ gregorianDayNo = gregorianDayNo % 36524; if (gregorianDayNo >= 365) { gregorianDayNo++; } else { leap = 0; } } gregorianYear += 4 * (int) Math.floor(gregorianDayNo / 1461); /* * 1461 = * 365*4 + * 4/4 */ gregorianDayNo = gregorianDayNo % 1461; if (gregorianDayNo >= 366) { leap = 0; gregorianDayNo--; gregorianYear += (int) Math.floor(gregorianDayNo / 365); gregorianDayNo = gregorianDayNo % 365; } for (i = 0; gregorianDayNo >= gregorianDaysInMonth[i] + ((i == 1 && leap == 1) ? i : 0); i++) { gregorianDayNo -= gregorianDaysInMonth[i] + ((i == 1 && leap == 1) ? i : 0); } gregorianMonth = i; gregorianDay = gregorianDayNo + 1; return new YearMonthDate(gregorianYear, gregorianMonth, gregorianDay); } public static int weekOfYear(int dayOfYear, int year) { switch (dayOfWeek(JalaliCalendar.jalaliToGregorian(new YearMonthDate( year, 0, 1)))) { case 2: dayOfYear++; break; case 3: dayOfYear += 2; break; case 4: dayOfYear += 3; break; case 5: dayOfYear += 4; break; case 6: dayOfYear += 5; break; case 7: dayOfYear--; break; } ; dayOfYear = (int) Math.floor(dayOfYear / 7); return dayOfYear + 1; } public static int dayOfWeek(YearMonthDate yearMonthDate) { Calendar cal = new GregorianCalendar(yearMonthDate.getYear(), yearMonthDate.getMonth(), yearMonthDate.getDate()); return cal.get(DAY_OF_WEEK); } public static boolean isLeepYear(int year) { // Algorithm from www.wikipedia.com if ((year % 33 == 1 || year % 33 == 5 || year % 33 == 9 || year % 33 == 13 || year % 33 == 17 || year % 33 == 22 || year % 33 == 26 || year % 33 == 30)) { return true; } else return false; } @Override protected void computeTime() { if (!isTimeSet && !isTimeSeted) { Calendar cal = GregorianCalendar.getInstance(timeZone); if (!isSet(HOUR_OF_DAY)) { super.set(HOUR_OF_DAY, cal.get(HOUR_OF_DAY)); } if (!isSet(HOUR)) { super.set(HOUR, cal.get(HOUR)); } if (!isSet(MINUTE)) { super.set(MINUTE, cal.get(MINUTE)); } if (!isSet(SECOND)) { super.set(SECOND, cal.get(SECOND)); } if (!isSet(MILLISECOND)) { super.set(MILLISECOND, cal.get(MILLISECOND)); } if (!isSet(ZONE_OFFSET)) { super.set(ZONE_OFFSET, cal.get(ZONE_OFFSET)); } if (!isSet(DST_OFFSET)) { super.set(DST_OFFSET, cal.get(DST_OFFSET)); } if (!isSet(AM_PM)) { super.set(AM_PM, cal.get(AM_PM)); } if (internalGet(HOUR_OF_DAY) >= 12 && internalGet(HOUR_OF_DAY) <= 23) { super.set(AM_PM, PM); super.set(HOUR, internalGet(HOUR_OF_DAY) - 12); } else { super.set(HOUR, internalGet(HOUR_OF_DAY)); super.set(AM_PM, AM); } YearMonthDate yearMonthDate = jalaliToGregorian(new YearMonthDate( internalGet(YEAR), internalGet(MONTH), internalGet(DAY_OF_MONTH))); cal.set(yearMonthDate.getYear(), yearMonthDate.getMonth(), yearMonthDate.getDate(), internalGet(HOUR_OF_DAY), internalGet(MINUTE), internalGet(SECOND)); time = cal.getTimeInMillis(); } else if (!isTimeSet && isTimeSeted) { if (internalGet(HOUR_OF_DAY) >= 12 && internalGet(HOUR_OF_DAY) <= 23) { super.set(AM_PM, PM); super.set(HOUR, internalGet(HOUR_OF_DAY) - 12); } else { super.set(HOUR, internalGet(HOUR_OF_DAY)); super.set(AM_PM, AM); } cal = new GregorianCalendar(); super.set(ZONE_OFFSET, timeZone.getRawOffset()); super.set(DST_OFFSET, timeZone.getDSTSavings()); YearMonthDate yearMonthDate = jalaliToGregorian(new YearMonthDate( internalGet(YEAR), internalGet(MONTH), internalGet(DAY_OF_MONTH))); cal.set(yearMonthDate.getYear(), yearMonthDate.getMonth(), yearMonthDate.getDate(), internalGet(HOUR_OF_DAY), internalGet(MINUTE), internalGet(SECOND)); time = cal.getTimeInMillis(); } } public void set(int field, int value) { switch (field) { case DATE: { super.set(field, 0); add(field, value); break; } case MONTH: { if (value > 11) { super.set(field, 11); add(field, value - 11); } else if (value < 0) { super.set(field, 0); add(field, value); } else { super.set(field, value); } break; } case DAY_OF_YEAR: { if (isSet(YEAR) && isSet(MONTH) && isSet(DAY_OF_MONTH)) { super.set(YEAR, internalGet(YEAR)); super.set(MONTH, 0); super.set(DATE, 0); add(field, value); } else { super.set(field, value); } break; } case WEEK_OF_YEAR: { if (isSet(YEAR) && isSet(MONTH) && isSet(DAY_OF_MONTH)) { add(field, value - get(WEEK_OF_YEAR)); } else { super.set(field, value); } break; } case WEEK_OF_MONTH: { if (isSet(YEAR) && isSet(MONTH) && isSet(DAY_OF_MONTH)) { add(field, value - get(WEEK_OF_MONTH)); } else { super.set(field, value); } break; } case DAY_OF_WEEK: { if (isSet(YEAR) && isSet(MONTH) && isSet(DAY_OF_MONTH)) { add(DAY_OF_WEEK, value % 7 - get(DAY_OF_WEEK)); } else { super.set(field, value); } break; } case HOUR_OF_DAY: case HOUR: case MINUTE: case SECOND: case MILLISECOND: case ZONE_OFFSET: case DST_OFFSET: { if (isSet(YEAR) && isSet(MONTH) && isSet(DATE) && isSet(HOUR) && isSet(HOUR_OF_DAY) && isSet(MINUTE) && isSet(SECOND) && isSet(MILLISECOND)) { cal = new GregorianCalendar(); YearMonthDate yearMonthDate = jalaliToGregorian(new YearMonthDate( internalGet(YEAR), internalGet(MONTH), internalGet(DATE))); cal.set(yearMonthDate.getYear(), yearMonthDate.getMonth(), yearMonthDate.getDate(), internalGet(HOUR_OF_DAY), internalGet(MINUTE), internalGet(SECOND)); cal.set(field, value); yearMonthDate = gregorianToJalali(new YearMonthDate( cal.get(YEAR), cal.get(MONTH), cal.get(DATE))); super.set(YEAR, yearMonthDate.getYear()); super.set(MONTH, yearMonthDate.getMonth()); super.set(DATE, yearMonthDate.getDate()); super.set(HOUR_OF_DAY, cal.get(HOUR_OF_DAY)); super.set(MINUTE, cal.get(MINUTE)); super.set(SECOND, cal.get(SECOND)); } else { super.set(field, value); } break; } default: { super.set(field, value); } } } @Override protected void computeFields() { boolean temp = isTimeSet; if (!areFieldsSet) { setMinimalDaysInFirstWeek(1); setFirstDayOfWeek(7); // Day_Of_Year int dayOfYear = 0; int index = 0; while (index < fields[2]) { dayOfYear += jalaliDaysInMonth[index++]; } dayOfYear += fields[5]; super.set(DAY_OF_YEAR, dayOfYear); // *** // Day_of_Week super.set(DAY_OF_WEEK, dayOfWeek(jalaliToGregorian(new YearMonthDate(fields[1], fields[2], fields[5])))); // *** // Day_Of_Week_In_Month if (0 < fields[5] && fields[5] < 8) { super.set(DAY_OF_WEEK_IN_MONTH, 1); } if (7 < fields[5] && fields[5] < 15) { super.set(DAY_OF_WEEK_IN_MONTH, 2); } if (14 < fields[5] && fields[5] < 22) { super.set(DAY_OF_WEEK_IN_MONTH, 3); } if (21 < fields[5] && fields[5] < 29) { super.set(DAY_OF_WEEK_IN_MONTH, 4); } if (28 < fields[5] && fields[5] < 32) { super.set(DAY_OF_WEEK_IN_MONTH, 5); } // *** // Week_Of_Year super.set(WEEK_OF_YEAR, weekOfYear(fields[6], fields[1])); // *** // Week_Of_Month super.set(WEEK_OF_MONTH, weekOfYear(fields[6], fields[1]) - weekOfYear(fields[6] - fields[5], fields[1]) + 1); // isTimeSet = temp; } } @Override public void add(int field, int amount) { if (field == MONTH) { amount += get(MONTH); add(YEAR, amount / 12); super.set(MONTH, amount % 12); if (get(DAY_OF_MONTH) > jalaliDaysInMonth[amount % 12]) { super.set(DAY_OF_MONTH, jalaliDaysInMonth[amount % 12]); if (get(MONTH) == 11 && isLeepYear(get(YEAR))) { super.set(DAY_OF_MONTH, 30); } } complete(); } else if (field == YEAR) { super.set(YEAR, get(YEAR) + amount); if (get(DAY_OF_MONTH) == 30 && get(MONTH) == 11 && !isLeepYear(get(YEAR))) { super.set(DAY_OF_MONTH, 29); } complete(); } else { YearMonthDate yearMonthDate = jalaliToGregorian(new YearMonthDate( get(YEAR), get(MONTH), get(DATE))); Calendar gc = new GregorianCalendar(yearMonthDate.getYear(), yearMonthDate.getMonth(), yearMonthDate.getDate(), get(HOUR_OF_DAY), get(MINUTE), get(SECOND)); gc.add(field, amount); yearMonthDate = gregorianToJalali(new YearMonthDate(gc.get(YEAR), gc.get(MONTH), gc.get(DATE))); super.set(YEAR, yearMonthDate.getYear()); super.set(MONTH, yearMonthDate.getMonth()); super.set(DATE, yearMonthDate.getDate()); super.set(HOUR_OF_DAY, gc.get(HOUR_OF_DAY)); super.set(MINUTE, gc.get(MINUTE)); super.set(SECOND, gc.get(SECOND)); complete(); } } @Override public void roll(int field, boolean up) { roll(field, up ? +1 : -1); } @Override public void roll(int field, int amount) { if (amount == 0) { return; } if (field < 0 || field >= ZONE_OFFSET) { throw new IllegalArgumentException(); } complete(); switch (field) { case AM_PM: { if (amount % 2 != 0) { if (internalGet(AM_PM) == AM) { fields[AM_PM] = PM; } else { fields[AM_PM] = AM; } if (get(AM_PM) == AM) { super.set(HOUR_OF_DAY, get(HOUR)); } else { super.set(HOUR_OF_DAY, get(HOUR) + 12); } } break; } case YEAR: { super.set(YEAR, internalGet(YEAR) + amount); if (internalGet(MONTH) == 11 && internalGet(DAY_OF_MONTH) == 30 && !isLeepYear(internalGet(YEAR))) { super.set(DAY_OF_MONTH, 29); } break; } case MINUTE: { int unit = 60; int m = (internalGet(MINUTE) + amount) % unit; if (m < 0) { m += unit; } super.set(MINUTE, m); break; } case SECOND: { int unit = 60; int s = (internalGet(SECOND) + amount) % unit; if (s < 0) { s += unit; } super.set(SECOND, s); break; } case MILLISECOND: { int unit = 1000; int ms = (internalGet(MILLISECOND) + amount) % unit; if (ms < 0) { ms += unit; } super.set(MILLISECOND, ms); break; } case HOUR: { super.set(HOUR, (internalGet(HOUR) + amount) % 12); if (internalGet(HOUR) < 0) { fields[HOUR] += 12; } if (internalGet(AM_PM) == AM) { super.set(HOUR_OF_DAY, internalGet(HOUR)); } else { super.set(HOUR_OF_DAY, internalGet(HOUR) + 12); } break; } case HOUR_OF_DAY: { fields[HOUR_OF_DAY] = (internalGet(HOUR_OF_DAY) + amount) % 24; if (internalGet(HOUR_OF_DAY) < 0) { fields[HOUR_OF_DAY] += 24; } if (internalGet(HOUR_OF_DAY) < 12) { fields[AM_PM] = AM; fields[HOUR] = internalGet(HOUR_OF_DAY); } else { fields[AM_PM] = PM; fields[HOUR] = internalGet(HOUR_OF_DAY) - 12; } } case MONTH: { int mon = (internalGet(MONTH) + amount) % 12; if (mon < 0) { mon += 12; } super.set(MONTH, mon); int monthLen = jalaliDaysInMonth[mon]; if (internalGet(MONTH) == 11 && isLeepYear(internalGet(YEAR))) { monthLen = 30; } if (internalGet(DAY_OF_MONTH) > monthLen) { super.set(DAY_OF_MONTH, monthLen); } break; } case DAY_OF_MONTH: { int unit = 0; if (0 <= get(MONTH) && get(MONTH) <= 5) { unit = 31; } if (6 <= get(MONTH) && get(MONTH) <= 10) { unit = 30; } if (get(MONTH) == 11) { if (isLeepYear(get(YEAR))) { unit = 30; } else { unit = 29; } } int d = (get(DAY_OF_MONTH) + amount) % unit; if (d < 0) { d += unit; } super.set(DAY_OF_MONTH, d); break; } case WEEK_OF_YEAR: { break; } case DAY_OF_YEAR: { int unit = (isLeepYear(internalGet(YEAR)) ? 366 : 365); int dayOfYear = (internalGet(DAY_OF_YEAR) + amount) % unit; dayOfYear = (dayOfYear > 0) ? dayOfYear : dayOfYear + unit; int month = 0, temp = 0; while (dayOfYear > temp) { temp += jalaliDaysInMonth[month++]; } super.set(MONTH, --month); super.set(DAY_OF_MONTH, jalaliDaysInMonth[internalGet(MONTH)] - (temp - dayOfYear)); break; } case DAY_OF_WEEK: { int index = amount % 7; if (index < 0) { index += 7; } int i = 0; while (i != index) { if (internalGet(DAY_OF_WEEK) == FRIDAY) { add(DAY_OF_MONTH, -6); } else { add(DAY_OF_MONTH, +1); } i++; } break; } default: throw new IllegalArgumentException(); } } @Override public int getMinimum(int field) { return MIN_VALUES[field]; } @Override public int getMaximum(int field) { return MAX_VALUES[field]; } @Override public int getGreatestMinimum(int field) { return MIN_VALUES[field]; } @Override public int getLeastMaximum(int field) { return LEAST_MAX_VALUES[field]; } public static class YearMonthDate { public YearMonthDate(int year, int month, int date) { this.year = year; this.month = month; this.date = date; } private int year; private int month; private int date; public int getYear() { return year; } public void setYear(int year) { this.year = year; } public int getMonth() { return month; } public void setMonth(int month) { this.month = month; } public int getDate() { return date; } public void setDate(int date) { this.date = date; } public String toString() { return getYear() + "/" + getMonth() + "/" + getDate(); } } }

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      import java.util.Calendar; import java.util.Date; import java.util.GregorianCalendar; import java.util.Locale; import java.util.TimeZone; public class JalaliCalendar extends Calendar {     public static int gregorianDaysInMonth[] = { 31, 28, 31, 30, 31, 30, 31,             31, 30, 31, 30, 31 };     public static int jalaliDaysInMonth[] = { 31, 31, 31, 31, 31, 31, 30, 30,             30, 30, 30, 29 };     public final static int FARVARDIN = 0;     public final static int ORDIBEHESHT = 1;     public final static int KHORDAD = 2;     public final static int TIR = 3;     public final static int MORDAD = 4;     public final static int SHAHRIVAR = 5;     public final static int MEHR = 6;     public final static int ABAN = 7;     public final static int AZAR = 8;     public final static int DEY = 9;     public final static int BAHMAN = 10;     public final static int ESFAND = 11;     private static TimeZone timeZone = TimeZone.getDefault();     private static boolean isTimeSeted = false;     private static final int ONE_SECOND = 1000;     private static final int ONE_MINUTE = 60 * ONE_SECOND;     private static final int ONE_HOUR = 60 * ONE_MINUTE;     private static final long ONE_DAY = 24 * ONE_HOUR;     static final int BCE = 0;     static final int CE = 1;     public static final int AD = 1;     private GregorianCalendar cal;     static final int MIN_VALUES[] = { BCE, 1, FARVARDIN, 1, 0, 1, 1, SATURDAY,             1, AM, 0, 0, 0, 0, 0, -13 * ONE_HOUR, 0 };     static final int LEAST_MAX_VALUES[] = { CE, 292269054, ESFAND, 52, 4, 28,             365, FRIDAY, 4, PM, 11, 23, 59, 59, 999, 14 * ONE_HOUR,             20 * ONE_MINUTE };     static final int MAX_VALUES[] = { CE, 292278994, ESFAND, 53, 6, 31, 366,             FRIDAY, 6, PM, 11, 23, 59, 59, 999, 14 * ONE_HOUR, 2 * ONE_HOUR };     public JalaliCalendar() {         this(TimeZone.getDefault(), Locale.getDefault());     }     public JalaliCalendar(TimeZone zone) {         this(zone, Locale.getDefault());     }     public JalaliCalendar(Locale aLocale) {         this(TimeZone.getDefault(), aLocale);     }     public JalaliCalendar(TimeZone zone, Locale aLocale) {         super(zone, aLocale);         timeZone = zone;         Calendar calendar = Calendar.getInstance(zone, aLocale);         YearMonthDate yearMonthDate = new YearMonthDate(calendar.get(YEAR),                 calendar.get(MONTH), calendar.get(DATE));         yearMonthDate = gregorianToJalali(yearMonthDate);         set(yearMonthDate.getYear(), yearMonthDate.getMonth(),                 yearMonthDate.getDate());         complete();     }     public Date getGregorianDate(String jalaliDate) {         String[] arr = jalaliDate.split("/");         YearMonthDate jalali = new YearMonthDate(Integer.parseInt(arr[0]),                 Integer.parseInt(arr[1]) - 1, Integer.parseInt(arr[2]));         YearMonthDate gDate = jalaliToGregorian(jalali);         Calendar cal = Calendar.getInstance();         cal.clear();         cal.set(gDate.getYear(), gDate.getMonth(), gDate.getDate());         Date dt = cal.getTime();         return dt;     }     public String getJalaliDate(Date gDate) {         Calendar gCal = Calendar.getInstance();         gCal.clear();         gCal.setTime(gDate);         Date dt = gCal.getTime();         int myYear = gCal.get(Calendar.YEAR);         int myMonth = gCal.get(Calendar.MONTH);         int myDay = gCal.get(Calendar.DAY_OF_MONTH);         YearMonthDate gMyDate = new YearMonthDate(myYear, myMonth, myDay);         YearMonthDate jDate = gregorianToJalali(gMyDate);         String jalali = jDate.year + "/" + (jDate.month + 1) + "/" + jDate.date;         return jalali;     }     public JalaliCalendar(int year, int month, int dayOfMonth) {         this(year, month, dayOfMonth, 0, 0, 0, 0);     }     public JalaliCalendar(int year, int month, int dayOfMonth, int hourOfDay,             int minute) {         this(year, month, dayOfMonth, hourOfDay, minute, 0, 0);     }     public JalaliCalendar(int year, int month, int dayOfMonth, int hourOfDay,             int minute, int second) {         this(year, month, dayOfMonth, hourOfDay, minute, second, 0);     }     JalaliCalendar(int year, int month, int dayOfMonth, int hourOfDay,             int minute, int second, int millis) {         super();         this.set(YEAR, year);         this.set(MONTH, month);         this.set(DAY_OF_MONTH, dayOfMonth);         if (hourOfDay >= 12 && hourOfDay <= 23) {             this.set(AM_PM, PM);             this.set(HOUR, hourOfDay - 12);         } else {             this.set(HOUR, hourOfDay);             this.set(AM_PM, AM);         }         this.set(HOUR_OF_DAY, hourOfDay);         this.set(MINUTE, minute);         this.set(SECOND, second);         this.set(MILLISECOND, millis);         YearMonthDate yearMonthDate = jalaliToGregorian(new YearMonthDate(                 fields[1], fields[2], fields[5]));         cal = new GregorianCalendar(yearMonthDate.getYear(),                 yearMonthDate.getMonth(), yearMonthDate.getDate(), hourOfDay,                 minute, second);         time = cal.getTimeInMillis();         isTimeSeted = true;     }     public static YearMonthDate gregorianToJalali(YearMonthDate gregorian) {         if (gregorian.getMonth() > 11 || gregorian.getMonth() < -11) {             throw new IllegalArgumentException();         }         int jalaliYear;         int jalaliMonth;         int jalaliDay;         int gregorianDayNo, jalaliDayNo;         int jalaliNP;         int i;         gregorian.setYear(gregorian.getYear() - 1600);         gregorian.setDate(gregorian.getDate() - 1);         gregorianDayNo = 365 * gregorian.getYear()                 + (int) Math.floor((gregorian.getYear() + 3) / 4)                 - (int) Math.floor((gregorian.getYear() + 99) / 100)                 + (int) Math.floor((gregorian.getYear() + 399) / 400);         for (i = 0; i < gregorian.getMonth(); ++i) {             gregorianDayNo += gregorianDaysInMonth[i];         }         if (gregorian.getMonth() > 1                 && ((gregorian.getYear() % 4 == 0 && gregorian.getYear() % 100 != 0) || (gregorian                         .getYear() % 400 == 0))) {             ++gregorianDayNo;         }         gregorianDayNo += gregorian.getDate();         jalaliDayNo = gregorianDayNo - 79;         jalaliNP = (int) Math.floor(jalaliDayNo / 12053);         jalaliDayNo = jalaliDayNo % 12053;         jalaliYear = 979 + 33 * jalaliNP + 4 * (int) (jalaliDayNo / 1461);         jalaliDayNo = jalaliDayNo % 1461;         if (jalaliDayNo >= 366) {             jalaliYear += (int) Math.floor((jalaliDayNo - 1) / 365);             jalaliDayNo = (jalaliDayNo - 1) % 365;         }         for (i = 0; i < 11 && jalaliDayNo >= jalaliDaysInMonth[i]; ++i) {             jalaliDayNo -= jalaliDaysInMonth[i];         }         jalaliMonth = i;         jalaliDay = jalaliDayNo + 1;         return new YearMonthDate(jalaliYear, jalaliMonth, jalaliDay);     }     public static YearMonthDate jalaliToGregorian(YearMonthDate jalali) {         if (jalali.getMonth() > 11 || jalali.getMonth() < -11) {             throw new IllegalArgumentException();         }         int gregorianYear;         int gregorianMonth;         int gregorianDay;         int gregorianDayNo, jalaliDayNo;         int leap;         int i;         jalali.setYear(jalali.getYear() - 979);         jalali.setDate(jalali.getDate() - 1);         jalaliDayNo = 365 * jalali.getYear() + (int) (jalali.getYear() / 33)                 * 8 + (int) Math.floor(((jalali.getYear() % 33) + 3) / 4);         for (i = 0; i < jalali.getMonth(); ++i) {             jalaliDayNo += jalaliDaysInMonth[i];         }         jalaliDayNo += jalali.getDate();         gregorianDayNo = jalaliDayNo + 79;         gregorianYear = 1600 + 400 * (int) Math.floor(gregorianDayNo / 146097); /*                                                                                  * 146097                                                                                  * =                                                                                  * 365                                                                                  * *                                                                                  * 400                                                                                  * +                                                                                  * 400                                                                                  * /                                                                                  * 4                                                                                  * -                                                                                  * 400                                                                                  * /                                                                                  * 100                                                                                  * +                                                                                  * 400                                                                                  * /                                                                                  * 400                                                                                  */         gregorianDayNo = gregorianDayNo % 146097;         leap = 1;         if (gregorianDayNo >= 36525) /* 36525 = 365*100 + 100/4 */{             gregorianDayNo--;             gregorianYear += 100 * (int) Math.floor(gregorianDayNo / 36524); /*                                                                              * 36524                                                                              * =                                                                              * 365                                                                              * *                                                                              * 100                                                                              * +                                                                              * 100                                                                              * /                                                                              * 4                                                                              * -                                                                              * 100                                                                              * /                                                                              * 100                                                                              */             gregorianDayNo = gregorianDayNo % 36524;             if (gregorianDayNo >= 365) {                 gregorianDayNo++;             } else {                 leap = 0;             }         }         gregorianYear += 4 * (int) Math.floor(gregorianDayNo / 1461); /*                                                                      * 1461 =                                                                      * 365*4 +                                                                      * 4/4                                                                      */         gregorianDayNo = gregorianDayNo % 1461;         if (gregorianDayNo >= 366) {             leap = 0;             gregorianDayNo--;             gregorianYear += (int) Math.floor(gregorianDayNo / 365);             gregorianDayNo = gregorianDayNo % 365;         }         for (i = 0; gregorianDayNo >= gregorianDaysInMonth[i]                 + ((i == 1 && leap == 1) ? i : 0); i++) {             gregorianDayNo -= gregorianDaysInMonth[i]                     + ((i == 1 && leap == 1) ? i : 0);         }         gregorianMonth = i;         gregorianDay = gregorianDayNo + 1;         return new YearMonthDate(gregorianYear, gregorianMonth, gregorianDay);     }     public static int weekOfYear(int dayOfYear, int year) {         switch (dayOfWeek(JalaliCalendar.jalaliToGregorian(new YearMonthDate(                 year, 0, 1)))) {         case 2:             dayOfYear++;             break;         case 3:             dayOfYear += 2;             break;         case 4:             dayOfYear += 3;             break;         case 5:             dayOfYear += 4;             break;         case 6:             dayOfYear += 5;             break;         case 7:             dayOfYear--;             break;         }         ;         dayOfYear = (int) Math.floor(dayOfYear / 7);         return dayOfYear + 1;     }     public static int dayOfWeek(YearMonthDate yearMonthDate) {         Calendar cal = new GregorianCalendar(yearMonthDate.getYear(),                 yearMonthDate.getMonth(), yearMonthDate.getDate());         return cal.get(DAY_OF_WEEK);     }     public static boolean isLeepYear(int year) {         // Algorithm from www.wikipedia.com         if ((year % 33 == 1 || year % 33 == 5 || year % 33 == 9                 || year % 33 == 13 || year % 33 == 17 || year % 33 == 22                 || year % 33 == 26 || year % 33 == 30)) {             return true;         } else             return false;     }     @Override     protected void computeTime() {         if (!isTimeSet && !isTimeSeted) {             Calendar cal = GregorianCalendar.getInstance(timeZone);             if (!isSet(HOUR_OF_DAY)) {                 super.set(HOUR_OF_DAY, cal.get(HOUR_OF_DAY));             }             if (!isSet(HOUR)) {                 super.set(HOUR, cal.get(HOUR));             }             if (!isSet(MINUTE)) {                 super.set(MINUTE, cal.get(MINUTE));             }             if (!isSet(SECOND)) {                 super.set(SECOND, cal.get(SECOND));             }             if (!isSet(MILLISECOND)) {                 super.set(MILLISECOND, cal.get(MILLISECOND));             }             if (!isSet(ZONE_OFFSET)) {                 super.set(ZONE_OFFSET, cal.get(ZONE_OFFSET));             }             if (!isSet(DST_OFFSET)) {                 super.set(DST_OFFSET, cal.get(DST_OFFSET));             }             if (!isSet(AM_PM)) {                 super.set(AM_PM, cal.get(AM_PM));             }             if (internalGet(HOUR_OF_DAY) >= 12                     && internalGet(HOUR_OF_DAY) <= 23) {                 super.set(AM_PM, PM);                 super.set(HOUR, internalGet(HOUR_OF_DAY) - 12);             } else {                 super.set(HOUR, internalGet(HOUR_OF_DAY));                 super.set(AM_PM, AM);             }             YearMonthDate yearMonthDate = jalaliToGregorian(new YearMonthDate(                     internalGet(YEAR), internalGet(MONTH),                     internalGet(DAY_OF_MONTH)));             cal.set(yearMonthDate.getYear(), yearMonthDate.getMonth(),                     yearMonthDate.getDate(), internalGet(HOUR_OF_DAY),                     internalGet(MINUTE), internalGet(SECOND));             time = cal.getTimeInMillis();         } else if (!isTimeSet && isTimeSeted) {             if (internalGet(HOUR_OF_DAY) >= 12                     && internalGet(HOUR_OF_DAY) <= 23) {                 super.set(AM_PM, PM);                 super.set(HOUR, internalGet(HOUR_OF_DAY) - 12);             } else {                 super.set(HOUR, internalGet(HOUR_OF_DAY));                 super.set(AM_PM, AM);             }             cal = new GregorianCalendar();             super.set(ZONE_OFFSET, timeZone.getRawOffset());             super.set(DST_OFFSET, timeZone.getDSTSavings());             YearMonthDate yearMonthDate = jalaliToGregorian(new YearMonthDate(                     internalGet(YEAR), internalGet(MONTH),                     internalGet(DAY_OF_MONTH)));             cal.set(yearMonthDate.getYear(), yearMonthDate.getMonth(),                     yearMonthDate.getDate(), internalGet(HOUR_OF_DAY),                     internalGet(MINUTE), internalGet(SECOND));             time = cal.getTimeInMillis();         }     }     public void set(int field, int value) {         switch (field) {         case DATE: {             super.set(field, 0);             add(field, value);             break;         }         case MONTH: {             if (value > 11) {                 super.set(field, 11);                 add(field, value - 11);             } else if (value < 0) {                 super.set(field, 0);                 add(field, value);             } else {                 super.set(field, value);             }             break;         }         case DAY_OF_YEAR: {             if (isSet(YEAR) && isSet(MONTH) && isSet(DAY_OF_MONTH)) {                 super.set(YEAR, internalGet(YEAR));                 super.set(MONTH, 0);                 super.set(DATE, 0);                 add(field, value);             } else {                 super.set(field, value);             }             break;         }         case WEEK_OF_YEAR: {             if (isSet(YEAR) && isSet(MONTH) && isSet(DAY_OF_MONTH)) {                 add(field, value - get(WEEK_OF_YEAR));             } else {                 super.set(field, value);             }             break;         }         case WEEK_OF_MONTH: {             if (isSet(YEAR) && isSet(MONTH) && isSet(DAY_OF_MONTH)) {                 add(field, value - get(WEEK_OF_MONTH));             } else {                 super.set(field, value);             }             break;         }         case DAY_OF_WEEK: {             if (isSet(YEAR) && isSet(MONTH) && isSet(DAY_OF_MONTH)) {                 add(DAY_OF_WEEK, value % 7 - get(DAY_OF_WEEK));             } else {                 super.set(field, value);             }             break;         }         case HOUR_OF_DAY:         case HOUR:         case MINUTE:         case SECOND:         case MILLISECOND:         case ZONE_OFFSET:         case DST_OFFSET: {             if (isSet(YEAR) && isSet(MONTH) && isSet(DATE) && isSet(HOUR)                     && isSet(HOUR_OF_DAY) && isSet(MINUTE) && isSet(SECOND)                     && isSet(MILLISECOND)) {                 cal = new GregorianCalendar();                 YearMonthDate yearMonthDate = jalaliToGregorian(new YearMonthDate(                         internalGet(YEAR), internalGet(MONTH),                         internalGet(DATE)));                 cal.set(yearMonthDate.getYear(), yearMonthDate.getMonth(),                         yearMonthDate.getDate(), internalGet(HOUR_OF_DAY),                         internalGet(MINUTE), internalGet(SECOND));                 cal.set(field, value);                 yearMonthDate = gregorianToJalali(new YearMonthDate(                         cal.get(YEAR), cal.get(MONTH), cal.get(DATE)));                 super.set(YEAR, yearMonthDate.getYear());                 super.set(MONTH, yearMonthDate.getMonth());                 super.set(DATE, yearMonthDate.getDate());                 super.set(HOUR_OF_DAY, cal.get(HOUR_OF_DAY));                 super.set(MINUTE, cal.get(MINUTE));                 super.set(SECOND, cal.get(SECOND));             } else {                 super.set(field, value);             }             break;         }         default: {             super.set(field, value);         }         }     }     @Override     protected void computeFields() {         boolean temp = isTimeSet;         if (!areFieldsSet) {             setMinimalDaysInFirstWeek(1);             setFirstDayOfWeek(7);             // Day_Of_Year             int dayOfYear = 0;             int index = 0;             while (index < fields[2]) {                 dayOfYear += jalaliDaysInMonth[index++];             }             dayOfYear += fields[5];             super.set(DAY_OF_YEAR, dayOfYear);             // ***             // Day_of_Week             super.set(DAY_OF_WEEK,                     dayOfWeek(jalaliToGregorian(new YearMonthDate(fields[1],                             fields[2], fields[5]))));             // ***             // Day_Of_Week_In_Month             if (0 < fields[5] && fields[5] < 8) {                 super.set(DAY_OF_WEEK_IN_MONTH, 1);             }             if (7 < fields[5] && fields[5] < 15) {                 super.set(DAY_OF_WEEK_IN_MONTH, 2);             }             if (14 < fields[5] && fields[5] < 22) {                 super.set(DAY_OF_WEEK_IN_MONTH, 3);             }             if (21 < fields[5] && fields[5] < 29) {                 super.set(DAY_OF_WEEK_IN_MONTH, 4);             }             if (28 < fields[5] && fields[5] < 32) {                 super.set(DAY_OF_WEEK_IN_MONTH, 5);             }             // ***             // Week_Of_Year             super.set(WEEK_OF_YEAR, weekOfYear(fields[6], fields[1]));             // ***             // Week_Of_Month             super.set(WEEK_OF_MONTH, weekOfYear(fields[6], fields[1])                     - weekOfYear(fields[6] - fields[5], fields[1]) + 1);             //             isTimeSet = temp;         }     }     @Override     public void add(int field, int amount) {         if (field == MONTH) {             amount += get(MONTH);             add(YEAR, amount / 12);             super.set(MONTH, amount % 12);             if (get(DAY_OF_MONTH) > jalaliDaysInMonth[amount % 12]) {                 super.set(DAY_OF_MONTH, jalaliDaysInMonth[amount % 12]);                 if (get(MONTH) == 11 && isLeepYear(get(YEAR))) {                     super.set(DAY_OF_MONTH, 30);                 }             }             complete();         } else if (field == YEAR) {             super.set(YEAR, get(YEAR) + amount);             if (get(DAY_OF_MONTH) == 30 && get(MONTH) == 11                     && !isLeepYear(get(YEAR))) {                 super.set(DAY_OF_MONTH, 29);             }             complete();         } else {             YearMonthDate yearMonthDate = jalaliToGregorian(new YearMonthDate(                     get(YEAR), get(MONTH), get(DATE)));             Calendar gc = new GregorianCalendar(yearMonthDate.getYear(),                     yearMonthDate.getMonth(), yearMonthDate.getDate(),                     get(HOUR_OF_DAY), get(MINUTE), get(SECOND));             gc.add(field, amount);             yearMonthDate = gregorianToJalali(new YearMonthDate(gc.get(YEAR),                     gc.get(MONTH), gc.get(DATE)));             super.set(YEAR, yearMonthDate.getYear());             super.set(MONTH, yearMonthDate.getMonth());             super.set(DATE, yearMonthDate.getDate());             super.set(HOUR_OF_DAY, gc.get(HOUR_OF_DAY));             super.set(MINUTE, gc.get(MINUTE));             super.set(SECOND, gc.get(SECOND));             complete();         }     }     @Override     public void roll(int field, boolean up) {         roll(field, up ? +1 : -1);     }     @Override     public void roll(int field, int amount) {         if (amount == 0) {             return;         }         if (field < 0 || field >= ZONE_OFFSET) {             throw new IllegalArgumentException();         }         complete();         switch (field) {         case AM_PM: {             if (amount % 2 != 0) {                 if (internalGet(AM_PM) == AM) {                     fields[AM_PM] = PM;                 } else {                     fields[AM_PM] = AM;                 }                 if (get(AM_PM) == AM) {                     super.set(HOUR_OF_DAY, get(HOUR));                 } else {                     super.set(HOUR_OF_DAY, get(HOUR) + 12);                 }             }             break;         }         case YEAR: {             super.set(YEAR, internalGet(YEAR) + amount);             if (internalGet(MONTH) == 11 && internalGet(DAY_OF_MONTH) == 30                     && !isLeepYear(internalGet(YEAR))) {                 super.set(DAY_OF_MONTH, 29);             }             break;         }         case MINUTE: {             int unit = 60;             int m = (internalGet(MINUTE) + amount) % unit;             if (m < 0) {                 m += unit;             }             super.set(MINUTE, m);             break;         }         case SECOND: {             int unit = 60;             int s = (internalGet(SECOND) + amount) % unit;             if (s < 0) {                 s += unit;             }             super.set(SECOND, s);             break;         }         case MILLISECOND: {             int unit = 1000;             int ms = (internalGet(MILLISECOND) + amount) % unit;             if (ms < 0) {                 ms += unit;             }             super.set(MILLISECOND, ms);             break;         }         case HOUR: {             super.set(HOUR, (internalGet(HOUR) + amount) % 12);             if (internalGet(HOUR) < 0) {                 fields[HOUR] += 12;             }             if (internalGet(AM_PM) == AM) {                 super.set(HOUR_OF_DAY, internalGet(HOUR));             } else {                 super.set(HOUR_OF_DAY, internalGet(HOUR) + 12);             }             break;         }         case HOUR_OF_DAY: {             fields[HOUR_OF_DAY] = (internalGet(HOUR_OF_DAY) + amount) % 24;             if (internalGet(HOUR_OF_DAY) < 0) {                 fields[HOUR_OF_DAY] += 24;             }             if (internalGet(HOUR_OF_DAY) < 12) {                 fields[AM_PM] = AM;                 fields[HOUR] = internalGet(HOUR_OF_DAY);             } else {                 fields[AM_PM] = PM;                 fields[HOUR] = internalGet(HOUR_OF_DAY) - 12;             }         }         case MONTH: {             int mon = (internalGet(MONTH) + amount) % 12;             if (mon < 0) {                 mon += 12;             }             super.set(MONTH, mon);             int monthLen = jalaliDaysInMonth[mon];             if (internalGet(MONTH) == 11 && isLeepYear(internalGet(YEAR))) {                 monthLen = 30;             }             if (internalGet(DAY_OF_MONTH) > monthLen) {                 super.set(DAY_OF_MONTH, monthLen);             }             break;         }         case DAY_OF_MONTH: {             int unit = 0;             if (0 <= get(MONTH) && get(MONTH) <= 5) {                 unit = 31;             }             if (6 <= get(MONTH) && get(MONTH) <= 10) {                 unit = 30;             }             if (get(MONTH) == 11) {                 if (isLeepYear(get(YEAR))) {                     unit = 30;                 } else {                     unit = 29;                 }             }             int d = (get(DAY_OF_MONTH) + amount) % unit;             if (d < 0) {                 d += unit;             }             super.set(DAY_OF_MONTH, d);             break;         }         case WEEK_OF_YEAR: {             break;         }         case DAY_OF_YEAR: {             int unit = (isLeepYear(internalGet(YEAR)) ? 366 : 365);             int dayOfYear = (internalGet(DAY_OF_YEAR) + amount) % unit;             dayOfYear = (dayOfYear > 0) ? dayOfYear : dayOfYear + unit;             int month = 0, temp = 0;             while (dayOfYear > temp) {                 temp += jalaliDaysInMonth[month++];             }             super.set(MONTH, --month);             super.set(DAY_OF_MONTH, jalaliDaysInMonth[internalGet(MONTH)]                     - (temp - dayOfYear));             break;         }         case DAY_OF_WEEK: {             int index = amount % 7;             if (index < 0) {                 index += 7;             }             int i = 0;             while (i != index) {                 if (internalGet(DAY_OF_WEEK) == FRIDAY) {                     add(DAY_OF_MONTH, -6);                 } else {                     add(DAY_OF_MONTH, +1);                 }                 i++;             }             break;         }         default:             throw new IllegalArgumentException();         }     }     @Override     public int getMinimum(int field) {         return MIN_VALUES[field];     }     @Override     public int getMaximum(int field) {         return MAX_VALUES[field];     }     @Override     public int getGreatestMinimum(int field) {         return MIN_VALUES[field];     }     @Override     public int getLeastMaximum(int field) {         return LEAST_MAX_VALUES[field];     }     public static class YearMonthDate {         public YearMonthDate(int year, int month, int date) {             this.year = year;             this.month = month;             this.date = date;         }         private int year;         private int month;         private int date;         public int getYear() {             return year;         }         public void setYear(int year) {             this.year = year;         }         public int getMonth() {             return month;         }         public void setMonth(int month) {             this.month = month;         }         public int getDate() {             return date;         }         public void setDate(int date) {             this.date = date;         }         public String toString() {             return getYear() + "/" + getMonth() + "/" + getDate();         }     } }

      و برای استفاده از آن می توانید مثل زیر عمل کنید

      java.util.Date dt = JalaliCalendar.getGregorianDate("1392/5/4"); String jDate = JalaliCalendar.getJalaliDate(dt);

      1 2	java.util.Date dt = JalaliCalendar.getGregorianDate("1392/5/4"); String jDate = JalaliCalendar.getJalaliDate(dt);

      موفق باشید.

      پاسخ

10. سلام من الارم منیجرم بعد از خاموش شدن گوشی دیگه کار نمیکنه. لطفا راهنمایی ام کنید

    پاسخ

    1. فکر میکنم broadcast receiver زیر مشکلتون حل کنه:
       ” action android:name=”android.intent.action.BOOT_COMPLETED”

       پاسخ

    2. سلام باید از سرویس استفاده کنید و در بخش Manifest آن را در هربار بوت اجرا کنید کد زیر را بررسی کنید.
       اول یه سرویس درست کنید سپس مثل زیر در هر بار بوت اجراش کنید.

       <receiver android:name="com.yourapp.BootBroadcastReceiver" android:enabled="true" > <intent-filter> <action android:name="android.intent.action.BOOT_COMPLETED" /> </intent-filter> </receiver>

       1 2 3 4 5 6 7

       <receiver android:name="com.yourapp.BootBroadcastReceiver" android:enabled="true" > <intent-filter>     <action android:name="android.intent.action.BOOT_COMPLETED" /> </intent-filter> </receiver>

       اینهم کد مربوط به سرویس

       public class BootBroadcastReceiver extends BroadcastReceiver { @Override public void onReceive(Context pContext, Intent intent) { // Do your work related to alarm manager } }

       1 2 3 4 5 6

       public class BootBroadcastReceiver extends BroadcastReceiver {     @Override     public void onReceive(Context pContext, Intent intent) {         // Do your work related to alarm manager     } }

       موفق باشید.

       پاسخ

11. سلام، ببخشید مطمئنید که Service نمی خواد چون اگه برنامه بسته بشه کامل دیگه کار نمی کنه، Broadcast Receiver هم از کار میفته!
    یا اینکه ما داریم با آلارم گوشی داریم کار می کنیم؟!

    پاسخ

    1. سلام استفاده از سرویس اجباری نیست ولی استفاده از آن منطقی است ولی بازهم نیاز نیست چون می توان در بخش filter مربوط به manifest بهش boot رو اضافه کنید تا در هر بار خاموش روشن شدن گوشی اتوماتیک ست بشه ولی با استفاده از سرویس شاید اینکار به مراتب راحتر باشد.
       موفق و پیروز باشید.

       پاسخ

       1. سلام بی سرویس و دادن دسترسی بوت در مانی فست الارم منیجر کار میکنه ولی بعد از بوت شدن گوشی نه زمانی که در الارم منیجر ذخیره کردم

          پاسخ

12. سلام
    چیکار کنیم که این الارم منیجر برای دفعه اول اجرا نشه ؟؟؟

    پاسخ

    1. سلام و درود با ایجاد یک shareperfence چک کنید در اولین بار این امر انجام نشود.
       موفق و پیروز باشید.

       پاسخ

13. سلام
    من آلارم رو تنظیم می کنم و وقتی برنامه در حال اجرا باشه انجام میشه. اما وقتی برنامه در بک گراند توسط اندروید کیل میشه دیگه آلارم هام کار نمی کنه. نوتیفیکیشن هم تنظیم کردم که هر روز فایر بشه اما در گوشی خودم با کیل شدن برنامه در بک گراند، نوتیفیکیشن هم متوقف میشه اما در گوشی مامانم متوقف نمی شه. اندروید گوشی مامانم قدیمی تر از مال منه. اما اپلیکیشن های دیگه ای که دارم، مثل باد صبا، در گوشی خودم حتی اگه کیل شده باشن باز هم آلارم و نوتیفیکیشن شون ران می شه. می شه راهنمایی م کنید؟

    پاسخ

    1. سلام و درود
       باید دوبار آلارم ست شود یعنی یکبار در اولین بار که برنامه اجرا می شود پس یکبار در همان صفحه اصلیتون این کار رو بکنید و یک سرویس درست کنید تا در هر بار خاموش روشن شدن گوشی بیاید این آلارمتون رو صدا بزنید یعنی یک سرویس ایجاد کرده تا این کار را برای شما انجام دهد.
       موفق باشید.

       پاسخ

14. سلام . اول یه تشکر بابت زحماتتون . دوم هم اینکه این کد برا من ارور میده . هیچ کدوم از context هارو نمیشناسه و ارور میده . همچنین set ، setTimezone ، getTime zone و getTimeInMillis هم آندرلاین قرمز دارن . ممنون میشم راهنماییم کنید

    پاسخ

    1. سلام
       context که مشیه root اکتیویتتیون باید هر جایی که استفاده می کنید context رو بریزید متود هایی که گفتید مشکلی ندارد.

       پاسخ

15. سلام شما توی این اموزش یک ساعت خاص براش گذاشتین من میخوام یک ساعت یک بار یک کار انجام بشه؟؟

    پاسخ

    1. سلام با SharePrefrence چک کنید در سایت سرچ کنید هست.

       پاسخ

16. سلام من به یک مشکل بر خوردم این ها رو ست کردم به یک الارم ولی مشکل الان اینجاس که هر چند دقیقه یه بار الارم میزنه من میخوام فقط یه بار الارم بزنه اگ کمکم کنید ممنون میشم .

    پاسخ

17. سلام :
    من الارم منیجر رو ساختم حالا میخوام اگه کاربر وارد نرم افزار شد و خواست چند تا زمان تنظیم کنه باید چه کدی بنویسیم
    تشکر از سایت خوبتون

    پاسخ

18. سلام دوستان
    من از setInexcatRepeating برای تکرار شدن یک کد استفاده کردم، توی گوشی با APK 19 کد ها در زمان مورد نظرم اجرا میشه ولی در گوشی دیگری با apk 26 (اندروید 8) کدها عقب جلو کار میکنه. حتی تا 10 ثانیه عقب و جلو میشه.
    زمان رو هم روی 70 * 1000 میلی ثانیه تنظیم کردم.
    من میخوام برنامه ام از اندروید کیت کت (19) به بعد قابل استفاده باشه.
    لطفا راهنمایی کنید، ممنون

    پاسخ