What is the easiest way to get the current day of the week in Android

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What would be the easiest way to get the current day of the week in Android

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public String weekdays     new      DateFormatSymbols Locale ITALIAN  getWeekdays     Calendar c   Calendar getInstance     Date date   new Date     c setTime date    int dayOfWeek   c get Calendar DAY OF WEEK    System out println dayOfWeek    System out println weekdays dayOfWeek

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Using both method you find easy if you wont last seven days you use  currentdaynumber 7-1  7  currentdaynumber 7-2  7     upto 6  public static String getDayName int day       switch day           case 0              return  Sunday           case 1              return  Monday           case 2              return  Tuesday           case 3              return  Wednesday           case 4              return  Thursday           case 5              return   Friday           case 6              return  Saturday              return  Worng Day     public static String getCurrentDay        SimpleDateFormat dayFormat   new SimpleDateFormat  EEEE   Locale US       Calendar calendar   Calendar getInstance        return dayFormat format calendar getTime

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Calendar getInstance   get Calendar DAY OF WEEK    or   new GregorianCalendar   get Calendar DAY OF WEEK     Just the same as in Java  nothing particular to Android

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Java 8 datetime API made it so much easier     LocalDate now   getDayOfWeek   name     Will return you the name of the day as String     Output   THURSDAY

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If you want to define the date string in strings xml  You can do like below  Calendar DAY OF WEEK return value from 1 - gt  7  lt   gt  Calendar SUNDAY - gt  Calendar SATURDAY strings xml  lt string-array name  quot title day of week quot  gt       lt item gt   lt  item gt   lt  -- sunday -- gt       lt item gt   lt  item gt   lt  -- monday -- gt       lt item gt   lt  item gt       lt item gt   lt  item gt       lt item gt   lt  item gt       lt item gt   lt  item gt       lt item gt   lt  item gt   lt  -- saturday -- gt   lt  string-array gt   DateExtension kt fun String getDayOfWeek context  Context  format  String   String       val date   SimpleDateFormat format  Locale getDefault    parse this      return date  getDayOfWeek context      quot unknown quot     fun Date getDayOfWeek context  Context   String       val c   Calendar getInstance   apply   time   this getDayOfWeek       return context resources getStringArray R array title day of week  c Calendar DAY OF WEEK  - 1     Using    get current day val currentDay   Date   getDayOfWeek context      get specific day val dayString    quot 2021-1-4 quot  val day   dayString getDayOfWeek context   quot yyyy-MM-dd quot

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you can use that code for Kotlin which you will use calendar class from java into Kotlin       val day   Calendar getInstance   get Calendar DAY OF WEEK       fun dayOfWeek         println  What day is it today        val day   Calendar getInstance   get Calendar DAY OF WEEK      println  when  day          1 - gt   Sunday        2 - gt   Monday        3 - gt   Tuesday        4 - gt   Wednesday        5 - gt   Thursday        6 - gt   Friday        7 - gt   Saturday        else - gt   Time has stopped

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Use the Java Calendar class  Calendar calendar   Calendar getInstance    int day   calendar get Calendar DAY OF WEEK     switch  day        case Calendar SUNDAY             Current day is Sunday         break      case Calendar MONDAY             Current day is Monday         break      case Calendar TUESDAY             etc          break

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Calendar calendar   Calendar getInstance    Date date   calendar getTime       3 letter name form of the day System out println new SimpleDateFormat  EE   Locale ENGLISH  format date getTime         full name form of the day System out println new SimpleDateFormat  EEEE   Locale ENGLISH  format date getTime        Result  for today     Sat Saturday     UPDATE  java8  LocalDate date   LocalDate now    DayOfWeek dow   date getDayOfWeek    System out println  Enum       dow    String dayName   dow getDisplayName TextStyle FULL  Locale ENGLISH   System out println  FULL       dayName    dayName   dow getDisplayName TextStyle FULL STANDALONE  Locale ENGLISH   System out println  FULL STANDALONE       dayName    dayName   dow getDisplayName TextStyle NARROW  Locale ENGLISH   System out println  NARROW       dayName    dayName   dow getDisplayName TextStyle NARROW STANDALONE  Locale ENGLISH   System out println  NARROW STANDALONE       dayName    dayName   dow getDisplayName TextStyle SHORT  Locale ENGLISH   System out println  SHORT       dayName    dayName   dow getDisplayName TextStyle SHORT STANDALONE  Locale ENGLISH   System out println  SHORT STANDALONE       dayName     Result  for today    Enum   SATURDAY FULL   Saturday FULL STANDALONE   Saturday NARROW   S NARROW STANDALONE   6 SHORT   Sat SHORT STANDALONE   Sat

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If you do not want to use Calendar class at all you can use this  String weekday name   new SimpleDateFormat  EEEE   Locale ENGLISH  format System currentTimeMillis       i e   result is    Sunday

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As DAY OF WEEK in GregorianCalender class is a static field you can access it directly as foolows     int dayOfWeek   GregorianCalender DAY OF WEEK

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Here is my simple approach to get Current day  public String getCurrentDay         String daysArray       Sunday   Monday   Tuesday    Wednesday   Thursday   Friday    Saturday         Calendar calendar   Calendar getInstance        int day   calendar get Calendar DAY OF WEEK        return daysArray day

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Just in case you ever want to do this not on Android it s helpful to think about which day where as not all devices mark their calendar in local time  From Java 8 onwards  LocalDate now ZoneId of  quot America Detroit quot    getDayOfWeek

[java] What is the easiest way to get the current day of the week in Android?

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