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Android Day of Week Calculator

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  • P Pavlex4

    I have initialized Date date = new Date(); but now I get application has stopped working and error is still in the same line!!!

    try
    {
    Date date = new Date();
    String getdate = spinner.getItemAtPosition(position).toString() + value
    + textView2.getText().toString();
    date = sdf.parse(getdate);
    } catch (ParseException ex)
    {
    // handle parsing exception if date string was different from the pattern applying into the SimpleDateFormat contructor
    }
    // isDateValid function call
    isValid = isDateValid(date.getMonth(), date.getDay(), date.getYear());

    D Offline
    D Offline
    David Crow
    wrote on last edited by
    #4

    Pavlex4 wrote:

    I have initialized Date date = new Date();

    Which is not the one being passed to isDateValid().

    "One man's wage rise is another man's price increase." - Harold Wilson

    "Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons

    "You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles

    P 1 Reply Last reply
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    • D David Crow

      Pavlex4 wrote:

      I have initialized Date date = new Date();

      Which is not the one being passed to isDateValid().

      "One man's wage rise is another man's price increase." - Harold Wilson

      "Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons

      "You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles

      P Offline
      P Offline
      Pavlex4
      wrote on last edited by
      #5

      So,what should I do?

      D 1 Reply Last reply
      0
      • P Pavlex4

        So,what should I do?

        D Offline
        D Offline
        David Crow
        wrote on last edited by
        #6

        Maybe look at (or around) line 12.

        "One man's wage rise is another man's price increase." - Harold Wilson

        "Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons

        "You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles

        P 1 Reply Last reply
        0
        • D David Crow

          Maybe look at (or around) line 12.

          "One man's wage rise is another man's price increase." - Harold Wilson

          "Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons

          "You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles

          P Offline
          P Offline
          Pavlex4
          wrote on last edited by
          #7

          You mean this "private Date date;" ?

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          • P Pavlex4

            You mean this "private Date date;" ?

            D Offline
            D Offline
            David Crow
            wrote on last edited by
            #8

            Correct.

            "One man's wage rise is another man's price increase." - Harold Wilson

            "Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons

            "You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles

            P 1 Reply Last reply
            0
            • D David Crow

              Correct.

              "One man's wage rise is another man's price increase." - Harold Wilson

              "Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons

              "You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles

              P Offline
              P Offline
              Pavlex4
              wrote on last edited by
              #9

              What is problem with that line?

              L D 2 Replies Last reply
              0
              • P Pavlex4

                What is problem with that line?

                L Offline
                L Offline
                Lost User
                wrote on last edited by
                #10

                Nothing.

                P 1 Reply Last reply
                0
                • L Lost User

                  Nothing.

                  P Offline
                  P Offline
                  Pavlex4
                  wrote on last edited by
                  #11

                  I added date = new Date(); to button onclicklistener but when I click button inside app it gets pressed and stays like that and nothing happens!!!

                  button.setOnClickListener(new View.OnClickListener()
                  {
                  @Override
                  public void onClick(View view)
                  {
                  String dayOfWeek;
                  boolean isValid;

                              **date = new Date();**
                  
                              Calendar c = Calendar.getInstance();
                              SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd\_HHmmss");
                              String strDate = sdf.format(c.getTime());
                  
                  L 1 Reply Last reply
                  0
                  • P Pavlex4

                    I added date = new Date(); to button onclicklistener but when I click button inside app it gets pressed and stays like that and nothing happens!!!

                    button.setOnClickListener(new View.OnClickListener()
                    {
                    @Override
                    public void onClick(View view)
                    {
                    String dayOfWeek;
                    boolean isValid;

                                **date = new Date();**
                    
                                Calendar c = Calendar.getInstance();
                                SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMdd\_HHmmss");
                                String strDate = sdf.format(c.getTime());
                    
                    L Offline
                    L Offline
                    Lost User
                    wrote on last edited by
                    #12

                    You really need to make more effort to do some debugging of your code first. You have a problem which could be caused by any part of your code, so you need to do the troubleshooting to collect more information. Also you have a try/catch block in your code that reads:

                            try
                                {
                                    String getdate = spinner.getItemAtPosition(position).toString() + value
                                            + textView2.getText().toString();
                                    Date date = sdf.parse(getdate);
                                }
                                catch (ParseException ex)
                                {
                    
                                }
                    

                    Do not do this, you are just hiding any problems that may occur. Put some proper code in the catch block to help you find errors.

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                    • P Pavlex4

                      What is problem with that line?

                      D Offline
                      D Offline
                      David Crow
                      wrote on last edited by
                      #13

                      Can you not see that you have two Date objects (in separate scopes)?

                      "One man's wage rise is another man's price increase." - Harold Wilson

                      "Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons

                      "You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles

                      L 1 Reply Last reply
                      0
                      • D David Crow

                        Can you not see that you have two Date objects (in separate scopes)?

                        "One man's wage rise is another man's price increase." - Harold Wilson

                        "Fireproof doesn't mean the fire will never come. It means when the fire comes that you will be able to withstand it." - Michael Simmons

                        "You can easily judge the character of a man by how he treats those who can do nothing for him." - James D. Miles

                        L Offline
                        L Offline
                        Lost User
                        wrote on last edited by
                        #14

                        Why check your own code when you can get it done for free at CodeProject? ;P

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