1

I have been stuck on this issue for the last two days. My issue is this: how can I display the date from one week to another week (Thursday to Thursday)? For example:

1/30/2014 to 2/6/2014

or

30 jan 2014 to 6 feb 2014

when week is complete then it's change Like:

2/6/2014 to 2/13/2014

or

6 feb 2014 to 13 feb 2014

Any help or sample code will be highly appreciated.

4

3 回答 3

1

最后我得到了解决方案并解决了我的问题：

在创建：

TextView tv_chart_menuvotes = (TextView) findViewById(R.id.tv_chart_menuvotes);
String csPrevThur = getPreviousThursday();
    String csNextThur = getNextThursday();
    tv_chart_menuvotes.setText("Vote from " + csPrevThur + " To "+ csNextThur);

在 oncreate 之外：

public String getPreviousThursday() {
    String csDate = "";
    int perSut = 0;
    Calendar calendar = Calendar.getInstance();
    int day = calendar.get(Calendar.DAY_OF_WEEK);

    switch (day) {
    case Calendar.SUNDAY:
        perSut = -3;
        break;
    case Calendar.MONDAY:
        perSut = -4;
        break;
    case Calendar.TUESDAY:
        perSut = -5;
        break;
    case Calendar.WEDNESDAY:
        perSut = -6;
        break;
    case Calendar.THURSDAY:
        perSut = 0;
        break;
    case Calendar.FRIDAY:
        perSut = -1;
        break;
    case Calendar.SATURDAY:
        perSut = -2;
        break;
    }

    SimpleDateFormat mDF = new SimpleDateFormat("dd-MM-yyyy");
    calendar.add(Calendar.DAY_OF_MONTH, perSut);
    csDate = mDF.format(calendar.getTime());

    System.out.println("Prev Thursday >> " + csDate);

    return csDate;
}

public String getNextThursday() {
    String csDate = "";
    int perSut = 0;
    Calendar calendar = Calendar.getInstance();
    int day = calendar.get(Calendar.DAY_OF_WEEK);

    switch (day) {
    case Calendar.SUNDAY:
        perSut = 4;
        break;
    case Calendar.MONDAY:
        perSut = 3;
        break;
    case Calendar.TUESDAY:
        perSut = 2;
        break;
    case Calendar.WEDNESDAY:
        perSut = 1;
        break;
    case Calendar.THURSDAY:
        perSut = 7;
        break;
    case Calendar.FRIDAY:
        perSut = 6;
        break;
    case Calendar.SATURDAY:
        perSut = 5;
        break;
    }

    SimpleDateFormat mDF = new SimpleDateFormat("dd-MM-yyyy");
    calendar.add(Calendar.DAY_OF_MONTH, perSut);
    csDate = mDF.format(calendar.getTime());

    System.out.println("NextThursday >> " + csDate);

    return csDate;
}
于 2014-02-10T11:52:44.190 回答
1

尝试这个， 

String start_date = "01-30-2014";  // Start date
                    SimpleDateFormat sdf = new SimpleDateFormat("dd-MM-yyyy");
                    Calendar cal = Calendar.getInstance();
                    try {
                        c.setTime(sdf.parse(start_date));
                    } catch (ParseException e) {
                        e.printStackTrace();
                    }
                    cal.add(Calendar.DATE, 7);  // number of days to add,in your case its 7
                    SimpleDateFormat sdf1 = new SimpleDateFormat("dd-MM-yyyy");
                    String to_date = sdf1.format(cal.getTime());

其实我不喜欢 android Calendar（我更喜欢Joda-Time），但上面的解决方案应该适合你

于 2014-01-31T06:36:55.357 回答
0

在你的情况下，setMaxDate()是你的朋友。文档说：

设置自 getDefault() 时区 1970 年 1 月 1 日 00:00:00 以来此 DatePicker 支持的最大日期（以毫秒为单位）。

所以，获取下周的时间作为long并使用该方法。

看看这里在 Android 中的 DatePickerDialog 上设置限制？

于 2014-01-31T06:35:55.923 回答