[英]Android Display date from one week to another like (Thursday to Thursday )
最近兩天,我一直在這個問題上停留。 我的問題是:如何顯示一個星期到另一個星期(星期四至星期四)的日期? 例如:
1/30/2014 to 2/6/2014
要么
30 jan 2014 to 6 feb 2014
當一周完成后,它會像這樣更改:
2014/2/6至2014/2/13
要么
2014年2月6日至2014年2月13日
任何幫助或示例代碼將不勝感激。
嘗試這個,
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());
其實我不喜歡android Calendar(我更喜歡Joda-Time ),但是上述解決方案應該適合您
終於我找到了解決方案並解決了我的問題:
在oncreate中:
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;
}
就您而言, setMaxDate()
是您的朋友。 文檔說:
設置此DatePicker支持的最大日期(以毫秒為單位),此日期自1970年1月1日00:00:00在getDefault()時區開始。
因此,請盡可能延長下周的long
並使用該方法。
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