[英]How can I enable only specific days in datepicker Android?
基本上我正在預約申請。 因此,我在列表中顯示天數,當用戶 select 任何一天時,日期選擇器會彈出並僅顯示啟用 3.4 周的相應日期。 例如,如果我 select 星期一,則啟用本月的所有星期一。 7、14、21、28
當你描述 onPickerListener
像這樣的東西
DatePickerDialog.OnDateSetListener d=new DatePickerDialog.OnDateSetListener() {
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
dateAndTime.set(Calendar.YEAR, year);
dateAndTime.set(Calendar.MONTH, monthOfYear);
dateAndTime.set(Calendar.DAY_OF_MONTH, dayOfMonth);
setInitialDateTime();
}
};
在 onDateSet 中描述和處理您的特殊日子
恕我直言
在此列表中傳遞作為選取器可接受日期的值。
Calendar now = Calendar.getInstance();
DatePickerDialog datePicker = DatePickerDialog.newInstance(
MainActivity.this,
now.get(Calendar.YEAR), // Initial year selection
now.get(Calendar.MONTH), // Initial month selection
now.get(Calendar.DAY_OF_MONTH) // Inital day selection
);
datePicker.setSelectableDays(Calendar[] days)
昨天,我發布了一個問題,詢問如何在 DatePicker Android 中僅啟用特定日期。 就像每當用戶單擊特定日期時,DatePicker 中只有那些相應的日期可用? . 我已經解決了,我將在這里分享:
以下是當用戶單擊星期一時,DatePicker 會彈出並僅啟用當天的星期一的屏幕截圖。
code
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
Day day = days.get(position);
switch (day.getDay()){
case "Monday":
appDay = 2;
break;
case "Tuesday":
appDay = 3;
break;
case "Wednesday":
appDay = 4;
break;
case "Thursday":
appDay = 5;
break;
case "Friday":
appDay = 6;
break;
case "Saturday":
appDay = 7;
break;
case "Sunday":
appDay = 1;
break;
default:
appDay = 0;
break;
}
datePickerDialog = DatePickerDialog.newInstance(DayListFragment.this,Year, Month, Day);
datePickerDialog.setThemeDark(false);
datePickerDialog.setTitle("Select Appointment Date");
Calendar calendar1 = Calendar.getInstance();
int today = calendar1.get(Calendar.DAY_OF_WEEK);
if ( appDay == today)
{
int update = 0;
for (int i = 0; i < calendars.length; i++)
{
final Calendar calendar2 = Calendar.getInstance();
calendar2.get(Calendar.DAY_OF_WEEK);
calendar2.add(Calendar.DATE, update);
calendars[i] = calendar2;
update += 7;
}
}
else if ( appDay > today)
{
int for1 = appDay - today;
for (int i = 0; i < calendars.length; i++)
{
final Calendar calendar2 = Calendar.getInstance();
calendar2.get(Calendar.DAY_OF_WEEK);
calendar2.add(Calendar.DATE, for1);
calendars[i] = calendar2;
for1 += 7;
}
}
else if ( appDay < today)
{
int for2 = (7-today)+appDay;
for (int i = 0; i < calendars.length; i++)
{
final Calendar calendar2 = Calendar.getInstance();
calendar2.get(Calendar.DAY_OF_WEEK);
calendar2.add(Calendar.DATE, for2);
calendars[i] = calendar2;
for2 += 7;
}
}
datePickerDialog.setSelectableDays(calendars);
datePickerDialog.show(getFragmentManager(),"DatePickerDialog");
}
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