仍然能够选择日期选择器中的禁用日期
我想在android中禁用日期选择器的过去日期。 我可以用仍然能够选择日期选择器中的禁用日期
dialog.getDatePicker().setMinDate(System.currentTimeMillis() - 1000);
这是工作的罚款,并在日期选取过去的日期看起来禁用做到这一点。但我仍然可以点击以前的日期并选择它。 如何不让这种情况发生?下面 是我的日期选择器的截图: -
这里是我的代码,我在哪里禁用过去的日期: -
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
// Use the current date as the default date in the picker
final Calendar c = Calendar.getInstance();
int year = c.get(Calendar.YEAR);
int month = c.get(Calendar.MONTH);
int day = c.get(Calendar.DAY_OF_MONTH);
mActivity = new WeakReference<CreateEvent>(
(CreateEvent) getActivity());
DatePickerDialog dialog = new DatePickerDialog(getActivity(), this, year, month, day);
if(callingView==fromDate){
dialog.getDatePicker().setMinDate(System.currentTimeMillis() - 1000);
}else if (callingView==toDate){
dialog.getDatePicker().setMinDate(fromD);
}
// Create a new instance of DatePickerDialog and return it
return dialog;
}
得从一个评论,这是知道棒棒糖中的一个错误。所以,以编程方式修复它。
您只需要检查所选日期和最短日期集。
你可以分享代码吗? –
任何人都可以用示例代码清楚地描述这个答案????? – Elizabeth
是的,这是一个错误,你需要使用java代码检查选定的日期。
对于过去的日期
public static boolean validatePastDate(Context mContext,int day,int month,int year){
final Calendar c = Calendar.getInstance();
int currentYear = c.get(Calendar.YEAR);
int currentMonth = c.get(Calendar.MONTH)+1;
int currentDay = c.get(Calendar.DAY_OF_MONTH);
if (day > currentDay && year == currentYear && month == currentMonth) {
Toast.makeText(mContext, "Please select valid date", Toast.LENGTH_LONG).show();
return false;
} else if (month > currentMonth && year == currentYear) {
Toast.makeText(mContext, "Please select valid month", Toast.LENGTH_LONG).show();
return false;
} else if (year > currentYear) {
Toast.makeText(mContext, "Please select valid year", Toast.LENGTH_LONG).show();
return false;
}
return true;
}
对于未来的日期
public static boolean validateFutureDate(Context mContext,int day,int month,int year){
final Calendar c = Calendar.getInstance();
int currentYear = c.get(Calendar.YEAR);
int currentMonth = c.get(Calendar.MONTH)+1;
int currentDay = c.get(Calendar.DAY_OF_MONTH);
if (day < currentDay && year == currentYear && month == currentMonth) {
Toast.makeText(mContext, "Please select valid date", Toast.LENGTH_LONG).show();
return false;
} else if (month < currentMonth && year == currentYear) {
Toast.makeText(mContext, "Please select valid month", Toast.LENGTH_LONG).show();
return false;
} else if (year < currentYear) {
Toast.makeText(mContext, "Please select valid year", Toast.LENGTH_LONG).show();
return false;
}
return true;
}
只是通过选定的日期一个月,一年中这个方法将返回boolean值。
datePickerDialog.getDatePicker().setMinDate(System.currentTimeMillis() - 1000);
这正是问题所在。这段代码没有正确执行其工作。 – deep
要解决的运行Android Lollipop的错误,你可以验证日期如下:
int mYear,mMonth,mDay;
Calendar mcurrentDate = Calendar.getInstance();
mYear = mcurrentDate.get(Calendar.YEAR);
mMonth = mcurrentDate.get(Calendar.MONTH);
mDay = mcurrentDate.get(Calendar.DAY_OF_MONTH);
DatePickerDialog mDatePicker = new DatePickerDialog(context, new DatePickerDialog.OnDateSetListener() {
public void onDateSet(DatePicker datepicker, int selectedyear, int selectedmonth, int selectedday) {
// TODO Auto-generated method stub
// validate here with condition to avoid to select past dates
if (selectedyear == mYear && (selectedmonth+1) == mMonth+1) {
if(selectedday < mDay){
Toast.makeText(context, "invalid date", Toast.LENGTH_LONG).show();
return;
}
}
textview.setText(selectedday + "/" + (selectedmonth+1) + "/" + selectedyear);
}
}, mYear, mMonth, mDay);
mDatePicker.getDatePicker().setMinDate(System.currentTimeMillis() - 1000);
if(!mDatePicker.isShowing()){
mDatePicker.show();
}
它是棒棒糖的bug,你可以用较低的版本检查。对于解决方案,您需要在onDateSet方法的回调中应用您的逻辑。 –