大家好！我正在创建一个酒店预订移动应用程序，我需要的大多数模块是设置签入和签出。我想设置从登记日期选择器中选择结帐的注意事项。我在检查中获取所选日期的值时发现错误。有人可以帮助我吗？
etin = findViewById(R.id.etcheckin);
etin.setInputType(InputType.TYPE_NULL);
etout = findViewById(R.id.etcheckout);
etout.setInputType(InputType.TYPE_NULL);
etin.setOnClickListener( new View.OnClickListener() {
@Override
public void onClick(View view) {
showTruitonDatePickerDialog(view);
}
});
etout.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
showToDatePickerDialog(view);
}
});
}
public void showTruitonDatePickerDialog(View v){
DialogFragment newFragment = new DatePickerFragment();
newFragment.show(getSupportFragmentManager(), "datePicker");
}
public void showToDatePickerDialog(View v){
DialogFragment newFragment = new ToDatePickerFragment();
newFragment.show(getSupportFragmentManager(), "datePicker");
}
public static class DatePickerFragment extends DialogFragment implements DatePickerDialog.OnDateSetListener{
public Dialog onCreateDialog(Bundle savedInstanceState){
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);
DatePickerDialog datePickerDialog = new DatePickerDialog(getActivity(), R.style.Theme_AppCompat_DayNight_Dialog_Alert, this, year, month, day);
datePickerDialog.getDatePicker().setMinDate(c.getTimeInMillis());
c.set(2018,11 ,31);
datePickerDialog.getDatePicker().setMaxDate(c.getTimeInMillis());
return datePickerDialog;
}
public void onDateSet(DatePicker view, int year, int month , int day) {
// Do something with the date chosen by the user
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(0);
cal.set(year, month - 0 +1 , day);
etin.setText(month+1 + "/" + day + "/" + year);
etout.setText(month+ 1 + "/" + day + "/" + year);
String monthString = null;
String [] monthsTemp = {"Jan", "Feb","March","April","May", "June", "July", "Aug", "Sept", "Oct", "Nov", "Dec"};
if (month == 0) {
monthString = monthsTemp[0];
}
else if (month == 1){
monthString = monthsTemp[1];
}
else if (month == 2){
monthString = monthsTemp[2];
}
else if (month == 3){
monthString = monthsTemp[3];
}
else if (month == 4){
monthString = monthsTemp[4];
}
else if (month == 5){
monthString = monthsTemp[5];
}
else if (month == 6){
monthString = monthsTemp[6];
}
else if (month == 7){
monthString = monthsTemp[7];
}
else if (month == 8){
monthString = monthsTemp[8];
}
else if (month == 9){
monthString = monthsTemp[9];
}
else if (month == 10){
monthString = monthsTemp[10];
}
else{
monthString = monthsTemp[11];
}
etin.setText(monthString + "/" + day + "/" + year);
}
}
public static class ToDatePickerFragment extends DialogFragment implements DatePickerDialog.OnDateSetListener {
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
String getfromdate = etin.getText().toString();
String getfrom[] = getfromdate.split("/");
Calendar c = Calendar.getInstance();
int year,month,day;
year= Integer.parseInt(getfrom[2]);
month = Integer.parseInt(getfrom[0]);
day = Integer.parseInt(getfrom[1]);
c.set(year, month, day + 1);
DatePickerDialog datePickerDialog = new DatePickerDialog(getActivity(), R.style.Theme_AppCompat_DayNight_Dialog_Alert, this, year, month, day);
datePickerDialog.getDatePicker().setMinDate(c.getTimeInMillis());
c.set(2018,11, 31);
datePickerDialog.getDatePicker().setMaxDate(c.getTimeInMillis());
return datePickerDialog;
}
public void onDateSet(DatePicker view, int year, int month, int day) {
Calendar cal = Calendar.getInstance();
cal.setTimeInMillis(0);
cal.set(year, month , day);
etout.setText(new StringBuilder().append(month).append("/").append(day).append("/").append(year));
}
}