我希望用户仅在该月内选择一个日期，并且不小于当前日期。
例如：如果这一天是 13 年 3 月 18 日，那么用户 shud 只选择从 13 年 3 月 18 日到 31 日 3 月 31 日的任何日期。此外，我有两个按钮用于选择“从日期”和“到日期”，它们使用相同的监听器进行日期选择器。我已经尝试了本网站上已经建议的不同解决方案，但在这种情况下它们不兼容。如果我使用建议的代码，我将失去对两个按钮使用相同日期选择器侦听器的功能。我尝试了下面的代码，但它不工作。
public class Leave_form extends Activity
{
private static EditText tvDislpayResult;
private Button startPickDate;
private Button endPickDate;
private Calendar startDate;
private Calendar endDate;
//private EditText startDateDisplay;
//private EditText endDateDisplay;
static final int DATE_DIALOG_ID = 0;
private TextView startDateDisplay;
private TextView endDateDisplay;
private TextView activeDateDisplay;
private Calendar activeDate;
protected void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_leave_form);
/* capture our View elements for the start date function */
startDateDisplay = (EditText) findViewById(R.id.e_from_date);
startPickDate = (Button) findViewById(R.id.Set_date1);
/* get the current date */
startDate = Calendar.getInstance();
/* add a click listener to the button */
startPickDate.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
showDateDialog(startDateDisplay, startDate);
}
});
/* capture our View elements for the end date function */
endDateDisplay = (EditText) findViewById(R.id.e_to_date);
endPickDate = (Button) findViewById(R.id.Set_date2);
/* get the current date */
endDate = Calendar.getInstance();
/* add a click listener to the button */
endPickDate.setOnClickListener(new View.OnClickListener()
{
public void onClick(View v)
{
showDateDialog(endDateDisplay, endDate);
}
});
/* display the current date (this method is below) */
// updateDisplay(startDateDisplay, startDate);
// updateDisplay(endDateDisplay, endDate);
}
private void updateDisplay(TextView dateDisplay, Calendar date) {
dateDisplay.setText(
new StringBuilder()
// Month is 0 based so add 1
.append(date.get(Calendar.DAY_OF_MONTH) ).append("-")
.append(date.get(Calendar.MONTH)+1).append("-")
.append(date.get(Calendar.YEAR)).append(" "));
}
public void showDateDialog(TextView dateDisplay, Calendar date)
{
activeDateDisplay = dateDisplay;
activeDate = date;
showDialog(DATE_DIALOG_ID);
}
private OnDateSetListener dateSetListener = new OnDateSetListener() {
@Override
public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth)
{
try {
Date selectedDate = new SimpleDateFormat("yyyy/MM/dd").parse(year+"/"+monthOfYear+"/"+dayOfMonth);
Date currDate = new Date();
if(selectedDate.compareTo(currDate ) >=0 )
{
activeDate.set(Calendar.YEAR, year);
activeDate.set(Calendar.MONTH, monthOfYear);
activeDate.set(Calendar.DAY_OF_MONTH, dayOfMonth);
updateDisplay(activeDateDisplay, activeDate);
unregisterDateDisplay();
}
else
{
//show message
}
}
catch(Exception e)
{
e.getMessage();
}
}
};
private void unregisterDateDisplay() {
activeDateDisplay = null;
activeDate = null;
}
@Override
protected Dialog onCreateDialog(int id) {
switch (id) {
case DATE_DIALOG_ID:
return new DatePickerDialog(this, dateSetListener, activeDate.get(Calendar.YEAR), activeDate.get(Calendar.MONTH), activeDate.get(Calendar.DAY_OF_MONTH));
}
return null;
}
@Override
protected void onPrepareDialog(int id, Dialog dialog) {
super.onPrepareDialog(id, dialog);
switch (id) {
case DATE_DIALOG_ID:
((DatePickerDialog) dialog).updateDate(activeDate.get(Calendar.YEAR), activeDate.get(Calendar.MONTH), activeDate.get(Calendar.DAY_OF_MONTH));
break;
}
}
public void leave(View view)
{
Intent intent1=new Intent(this,Rough.class);
setContentView(R.layout.activity_rough);
startActivity(intent1);
}
}