无法为Java Android中的Datpicker设置最小值和最大值
关于如何使用DatePicker设置最小和最大日期,例如,用户无法设置超过当前日期的日期。同样,用户将无法选择1960年之前的日期,到目前为止,我已经能够设置日期选择器。我的代码如下:无法为Java Android中的Datpicker设置最小值和最大值,java,android,date,datepicker,Java,Android,Date,Datepicker,关于如何使用DatePicker设置最小和最大日期,例如,用户无法设置超过当前日期的日期。同样,用户将无法选择1960年之前的日期,到目前为止,我已经能够设置日期选择器。我的代码如下: public class MainActivity extends FragmentActivity { EditText mEdit; @Override public void onCreate(Bundle savedInstanceState) {
public class MainActivity extends FragmentActivity {
EditText mEdit;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void selectDate(View view) {
DialogFragment newFragment = new SelectDateFragment();
newFragment.show(getSupportFragmentManager(), "DatePicker");
}
public void populateSetDate(int year, int month, int day) {
mEdit = (EditText)findViewById(R.id.editText1);
mEdit.setText(month+"/"+day+"/"+year);
}
public class SelectDateFragment extends DialogFragment implements DatePickerDialog.OnDateSetListener {
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
final Calendar calendar = Calendar.getInstance();
int yy = calendar.get(Calendar.YEAR);
int mm = calendar.get(Calendar.MONTH);
int dd = calendar.get(Calendar.DAY_OF_MONTH);
return new DatePickerDialog(getActivity(), this, yy, mm, dd);
}
public void onDateSet(DatePicker view, int yy, int mm, int dd) {
populateSetDate(yy, mm+1, dd);
}
}
}
在DatePickerDialog中,有两种设置min和max date的方法,这两种方法将输入时间设置为毫秒 所以代码是这样的
DatePickerDialog d = new DatePickerDialog(getActivity(), this, yy, mm, dd);
DatePicker dp = d.getDatePicker();
dp.setMaxDate(maxDate);
dp.setMinDate(minDate);
return d;
但是此方法在API 11级中可用,您可以尝试以下方法
public class DatePickerDialogWithMaxMinRange extends DatePickerDialog {
static int maxYear=2014; // max date which you want to set
static int maxMonth=11;
static int maxDay=31;
int minYear=1960; // min date which you want to set
int minMonth=0;
int minDay=1;
public DatePickerDialogWithMaxMinRange(Context context, OnDateSetListener callBack,int minYear,int minMonth,int minDay,int maxYear,int maxMonth,int maxDay) {
super(context,callBack, maxYear, maxMonth, maxDay);
this.minDay = minDay;
this.minMonth = minMonth;
this.minYear = minYear;
DatePickerDialogWithMaxMinRange.maxDay = maxDay;
DatePickerDialogWithMaxMinRange.maxMonth = maxMonth;
DatePickerDialogWithMaxMinRange.maxYear = maxYear;
}
@Override
public void onDateChanged(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
super.onDateChanged(view, year, monthOfYear, dayOfMonth);
if (year > maxYear ||monthOfYear > maxMonth && year == maxYear||
dayOfMonth > maxDay && year == maxYear && monthOfYear == maxMonth){
view.updateDate(maxYear, maxMonth, maxDay);
}else if(year < minYear ||monthOfYear < minMonth && year == minYear||
dayOfMonth < minDay && year == minYear && monthOfYear == minMonth){
view.updateDate(minYear, minMonth, minDay );
}
}
}
公共类DatePickerDialog WithMaxMinRange扩展了DatePickerDialog{
static int maxYear=2014;//要设置的最大日期
静态整数maxMonth=11;
静态整数maxDay=31;
int minYear=1960;//要设置的最小日期
int minMonth=0;
int minDay=1;
公共DatePickerDialogWithMaxMinRange(上下文上下文、OnDateSetListener回调、int-minYear、int-minMonth、int-minDay、int-maxYear、int-maxMonth、int-maxDay){
超级(上下文、回调、maxYear、maxMonth、maxDay);
this.minDay=minDay;
this.minMonth=minMonth;
this.minYear=minYear;
DatePickerDialogWithMaxMinRange.maxDay=maxDay;
DatePickerDialogWithMaxMinRange.maxMonth=maxMonth;
DatePickerDialogWithMaxMinRange.maxYear=maxYear;
}
@凌驾
公共无效onDateChanged(日期选择器视图,整数年,整数月,整数月){
super.onDateChanged(视图、年、月、月);
如果(年>最大年|月>最大月和年==最大年||
dayOfMonth>maxDay&&year==maxYear&&monthOfYear==maxMonth){
view.updateDate(maxYear、maxMonth、maxDay);
}如果(年