Android 如何隐藏过去日期并限制用户仅选择未来日期

Android 如何隐藏过去日期并限制用户仅选择未来日期,android,android-datepicker,Android,Android Datepicker,如何在DatePicker对话框中隐藏过去的日期?我不想让用户选择过去的日期 最好的办法是什么?如果我想限制用户只选择未来的日期 @Override public void onCreate(Bundle savedInstanceState) { ................................................. editDate.setOnClickListener(new View.OnClickLis

如何在DatePicker对话框中隐藏过去的日期?我不想让用户选择过去的日期

最好的办法是什么?如果我想限制用户只选择未来的日期

    @Override
    public void onCreate(Bundle savedInstanceState)
    {
        .................................................
        editDate.setOnClickListener(new View.OnClickListener() {

            @SuppressWarnings("deprecation")
            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                showDialog(DIALOG_DATE);
            }
        });   

    }

     @Override
        protected Dialog onCreateDialog(int id) {
            switch (id) {
            case DIALOG_DATE:
                return new DatePickerDialog(this, new OnDateSetListener() {

                    @Override
                    public void onDateSet(DatePicker view, int year,
                            int monthOfYear, int dayOfMonth) {
                        dateTime.set(year, monthOfYear, dayOfMonth);
                        editDate.setText(dateFormatter
                                .format(dateTime.getTime()));
                    }
                }, dateTime.get(Calendar.YEAR),
                   dateTime.get(Calendar.MONTH),
                   dateTime.get(Calendar.DAY_OF_MONTH));
            }
            return null;
     }

}
你可以用它来实现你的目标。医生说:

Sets the minimal date supported by this NumberPicker in milliseconds since January 1, 1970 00:00:00 in getDefault() time zone.
您必须为最小日期使用,如果要设置最大日期,也可以使用

下面是
DatePickerDialog
SetMinDate
示例代码

@Override
protected Dialog onCreateDialog(int id) {
        switch (id) {
        case DIALOG_DATE:

            DatePickerDialog mDatePickerDialog = new DatePickerDialog(this, new OnDateSetListener() {

                @Override
                public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
                    dateTime.set(year, monthOfYear, dayOfMonth);
                    editDate.setText(dateFormatter.format(dateTime.getTime()));
                }
            }, dateTime.get(Calendar.YEAR), dateTime.get(Calendar.MONTH), dateTime.get(Calendar.DAY_OF_MONTH));
            Calendar mCalendarMinimum = Calendar.getInstance();
            mCalendarMinimum.add(Calendar.HOUR, -1);
            mDatePickerDialog.getDatePicker().setMinDate(mCalendarMinimum.getTimeInMillis());
            return mDatePickerDialog;
        }
        return null;
    }

你可以在你的开关盒里试试这个代码

DatePickerDialog dpd = new DatePickerDialog(AddTaskActivity.this,
                    myDateListener, year, month, day);
            dpd.getDatePicker().setCalendarViewShown(false);
            dpd.show();
其中myDateListener是以下代码

私有DatePickerDialog.OnDateSetListener myDateListener=新建DatePickerDialog.OnDateSetListener(){

showDate()是在textView中显示日期的方法 以下是showDate()的代码

希望它能帮助您:)

this.calendar=new gregoriacalendar();
this.datePicker=(datePicker)findviewbyd(R.id.xxxxx);
if(Build.VERSION.SDK\u INT>=Build.VERSION\u code.HONEYCOMB){
//(选择器是日期选择器)
this.datePicker.setMinDate(this.calendar.getTimeInMillis());
}否则{
final int minYear=this.calendar.get(calendar.YEAR);
final int minMonth=this.calendar.get(calendar.MONTH);
final int minDay=this.calendar.get(calendar.DAY/u月);
this.datePicker.init(minYear、minMonth、minDay、,
新OnDateChangedListener(){
公共无效onDateChanged(日期选择器视图,整数年,
整数月,整数日){
Calendar newDate=Calendar.getInstance();
newDate.set(年、月、日);
如果(日历日期后(新日期)){
view.init(minYear、minMonth、minDay、this);
}
}
});
w(标记“API级别<11,因此不限制日期范围…”);
}

希望它能帮助您:)

您只需一行代码即可解决此问题:

datePicker.setMinDate(Calendar.getInstance().getTimeInMillis());
这样,日期选择器将只显示当前时间和未来的日期


.

为什么要赏金?你不喜欢setMinDate方法吗?看看这个方法。
setMinDate()
应该足够了。你可以使用
setMinDate(新日期())
,最短日期是今天
 public void showDate(int year, int month, int day) {

    String day1 = String.valueOf(day);
    String month1 = String.valueOf(month);



   String  s2 = day1 + "/" + month1 + "/" + year;

    Log.e("date", s2);
    Cal.setText(s2);
}
this.calendar = new GregorianCalendar();
this.datePicker = (DatePicker) findViewById(R.id.xxxxx);

if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
    // (picker is a DatePicker)
    this.datePicker.setMinDate(this.calendar.getTimeInMillis());
} else {
    final int minYear = this.calendar.get(Calendar.YEAR);
    final int minMonth = this.calendar.get(Calendar.MONTH);
    final int minDay = this.calendar.get(Calendar.DAY_OF_MONTH);

    this.datePicker.init(minYear, minMonth, minDay,
            new OnDateChangedListener() {

                public void onDateChanged(DatePicker view, int year,
                        int month, int day) {
                    Calendar newDate = Calendar.getInstance();
                    newDate.set(year, month, day);

                    if (calendar.after(newDate)) {
                        view.init(minYear, minMonth, minDay, this);
                    }
                }
            });
    Log.w(TAG, "API Level < 11 so not restricting date range...");
}
datePicker.setMinDate(Calendar.getInstance().getTimeInMillis());