Android 棒棒糖中的 Edittext Onclick Datepickerdialog 错误

Question

我正在使用日期选择器对话框。它运行在 kitkat 上正确，但是当我运行在棒棒糖上应用并且当我单击编辑文本时它会打开一个日期选择器对话框但是当我 select 日期时它给出不幸的停止错误。下面是 edittext 上的日期选择器的代码。

private void setDateTimeField() {
                     fromLabel.setOnClickListener(this);
                     toLabel.setOnClickListener(this);



                     final DateFormat dateFormat = new SimpleDateFormat("dd-MM-yyyy");  //yyyy/MM/dd HH:mm:ss
                    final Date date = new Date();
                    final String u = dateFormat.format(date);


                     Calendar newCalendar = Calendar.getInstance();
                     fromDatePickerDialog = new DatePickerDialog(this, new OnDateSetListener() {

                        public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
                             Calendar newDate = Calendar.getInstance();

                             newDate.set(year, monthOfYear, dayOfMonth);
                             from1 = dateFormatter.format(newDate.getTime());
                             diff1 = newDate.getTimeInMillis();
                             long d = date.getTime();


                             if((newDate.getTime()).equals(date)||(newDate.getTime()).after(date)){
                                 long d1 = (diff1 / (24 * 60 * 60 * 1000) - d / (24 * 60 * 60 * 1000)) + 1;
                                   if(d1>30){ 
                                         total.setVisibility(View.VISIBLE);
                                         total.setText("Booking not allowed as the Date given is outside Advance Booking Period");
                                         avail.setVisibility(View.GONE);

                                     }
                                   else{
                                         total.setVisibility(View.GONE);
                                         fromLabel.setText(from1);
                                         toLabel.setText(null);
                                         to=null;
                                         avail.setVisibility(View.GONE);
                                         from=fromLabel.getText().toString();
                                   }
                             }
                             else{
                                 total.setVisibility(View.VISIBLE);
                                 total.setText("Choose date after or equals to current date");
                                 fromLabel.setText("");
                                 toLabel.setText(null);     
                                 from=null;     
                                 to=null;
                             }


                         }

                     },newCalendar.get(Calendar.YEAR), newCalendar.get(Calendar.MONTH), newCalendar.get(Calendar.DAY_OF_MONTH));



                     fromDatePickerDialog.setButton(DialogInterface.BUTTON_POSITIVE, getString(R.string.Done), new DialogInterface.OnClickListener() {
                        public void onClick(DialogInterface dialog, int which) {
                           if (which == DialogInterface.BUTTON_POSITIVE) {
                               dialog.cancel();
                               if(type.equals("According to time"))
                               {

                                  int cnt=-1;
                                 if(from1.equals(u)){
                                     cnt = 1;
                                     loadTimeSpinnerDataATT(text,from,cnt);
                                  }
                                  else if(total.getText()=="Choose date after or equals to current date")
                                  {

                                  }
                                  else if(total.getText()=="Booking not allowed as the Date given is outside Advance Booking Period")
                                  {

                                  }
                                 else
                                 {cnt = 0;

                                  loadTimeSpinnerDataATT(text,from,cnt);
                                 }

                               }
                           }
                        }
                      });

                 }


                 public void onClick(View view) {
                     if(view == fromLabel) {
                         fromDatePickerDialog.show();
                     } else if(view == toLabel) {
                         toDatePickerDialog.show();

                     }        
                 }


                 public void onClose(DialogInterface dialogInterface)
                 {

                 }
          }

Answer 1

试试吧，可能对你有帮助，

此处已解决日期选择器错误

Link For Date picker

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;

import android.support.v7.app.ActionBarActivity;
import android.text.InputType;
import android.app.DatePickerDialog;
import android.app.Dialog;
import android.os.Bundle;
import android.view.View;
import android.widget.DatePicker;
import android.widget.EditText;

public class MainActivity extends ActionBarActivity {

    private int year;
    private int month;
    private int day;
    static final int DATE_PICKER_ID = 1111;

    // for date picker
     EditText m3_DateDisplay;

    @Override
    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_main);

        m3_DateDisplay = (EditText) findViewById(R.id.datepick);

        // Get current date by calender

        final Calendar c = Calendar.getInstance();
        year = c.get(Calendar.YEAR);
        month = c.get(Calendar.MONTH);
        day = c.get(Calendar.DAY_OF_MONTH);




        // Show selected date
        StringBuilder dateValue1 = new StringBuilder().append(day).append("-")
                .append(month + 1).append("-").append(year).append(" ");

        // for Converting Correct Date format Save into Database
        SimpleDateFormat sdf123 = new SimpleDateFormat("dd-MM-yyyy");
        String abs1 = dateValue1.toString();
        Date testDate1 = null;
        try {
            testDate1 = sdf123.parse(abs1);
        } catch (ParseException e) {

            e.printStackTrace();
        }
        SimpleDateFormat formatter1 = new SimpleDateFormat("dd-MM-yyyy");
        String DateFormat = formatter1.format(testDate1);

        m3_DateDisplay.setText(DateFormat);

        m3_DateDisplay.setFocusable(false);
        m3_DateDisplay.setInputType(InputType.TYPE_NULL);
        m3_DateDisplay.setOnClickListener(new View.OnClickListener() {
            @SuppressWarnings("deprecation")
            @Override
            public void onClick(View v) {
                showDialog(DATE_PICKER_ID);
            }
        });

    }

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

            // open datepicker dialog.
            // set date picker for current date
            // add pickerListener listner to date picker
            // return new DatePickerDialog(this, pickerListener, year, month,
            // day);

            // ///Only Show till Date Not More than That.
            DatePickerDialog dialog = new DatePickerDialog(this,
                    pickerListener, year, month, day);
            dialog.getDatePicker().setMaxDate(new Date().getTime());
            return dialog;
        }
        return null;
    }

    private DatePickerDialog.OnDateSetListener pickerListener = new DatePickerDialog.OnDateSetListener() {

        // when dialog box is closed, below method will be called.
        @Override
        public void onDateSet(DatePicker view, int selectedYear,
                int selectedMonth, int selectedDay) {

            year = selectedYear;
            month = selectedMonth;
            day = selectedDay;

            // Show selected date
            StringBuilder dateValue = new StringBuilder().append(day)
                    .append("-").append(month + 1).append("-").append(year)
                    .append(" ");

            // for Converting Correct Date format Save into Database
            SimpleDateFormat sdf123 = new SimpleDateFormat("dd-MM-yyyy");
            String abs1 = dateValue.toString();
            Date testDate1 = null;
            try {
                testDate1 = sdf123.parse(abs1);
            } catch (ParseException e) {

                e.printStackTrace();
            }
            SimpleDateFormat formatter1 = new SimpleDateFormat("dd-MM-yyyy");
            String DateFormat = formatter1.format(testDate1);

            m3_DateDisplay.setText(DateFormat);

        }
    };
}

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