DatePickerFragment

DatePickerFragment.java

package com.example.ashish.ci;    import android.app.Activity;  import android.app.Dialog;  import android.content.DialogInterface;  import android.content.Intent;  import android.os.Bundle;  import android.support.v4.app.DialogFragment;  import android.support.v7.app.AlertDialog;  import android.view.LayoutInflater;  import android.view.View;  import android.widget.DatePicker;    import java.util.Calendar;  import java.util.Date;  import java.util.GregorianCalendar;    /**   * Created by Ashish on 9/22/15.   */  public class DatePickerFragment extends DialogFragment {        public static final String EXTRA_DATE = "com.example.ashish.ci.date";      private static final String ARG_DATE = "date";        private DatePicker mDatePicker;        public static DatePickerFragment newInstance(Date date){          Bundle args = new Bundle();          args.putSerializable(ARG_DATE, date);            DatePickerFragment fr = new DatePickerFragment();          fr.setArguments(args);          return fr;      }        @Override      public Dialog onCreateDialog(Bundle savedInstanceState) { // called by FragManager of hosting Activity            Date dt = (Date) getArguments().getSerializable(ARG_DATE);          Calendar cal = Calendar.getInstance();          cal.setTime(dt);          int y = cal.get(Calendar.YEAR);          int m = cal.get(Calendar.MONTH);          int d = cal.get(Calendar.DAY_OF_MONTH);            View v = LayoutInflater.from(getActivity()).inflate(R.layout.dialog_date, null);            mDatePicker = (DatePicker) v.findViewById(R.id.dialog_date_date_picker);          mDatePicker.init(y, m, d, null);            return new AlertDialog.Builder(getActivity())                  .setView(v)                  .setTitle(R.string.date_picker_title)                  // .setPositiveButton(android.R.string.ok, null) // null for listener, will implement later                  .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {                      @Override                      public void onClick(DialogInterface dialog, int which) {                          int year = mDatePicker.getYear();                          int month = mDatePicker.getMonth();                          int day = mDatePicker.getDayOfMonth();                          Date date = new GregorianCalendar(year, month, day).getTime();                          sendResult(Activity.RESULT_OK, date);                      }                  })                  .create();      }        private void sendResult(int resultCode, Date date){          if (getTargetFragment() == null){              return;          }            Intent intent = new Intent();          intent.putExtra(EXTRA_DATE, date);            getTargetFragment().onActivityResult(getTargetRequestCode(), resultCode, intent);      }  }