Android Open Source - gnucash-android Date Picker Dialog Fragment

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (c) 2012 Ngewi Fet <ngewif@gmail.com>
 *//from www.j a v  a 2 s  .co  m
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.gnucash.android.ui.transaction.dialog;

import java.util.Calendar;
import java.util.GregorianCalendar;

import android.app.DatePickerDialog;
import android.app.DatePickerDialog.OnDateSetListener;
import android.app.Dialog;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;

/**
 * Fragment for displaying a date picker dialog
 * @author Ngewi Fet <ngewif@gmail.com>
 *
 */
public class DatePickerDialogFragment extends DialogFragment {

  /**
   * Listener to notify of events in the dialog
   */
  private OnDateSetListener mDateSetListener;
  
  /**
   * Date selected in the dialog or to which the dialog is initialized
   */
  private Calendar mDate;
  
  /**
   * Default Constructor
   * Is required for when the device is rotated while the dialog is open.
   * If this constructor is not present, the app will crash
   */
  public DatePickerDialogFragment() {
    //nothing to see here, move along
  }
  
  /**
   * Overloaded constructor
   * @param callback Listener to notify when the date is set and the dialog is closed
   * @param dateMillis Time in milliseconds to which to initialize the dialog
   */
  public DatePickerDialogFragment(OnDateSetListener callback, long dateMillis) {
    mDateSetListener = callback;
    if (dateMillis > 0){
      mDate = new GregorianCalendar();
      mDate.setTimeInMillis(dateMillis);
    }
  }

  /**
   * Creates and returns an Android {@link DatePickerDialog}
   */
  public Dialog onCreateDialog(Bundle savedInstanceState) {
    Calendar cal = mDate == null ? Calendar.getInstance() : mDate;
    
    return new DatePickerDialog(getActivity(),
        mDateSetListener, cal.get(Calendar.YEAR), 
        cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH));
  }
  
}

Java Source Code List

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