Android Open Source - gnucash-android Time 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   w w w  . j  a v a2 s.c om
 * 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.Dialog;
import android.app.TimePickerDialog;
import android.app.TimePickerDialog.OnTimeSetListener;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;

/**
 * Fragment for displaying a time choose dialog
 * @author Ngewi Fet <ngewif@gmail.com>
 *
 */
public class TimePickerDialogFragment extends DialogFragment {
  /**
   * Listener to notify when the time is set
   */
  private OnTimeSetListener mListener = null;
  
  /**
   * Current time to initialize the dialog to, or to notify the listener of.
   */
  Calendar mCurrentTime = null;
  
  /**
   * 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 TimePickerDialogFragment() {
    // nothing to see here, move along
  }
  
  /**
   * Overloaded constructor
   * @param listener {@link OnTimeSetListener} to notify when the time has been set
   * @param timeMillis Time in milliseconds to initialize the dialog to
   */
  public TimePickerDialogFragment(OnTimeSetListener listener, long timeMillis){
    mListener = listener;
    if (timeMillis > 0){
      mCurrentTime = new GregorianCalendar();
      mCurrentTime.setTimeInMillis(timeMillis);
    }
  }
  
  /**
   * Creates and returns an Android {@link TimePickerDialog}
   */
  @Override
  public Dialog onCreateDialog(Bundle savedInstanceState) {
    Calendar cal = mCurrentTime == null ? Calendar.getInstance() : mCurrentTime;
    
    int hour = cal.get(Calendar.HOUR_OF_DAY);
    int minute = cal.get(Calendar.MINUTE);
    
    return new TimePickerDialog(getActivity(),
        mListener, 
        hour, 
        minute,
        true);
  }
  
}

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