com.kubotaku.android.code4kyoto5374.fragments.DateTimePickerFragment.java Source code

Java tutorial

Introduction

Here is the source code for com.kubotaku.android.code4kyoto5374.fragments.DateTimePickerFragment.java

Source

/**
 * Copyright 2017 kubotaku1119 <kubotaku1119@gmail.com>
 * <p/>
 * 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
 * <p/>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p/>
 * 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 com.kubotaku.android.code4kyoto5374.fragments;

import android.app.DatePickerDialog;
import android.app.Dialog;
import android.app.TimePickerDialog;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.support.v4.app.Fragment;
import android.text.format.DateFormat;
import android.widget.DatePicker;
import android.widget.TimePicker;

import java.util.Date;

/**
 * Date or Time Select Dialog Fragment
 */

public class DateTimePickerFragment extends DialogFragment
        implements DatePickerDialog.OnDateSetListener, TimePickerDialog.OnTimeSetListener {

    private static final int TYPE_PICKER_DATE = 0;

    private static final int TYPE_PICKER_TIME = 1;

    private static final int TIME_FROM = 0;

    private static final int TIME_TO = 1;

    private static final String ARGS_TYPE = "args_type";

    private static final String ARGS_TIME = "args_time";

    private static final String ARGS_YEAR = "args_year";

    private static final String ARGS_MONTH = "args_month";

    private static final String ARGS_DAY = "args_day";

    private static final String ARGS_HOUR = "args_hour";

    private static final String ARGS_MINUTE = "args_minute";

    private int type;

    private int year;

    private int month;

    private int day;

    private int hour;

    private int minute;

    private Date selectedDate;

    private OnDismissDateTimePickerDialogListener onDialogFragmentDismissListener;

    /**
     * ???
     *
     * @param year  ?
     * @param month ?
     * @param day   ?
     * @return 
     */
    public static DateTimePickerFragment createDatePickerInstance(final int year, final int month, final int day) {
        DateTimePickerFragment fragment = new DateTimePickerFragment();
        Bundle args = new Bundle();
        args.putInt(ARGS_TYPE, TYPE_PICKER_DATE);
        args.putInt(ARGS_YEAR, year);
        args.putInt(ARGS_MONTH, month);
        args.putInt(ARGS_DAY, day);
        fragment.setArguments(args);
        return fragment;
    }

    /**
     * ???
     *
     * @param hour   ?
     * @param minute ?
     * @return 
     */
    public static DateTimePickerFragment createTimePickerInstance(final int hour, final int minute) {
        DateTimePickerFragment fragment = new DateTimePickerFragment();
        Bundle args = new Bundle();
        args.putInt(ARGS_TYPE, TYPE_PICKER_TIME);
        args.putInt(ARGS_HOUR, hour);
        args.putInt(ARGS_MINUTE, minute);
        fragment.setArguments(args);
        return fragment;
    }

    public DateTimePickerFragment() {
        // Required empty public constructor
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        if (getArguments() != null) {
            type = getArguments().getInt(ARGS_TYPE);
            year = getArguments().getInt(ARGS_YEAR, 0);
            month = getArguments().getInt(ARGS_MONTH, 0);
            day = getArguments().getInt(ARGS_DAY, 0);
            hour = getArguments().getInt(ARGS_HOUR, 0);
            minute = getArguments().getInt(ARGS_MINUTE, 0);
        }
    }

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {

        if (type == TYPE_PICKER_DATE) {
            // Create a new instance of DatePickerDialog and return it
            return new DatePickerDialog(getActivity(), this, year, month, day);
        } else {
            // Create a new instance of TimePickerDialog and return it
            return new TimePickerDialog(getActivity(), this, hour, minute,
                    DateFormat.is24HourFormat(getActivity()));
        }
    }

    @Override
    public void onStart() {
        super.onStart();

        final Fragment targetFragment = getTargetFragment();
        if ((targetFragment != null) && (targetFragment instanceof OnDismissDateTimePickerDialogListener)) {
            this.onDialogFragmentDismissListener = (OnDismissDateTimePickerDialogListener) targetFragment;
        }
    }

    @Override
    public void onDetach() {
        super.onDetach();
        this.onDialogFragmentDismissListener = null;
    }

    @Override
    public void onDateSet(DatePicker view, int year, int monthOfYear, int dayOfMonth) {
        this.year = year;
        this.month = monthOfYear;
        this.day = dayOfMonth;
        notifySelectDateTime();
    }

    @Override
    public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
        this.hour = hourOfDay;
        this.minute = minute;
        notifySelectDateTime();
    }

    private void notifySelectDateTime() {
        if (onDialogFragmentDismissListener != null) {
            onDialogFragmentDismissListener.onDismissDialog(year, month, day, hour, minute);
        }
    }

}