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DatePickerFragment.java

/*
 * Copyright (C) 2015 Google, Inc.
 *
 * 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 com.google.android.gms.example.apidemo;

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

import java.util.Calendar;

/**
 * The {@link DatePickerFragment} displays a simple date picker for use in other fragments and
 * activities.
 */
public class DatePickerFragment extends DialogFragment {

private DatePickerDialog.OnDateSetListener mOnDateSetListener;

public DatePickerFragment() {
    }

public void setOnDateSetListener(DatePickerDialog.OnDateSetListener listener) {
        mOnDateSetListener = listener;
    }

@NonNull
    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        final Calendar calendar = Calendar.getInstance();

int year = calendar.get(Calendar.YEAR);
        int month = calendar.get(Calendar.MONTH);
        int day = calendar.get(Calendar.DAY_OF_MONTH);

return new DatePickerDialog(getActivity(), mOnDateSetListener, year, month, day);
    }
}