com.google.adsensequickstart.DatePickerFragment.java Source code

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Here is the source code for com.google.adsensequickstart.DatePickerFragment.java

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/*
 * Copyright (c) 2014 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.adsensequickstart;

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

import java.util.Calendar;

/**
 * Shows a date picker and sends the result to the activity.
 */
public class DatePickerFragment extends DialogFragment implements DatePickerDialog.OnDateSetListener {
    private UiController callback;
    private boolean isFrom; // Is it "from" or "to"?

    @Override
    public Dialog onCreateDialog(Bundle savedInstanceState) {
        // Is it "from" or "to" date?.
        Bundle args = getArguments();
        isFrom = args.getBoolean("isFrom");

        // Use the current date as the default date in the picker.
        final Calendar c = Calendar.getInstance();
        int year = c.get(Calendar.YEAR);
        int month = c.get(Calendar.MONTH);
        int day = c.get(Calendar.DAY_OF_MONTH);

        // Create a new instance of DatePickerDialog and return it.
        return new DatePickerDialog(getActivity(), this, year, month, day);
    }

    @Override
    public void onDateSet(DatePicker view, int year, int month, int day) {
        // Do something with the date chosen by the user.
        if (callback != null) {
            callback.setDate(year, month, day, isFrom);
        }
    }

    /**
     * Sets the controller to call back when a date is set.
     * @param callback the callback controller
     */
    public void setCallback(UiController callback) {
        this.callback = callback;
    }
}