Computes the timezone-dependent fields of an instance of an event and updates the "values" map to contain those fields. - Android java.util

Android examples for java.util:Date

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Description

Computes the timezone-dependent fields of an instance of an event and updates the "values" map to contain those fields.

Demo Code

/*/*from ww w.  j a  v a 2s. c  om*/
 * Copyright (C) 2011 The Android Open Source Project
 *
 * 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.
 */
import android.content.ContentValues;
import android.provider.CalendarContract.Instances;
import android.text.format.Time;

public class Main{
    /**
     * Computes the timezone-dependent fields of an instance of an event and
     * updates the "values" map to contain those fields.
     *
     * @param begin the start time of the instance (in UTC milliseconds)
     * @param end the end time of the instance (in UTC milliseconds)
     * @param local a Time object with the timezone set to the local timezone
     * @param values a map that will contain the timezone-dependent fields
     */
    static void computeTimezoneDependentFields(long begin, long end,
            Time local, ContentValues values) {
        local.set(begin);
        int startDay = Time.getJulianDay(begin, local.gmtoff);
        int startMinute = local.hour * 60 + local.minute;

        local.set(end);
        int endDay = Time.getJulianDay(end, local.gmtoff);
        int endMinute = local.hour * 60 + local.minute;

        // Special case for midnight, which has endMinute == 0.  Change
        // that to +24 hours on the previous day to make everything simpler.
        // Exception: if start and end minute are both 0 on the same day,
        // then leave endMinute alone.
        if (endMinute == 0 && endDay > startDay) {
            endMinute = 24 * 60;
            endDay -= 1;
        }

        values.put(Instances.START_DAY, startDay);
        values.put(Instances.END_DAY, endDay);
        values.put(Instances.START_MINUTE, startMinute);
        values.put(Instances.END_MINUTE, endMinute);
    }
}

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