2 * Copyright (C) 2006 The Android Open Source Project
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package com.android.calendar;
19 import static android.provider.Calendar.EVENT_BEGIN_TIME;
21 import android.content.Context;
22 import android.content.Intent;
23 import android.content.SharedPreferences;
24 import android.content.res.Resources;
25 import android.preference.PreferenceManager;
26 import android.text.format.Time;
27 import android.view.animation.AlphaAnimation;
28 import android.widget.ViewFlipper;
30 import java.util.Calendar;
33 public static void startActivity(Context context, String className, long time) {
34 Intent intent = new Intent(Intent.ACTION_VIEW);
36 intent.setClassName(context, className);
37 intent.putExtra(EVENT_BEGIN_TIME, time);
38 intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT | Intent.FLAG_ACTIVITY_SINGLE_TOP);
40 context.startActivity(intent);
43 static void setDefaultView(Context context, int viewId) {
44 String activityString = CalendarApplication.ACTIVITY_NAMES[viewId];
46 SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context);
47 SharedPreferences.Editor editor = prefs.edit();
48 if (viewId == CalendarApplication.AGENDA_VIEW_ID ||
49 viewId == CalendarApplication.DAY_VIEW_ID) {
50 // Record the (new) detail start view only for Agenda and Day
51 editor.putString(CalendarPreferenceActivity.KEY_DETAILED_VIEW, activityString);
54 // Record the (new) start view
55 editor.putString(CalendarPreferenceActivity.KEY_START_VIEW, activityString);
59 public static final Time timeFromIntent(Intent intent) {
60 Time time = new Time();
61 time.set(timeFromIntentInMillis(intent));
66 * If the given intent specifies a time (in milliseconds since the epoch),
67 * then that time is returned. Otherwise, the current time is returned.
69 public static final long timeFromIntentInMillis(Intent intent) {
70 // If the time was specified, then use that. Otherwise, use the current time.
71 long millis = intent.getLongExtra(EVENT_BEGIN_TIME, -1);
73 millis = System.currentTimeMillis();
78 public static final void applyAlphaAnimation(ViewFlipper v) {
79 AlphaAnimation in = new AlphaAnimation(0.0f, 1.0f);
84 AlphaAnimation out = new AlphaAnimation(1.0f, 0.0f);
86 out.setStartOffset(0);
90 v.setOutAnimation(out);
94 * Formats the given Time object so that it gives the month and year
95 * (for example, "September 2007").
97 * @param time the time to format
98 * @return the string containing the weekday and the date
100 public static String formatMonthYear(Context context, Time time) {
101 return time.format(context.getResources().getString(R.string.month_year));
104 // TODO: replace this with the correct i18n way to do this
105 public static final String englishNthDay[] = {
106 "", "1st", "2nd", "3rd", "4th", "5th", "6th", "7th", "8th", "9th",
107 "10th", "11th", "12th", "13th", "14th", "15th", "16th", "17th", "18th", "19th",
108 "20th", "21st", "22nd", "23rd", "24th", "25th", "26th", "27th", "28th", "29th",
112 public static String formatNth(int nth) {
113 return "the " + englishNthDay[nth];
117 * Sets the time to the beginning of the day (midnight) by clearing the
118 * hour, minute, and second fields.
120 static void setTimeToStartOfDay(Time time) {
127 * Get first day of week as android.text.format.Time constant.
128 * @return the first day of week in android.text.format.Time
130 public static int getFirstDayOfWeek() {
131 int startDay = Calendar.getInstance().getFirstDayOfWeek();
132 if (startDay == Calendar.SATURDAY) {
133 return Time.SATURDAY;
134 } else if (startDay == Calendar.MONDAY) {
142 * Determine whether the column position is Saturday or not.
143 * @param column the column position
144 * @param firstDayOfWeek the first day of week in android.text.format.Time
145 * @return true if the column is Saturday position
147 public static boolean isSaturday(int column, int firstDayOfWeek) {
148 return (firstDayOfWeek == Time.SUNDAY && column == 6)
149 || (firstDayOfWeek == Time.MONDAY && column == 5)
150 || (firstDayOfWeek == Time.SATURDAY && column == 0);
154 * Determine whether the column position is Sunday or not.
155 * @param column the column position
156 * @param firstDayOfWeek the first day of week in android.text.format.Time
157 * @return true if the column is Sunday position
159 public static boolean isSunday(int column, int firstDayOfWeek) {
160 return (firstDayOfWeek == Time.SUNDAY && column == 0)
161 || (firstDayOfWeek == Time.MONDAY && column == 6)
162 || (firstDayOfWeek == Time.SATURDAY && column == 1);