import android.content.ContentUris;
import android.content.ContentValues;
import android.content.Context;
import android.database.Cursor;
import android.graphics.Color;
import android.net.Uri;
import android.provider.CalendarContract;
import android.text.TextUtils;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Date;
import java.util.TimeZone;
public class CalendarReminderUtils {
private static String CALENDER_URL = "content://com.android.calendar/calendars";
private static String CALENDER_EVENT_URL = "content://com.android.calendar/events";
private static String CALENDER_REMINDER_URL = "content://com.android.calendar/reminders";
private static String CALENDARS_NAME = "test";
private static String CALENDARS_ACCOUNT_NAME = "Test@163.com";
private static String CALENDARS_ACCOUNT_TYPE = "com.android.test";
private static String CALENDARS_DISPLAY_NAME = "Test账户";
/**
* 检查是否已经添加了日历账户，如果没有添加先添加一个日历账户再查询
* 获取账户成功返回账户id，否则返回-1
*/
private static int checkAndAddCalendarAccount(Context context) {
int oldId = checkCalendarAccount(context);
if (oldId >= 0) {
return oldId;
} else {
long addId = addCalendarAccount(context);
if (addId >= 0) {
return checkCalendarAccount(context);
} else {
return -1;
}
}
}
/**
* 检查是否存在现有账户，存在则返回账户id，否则返回-1
*/
private static int checkCalendarAccount(Context context) {
Cursor userCursor = context.getContentResolver().query(Uri.parse(CALENDER_URL), null, null, null, null);
try {
if (userCursor == null) { //查询返回空值
return -1;
}
int count = userCursor.getCount();
if (count > 0) { //存在现有账户，取第一个账户的id返回
userCursor.moveToFirst();
return userCursor.getInt(userCursor.getColumnIndex(CalendarContract.Calendars._ID));
} else {
return -1;
}
} finally {
if (userCursor != null) {
userCursor.close();
}
}
}
/**
* 添加日历账户，账户创建成功则返回账户id，否则返回-1
*/
private static long addCalendarAccount(Context context) {
TimeZone timeZone = TimeZone.getDefault();
ContentValues value = new ContentValues();
value.put(CalendarContract.Calendars.NAME, CALENDARS_NAME);
value.put(CalendarContract.Calendars.ACCOUNT_NAME, CALENDARS_ACCOUNT_NAME);
value.put(CalendarContract.Calendars.ACCOUNT_TYPE, CALENDARS_ACCOUNT_TYPE);
value.put(CalendarContract.Calendars.CALENDAR_DISPLAY_NAME, CALENDARS_DISPLAY_NAME);
value.put(CalendarContract.Calendars.VISIBLE, 1);
value.put(CalendarContract.Calendars.CALENDAR_COLOR, Color.BLUE);
value.put(CalendarContract.Calendars.CALENDAR_ACCESS_LEVEL, CalendarContract.Calendars.CAL_ACCESS_OWNER);
value.put(CalendarContract.Calendars.SYNC_EVENTS, 1);
value.put(CalendarContract.Calendars.CALENDAR_TIME_ZONE, timeZone.getID());
value.put(CalendarContract.Calendars.OWNER_ACCOUNT, CALENDARS_ACCOUNT_NAME);
value.put(CalendarContract.Calendars.CAN_ORGANIZER_RESPOND, 0);
Uri calendarUri = Uri.parse(CALENDER_URL);
calendarUri = calendarUri.buildUpon()
.appendQueryParameter(CalendarContract.CALLER_IS_SYNCADAPTER, "true")
.appendQueryParameter(CalendarContract.Calendars.ACCOUNT_NAME, CALENDARS_ACCOUNT_NAME)
.appendQueryParameter(CalendarContract.Calendars.ACCOUNT_TYPE, CALENDARS_ACCOUNT_TYPE)
.build();
Uri result = context.getContentResolver().insert(calendarUri, value);
long id = result == null ? -1 : ContentUris.parseId(result);
return id;
}
/**
* 添加日历事件
*/
public static void addCalendarEvent(Context context, String title, String description, long startTime, long endTime, int previousDate) {
if (context == null) {
return;
}
int calId = checkAndAddCalendarAccount(context); //获取日历账户的id
if (calId < 0) { //获取账户id失败直接返回，添加日历事件失败
return;
}
//添加日历事件
Calendar mCalendar = Calendar.getInstance();
mCalendar.setTimeInMillis(startTime);//设置开始时间
long start = mCalendar.getTime().getTime();
mCalendar.setTimeInMillis(endTime);//设置终止时间，
long end = mCalendar.getTime().getTime();
if (!checkCalendarEvent(context, title, description, startTime, endTime)) {
ContentValues event = new ContentValues();
event.put(CalendarContract.Events.TITLE, title);
event.put(CalendarContract.Events.DESCRIPTION, description);
event.put(CalendarContract.Events.CALENDAR_ID, calId); //插入账户的id
event.put(CalendarContract.Events.DTSTART, start);
event.put(CalendarContract.Events.DTEND, end);
event.put(CalendarContract.Events.HAS_ALARM, 1);//设置有闹钟提醒
// event.put(CalendarContract.Events.EVENT_TIMEZONE, "Asia/Shanghai");//这个是时区，必须有
event.put(CalendarContract.Events.EVENT_TIMEZONE, TimeZone.getDefault().getID());//这个是时区，必须有
Uri newEvent = context.getContentResolver().insert(Uri.parse(CALENDER_EVENT_URL), event); //添加事件
if (newEvent == null) { //添加日历事件失败直接返回
return;
}
//事件提醒的设定
ContentValues values = new ContentValues();
values.put(CalendarContract.Reminders.EVENT_ID, ContentUris.parseId(newEvent));
values.put(CalendarContract.Reminders.MINUTES, previousDate * 24 * 60);// 提前previousDate天有提醒
values.put(CalendarContract.Reminders.METHOD, CalendarContract.Reminders.METHOD_ALERT);
Uri uri = context.getContentResolver().insert(Uri.parse(CALENDER_REMINDER_URL), values);
if (uri == null) { //添加事件提醒失败直接返回
return;
}
}
}
/**
* 删除日历事件
*/
public static void deleteCalendarEvent(Context context, String title) {
if (context == null) {
return;
}
Cursor eventCursor = context.getContentResolver().query(Uri.parse(CALENDER_EVENT_URL), null, null, null, null);
try {
if (eventCursor == null) { //查询返回空值
return;
}
if (eventCursor.getCount() > 0) {
//遍历所有事件，找到title跟需要查询的title一样的项
for (eventCursor.moveToFirst(); !eventCursor.isAfterLast(); eventCursor.moveToNext()) {
String eventTitle = eventCursor.getString(eventCursor.getColumnIndex("title"));
if (!TextUtils.isEmpty(title) && title.equals(eventTitle)) {
int id = eventCursor.getInt(eventCursor.getColumnIndex(CalendarContract.Calendars._ID));//取得id
Uri deleteUri = ContentUris.withAppendedId(Uri.parse(CALENDER_EVENT_URL), id);
int rows = context.getContentResolver().delete(deleteUri, null, null);
if (rows == -1) { //事件删除失败
return;
}
}
}
}
} finally {
if (eventCursor != null) {
eventCursor.close();
}
}
}
/**
* 检查日历事件
*
* @param context
* @param title
*/
public static boolean checkCalendarEvent(Context context, String title, String description, long startTime, long endTime) {
if (context == null) {
return false;
}
Cursor eventCursor = context.getContentResolver().query(Uri.parse(CALENDER_EVENT_URL), null, null, null, null);
try {
if (eventCursor == null) { //查询返回空值
return false;
}
if (eventCursor.getCount() > 0) {
//遍历所有事件，找到title跟需要查询的title一样的项
String eventTitle = "";
String eventDescription = "";
long eventStartTime;
long eventEndTime;
while (eventCursor.moveToNext()) {
eventTitle = eventCursor.getString(eventCursor.getColumnIndex("title"));
eventDescription = eventCursor.getString(eventCursor.getColumnIndex("description"));
eventStartTime = Long.parseLong(eventCursor.getString(eventCursor.getColumnIndex("dtstart")));
eventEndTime = Long.parseLong(eventCursor.getString(eventCursor.getColumnIndex("dtend")));
if ((title != null && title.equals(eventTitle)) && (description != null && description.equals(eventDescription)) && (startTime == eventStartTime) && (endTime == eventEndTime)) {
return true;
}
}
}
} finally {
if (eventCursor != null) {
eventCursor.close();
}
}
return false;
}
/**
* 获取日历事件
*
* @param context
* @return
*/
private static JSONArray getCalendarEvent(Context context) {
String startTime = "";
String endTime = "";
String eventTitle = "";
String description = "";
String location = "";
JSONArray arr = new JSONArray();
Cursor eventCursor = context.getContentResolver().query(Uri.parse(CALENDER_EVENT_URL), null, null, null, null);
while (eventCursor.moveToNext()) {
JSONObject json = new JSONObject();
eventTitle = eventCursor.getString(eventCursor.getColumnIndex("title"));
description = eventCursor.getString(eventCursor.getColumnIndex("description"));
location = eventCursor.getString(eventCursor.getColumnIndex("eventLocation"));
startTime = timeStamp2Date(Long.parseLong(eventCursor.getString(eventCursor.getColumnIndex("dtstart"))));
endTime = timeStamp2Date(Long.parseLong(eventCursor.getString(eventCursor.getColumnIndex("dtend"))));
try {
json.put("eventTitle", eventTitle);
json.put("description", description);
json.put("location", location);
json.put("startTime", startTime);
json.put("endTime", endTime);
} catch (JSONException e) {
e.printStackTrace();
}
arr.put(json);
}
return arr;
}
/**
* 时间戳转换为字符串
*
* @param time:时间戳
* @return
*/
private static String timeStamp2Date(long time) {
String format = "yyyy-MM-dd HH:mm:ss";
SimpleDateFormat sdf = new SimpleDateFormat(format);
return sdf.format(new Date(time));
}
}
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