Android 获取日历日程事件

注意！！！

多个重复的事件只会有一条数据，例如创建了一个每天都提醒的事件，获取事件时只会有第一天的数据，其它的时间不会有；如果你要获取指定几天里面的所有日程事件，请看Android 获取最近几天的日历日程_Choi晨的博客-CSDN博客；

首先获取日历权限

 <uses-permission android:name="android.permission.READ_CALENDAR" /><uses-permission android:name="android.permission.WRITE_CALENDAR" />

static String[] permissions = new String[] { "android.permission.READ_CALENDAR"};ActivityCompat.requestPermissions(activity, permissions, 0);

然后获取日程事件：

获取到的数据如下图

[{"endTime":"2022-06-08 20:55:00","eventTitle":"我是标题","location":"上海","startTime":"2022-06-08 19:15:00","week":"3"},{"description":"说明一下情况啊","endTime":"2022-06-03 20:00:00","eventTitle":"端午节啦啦啦","location":"上海","startTime":"2022-06-03 19:00:00","week":"5"}]

public static ArrayList<CalenderDataStruct> GetCalenderSchedule(Context context){String startTime = "";String endTime = "";String eventTitle = "";String description = "";String location = "";String week = "";ArrayList<CalenderDataStruct> arr=new ArrayList<CalenderDataStruct>();Cursor eventCursor = context.getContentResolver().query(Uri.parse(CALENDER_EVENT_URL), null,null, null,  "dtstart"+" DESC");while (eventCursor.moveToNext()){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"))));week = ""+ (getWeek(startTime));CalenderDataStruct item=new CalenderDataStruct(eventTitle, startTime, endTime,description, location,week);arr.add(item);}return arr;}

全部代码，获取全部日程事件、获取几天内的日程事件都在下面；

import android.app.Activity;
import android.content.Context;
import android.content.pm.PackageManager;
import android.database.Cursor;
import android.net.Uri;
import android.telephony.TelephonyManager;
import android.util.Log;
import androidx.core.app.ActivityCompat;
import androidx.core.content.ContextCompat;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Date;
import java.util.List;public class CalendarUtil {private static final String TAG ="Main_calendarUtil";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 TelephonyManager mTm;// 当天当前的时间变量private  static long currentTime;// 当天之后的几天后的时间变量private  static long afterDayTime = Long.MAX_VALUE;// 一天总共的毫秒数private  static long onedayMS = 1000*60*60*24;/*** 添加从当天开始获取之后几天的日历日程事件* @param context* @param afterDays* @return*/public static ArrayList<CalenderDataStruct> GetCalenderScheduleFormNow(Context context,int afterDays){currentTime = System.currentTimeMillis();if (afterDays > 0){afterDayTime = afterDays * onedayMS +currentTime;}String startTime = "";String endTime = "";String eventTitle = "";String description = "";String location = "";String week = "";ArrayList<CalenderDataStruct> arr=new ArrayList<CalenderDataStruct>();Cursor eventCursor = context.getContentResolver().query(Uri.parse(CALENDER_EVENT_URL), null,null, null,  "dtstart"+" DESC");while (eventCursor.moveToNext()){long dtstart = Long.parseLong(eventCursor.getString(eventCursor.getColumnIndex("dtstart")));// 满足获取条件的日历日程数据if( currentTime < dtstart && dtstart < afterDayTime){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"))));week = ""+ (getWeek(startTime));CalenderDataStruct item=new CalenderDataStruct(eventTitle, startTime, endTime,description, location,week);arr.add(item);}}return arr;}public static ArrayList<CalenderDataStruct> GetCalenderSchedule(Context context){String startTime = "";String endTime = "";String eventTitle = "";String description = "";String location = "";String week = "";ArrayList<CalenderDataStruct> arr=new ArrayList<CalenderDataStruct>();Cursor eventCursor = context.getContentResolver().query(Uri.parse(CALENDER_EVENT_URL), null,null, null,  "dtstart"+" DESC");while (eventCursor.moveToNext()){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"))));week = ""+ (getWeek(startTime));CalenderDataStruct item=new CalenderDataStruct(eventTitle, startTime, endTime,description, location,week);arr.add(item);}return arr;}private static JSONArray getCalendar(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));}/*** 判断当前日期是星期几** @param  pTime     设置的需要判断的时间  //格式如2012-09-08** @return dayForWeek 判断结果* @Exception 发生异常*///  String pTime = "2012-03-12";private static int getWeek(String pTime) {int Week = 0;SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");Calendar c = Calendar.getInstance();try {c.setTime(format.parse(pTime));} catch (ParseException e) {// TODO Auto-generated catch blocke.printStackTrace();}if (c.get(Calendar.DAY_OF_WEEK) == 1) {Week = 0;}if (c.get(Calendar.DAY_OF_WEEK) == 2) {Week = 1;}if (c.get(Calendar.DAY_OF_WEEK) == 3) {Week = 2;}if (c.get(Calendar.DAY_OF_WEEK) == 4) {Week = 3;}if (c.get(Calendar.DAY_OF_WEEK) == 5) {Week = 4;}if (c.get(Calendar.DAY_OF_WEEK) == 6) {Week = 5;}if (c.get(Calendar.DAY_OF_WEEK) == 7) {Week = 6;}return Week;}// 添加需要的动态申请的权限（危险权限才会弹出跳出）static String[] permissions = new String[] { "android.permission.READ_CALENDAR"};/*** 检测权限，然后动态申请未授权的权限* （给 Unity 使用）* @param permissions Unity 传给来的权限字符串*/public static void checkPermissionsForUnity( Activity activity){// 申请权限checkPermissions(activity, permissions);}/*** 动态权限申请，可给Android 自己调用* @param activity* @param MANDATORY_PERMISSIONS*/private static void checkPermissions(Activity activity, String[] MANDATORY_PERMISSIONS) {Log.i(TAG, "checkPermissions: 检测权限");// 判断授权列表List<String> unGrantedPermissions;unGrantedPermissions = new ArrayList();// 检测权限for (String permission : MANDATORY_PERMISSIONS) {Log.i(TAG, "checkPermissions: permission " +permission);if (ContextCompat.checkSelfPermission(activity, permission) != PackageManager.PERMISSION_GRANTED) {unGrantedPermissions.add(permission);}}// 权限请求是否授权if (unGrantedPermissions.size() != 0) {String[] array = new String[unGrantedPermissions.size()];ActivityCompat.requestPermissions(activity, unGrantedPermissions.toArray(array), 0);Log.i(TAG, "checkPermissions: 已经获得了所有权限");}Log.i(TAG, "checkPermissions: Is Over");}}

JavaBean：

public class CalenderDataStruct{public CalenderDataStruct(String eventTitle, String startTime, String endTime, String description, String location, String week) {this.eventTitle = eventTitle;this.startTime = startTime;this.endTime = endTime;this.description = description;this.location = location;this.week = week;}public String eventTitle = "";public String startTime;public String endTime;public String description;public String location;public String week;}

如何使用：

findViewById(R.id.richeng).setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {if (ContextCompat.checkSelfPermission(MainActivity.this, "android.permission.READ_CALENDAR") != PackageManager.PERMISSION_GRANTED) {CalendarUtil.checkPermissionsForUnity(MainActivity.this);}else{ArrayList<CalenderDataStruct> s = CalendarUtil.GetCalenderScheduleFormNow(MainActivity.this,15);Log.i("CalenderDataStruct", new Gson().toJson(s)); }}});

注意！！！

多个重复的事件只会有一条数据，例如创建了一个每天都提醒的事件，获取事件时只会有第一天的数据，其它的时间不会有；如果你要获取指定几天里面的所有日程事件，请看这里 Android 获取最近几天的日历日程_Choi晨的博客-CSDN博客；
Cursor eventCursor = CalendarContract.Instances.query(context.getContentResolver() , null , currentTime , afterDayTime);

这个方法会获取指定时间段里每天的日程事件；

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Android 获取日历日程事件

首先获取日历权限

然后获取日程事件：

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