Shulou(Shulou.com)06/01 Report--

This article is about how Android can synchronize the calendar of the system. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

1. Permissions

2. Dynamic permission Activity

If (ContextCompat.checkSelfPermission (this, Manifest.permission.WRITE_CALENDAR)! = PackageManager.PERMISSION_GRANTED) {ActivityCompat.requestPermissions (this, new String [] {Manifest.permission.WRITE_CALENDAR, Manifest.permission.READ_CALENDAR}, 1);}

3. Use

String tipTime = "2021-04-25 12:00"; long start = TimeUtils.stringToLong (tipTime, "yyyy-MM-dd HH:mm"); long end = start + 60 * 60 * 1000L; LogUtil.d ("start:" + start); LogUtil.d ("end:" + end); String [] split = tipTime.split (""); String [] dateStr = split [0] .split ("-") Int month = Integer.parseInt (dateStr [1]); int day = Integer.parseInt (dateStr [2]); String until = "20221231T235959Z"; / / cut-off date: 23:59:59 on December 31, 2022 String mRule = ""; switch (mRepeatType) {case 1 mRepeatType / do not repeat mRule = null; break Case 2FREQ=YEARLY;UNTIL= FREQ=YEARLY;UNTIL= / annual repeat (a certain day of the year) mRule = "FREQ=YEARLY;UNTIL=" + until + "; WKST=SU;BYMONTH=" + month + "; BYMONTHDAY=" + day; break; case 3 until + "/ monthly (some day of the month) mRule =" FREQ=MONTHLY;UNTIL= "+ until +"; WKST=SU;BYMONTHDAY= "+ day; break Case 4split / repeat weekly String date = split [0]; String week = TimeUtils.getWeek (date); switch (week) {case "Sunday": mRule = "FREQ=WEEKLY;UNTIL=" + until + "; WKST=SU;BYDAY=SU"; break Case "Monday": mRule = "FREQ=WEEKLY;UNTIL=" + until + "; WKST=SU;BYDAY=MO"; break; case "Tuesday": mRule = "FREQ=WEEKLY;UNTIL=" + until + "; WKST=SU;BYDAY=TU"; break Case "Wednesday": mRule = "FREQ=WEEKLY;UNTIL=" + until + "; WKST=SU;BYDAY=WE"; break; case "Thursday": mRule = "FREQ=WEEKLY;UNTIL=" + until + "; WKST=SU;BYDAY=TH"; break Case "Friday": mRule = "FREQ=WEEKLY;UNTIL=" + until + "; WKST=SU;BYDAY=FR"; break; case "Saturday": mRule = "FREQ=WEEKLY;UNTIL=" + until + "; WKST=SU;BYDAY=SA"; break } break; case 5until; break; case mRule / per day (daily) mRule = "FREQ=WEEKLY;UNTIL=" + until + "; WKST=SU;BYDAY=" String [] weeks = mSelectedWeekStr.split (","); for (int I = 0; I

< weeks.length; i++) { if (weeks[i].equals("周日")) { mRule += "SU,"; } else if (weeks[i].equals("周一")) { mRule += "MO,"; } else if (weeks[i].equals("周二")) { mRule += "TU,"; } else if (weeks[i].equals("周三")) { mRule += "WE,"; } else if (weeks[i].equals("周四")) { mRule += "TH,"; } else if (weeks[i].equals("周五")) { mRule += "FR,"; } else if (weeks[i].equals("周六")) { mRule += "SA,"; } } if (mRule.endsWith(",")) { mRule.substring(0, mRule.length() - 1); } break; } LogUtil.d("mRule:" + mRule); CalendarEvent calendarEvent = new CalendarEvent( mContent, mContent, "", start, end, 0, mRule ); // 添加事件int addResult = CalendarProviderManager.addCalendarEvent(AddScheduleActivity.this, calendarEvent);if (addResult == 0) { ToastUtil.showShortToast("插入成功"); } else if (addResult == -1) { ToastUtil.showShortToast("插入失败"); } else if (addResult == -2) { ToastUtil.showShortToast("没有权限"); } 3、时间转换方法 public static long stringToLong(String strTime, String formatType) { Date date = null; // String类型转成date类型 try { date = stringToDate(strTime, formatType); } catch (Exception e) { e.printStackTrace(); } if (date == null) { return 0; } else { long currentTime = dateToLong(date); // date类型转成long类型 return currentTime; } } public static Date stringToDate(String strTime, String formatType) { SimpleDateFormat formatter = new SimpleDateFormat(formatType); Date date = null; try { date = formatter.parse(strTime); } catch (ParseException e) { e.printStackTrace(); } return date; } // date要转换的date类型的时间 public static long dateToLong(Date date) { return date.getTime(); } 4、CalendarProviderManager 类 import android.content.ContentUris;import android.content.ContentValues;import android.content.Context;import android.content.Intent;import android.content.pm.PackageManager;import android.database.Cursor;import android.graphics.Color;import android.net.Uri;import android.os.Build;import android.provider.CalendarContract; import calendarprovider.Util; import java.util.ArrayList;import java.util.List;import java.util.TimeZone; import static com.kyle.calendarprovider.Util.checkContextNull; /** * 系统日历工具 */public class CalendarProviderManager { private static StringBuilder builder = new StringBuilder(); /** * TIP: 要向系统日历插入事件,前提系统中必须存在至少1个日历账户 ** / // ----------------------- 创建日历账户时账户名使用 --------------------------- private static String CALENDAR_NAME = "TestC"; private static String CALENDAR_ACCOUNT_NAME = "Test"; private static String CALENDAR_DISPLAY_NAME = "Test的账户"; // ------------------------------- 日历账户 ----------------------------------- /** * 获取日历账户ID(若没有则会自动创建一个) * * @return success: 日历账户ID failed : -1 permission deny : -2 */ @SuppressWarnings("WeakerAccess") public static long obtainCalendarAccountID(Context context) { long calID = checkCalendarAccount(context); if (calID >

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