如何在Android中设置提醒?
我正在尝试为Android构建一个日历应用程序。我被击中了中间。我已经设法从用户那里检索到时间和任务等信息如何在Android中设置提醒?,android,calendar,Android,Calendar,我正在尝试为Android构建一个日历应用程序。我被击中了中间。我已经设法从用户那里检索到时间和任务等信息 我不知道如何将此添加到android事件中。是否有类似于setEvent或类似的功能?您可以在具有通知机制的协作中使用AlarmManager 大概是这样的: Intent intent = new Intent(ctx, ReminderBroadcastReceiver.class); PendingIntent pendingIntent = PendingIntent.getBro
我不知道如何将此添加到android事件中。是否有类似于
setEvent
或类似的功能?您可以在具有通知机制的协作中使用AlarmManager
大概是这样的:
Intent intent = new Intent(ctx, ReminderBroadcastReceiver.class);
PendingIntent pendingIntent = PendingIntent.getBroadcast(ctx, 0, intent, PendingIntent.FLAG_UPDATE_CURRENT);
AlarmManager am = (AlarmManager) ctx.getSystemService(Activity.ALARM_SERVICE);
// time of of next reminder. Unix time.
long timeMs =...
if (Build.VERSION.SDK_INT < 19) {
am.set(AlarmManager.RTC_WAKEUP, timeMs, pendingIntent);
} else {
am.setExact(AlarmManager.RTC_WAKEUP, timeMs, pendingIntent);
}
不,如果您希望透明地将方法添加到用户的日历中,那么它比仅仅调用方法更复杂 你有两个选择
这将弹出日历应用程序,让用户添加事件。您可以传递一些参数来预填充字段:
Calendar cal = Calendar.getInstance();
Intent intent = new Intent(Intent.ACTION_EDIT);
intent.setType("vnd.android.cursor.item/event");
intent.putExtra("beginTime", cal.getTimeInMillis());
intent.putExtra("allDay", false);
intent.putExtra("rrule", "FREQ=DAILY");
intent.putExtra("endTime", cal.getTimeInMillis()+60*60*1000);
intent.putExtra("title", "A Test Event from android app");
startActivity(intent);
或者更复杂的一个:(强烈建议不要使用此方法,因为它可能在较新的Android版本上中断): 并以这种方式添加事件和提醒:
// get calendar
Calendar cal = Calendar.getInstance();
Uri EVENTS_URI = Uri.parse(getCalendarUriBase(this) + "events");
ContentResolver cr = getContentResolver();
// event insert
ContentValues values = new ContentValues();
values.put("calendar_id", 1);
values.put("title", "Reminder Title");
values.put("allDay", 0);
values.put("dtstart", cal.getTimeInMillis() + 11*60*1000); // event starts at 11 minutes from now
values.put("dtend", cal.getTimeInMillis()+60*60*1000); // ends 60 minutes from now
values.put("description", "Reminder description");
values.put("visibility", 0);
values.put("hasAlarm", 1);
Uri event = cr.insert(EVENTS_URI, values);
// reminder insert
Uri REMINDERS_URI = Uri.parse(getCalendarUriBase(this) + "reminders");
values = new ContentValues();
values.put( "event_id", Long.parseLong(event.getLastPathSegment()));
values.put( "method", 1 );
values.put( "minutes", 10 );
cr.insert( REMINDERS_URI, values );
您还需要将这些权限添加到此方法的清单中:
<uses-permission android:name="android.permission.READ_CALENDAR" />
<uses-permission android:name="android.permission.WRITE_CALENDAR" />
有关这方面的更多信息,请访问。Android完整的源代码,用于添加具有开始和结束时间格式的事件和提醒
/** Adds Events and Reminders in Calendar. */
private void addReminderInCalendar() {
Calendar cal = Calendar.getInstance();
Uri EVENTS_URI = Uri.parse(getCalendarUriBase(true) + "events");
ContentResolver cr = getContentResolver();
TimeZone timeZone = TimeZone.getDefault();
/** Inserting an event in calendar. */
ContentValues values = new ContentValues();
values.put(CalendarContract.Events.CALENDAR_ID, 1);
values.put(CalendarContract.Events.TITLE, "Sanjeev Reminder 01");
values.put(CalendarContract.Events.DESCRIPTION, "A test Reminder.");
values.put(CalendarContract.Events.ALL_DAY, 0);
// event starts at 11 minutes from now
values.put(CalendarContract.Events.DTSTART, cal.getTimeInMillis() + 11 * 60 * 1000);
// ends 60 minutes from now
values.put(CalendarContract.Events.DTEND, cal.getTimeInMillis() + 60 * 60 * 1000);
values.put(CalendarContract.Events.EVENT_TIMEZONE, timeZone.getID());
values.put(CalendarContract.Events.HAS_ALARM, 1);
Uri event = cr.insert(EVENTS_URI, values);
// Display event id
Toast.makeText(getApplicationContext(), "Event added :: ID :: " + event.getLastPathSegment(), Toast.LENGTH_SHORT).show();
/** Adding reminder for event added. */
Uri REMINDERS_URI = Uri.parse(getCalendarUriBase(true) + "reminders");
values = new ContentValues();
values.put(CalendarContract.Reminders.EVENT_ID, Long.parseLong(event.getLastPathSegment()));
values.put(CalendarContract.Reminders.METHOD, Reminders.METHOD_ALERT);
values.put(CalendarContract.Reminders.MINUTES, 10);
cr.insert(REMINDERS_URI, values);
}
/** Returns Calendar Base URI, supports both new and old OS. */
private String getCalendarUriBase(boolean eventUri) {
Uri calendarURI = null;
try {
if (android.os.Build.VERSION.SDK_INT <= 7) {
calendarURI = (eventUri) ? Uri.parse("content://calendar/") : Uri.parse("content://calendar/calendars");
} else {
calendarURI = (eventUri) ? Uri.parse("content://com.android.calendar/") : Uri
.parse("content://com.android.calendar/calendars");
}
} catch (Exception e) {
e.printStackTrace();
}
return calendarURI.toString();
}
/**在日历中添加事件和提醒*/
私有void addalendar(){
Calendar cal=Calendar.getInstance();
urievents_Uri=Uri.parse(getCalendarUriBase(true)+“事件”);
ContentResolver cr=getContentResolver();
时区TimeZone=TimeZone.getDefault();
/**在日历中插入事件*/
ContentValues=新的ContentValues();
value.put(CalendarContract.Events.CALENDAR\u ID,1);
values.put(CalendarContract.Events.TITLE,“Sanjeev提醒01”);
value.put(CalendarContract.Events.DESCRIPTION,“测试提醒”);
value.put(CalendarContract.Events.ALL_DAY,0);
//活动从现在起11分钟开始
value.put(CalendarContract.Events.DTSTART,cal.getTimeInMillis()+11*60*1000);
//60分钟后结束
value.put(CalendarContract.Events.DTEND,cal.getTimeInMillis()+60*60*1000);
value.put(CalendarContract.Events.EVENT_TIMEZONE,TIMEZONE.getID());
value.put(CalendarContract.Events.HAS_报警,1);
Uri事件=cr.insert(事件\ Uri,值);
//显示事件id
Toast.makeText(getApplicationContext(),“添加的事件::ID::”+Event.getLastPathSegment(),Toast.LENGTH_SHORT).show();
/**为已添加的事件添加提醒*/
Uri提醒_Uri=Uri.parse(getCalendarUriBase(true)+“提醒”);
values=新的ContentValues();
values.put(CalendarContract.members.EVENT_ID,Long.parseLong(EVENT.getLastPathSegment());
values.put(CalendarContract.members.METHOD,members.METHOD\u ALERT);
值。放置(CalendarContract.Members.MINUTES,10);
cr.insert(提醒、URI、值);
}
/**返回日历基URI,支持新操作系统和旧操作系统*/
私有字符串getCalendarUriBase(布尔eventUri){
Uri calendarURI=null;
试一试{
如果(android.os.Build.VERSION.SDK_INT),这可能会有所帮助。但问题是,我不应该使用报警管理器。但仍然感谢您的帮助。使用变量但不显示其声明位置的答案是worst@ojonugwaochalifu抱歉,已修复。events.add(event);
你能告诉我,你在这里指的是什么吗?因为我不知道“事件”是什么意思,它显示了错误。对不起,我在代码中引用了一个全局变量以将所有事件保留在一个列表中,不需要=)我将编辑答案,我应该提供什么来代替“act”。另一个错误的引用,该死,我会更新答案,getCalendarUriBase(Activity act)需要一个活动作为参数,如果您在活动中,只需提供“this”;)05-12 19:46:20.704:ERROR/AndroidRuntime(368):原因:java.lang.IllegalArgumentException:未知URL nullevents 05-12 19:46:20.704:ERROR/AndroidRuntime(368):位于android.content.ContentResolver.insert(ContentResolver.java:626)但当我尝试在我的系统中运行时,仍然会出现这些错误device@SanjeevKumar我们如何在一个事件上添加多次。我的意思是我想在1小时、20分钟和1分钟之前添加事件。@Umair Iqbal::为此,您只需将事件添加到日历中作为新事件。所有事件详细信息都将相同,只是时间会改变。每个事件它有自己的id,所以不会有任何问题,它可以正常工作。@pblead26::只需创建一个新项目并使用此方法,提供所需的权限。它可以正常工作。
<uses-permission android:name="android.permission.READ_CALENDAR" />
<uses-permission android:name="android.permission.WRITE_CALENDAR" />
/** Adds Events and Reminders in Calendar. */
private void addReminderInCalendar() {
Calendar cal = Calendar.getInstance();
Uri EVENTS_URI = Uri.parse(getCalendarUriBase(true) + "events");
ContentResolver cr = getContentResolver();
TimeZone timeZone = TimeZone.getDefault();
/** Inserting an event in calendar. */
ContentValues values = new ContentValues();
values.put(CalendarContract.Events.CALENDAR_ID, 1);
values.put(CalendarContract.Events.TITLE, "Sanjeev Reminder 01");
values.put(CalendarContract.Events.DESCRIPTION, "A test Reminder.");
values.put(CalendarContract.Events.ALL_DAY, 0);
// event starts at 11 minutes from now
values.put(CalendarContract.Events.DTSTART, cal.getTimeInMillis() + 11 * 60 * 1000);
// ends 60 minutes from now
values.put(CalendarContract.Events.DTEND, cal.getTimeInMillis() + 60 * 60 * 1000);
values.put(CalendarContract.Events.EVENT_TIMEZONE, timeZone.getID());
values.put(CalendarContract.Events.HAS_ALARM, 1);
Uri event = cr.insert(EVENTS_URI, values);
// Display event id
Toast.makeText(getApplicationContext(), "Event added :: ID :: " + event.getLastPathSegment(), Toast.LENGTH_SHORT).show();
/** Adding reminder for event added. */
Uri REMINDERS_URI = Uri.parse(getCalendarUriBase(true) + "reminders");
values = new ContentValues();
values.put(CalendarContract.Reminders.EVENT_ID, Long.parseLong(event.getLastPathSegment()));
values.put(CalendarContract.Reminders.METHOD, Reminders.METHOD_ALERT);
values.put(CalendarContract.Reminders.MINUTES, 10);
cr.insert(REMINDERS_URI, values);
}
/** Returns Calendar Base URI, supports both new and old OS. */
private String getCalendarUriBase(boolean eventUri) {
Uri calendarURI = null;
try {
if (android.os.Build.VERSION.SDK_INT <= 7) {
calendarURI = (eventUri) ? Uri.parse("content://calendar/") : Uri.parse("content://calendar/calendars");
} else {
calendarURI = (eventUri) ? Uri.parse("content://com.android.calendar/") : Uri
.parse("content://com.android.calendar/calendars");
}
} catch (Exception e) {
e.printStackTrace();
}
return calendarURI.toString();
}
<uses-permission android:name="android.permission.READ_CALENDAR" />
<uses-permission android:name="android.permission.WRITE_CALENDAR" />