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    <p>Nope, it is more complicated than just calling a method, if you want to transparently add it into the user's calendar.</p> <p>You've got a couple of choices;</p> <ol> <li><p><strong>Calling the intent to add an event on the calendar</strong> <br>This will pop up the Calendar application and let the user add the event. You can pass some parameters to prepopulate fields:</p> <pre><code>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); </code></pre> <p>Or the more complicated one:</p></li> <li><p><strong>Get a reference to the calendar with this method</strong> <br>(It is <strong>highly</strong> recommended <strong>not</strong> to use this method, because it could break on newer Android versions):</p> <pre><code>private String getCalendarUriBase(Activity act) { String calendarUriBase = null; Uri calendars = Uri.parse("content://calendar/calendars"); Cursor managedCursor = null; try { managedCursor = act.managedQuery(calendars, null, null, null, null); } catch (Exception e) { } if (managedCursor != null) { calendarUriBase = "content://calendar/"; } else { calendars = Uri.parse("content://com.android.calendar/calendars"); try { managedCursor = act.managedQuery(calendars, null, null, null, null); } catch (Exception e) { } if (managedCursor != null) { calendarUriBase = "content://com.android.calendar/"; } } return calendarUriBase; } </code></pre> <p><strong>and add an event and a reminder this way</strong>:</p> <pre><code>// 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 ); </code></pre> <p>You'll also need to add these permissions to your manifest for this method:</p> <pre><code>&lt;uses-permission android:name="android.permission.READ_CALENDAR" /&gt; &lt;uses-permission android:name="android.permission.WRITE_CALENDAR" /&gt; </code></pre></li> </ol> <p><strong>Update: ICS Issues</strong></p> <p>The above examples use the undocumented Calendar APIs, new public Calendar APIs have been released for ICS, so for this reason, to target new android versions you should use <a href="http://developer.android.com/reference/android/provider/CalendarContract.html">CalendarContract</a>.</p> <p>More infos about this can be found at <a href="http://android-developers.blogspot.co.uk/2011/10/ics-and-non-public-apis.html">this blog post</a>.</p>
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    1. CO`events.add(event);` Can you plz tell me, what you are referring to here. because I dont know what "events" means and It shows error.
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    2. COsorry, I was referring to a global variable in my code to keep all the events in a list, it isn't needed =) i'll edit the answer
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    3. COAnd what should i provide instead of "act".
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