Sara Ting | 7087453 | 2012-10-18 11:46:33 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License |
| 15 | */ |
| 16 | |
| 17 | package com.android.calendar.alerts; |
| 18 | |
| 19 | import android.app.IntentService; |
| 20 | import android.content.ContentValues; |
| 21 | import android.content.Intent; |
| 22 | import android.net.Uri; |
| 23 | import android.os.SystemClock; |
| 24 | import android.provider.CalendarContract; |
| 25 | import android.util.Log; |
| 26 | |
| 27 | /** |
| 28 | * Service for clearing all scheduled alerts from the CalendarAlerts table and |
| 29 | * rescheduling them. This is expected to be called only on boot up, to restore |
| 30 | * the AlarmManager alarms that were lost on device restart. |
| 31 | */ |
| 32 | public class InitAlarmsService extends IntentService { |
| 33 | private static final String TAG = "InitAlarmsService"; |
| 34 | private static final String SCHEDULE_ALARM_REMOVE_PATH = "schedule_alarms_remove"; |
| 35 | private static final Uri SCHEDULE_ALARM_REMOVE_URI = Uri.withAppendedPath( |
| 36 | CalendarContract.CONTENT_URI, SCHEDULE_ALARM_REMOVE_PATH); |
| 37 | |
| 38 | // Delay for rescheduling the alarms must be great enough to minimize race |
| 39 | // conditions with the provider's boot up actions. |
| 40 | private static final long DELAY_MS = 30000; |
| 41 | |
| 42 | public InitAlarmsService() { |
| 43 | super("InitAlarmsService"); |
| 44 | } |
| 45 | |
| 46 | @Override |
| 47 | protected void onHandleIntent(Intent intent) { |
| 48 | // Delay to avoid race condition of in-progress alarm scheduling in provider. |
| 49 | SystemClock.sleep(DELAY_MS); |
| 50 | Log.d(TAG, "Clearing and rescheduling alarms."); |
Michael Chan | 17cc038 | 2013-02-08 16:50:04 -0800 | [diff] [blame] | 51 | try { |
| 52 | getContentResolver().update(SCHEDULE_ALARM_REMOVE_URI, new ContentValues(), null, |
| 53 | null); |
| 54 | } catch (java.lang.IllegalArgumentException e) { |
| 55 | // java.lang.IllegalArgumentException: |
| 56 | // Unknown URI content://com.android.calendar/schedule_alarms_remove |
| 57 | |
| 58 | // Until b/7742576 is resolved, just catch the exception so the app won't crash |
| 59 | Log.e(TAG, "update failed: " + e.toString()); |
| 60 | } |
Sara Ting | 7087453 | 2012-10-18 11:46:33 -0700 | [diff] [blame] | 61 | } |
| 62 | } |