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/*
* Copyright (C) 2021 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License
*/
package com.android.calendar.alerts
import android.app.IntentService
import android.content.ContentValues
import android.content.Intent
import android.net.Uri
import android.os.SystemClock
import android.provider.CalendarContract
import android.util.Log
/**
* Service for clearing all scheduled alerts from the CalendarAlerts table and
* rescheduling them. This is expected to be called only on boot up, to restore
* the AlarmManager alarms that were lost on device restart.
*/
class InitAlarmsService : IntentService("InitAlarmsService") {
@Override
protected override fun onHandleIntent(intent: Intent?) {
// Delay to avoid race condition of in-progress alarm scheduling in provider.
SystemClock.sleep(DELAY_MS)
Log.d(TAG, "Clearing and rescheduling alarms.")
try {
getContentResolver().update(
SCHEDULE_ALARM_REMOVE_URI, ContentValues(), null,
null
)
} catch (e: java.lang.IllegalArgumentException) {
// java.lang.IllegalArgumentException:
// Unknown URI content://com.android.calendar/schedule_alarms_remove
// Until b/7742576 is resolved, just catch the exception so the app won't crash
Log.e(TAG, "update failed: " + e.toString())
}
}
companion object {
private const val TAG = "InitAlarmsService"
private const val SCHEDULE_ALARM_REMOVE_PATH = "schedule_alarms_remove"
private val SCHEDULE_ALARM_REMOVE_URI: Uri = Uri.withAppendedPath(
CalendarContract.CONTENT_URI, SCHEDULE_ALARM_REMOVE_PATH
)
// Delay for rescheduling the alarms must be great enough to minimize race
// conditions with the provider's boot up actions.
private const val DELAY_MS: Long = 30000
}
}
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