am afd81beb: Merge change Icbb3aa0a into eclair

import java.util.HashSet;

import java.util.List;

import java.util.Map;

import java.util.Random;

class BackupManagerService extends IBackupManager.Stub {

    private static final String TAG = "BackupManagerService";

    // trigger an immediate pass.

    private static final long BACKUP_INTERVAL = AlarmManager.INTERVAL_HOUR;

    // Random variation in backup scheduling time to avoid server load spikes

    private static final int FUZZ_MILLIS = 5 * 60 * 1000;

    // The amount of time between the initial provisioning of the device and

    // the first backup pass.

    private static final long FIRST_BACKUP_INTERVAL = 12 * AlarmManager.INTERVAL_HOUR;

    }

    private void startBackupAlarmsLocked(long delayBeforeFirstBackup) {

        long when = System.currentTimeMillis() + delayBeforeFirstBackup;

        mAlarmManager.setInexactRepeating(AlarmManager.RTC_WAKEUP, when,

                BACKUP_INTERVAL, mRunBackupIntent);

        // We used to use setInexactRepeating(), but that may be linked to

        // backups running at :00 more often than not, creating load spikes.

        // Schedule at an exact time for now, and also add a bit of "fuzz".

        Random random = new Random();

        long when = System.currentTimeMillis() + delayBeforeFirstBackup +

                random.nextInt(FUZZ_MILLIS);

        mAlarmManager.setRepeating(AlarmManager.RTC_WAKEUP, when,

                BACKUP_INTERVAL + random.nextInt(FUZZ_MILLIS), mRunBackupIntent);

        mNextBackupPass = when;

    }