am 1f53186f: Recreate all AlarmInstances on restore

import android.support.annotation.NonNull;

import com.android.deskclock.alarms.AlarmStateManager;

import com.android.deskclock.provider.Alarm;

import com.android.deskclock.provider.AlarmInstance;

import java.io.File;

import java.io.IOException;

import java.util.Calendar;

import java.util.List;

public class DeskClockBackupAgent extends BackupAgent {

    private static final String TAG = "DeskClockBackupAgent";

    @Override

    public void onBackup(ParcelFileDescriptor oldState, BackupDataOutput data,

            ParcelFileDescriptor newState) throws IOException { }

    @Override

    public void onRestoreFinished() {

        // Now that alarms have been restored, schedule them in AlarmManager.

        AlarmStateManager.fixAlarmInstances(this);

        final List<Alarm> alarms = Alarm.getAlarms(getContentResolver(), null);

        final Calendar now = Calendar.getInstance();

        for (Alarm alarm : alarms) {

            // Remove any instances that may currently exist for the alarm;

            // these aren't relevant on the restore device and we'll recreate them below.

            AlarmStateManager.deleteAllInstances(this, alarm.id);

            if (alarm.enabled) {

                // Create the next alarm instance to schedule.

                AlarmInstance alarmInstance = alarm.createInstanceAfter(now);

                // Add the next alarm instance to the database.

                alarmInstance = AlarmInstance.addInstance(getContentResolver(), alarmInstance);

                // Schedule the next alarm instance in AlarmManager.

                AlarmStateManager.registerInstance(this, alarmInstance, true);

                LogUtils.i(TAG, "DeskClockBackupAgent scheduled alarm instance: %s", alarmInstance);

            }

        }

    }

}

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