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      1 /**
      2  * Copyright (C) 2014 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not
      5  * use this file except in compliance with the License. You may obtain a copy
      6  * 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, WITHOUT
     12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
     13  * License for the specific language governing permissions and limitations
     14  * under the License.
     15  */
     16 
     17 package android.app.usage;
     18 
     19 import android.content.ComponentName;
     20 import android.content.res.Configuration;
     21 
     22 /**
     23  * UsageStatsManager local system service interface.
     24  *
     25  * {@hide} Only for use within the system server.
     26  */
     27 public abstract class UsageStatsManagerInternal {
     28 
     29     /**
     30      * Reports an event to the UsageStatsManager.
     31      *
     32      * @param component The component for which this event occurred.
     33      * @param userId The user id to which the component belongs to.
     34      * @param eventType The event that occurred. Valid values can be found at
     35      * {@link UsageEvents}
     36      */
     37     public abstract void reportEvent(ComponentName component, int userId, int eventType);
     38 
     39     /**
     40      * Reports a configuration change to the UsageStatsManager.
     41      *
     42      * @param config The new device configuration.
     43      */
     44     public abstract void reportConfigurationChange(Configuration config, int userId);
     45 
     46     /**
     47      * Prepares the UsageStatsService for shutdown.
     48      */
     49     public abstract void prepareShutdown();
     50 }
     51