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      1 /*
      2  * Copyright (C) 2016 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 android.hardware;
     18 
     19 /**
     20  * Used for receiving sensor additional information frames.
     21  */
     22 public abstract class SensorEventCallback implements SensorEventListener2 {
     23 
     24     /**
     25      * Called when sensor values have changed.
     26      *
     27      * @see android.hardware.SensorEventListener#onSensorChanged(SensorEvent)
     28      */
     29     @Override
     30     public void onSensorChanged(SensorEvent event) {}
     31 
     32     /**
     33      * Called when the accuracy of the registered sensor has changed.
     34      *
     35      * @see android.hardware.SensorEventListener#onAccuracyChanged(Sensor, int)
     36      */
     37     @Override
     38     public void onAccuracyChanged(Sensor sensor, int accuracy) {}
     39 
     40     /**
     41      * Called after flush() is completed.
     42      *
     43      * @see android.hardware.SensorEventListener2#onFlushCompleted(Sensor)
     44      */
     45     @Override
     46     public void onFlushCompleted(Sensor sensor) {}
     47 
     48     /**
     49      * Called when a sensor additional information frame is available.
     50      *
     51      * @param info A {@link android.hardware.SensorAdditionalInfo SensorAdditionalInfo} frame
     52      * reported from sensor hardware.
     53      */
     54     public void onSensorAdditionalInfo(SensorAdditionalInfo info) {}
     55 }
     56