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      1 /*
      2  * Copyright (C) 2013 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 com.android.location.provider;
     18 
     19 import android.hardware.location.IFusedLocationHardware;
     20 import android.location.IFusedProvider;
     21 import android.os.IBinder;
     22 
     23 /**
     24  * Base class for Fused providers implemented as unbundled services.
     25  *
     26  * <p>Fused providers can be implemented as services and return the result of
     27  * {@link com.android.location.provider.FusedProvider#getBinder()} in its getBinder() method.
     28  *
     29  * <p>IMPORTANT: This class is effectively a public API for unbundled applications, and must remain
     30  * API stable. See README.txt in the root of this package for more information.
     31  */
     32 public abstract class FusedProvider {
     33     private IFusedProvider.Stub mProvider = new IFusedProvider.Stub() {
     34         @Override
     35         public void onFusedLocationHardwareChange(IFusedLocationHardware instance) {
     36             setFusedLocationHardware(new FusedLocationHardware(instance));
     37         }
     38     };
     39 
     40     /**
     41      * Gets the Binder associated with the provider.
     42      * This is intended to be used for the onBind() method of a service that implements a fused
     43      * service.
     44      *
     45      * @return The IBinder instance associated with the provider.
     46      */
     47     public IBinder getBinder() {
     48         return mProvider;
     49     }
     50 
     51     /**
     52      * Sets the FusedLocationHardware instance in the provider..
     53      * @param value     The instance to set. This can be null in cases where the service connection
     54      *                  is disconnected.
     55      */
     56     public abstract void setFusedLocationHardware(FusedLocationHardware value);
     57 }
     58