1 /*
2  * Copyright (C) 2014, 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/license/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.location;
18 
19 import android.hardware.location.IActivityRecognitionHardwareSink;
20 
21 /**
22  * Activity Recognition Hardware provider interface.
23  * This interface can be used to implement hardware based activity recognition.
24  *
25  * @hide
26  */
27 interface IActivityRecognitionHardware {
28     /**
29      * Gets an array of supported activities by hardware.
30      */
31     @EnforcePermission("LOCATION_HARDWARE")
getSupportedActivities()32     String[] getSupportedActivities();
33 
34     /**
35      * Returns true if the given activity is supported, false otherwise.
36      */
37     @EnforcePermission("LOCATION_HARDWARE")
isActivitySupported(in String activityType)38     boolean isActivitySupported(in String activityType);
39 
40     /**
41      * Registers a sink with Hardware Activity-Recognition.
42      */
43     @EnforcePermission("LOCATION_HARDWARE")
registerSink(in IActivityRecognitionHardwareSink sink)44     boolean registerSink(in IActivityRecognitionHardwareSink sink);
45 
46     /**
47      * Unregisters a sink with Hardware Activity-Recognition.
48      */
49     @EnforcePermission("LOCATION_HARDWARE")
unregisterSink(in IActivityRecognitionHardwareSink sink)50     boolean unregisterSink(in IActivityRecognitionHardwareSink sink);
51 
52     /**
53      * Enables tracking of a given activity/event type, if the activity is supported.
54      */
55     @EnforcePermission("LOCATION_HARDWARE")
enableActivityEvent(in String activityType, int eventType, long reportLatencyNs)56     boolean enableActivityEvent(in String activityType, int eventType, long reportLatencyNs);
57 
58     /**
59      * Disables tracking of a given activity/eventy type.
60      */
61     @EnforcePermission("LOCATION_HARDWARE")
disableActivityEvent(in String activityType, int eventType)62     boolean disableActivityEvent(in String activityType, int eventType);
63 
64     /**
65      * Requests hardware for all the activity events detected up to the given point in time.
66      */
67     @EnforcePermission("LOCATION_HARDWARE")
flush()68     boolean flush();
69 }