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 */ getSupportedActivities()31 String[] getSupportedActivities(); 32 33 /** 34 * Returns true if the given activity is supported, false otherwise. 35 */ isActivitySupported(in String activityType)36 boolean isActivitySupported(in String activityType); 37 38 /** 39 * Registers a sink with Hardware Activity-Recognition. 40 */ registerSink(in IActivityRecognitionHardwareSink sink)41 boolean registerSink(in IActivityRecognitionHardwareSink sink); 42 43 /** 44 * Unregisters a sink with Hardware Activity-Recognition. 45 */ unregisterSink(in IActivityRecognitionHardwareSink sink)46 boolean unregisterSink(in IActivityRecognitionHardwareSink sink); 47 48 /** 49 * Enables tracking of a given activity/event type, if the activity is supported. 50 */ enableActivityEvent(in String activityType, int eventType, long reportLatencyNs)51 boolean enableActivityEvent(in String activityType, int eventType, long reportLatencyNs); 52 53 /** 54 * Disables tracking of a given activity/eventy type. 55 */ disableActivityEvent(in String activityType, int eventType)56 boolean disableActivityEvent(in String activityType, int eventType); 57 58 /** 59 * Requests hardware for all the activity events detected up to the given point in time. 60 */ flush()61 boolean flush(); 62 }