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 18 #ifndef ACTIVITYEVENTHANDLER_H_ 19 #define ACTIVITYEVENTHANDLER_H_ 20 21 namespace android { 22 23 /* 24 * An interface that specifies an event handler for activity sensor events. 25 */ 26 class ActivityEventHandler { 27 public: ~ActivityEventHandler()28 virtual ~ActivityEventHandler() {} 29 30 // Invoked when an activity recognition event has occured. 31 // 32 // activityIndex - The index of the activity sensor. 33 // eventIndex - The event index (enter/exit). 34 // whenNs - The timestamp of when the event occured. 35 virtual void OnActivityEvent(int sensorIndex, uint8_t eventIndex, 36 uint64_t whenNs) = 0; 37 38 // Invoked when an activity recognition flush is requested. 39 virtual void OnFlush() = 0; 40 41 // Invoked when a sensor hub reset has occured. This is used to reset any 42 // internal state. 43 virtual void OnSensorHubReset() = 0; 44 }; 45 46 } // namespace android 47 48 #endif // ACTIVITYEVENTHANDLER_H_ 49