[automerge] Add HotwordMetricsLogger for statistics logging. 2p: b8c2da2587 (bcae1a5f) · Commits · e / os / android_frameworks_base

services/voiceinteraction/java/com/android/server/voiceinteraction/HotwordMetricsLogger.java

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+69 −0

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		/*
		* Copyright (C) 2022 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License.
		*/

		package com.android.server.voiceinteraction;

		import com.android.internal.util.FrameworkStatsLog;

		/**
		* A utility class for logging hotword statistics event.
		*/
		public final class HotwordMetricsLogger {

		private HotwordMetricsLogger() {
		// Class only contains static utility functions, and should not be instantiated
		}

		/**
		* Logs information related to create hotword detector.
		*/
		public static void writeDetectorCreateEvent(int detectorType, boolean isCreated, int uid) {
		FrameworkStatsLog.write(FrameworkStatsLog.HOTWORD_DETECTOR_CREATE_REQUESTED, detectorType,
		isCreated, uid);
		}

		/**
		* Logs information related to hotword detection service init result.
		*/
		public static void writeServiceInitResultEvent(int detectorType, int result) {
		FrameworkStatsLog.write(FrameworkStatsLog.HOTWORD_DETECTION_SERVICE_INIT_RESULT_REPORTED,
		detectorType, result);
		}

		/**
		* Logs information related to hotword detection service restarting.
		*/
		public static void writeServiceRestartEvent(int detectorType, int reason) {
		FrameworkStatsLog.write(FrameworkStatsLog.HOTWORD_DETECTION_SERVICE_RESTARTED,
		detectorType, reason);
		}

		/**
		* Logs information related to keyphrase trigger.
		*/
		public static void writeKeyphraseTriggerEvent(int detectorType, int result) {
		FrameworkStatsLog.write(FrameworkStatsLog.HOTWORD_DETECTOR_KEYPHRASE_TRIGGERED,
		detectorType, result);
		}

		/**
		* Logs information related to hotword detector events.
		*/
		public static void writeDetectorEvent(int detectorType, int event, int uid) {
		FrameworkStatsLog.write(FrameworkStatsLog.HOTWORD_DETECTOR_EVENTS,
		detectorType, event, uid);
		}
		}