Merge "Implement TextClassification system service." (67024f1b) · Commits · e / os / android_frameworks_base

Android.mk

+1 −0

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		@@ -306,6 +306,7 @@ LOCAL_SRC_FILES += \
		core/java/android/service/wallpaper/IWallpaperService.aidl \
		core/java/android/service/chooser/IChooserTargetService.aidl \
		core/java/android/service/chooser/IChooserTargetResult.aidl \
		core/java/android/text/ITextClassificationService.aidl \
		core/java/android/view/accessibility/IAccessibilityInteractionConnection.aidl\
		core/java/android/view/accessibility/IAccessibilityInteractionConnectionCallback.aidl\
		core/java/android/view/accessibility/IAccessibilityManager.aidl \

core/java/android/text/ITextClassificationService.aidl

0 → 100644

+33 −0

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		/*
		* Copyright (C) 2016 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 android.text;

		import android.os.ParcelFileDescriptor;

		/**
		* Interface to the text classification service, which grants access to the text classification
		* LSTM model file.
		* {@hide}
		*/
		interface ITextClassificationService {

		/**
		* Request a file descriptor with read-only access to the LSTM model file.
		* This file descriptor should be closed after the client is done with it.
		*/
		ParcelFileDescriptor getModelFileFd();
		}

services/core/java/com/android/server/text/TextClassificationService.java

0 → 100644

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		/*
		* Copyright (C) 2016 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.text;

		import android.content.Context;
		import android.os.ParcelFileDescriptor;
		import android.os.RemoteException;
		import android.text.ITextClassificationService;
		import android.util.Slog;

		import com.android.server.SystemService;

		import java.io.File;
		import java.io.FileNotFoundException;
		import java.io.IOException;

		/**
		* Text classification service.
		* This is used to provide access to the text classification LSTM model file.
		*/
		public class TextClassificationService extends ITextClassificationService.Stub {

		private static final String LOG_TAG = "TextClassificationService";

		public static final class Lifecycle extends SystemService {

		private TextClassificationService mService;

		public Lifecycle(Context context) {
		super(context);
		mService = new TextClassificationService();
		}

		@Override
		public void onStart() {
		try {
		publishBinderService(Context.TEXT_CLASSIFICATION_SERVICE, mService);
		} catch (Throwable t) {
		// Starting this service is not critical to the running of this device and should
		// therefore not crash the device. If it fails, log the error and continue.
		Slog.e(LOG_TAG, "Could not start the TextClassificationService.", t);
		}
		}
		}

		@Override
		public synchronized ParcelFileDescriptor getModelFileFd() throws RemoteException {
		try {
		return ParcelFileDescriptor.open(
		new File("/etc/assistant/smart-selection.model"),
		ParcelFileDescriptor.MODE_READ_ONLY);
		} catch (Throwable t) {
		Slog.e(LOG_TAG, "Error retrieving an fd to the text classification model file.", t);
		throw new RemoteException(t.getMessage());
		}
		}
		}

services/java/com/android/server/SystemServer.java

+7 −0

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		@@ -100,6 +100,7 @@ import com.android.server.soundtrigger.SoundTriggerService;
		import com.android.server.statusbar.StatusBarManagerService;
		import com.android.server.storage.DeviceStorageMonitorService;
		import com.android.server.telecom.TelecomLoaderService;
		import com.android.server.text.TextClassificationService;
		import com.android.server.trust.TrustManagerService;
		import com.android.server.tv.TvInputManagerService;
		import com.android.server.tv.TvRemoteService;
		@@ -951,6 +952,12 @@ public final class SystemServer {
		traceEnd();
		}

		if (!disableNonCoreServices) {
		traceBeginAndSlog("StartTextClassificationService");
		mSystemServiceManager.startService(TextClassificationService.Lifecycle.class);
		traceEnd();
		}

		if (!disableNetwork) {
		traceBeginAndSlog("StartNetworkScoreService");
		try {