| /* |
| * Copyright (C) 2017 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.view.textclassifier; |
| |
| import android.annotation.Nullable; |
| import android.annotation.SystemService; |
| import android.content.Context; |
| |
| import com.android.internal.util.Preconditions; |
| |
| /** |
| * Interface to the text classification service. |
| */ |
| @SystemService(Context.TEXT_CLASSIFICATION_SERVICE) |
| public final class TextClassificationManager { |
| |
| private final Object mTextClassifierLock = new Object(); |
| |
| private final Context mContext; |
| private TextClassifier mTextClassifier; |
| |
| /** @hide */ |
| public TextClassificationManager(Context context) { |
| mContext = Preconditions.checkNotNull(context); |
| } |
| |
| /** |
| * Returns the text classifier. |
| */ |
| public TextClassifier getTextClassifier() { |
| synchronized (mTextClassifierLock) { |
| if (mTextClassifier == null) { |
| mTextClassifier = new TextClassifierImpl(mContext); |
| } |
| return mTextClassifier; |
| } |
| } |
| |
| /** |
| * Sets the text classifier. |
| * Set to null to use the system default text classifier. |
| * Set to {@link TextClassifier#NO_OP} to disable text classifier features. |
| */ |
| public void setTextClassifier(@Nullable TextClassifier textClassifier) { |
| synchronized (mTextClassifierLock) { |
| mTextClassifier = textClassifier; |
| } |
| } |
| } |