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/*
* 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;
}
}
}
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