mirror of https://github.com/M66B/FairEmail.git
56 lines
1.9 KiB
Java
56 lines
1.9 KiB
Java
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package eu.faircode.email;
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import android.content.Context;
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import android.os.Build;
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import android.text.TextUtils;
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import android.view.textclassifier.TextClassificationManager;
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import android.view.textclassifier.TextClassifier;
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import android.view.textclassifier.TextLanguage;
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import java.util.Locale;
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public class TextHelper {
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/*
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This file is part of FairEmail.
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FairEmail is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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FairEmail is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
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Copyright 2018-2020 by Marcel Bokhorst (M66B)
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*/
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static Locale detectLanguage(Context context, String text) {
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// Why not ML kit? https://developers.google.com/ml-kit/terms
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if (TextUtils.isEmpty(text))
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return null;
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if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q)
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return null;
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// https://issuetracker.google.com/issues/173337263
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TextClassificationManager tcm =
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(TextClassificationManager) context.getSystemService(Context.TEXT_CLASSIFICATION_SERVICE);
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if (tcm == null)
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return null;
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TextLanguage.Request trequest = new TextLanguage.Request.Builder(text).build();
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TextClassifier tc = tcm.getTextClassifier();
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TextLanguage tlanguage = tc.detectLanguage(trequest);
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if (tlanguage.getLocaleHypothesisCount() > 0)
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return tlanguage.getLocale(0).toLocale();
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return null;
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}
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}
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