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Code Issues Releases Wiki Activity

Refactoring

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This commit is contained in:
M66B 2020-11-16 15:46:55 +01:00
parent cf05e9e683
commit a451409196
2 changed files with 58 additions and 23 deletions
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26
app/src/main/java/eu/faircode/email/HtmlHelper.java
View file

@ -56,9 +56,6 @@ import android.text.style.UnderlineSpan;
import android.util.Base64;
import android.util.Patterns;
import android.view.View;
import android.view.textclassifier.TextClassificationManager;
import android.view.textclassifier.TextClassifier;
import android.view.textclassifier.TextLanguage;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
@ -1686,26 +1683,9 @@ public class HtmlHelper {
if (!language_detection)
return null;
// Why not ML kit? https://developers.google.com/ml-kit/terms
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
TextClassificationManager tcm =
(TextClassificationManager) context.getSystemService(Context.TEXT_CLASSIFICATION_SERVICE);
if (tcm == null)
return null;
String text = getPreview(body);
if (text == null)
return null;
TextLanguage.Request trequest = new TextLanguage.Request.Builder(text).build();
TextClassifier tc = tcm.getTextClassifier();
TextLanguage tlanguage = tc.detectLanguage(trequest);
if (tlanguage.getLocaleHypothesisCount() > 0)
return tlanguage.getLocale(0).toLocale().getLanguage();
}
return null;
String text = getPreview(body);
Locale locale = TextHelper.detectLanguage(context, text);
return (locale == null ? null : locale.getLanguage());
} catch (Throwable ex) {
Log.e(ex);
return null;

55
app/src/main/java/eu/faircode/email/TextHelper.java Normal file
View file

@ -0,0 +1,55 @@
package eu.faircode.email;
import android.content.Context;
import android.os.Build;
import android.text.TextUtils;
import android.view.textclassifier.TextClassificationManager;
import android.view.textclassifier.TextClassifier;
import android.view.textclassifier.TextLanguage;
import java.util.Locale;
public class TextHelper {
/*
This file is part of FairEmail.
FairEmail is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
FairEmail is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with FairEmail. If not, see <http://www.gnu.org/licenses/>.
Copyright 2018-2020 by Marcel Bokhorst (M66B)
*/
static Locale detectLanguage(Context context, String text) {
// Why not ML kit? https://developers.google.com/ml-kit/terms
if (TextUtils.isEmpty(text))
return null;
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.Q)
return null;
// https://issuetracker.google.com/issues/173337263
TextClassificationManager tcm =
(TextClassificationManager) context.getSystemService(Context.TEXT_CLASSIFICATION_SERVICE);
if (tcm == null)
return null;
TextLanguage.Request trequest = new TextLanguage.Request.Builder(text).build();
TextClassifier tc = tcm.getTextClassifier();
TextLanguage tlanguage = tc.detectLanguage(trequest);
if (tlanguage.getLocaleHypothesisCount() > 0)
return tlanguage.getLocale(0).toLocale();
return null;
}
}