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https://github.com/syncthing/syncthing-android.git
synced 2024-12-23 03:11:30 +00:00
Add preference to change app language (fixes #742)
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parent
6718811c29
commit
e8073599ae
6 changed files with 231 additions and 1 deletions
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@ -24,7 +24,8 @@
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android:theme="@style/Theme.Syncthing"
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android:description="@string/app_description"
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android:supportsRtl="true"
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android:installLocation="internalOnly">
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android:installLocation="internalOnly"
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android:name=".SyncthingApp">
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<activity
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android:name=".activities.FirstStartActivity"
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android:label="@string/app_name">
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14
src/main/java/com/nutomic/syncthingandroid/SyncthingApp.java
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14
src/main/java/com/nutomic/syncthingandroid/SyncthingApp.java
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@ -0,0 +1,14 @@
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package com.nutomic.syncthingandroid;
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import android.app.Application;
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import com.nutomic.syncthingandroid.util.Languages;
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public class SyncthingApp extends Application {
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@Override
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public void onCreate() {
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super.onCreate();
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new Languages(this).setLanguage(this);
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}
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}
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@ -7,6 +7,7 @@ import android.os.AsyncTask;
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import android.os.Bundle;
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import android.preference.CheckBoxPreference;
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import android.preference.EditTextPreference;
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import android.preference.ListPreference;
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import android.preference.Preference;
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import android.preference.PreferenceFragment;
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import android.preference.PreferenceScreen;
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@ -22,6 +23,7 @@ import com.nutomic.syncthingandroid.model.Device;
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import com.nutomic.syncthingandroid.model.Options;
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import com.nutomic.syncthingandroid.service.RestApi;
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import com.nutomic.syncthingandroid.service.SyncthingService;
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import com.nutomic.syncthingandroid.util.Languages;
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import com.nutomic.syncthingandroid.views.WifiSsidPreference;
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import java.security.InvalidParameterException;
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@ -105,6 +107,16 @@ public class SettingsActivity extends SyncthingActivity {
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mSyncOnlyWifi.setEnabled(mAlwaysRunInBackground.isChecked());
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mSyncOnlyOnSSIDs.setEnabled(mSyncOnlyWifi.isChecked());
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ListPreference languagePref = (ListPreference) findPreference(Languages.PREFERENCE_LANGUAGE);
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Languages languages = new Languages(getActivity());
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languagePref.setDefaultValue(Languages.USE_SYSTEM_DEFAULT);
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languagePref.setEntries(languages.getAllNames());
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languagePref.setEntryValues(languages.getSupportedLocales());
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languagePref.setOnPreferenceChangeListener((p, o) -> {
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languages.forceChangeLanguage(getActivity(), (String) o);
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return false;
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});
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mDeviceName = (EditTextPreference) findPreference("deviceName");
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mListenAddresses = (EditTextPreference) findPreference("listenAddresses");
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mMaxRecvKbps = (EditTextPreference) findPreference("maxRecvKbps");
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192
src/main/java/com/nutomic/syncthingandroid/util/Languages.java
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192
src/main/java/com/nutomic/syncthingandroid/util/Languages.java
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@ -0,0 +1,192 @@
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package com.nutomic.syncthingandroid.util;
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import android.annotation.SuppressLint;
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import android.annotation.TargetApi;
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import android.app.Activity;
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import android.content.Context;
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import android.content.Intent;
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import android.content.SharedPreferences;
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import android.content.res.Configuration;
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import android.content.res.Resources;
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import android.os.Build;
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import android.preference.PreferenceManager;
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import android.text.TextUtils;
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import android.util.Log;
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import com.nutomic.syncthingandroid.R;
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import java.util.Arrays;
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import java.util.Collections;
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import java.util.Locale;
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import java.util.Map;
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import java.util.Set;
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import java.util.TreeMap;
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/**
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* Based on https://gitlab.com/fdroid/fdroidclient/blob/master/app/src/main/java/org/fdroid/fdroid/Languages.java
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*/
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public final class Languages {
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public static final String TAG = "Languages";
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public static final String USE_SYSTEM_DEFAULT = "";
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private static final Locale DEFAULT_LOCALE;
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public static final String PREFERENCE_LANGUAGE = "pref_current_language";
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private final SharedPreferences mPreferences;
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private static Map<String, String> mAvailableLanguages;
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static {
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DEFAULT_LOCALE = Locale.getDefault();
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}
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public Languages(Context context) {
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Map<String, String> tmpMap = new TreeMap<>();
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for (Locale locale : Arrays.asList(LOCALES_TO_TEST)) {
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tmpMap.put(locale.getLanguage(), locale.getDisplayLanguage(locale));
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}
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// remove the current system language from the menu
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tmpMap.remove(Locale.getDefault().getLanguage());
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/* SYSTEM_DEFAULT is a fake one for displaying in a chooser menu. */
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tmpMap.put(USE_SYSTEM_DEFAULT, context.getString(R.string.pref_language_default));
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mAvailableLanguages = Collections.unmodifiableMap(tmpMap);
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mPreferences = PreferenceManager.getDefaultSharedPreferences(context);
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}
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/**
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* Handles setting the language if it is different than the current language,
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* or different than the current system-wide locale. The preference is cleared
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* if the language matches the system-wide locale or "System Default" is chosen.
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*/
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@TargetApi(17)
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public void setLanguage(Context context) {
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if (Build.VERSION.SDK_INT >= 24) {
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Log.d(TAG, "Languages.setLanguage() ignored on >= android-24");
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mPreferences.edit().remove(PREFERENCE_LANGUAGE).apply();
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return;
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}
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String language = mPreferences.getString(PREFERENCE_LANGUAGE, null);
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Locale locale;
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if (TextUtils.equals(language, DEFAULT_LOCALE.getLanguage())) {
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mPreferences.edit().remove(PREFERENCE_LANGUAGE).apply();
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locale = DEFAULT_LOCALE;
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} else if (language == null || language.equals(USE_SYSTEM_DEFAULT)) {
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mPreferences.edit().remove(PREFERENCE_LANGUAGE).apply();
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locale = DEFAULT_LOCALE;
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} else {
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/* handle locales with the country in it, i.e. zh_CN, zh_TW, etc */
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String[] localeSplit = language.split("_");
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if (localeSplit.length > 1) {
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locale = new Locale(localeSplit[0], localeSplit[1]);
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} else {
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locale = new Locale(language);
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}
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}
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Locale.setDefault(locale);
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final Resources resources = context.getResources();
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Configuration config = resources.getConfiguration();
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if (Build.VERSION.SDK_INT >= 17) {
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config.setLocale(locale);
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} else {
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config.locale = locale;
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}
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resources.updateConfiguration(config, resources.getDisplayMetrics());
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}
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/**
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* Force reload the {@link Activity to make language changes take effect.}
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*
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* @param activity the {@code Activity} to force reload
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*/
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@SuppressLint("ApplySharedPref")
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public void forceChangeLanguage(Activity activity, String newLanguage) {
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mPreferences.edit().putString(PREFERENCE_LANGUAGE, newLanguage).commit();
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setLanguage(activity);
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if (Build.VERSION.SDK_INT >= 24) {
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Log.d(TAG, "Languages.forceChangeLanguage() ignored on >= android-24");
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return;
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}
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Intent intent = activity.getIntent();
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if (intent == null) { // when launched as LAUNCHER
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return;
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}
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intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
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activity.finish();
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activity.overridePendingTransition(0, 0);
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activity.startActivity(intent);
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activity.overridePendingTransition(0, 0);
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}
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/**
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* @return an array of the names of all the supported languages, sorted to
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* match what is returned by {@link Languages#getSupportedLocales()}.
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*/
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public String[] getAllNames() {
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return mAvailableLanguages.values().toArray(new String[mAvailableLanguages.size()]);
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}
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/**
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* @return sorted list of supported locales.
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*/
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public String[] getSupportedLocales() {
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Set<String> keys = mAvailableLanguages.keySet();
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return keys.toArray(new String[keys.size()]);
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}
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private String capitalize(final String line) {
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return Character.toUpperCase(line.charAt(0)) + line.substring(1);
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}
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public static final Locale[] LOCALES_TO_TEST = {
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Locale.ENGLISH,
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Locale.FRENCH,
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Locale.GERMAN,
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Locale.ITALIAN,
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Locale.JAPANESE,
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Locale.KOREAN,
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Locale.SIMPLIFIED_CHINESE,
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Locale.TRADITIONAL_CHINESE,
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new Locale("af"),
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new Locale("ar"),
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new Locale("be"),
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new Locale("bg"),
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new Locale("ca"),
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new Locale("cs"),
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new Locale("da"),
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new Locale("el"),
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new Locale("es"),
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new Locale("eo"),
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new Locale("et"),
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new Locale("eu"),
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new Locale("fa"),
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new Locale("fi"),
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new Locale("he"),
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new Locale("hi"),
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new Locale("hu"),
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new Locale("hy"),
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new Locale("id"),
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new Locale("is"),
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new Locale("it"),
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new Locale("ml"),
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new Locale("my"),
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new Locale("nb"),
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new Locale("nl"),
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new Locale("pl"),
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new Locale("pt"),
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new Locale("ro"),
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new Locale("ru"),
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new Locale("sc"),
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new Locale("sk"),
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new Locale("sn"),
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new Locale("sr"),
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new Locale("sv"),
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new Locale("th"),
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new Locale("tr"),
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new Locale("uk"),
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new Locale("vi"),
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};
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}
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@ -271,6 +271,12 @@ Please report any problems you encounter via Github.</string>
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<item>None</item>
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</string-array>
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<string name="preference_language_title">Language</string>
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<string name="preference_language_summary">Change the app language</string>
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<string name="pref_language_default">Default Language</string>
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<string-array name="versioning_types">
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<item>None</item>
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<item>TrashCan</item>
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@ -49,6 +49,11 @@
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android:summary="@string/notification_type_summary"
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android:defaultValue="low_priority" />
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<ListPreference
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android:key="pref_current_language"
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android:title="@string/preference_language_title"
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android:summary="@string/preference_language_summary" />
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</PreferenceScreen>
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<PreferenceScreen
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