mirror of
https://codeberg.org/Freeyourgadget/Gadgetbridge
synced 2024-08-19 22:00:53 +02:00
232 lines
8.7 KiB
Java
232 lines
8.7 KiB
Java
/* Copyright (C) 2015-2020 Andreas Shimokawa, Carsten Pfeiffer, Christian
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Fischer, Daniele Gobbetti, Lem Dulfo
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This file is part of Gadgetbridge.
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Gadgetbridge is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as published
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by 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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Gadgetbridge 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 Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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package nodomain.freeyourgadget.gadgetbridge.activities;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.os.Bundle;
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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.PreferenceManager;
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import android.text.InputType;
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import android.view.MenuItem;
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import androidx.core.app.NavUtils;
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import androidx.localbroadcastmanager.content.LocalBroadcastManager;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.util.Locale;
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import nodomain.freeyourgadget.gadgetbridge.GBApplication;
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import nodomain.freeyourgadget.gadgetbridge.util.AndroidUtils;
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/**
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* A settings activity with support for preferences directly displaying their value.
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* If you combine such preferences with a custom OnPreferenceChangeListener, you have
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* to set that listener in #onCreate, *not* in #onPostCreate, otherwise the value will
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* not be displayed.
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*/
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public abstract class AbstractSettingsActivity extends AppCompatPreferenceActivity implements GBActivity {
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private static final Logger LOG = LoggerFactory.getLogger(AbstractSettingsActivity.class);
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private boolean isLanguageInvalid = false;
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private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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String action = intent.getAction();
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switch (action) {
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case GBApplication.ACTION_LANGUAGE_CHANGE:
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setLanguage(GBApplication.getLanguage(), true);
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break;
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case GBApplication.ACTION_QUIT:
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finish();
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break;
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}
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}
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};
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/**
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* A preference value change listener that updates the preference's summary
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* to reflect its new value.
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*/
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private static class SimpleSetSummaryOnChangeListener implements Preference.OnPreferenceChangeListener {
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@Override
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public boolean onPreferenceChange(Preference preference, Object value) {
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if (preference instanceof EditTextPreference) {
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if ((((EditTextPreference) preference).getEditText().getKeyListener().getInputType() & InputType.TYPE_CLASS_NUMBER) != 0) {
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if ("".equals(String.valueOf(value))) {
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// reject empty numeric input
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return false;
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}
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}
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}
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updateSummary(preference, value);
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return true;
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}
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public void updateSummary(Preference preference, Object value) {
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String stringValue = String.valueOf(value);
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if (preference instanceof ListPreference) {
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// For list preferences, look up the correct display value in
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// the preference's 'entries' list.
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ListPreference listPreference = (ListPreference) preference;
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int index = listPreference.findIndexOfValue(stringValue);
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// Set the summary to reflect the new value.
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preference.setSummary(
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index >= 0
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? listPreference.getEntries()[index]
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: null);
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} else {
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// For all other preferences, set the summary to the value's
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// simple string representation.
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preference.setSummary(stringValue);
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}
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}
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}
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private static class ExtraSetSummaryOnChangeListener extends SimpleSetSummaryOnChangeListener {
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private final Preference.OnPreferenceChangeListener prefChangeListener;
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public ExtraSetSummaryOnChangeListener(Preference.OnPreferenceChangeListener prefChangeListener) {
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this.prefChangeListener = prefChangeListener;
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}
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@Override
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public boolean onPreferenceChange(Preference preference, Object value) {
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boolean result = prefChangeListener.onPreferenceChange(preference, value);
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if (result) {
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return super.onPreferenceChange(preference, value);
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}
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return false;
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}
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}
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private static final SimpleSetSummaryOnChangeListener sBindPreferenceSummaryToValueListener = new SimpleSetSummaryOnChangeListener();
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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AbstractGBActivity.init(this);
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IntentFilter filterLocal = new IntentFilter();
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filterLocal.addAction(GBApplication.ACTION_QUIT);
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filterLocal.addAction(GBApplication.ACTION_LANGUAGE_CHANGE);
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LocalBroadcastManager.getInstance(this).registerReceiver(mReceiver, filterLocal);
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super.onCreate(savedInstanceState);
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}
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@Override
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protected void onPostCreate(Bundle savedInstanceState) {
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super.onPostCreate(savedInstanceState);
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for (String prefKey : getPreferenceKeysWithSummary()) {
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final Preference pref = findPreference(prefKey);
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if (pref != null) {
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bindPreferenceSummaryToValue(pref);
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} else {
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LOG.error("Unknown preference key: " + prefKey + ", unable to display value.");
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}
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}
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}
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@Override
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protected void onResume() {
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super.onResume();
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if (isLanguageInvalid) {
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isLanguageInvalid = false;
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recreate();
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}
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}
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@Override
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protected void onDestroy() {
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LocalBroadcastManager.getInstance(this).unregisterReceiver(mReceiver);
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super.onDestroy();
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}
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/**
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* Subclasses should reimplement this to return the keys of those
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* preferences which should print its values as a summary below the
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* preference name.
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*/
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protected String[] getPreferenceKeysWithSummary() {
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return new String[0];
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}
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/**
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* Binds a preference's summary to its value. More specifically, when the
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* preference's value is changed, its summary (line of text below the
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* preference title) is updated to reflect the value. The summary is also
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* immediately updated upon calling this method. The exact display format is
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* dependent on the type of preference.
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*
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* @see #sBindPreferenceSummaryToValueListener
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*/
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private static void bindPreferenceSummaryToValue(Preference preference) {
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// Set the listener to watch for value changes.
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SimpleSetSummaryOnChangeListener listener;
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Preference.OnPreferenceChangeListener existingListener = preference.getOnPreferenceChangeListener();
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if (existingListener != null) {
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listener = new ExtraSetSummaryOnChangeListener(existingListener);
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} else {
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listener = sBindPreferenceSummaryToValueListener;
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}
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preference.setOnPreferenceChangeListener(listener);
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// Trigger the listener immediately with the preference's current value.
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try {
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listener.updateSummary(preference,
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PreferenceManager
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.getDefaultSharedPreferences(preference.getContext())
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.getString(preference.getKey(), ""));
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} catch (ClassCastException cce) {
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//the preference is not a string, use the provided summary
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//TODO: it shows true/false instead of the xml summary
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listener.updateSummary(preference, preference.getSummary());
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}
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case android.R.id.home:
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NavUtils.navigateUpFromSameTask(this);
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return true;
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}
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return super.onOptionsItemSelected(item);
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}
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public void setLanguage(Locale language, boolean invalidateLanguage) {
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if (invalidateLanguage) {
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isLanguageInvalid = true;
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}
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AndroidUtils.setLanguage(this, language);
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}
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}
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