2009-03-13 22:11:42 +00:00
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/*
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2010-03-26 22:07:10 +00:00
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* Copyright (C) 2008 The Android Open Source Project
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*
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2009-03-13 22:11:42 +00:00
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy of
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* the License at
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2010-01-28 18:09:44 +00:00
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*
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2009-03-13 22:11:42 +00:00
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* http://www.apache.org/licenses/LICENSE-2.0
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2010-01-28 18:09:44 +00:00
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*
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2009-03-13 22:11:42 +00:00
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.android.inputmethod.latin;
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2010-02-09 22:17:30 +00:00
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import java.util.ArrayList;
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import java.util.Locale;
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import android.app.AlertDialog;
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import android.app.Dialog;
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2010-03-05 23:49:16 +00:00
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import android.app.backup.BackupManager;
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import android.content.DialogInterface;
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import android.content.SharedPreferences;
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import android.os.Bundle;
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import android.preference.CheckBoxPreference;
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import android.preference.ListPreference;
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import android.preference.Preference;
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import android.preference.PreferenceActivity;
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import android.preference.PreferenceGroup;
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import android.preference.Preference.OnPreferenceClickListener;
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import android.speech.SpeechRecognizer;
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import android.text.AutoText;
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import android.util.Log;
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import com.android.inputmethod.voice.SettingsUtil;
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import com.android.inputmethod.voice.VoiceInputLogger;
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public class LatinIMESettings extends PreferenceActivity
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implements SharedPreferences.OnSharedPreferenceChangeListener,
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DialogInterface.OnDismissListener {
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private static final String QUICK_FIXES_KEY = "quick_fixes";
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private static final String SHOW_SUGGESTIONS_KEY = "show_suggestions";
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private static final String PREDICTION_SETTINGS_KEY = "prediction_settings";
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private static final String VOICE_SETTINGS_KEY = "voice_mode";
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private static final String VOICE_ON_PRIMARY_KEY = "voice_on_main";
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private static final String VOICE_SERVER_KEY = "voice_server_url";
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private static final String TAG = "LatinIMESettings";
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// Dialog ids
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private static final int VOICE_INPUT_CONFIRM_DIALOG = 0;
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private CheckBoxPreference mQuickFixes;
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private CheckBoxPreference mShowSuggestions;
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private ListPreference mVoicePreference;
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private boolean mVoiceOn;
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private VoiceInputLogger mLogger;
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private boolean mOkClicked = false;
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private String mVoiceModeOff;
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@Override
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protected void onCreate(Bundle icicle) {
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super.onCreate(icicle);
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addPreferencesFromResource(R.xml.prefs);
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mQuickFixes = (CheckBoxPreference) findPreference(QUICK_FIXES_KEY);
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mShowSuggestions = (CheckBoxPreference) findPreference(SHOW_SUGGESTIONS_KEY);
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mVoicePreference = (ListPreference) findPreference(VOICE_SETTINGS_KEY);
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SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
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prefs.registerOnSharedPreferenceChangeListener(this);
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mVoiceModeOff = getString(R.string.voice_mode_off);
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mVoiceOn = !(prefs.getString(VOICE_SETTINGS_KEY, mVoiceModeOff).equals(mVoiceModeOff));
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mLogger = VoiceInputLogger.getLogger(this);
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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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int autoTextSize = AutoText.getSize(getListView());
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if (autoTextSize < 1) {
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((PreferenceGroup) findPreference(PREDICTION_SETTINGS_KEY))
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.removePreference(mQuickFixes);
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}
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if (!LatinIME.VOICE_INSTALLED
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|| !SpeechRecognizer.isRecognitionAvailable(this)) {
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getPreferenceScreen().removePreference(mVoicePreference);
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} else {
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updateVoiceModeSummary();
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}
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}
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@Override
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protected void onDestroy() {
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getPreferenceManager().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(
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this);
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super.onDestroy();
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}
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public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
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(new BackupManager(this)).dataChanged();
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// If turning on voice input, show dialog
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if (key.equals(VOICE_SETTINGS_KEY) && !mVoiceOn) {
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if (! prefs.getString(VOICE_SETTINGS_KEY, mVoiceModeOff)
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.equals(mVoiceModeOff)) {
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showVoiceConfirmation();
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}
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}
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mVoiceOn = !(prefs.getString(VOICE_SETTINGS_KEY, mVoiceModeOff).equals(mVoiceModeOff));
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updateVoiceModeSummary();
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}
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private void showVoiceConfirmation() {
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mOkClicked = false;
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showDialog(VOICE_INPUT_CONFIRM_DIALOG);
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}
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private void updateVoiceModeSummary() {
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mVoicePreference.setSummary(
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getResources().getStringArray(R.array.voice_input_modes_summary)
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[mVoicePreference.findIndexOfValue(mVoicePreference.getValue())]);
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}
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@Override
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protected Dialog onCreateDialog(int id) {
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switch (id) {
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case VOICE_INPUT_CONFIRM_DIALOG:
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DialogInterface.OnClickListener listener = new DialogInterface.OnClickListener() {
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public void onClick(DialogInterface dialog, int whichButton) {
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if (whichButton == DialogInterface.BUTTON_NEGATIVE) {
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mVoicePreference.setValue(mVoiceModeOff);
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mLogger.settingsWarningDialogCancel();
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} else if (whichButton == DialogInterface.BUTTON_POSITIVE) {
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mOkClicked = true;
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mLogger.settingsWarningDialogOk();
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}
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updateVoicePreference();
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}
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};
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AlertDialog.Builder builder = new AlertDialog.Builder(this)
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.setTitle(R.string.voice_warning_title)
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.setPositiveButton(android.R.string.ok, listener)
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.setNegativeButton(android.R.string.cancel, listener);
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// Get the current list of supported locales and check the current locale against
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// that list, to decide whether to put a warning that voice input will not work in
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// the current language as part of the pop-up confirmation dialog.
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String supportedLocalesString = SettingsUtil.getSettingsString(
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getContentResolver(),
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SettingsUtil.LATIN_IME_VOICE_INPUT_SUPPORTED_LOCALES,
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LatinIME.DEFAULT_VOICE_INPUT_SUPPORTED_LOCALES);
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ArrayList<String> voiceInputSupportedLocales =
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LatinIME.newArrayList(supportedLocalesString.split("\\s+"));
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boolean localeSupported = voiceInputSupportedLocales.contains(
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Locale.getDefault().toString());
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if (localeSupported) {
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String message = getString(R.string.voice_warning_may_not_understand) + "\n\n" +
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getString(R.string.voice_hint_dialog_message);
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builder.setMessage(message);
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} else {
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String message = getString(R.string.voice_warning_locale_not_supported) +
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"\n\n" + getString(R.string.voice_warning_may_not_understand) + "\n\n" +
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getString(R.string.voice_hint_dialog_message);
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builder.setMessage(message);
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}
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AlertDialog dialog = builder.create();
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dialog.setOnDismissListener(this);
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mLogger.settingsWarningDialogShown();
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return dialog;
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default:
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Log.e(TAG, "unknown dialog " + id);
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return null;
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}
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}
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public void onDismiss(DialogInterface dialog) {
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mLogger.settingsWarningDialogDismissed();
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if (!mOkClicked) {
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// This assumes that onPreferenceClick gets called first, and this if the user
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// agreed after the warning, we set the mOkClicked value to true.
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mVoicePreference.setValue(mVoiceModeOff);
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}
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}
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private void updateVoicePreference() {
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boolean isChecked = !mVoicePreference.getValue().equals(mVoiceModeOff);
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if (isChecked) {
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mLogger.voiceInputSettingEnabled();
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} else {
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mLogger.voiceInputSettingDisabled();
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}
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}
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}
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