b50591295d
This change adds the option for bigram prediction under the option for bigram suggestion. The "prediction" option depends on the "suggestion" option. This change also reorders a tad bit the settings screen. Namely, it sticks both bigram options under a "bigram" category, and groups the options that did not have a group under a "other options", or misc, category. Finally this change also renames the internal name of the "text corrections" option category to "correction_category" instead of "prediction_category" which was misleading. Change-Id: I2d8787c8a391fd8202ed3a686c613494b7260a1e
353 lines
16 KiB
Java
353 lines
16 KiB
Java
/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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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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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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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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import com.android.inputmethod.compat.CompatUtils;
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import com.android.inputmethod.compat.InputMethodManagerCompatWrapper;
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import com.android.inputmethod.compat.InputMethodServiceCompatWrapper;
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import com.android.inputmethod.deprecated.VoiceProxy;
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import com.android.inputmethod.compat.VibratorCompatWrapper;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.app.backup.BackupManager;
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import android.content.DialogInterface;
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import android.content.Intent;
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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.Preference.OnPreferenceClickListener;
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import android.preference.PreferenceActivity;
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import android.preference.PreferenceGroup;
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import android.preference.PreferenceScreen;
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import android.speech.SpeechRecognizer;
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import android.text.AutoText;
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import android.text.TextUtils;
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import android.text.method.LinkMovementMethod;
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import android.util.Log;
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import android.widget.TextView;
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import java.util.Locale;
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public class Settings extends PreferenceActivity
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implements SharedPreferences.OnSharedPreferenceChangeListener,
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DialogInterface.OnDismissListener, OnPreferenceClickListener {
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private static final String TAG = "Settings";
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public static final String PREF_GENERAL_SETTINGS_KEY = "general_settings";
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public static final String PREF_VIBRATE_ON = "vibrate_on";
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public static final String PREF_SOUND_ON = "sound_on";
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public static final String PREF_POPUP_ON = "popup_on";
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public static final String PREF_RECORRECTION_ENABLED = "recorrection_enabled";
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public static final String PREF_AUTO_CAP = "auto_cap";
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public static final String PREF_SETTINGS_KEY = "settings_key";
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public static final String PREF_VOICE_SETTINGS_KEY = "voice_mode";
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public static final String PREF_INPUT_LANGUAGE = "input_language";
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public static final String PREF_SELECTED_LANGUAGES = "selected_languages";
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public static final String PREF_SUBTYPES = "subtype_settings";
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public static final String PREF_CORRECTION_SETTINGS_KEY = "correction_settings";
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public static final String PREF_QUICK_FIXES = "quick_fixes";
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public static final String PREF_SHOW_SUGGESTIONS_SETTING = "show_suggestions_setting";
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public static final String PREF_AUTO_CORRECTION_THRESHOLD = "auto_correction_threshold";
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public static final String PREF_DEBUG_SETTINGS = "debug_settings";
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public static final String PREF_NGRAM_SETTINGS_KEY = "ngram_settings";
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public static final String PREF_BIGRAM_SUGGESTIONS = "bigram_suggestion";
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public static final String PREF_BIGRAM_PREDICTIONS = "bigram_prediction";
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public static final String PREF_MISC_SETTINGS_KEY = "misc_settings";
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public static final String PREF_USABILITY_STUDY_MODE = "usability_study_mode";
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// Dialog ids
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private static final int VOICE_INPUT_CONFIRM_DIALOG = 0;
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private PreferenceScreen mInputLanguageSelection;
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private CheckBoxPreference mQuickFixes;
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private ListPreference mVoicePreference;
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private ListPreference mSettingsKeyPreference;
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private ListPreference mShowCorrectionSuggestionsPreference;
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private ListPreference mAutoCorrectionThreshold;
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// Suggestion: use bigrams to adjust scores of suggestions obtained from unigram dictionary
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private CheckBoxPreference mBigramSuggestion;
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// Prediction: use bigrams to predict the next word when there is no input for it yet
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private CheckBoxPreference mBigramPrediction;
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private Preference mDebugSettingsPreference;
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private boolean mVoiceOn;
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private AlertDialog mDialog;
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private VoiceProxy.VoiceLoggerWrapper mVoiceLogger;
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private boolean mOkClicked = false;
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private String mVoiceModeOff;
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private void ensureConsistencyOfAutoCorrectionSettings() {
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final String autoCorrectionOff = getResources().getString(
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R.string.auto_correction_threshold_mode_index_off);
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final String currentSetting = mAutoCorrectionThreshold.getValue();
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mBigramSuggestion.setEnabled(!currentSetting.equals(autoCorrectionOff));
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mBigramPrediction.setEnabled(!currentSetting.equals(autoCorrectionOff));
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}
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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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mInputLanguageSelection = (PreferenceScreen) findPreference(PREF_SUBTYPES);
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mInputLanguageSelection.setOnPreferenceClickListener(this);
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mQuickFixes = (CheckBoxPreference) findPreference(PREF_QUICK_FIXES);
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mVoicePreference = (ListPreference) findPreference(PREF_VOICE_SETTINGS_KEY);
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mSettingsKeyPreference = (ListPreference) findPreference(PREF_SETTINGS_KEY);
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mShowCorrectionSuggestionsPreference =
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(ListPreference) findPreference(PREF_SHOW_SUGGESTIONS_SETTING);
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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(PREF_VOICE_SETTINGS_KEY, mVoiceModeOff)
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.equals(mVoiceModeOff));
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mVoiceLogger = VoiceProxy.VoiceLoggerWrapper.getInstance(this);
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mAutoCorrectionThreshold = (ListPreference) findPreference(PREF_AUTO_CORRECTION_THRESHOLD);
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mBigramSuggestion = (CheckBoxPreference) findPreference(PREF_BIGRAM_SUGGESTIONS);
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mBigramPrediction = (CheckBoxPreference) findPreference(PREF_BIGRAM_PREDICTIONS);
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mDebugSettingsPreference = findPreference(PREF_DEBUG_SETTINGS);
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if (mDebugSettingsPreference != null) {
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final Intent debugSettingsIntent = new Intent(Intent.ACTION_MAIN);
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debugSettingsIntent.setClassName(getPackageName(), DebugSettings.class.getName());
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mDebugSettingsPreference.setIntent(debugSettingsIntent);
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}
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ensureConsistencyOfAutoCorrectionSettings();
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final PreferenceGroup generalSettings =
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(PreferenceGroup) findPreference(PREF_GENERAL_SETTINGS_KEY);
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final PreferenceGroup textCorrectionGroup =
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(PreferenceGroup) findPreference(PREF_CORRECTION_SETTINGS_KEY);
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final PreferenceGroup bigramGroup =
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(PreferenceGroup) findPreference(PREF_NGRAM_SETTINGS_KEY);
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final boolean showSettingsKeyOption = getResources().getBoolean(
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R.bool.config_enable_show_settings_key_option);
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if (!showSettingsKeyOption) {
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generalSettings.removePreference(mSettingsKeyPreference);
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}
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final boolean showVoiceKeyOption = getResources().getBoolean(
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R.bool.config_enable_show_voice_key_option);
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if (!showVoiceKeyOption) {
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generalSettings.removePreference(mVoicePreference);
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}
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if (!VibratorCompatWrapper.getInstance(this).hasVibrator()) {
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generalSettings.removePreference(findPreference(PREF_VIBRATE_ON));
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}
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final boolean showSubtypeSettings = getResources().getBoolean(
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R.bool.config_enable_show_subtype_settings);
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if (InputMethodServiceCompatWrapper.CAN_HANDLE_ON_CURRENT_INPUT_METHOD_SUBTYPE_CHANGED
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&& !showSubtypeSettings) {
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generalSettings.removePreference(findPreference(PREF_SUBTYPES));
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}
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final boolean showPopupOption = getResources().getBoolean(
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R.bool.config_enable_show_popup_on_keypress_option);
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if (!showPopupOption) {
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generalSettings.removePreference(findPreference(PREF_POPUP_ON));
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}
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final boolean showRecorrectionOption = getResources().getBoolean(
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R.bool.config_enable_show_recorrection_option);
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if (!showRecorrectionOption) {
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generalSettings.removePreference(findPreference(PREF_RECORRECTION_ENABLED));
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}
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final boolean showQuickFixesOption = getResources().getBoolean(
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R.bool.config_enable_quick_fixes_option);
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if (!showQuickFixesOption) {
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textCorrectionGroup.removePreference(findPreference(PREF_QUICK_FIXES));
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}
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final boolean showBigramSuggestionsOption = getResources().getBoolean(
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R.bool.config_enable_bigram_suggestions_option);
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if (!showBigramSuggestionsOption) {
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textCorrectionGroup.removePreference(findPreference(PREF_BIGRAM_SUGGESTIONS));
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textCorrectionGroup.removePreference(findPreference(PREF_BIGRAM_PREDICTIONS));
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}
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final boolean showUsabilityModeStudyOption = getResources().getBoolean(
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R.bool.config_enable_usability_study_mode_option);
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if (!showUsabilityModeStudyOption) {
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getPreferenceScreen().removePreference(findPreference(PREF_USABILITY_STUDY_MODE));
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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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int autoTextSize = AutoText.getSize(getListView());
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if (autoTextSize < 1) {
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((PreferenceGroup) findPreference(PREF_CORRECTION_SETTINGS_KEY))
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.removePreference(mQuickFixes);
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}
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if (!VoiceProxy.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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updateSettingsKeySummary();
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updateShowCorrectionSuggestionsSummary();
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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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@Override
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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(PREF_VOICE_SETTINGS_KEY) && !mVoiceOn) {
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if (!prefs.getString(PREF_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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ensureConsistencyOfAutoCorrectionSettings();
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mVoiceOn = !(prefs.getString(PREF_VOICE_SETTINGS_KEY, mVoiceModeOff)
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.equals(mVoiceModeOff));
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updateVoiceModeSummary();
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updateSettingsKeySummary();
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updateShowCorrectionSuggestionsSummary();
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}
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@Override
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public boolean onPreferenceClick(Preference pref) {
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if (pref == mInputLanguageSelection) {
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startActivity(CompatUtils.getInputLanguageSelectionIntent(
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Utils.getInputMethodId(InputMethodManagerCompatWrapper.getInstance(this),
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getApplicationInfo().packageName), 0));
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return true;
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}
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return false;
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}
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private void updateShowCorrectionSuggestionsSummary() {
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mShowCorrectionSuggestionsPreference.setSummary(
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getResources().getStringArray(R.array.prefs_suggestion_visibilities)
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[mShowCorrectionSuggestionsPreference.findIndexOfValue(
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mShowCorrectionSuggestionsPreference.getValue())]);
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}
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private void updateSettingsKeySummary() {
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mSettingsKeyPreference.setSummary(
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getResources().getStringArray(R.array.settings_key_modes)
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[mSettingsKeyPreference.findIndexOfValue(mSettingsKeyPreference.getValue())]);
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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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// Make URL in the dialog message clickable
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if (mDialog != null) {
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TextView textView = (TextView) mDialog.findViewById(android.R.id.message);
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if (textView != null) {
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textView.setMovementMethod(LinkMovementMethod.getInstance());
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}
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}
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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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@Override
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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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mVoiceLogger.settingsWarningDialogCancel();
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} else if (whichButton == DialogInterface.BUTTON_POSITIVE) {
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mOkClicked = true;
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mVoiceLogger.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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boolean localeSupported = SubtypeSwitcher.getInstance().isVoiceSupported(
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Locale.getDefault().toString());
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final CharSequence message;
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if (localeSupported) {
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message = TextUtils.concat(
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getText(R.string.voice_warning_may_not_understand), "\n\n",
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getText(R.string.voice_hint_dialog_message));
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} else {
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message = TextUtils.concat(
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getText(R.string.voice_warning_locale_not_supported), "\n\n",
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getText(R.string.voice_warning_may_not_understand), "\n\n",
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getText(R.string.voice_hint_dialog_message));
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}
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builder.setMessage(message);
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AlertDialog dialog = builder.create();
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mDialog = dialog;
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dialog.setOnDismissListener(this);
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mVoiceLogger.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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@Override
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public void onDismiss(DialogInterface dialog) {
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mVoiceLogger.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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mVoiceLogger.voiceInputSettingEnabled(isChecked);
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}
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}
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