/* * Copyright (C) 2008 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); you may not * use this file except in compliance with the License. You may obtain a copy of * the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations under * the License. */ package com.android.inputmethod.latin; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.app.Fragment; import android.app.backup.BackupManager; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.content.res.Resources; import android.os.Bundle; import android.preference.CheckBoxPreference; import android.preference.ListPreference; import android.preference.Preference; import android.preference.Preference.OnPreferenceClickListener; import android.preference.PreferenceGroup; import android.preference.PreferenceScreen; import android.text.TextUtils; import android.text.method.LinkMovementMethod; import android.util.Log; import android.view.inputmethod.EditorInfo; import android.widget.TextView; import com.android.inputmethod.compat.CompatUtils; import com.android.inputmethod.compat.InputMethodManagerCompatWrapper; import com.android.inputmethod.compat.InputMethodServiceCompatWrapper; import com.android.inputmethod.compat.InputTypeCompatUtils; import com.android.inputmethod.compat.VibratorCompatWrapper; import com.android.inputmethod.deprecated.VoiceProxy; import com.android.inputmethodcommon.InputMethodSettingsActivity; import java.util.Arrays; import java.util.Locale; public class Settings extends InputMethodSettingsActivity implements SharedPreferences.OnSharedPreferenceChangeListener, DialogInterface.OnDismissListener, OnPreferenceClickListener { private static final String TAG = "Settings"; public static final String PREF_GENERAL_SETTINGS_KEY = "general_settings"; public static final String PREF_VIBRATE_ON = "vibrate_on"; public static final String PREF_SOUND_ON = "sound_on"; public static final String PREF_KEY_PREVIEW_POPUP_ON = "popup_on"; public static final String PREF_RECORRECTION_ENABLED = "recorrection_enabled"; public static final String PREF_AUTO_CAP = "auto_cap"; public static final String PREF_SETTINGS_KEY = "settings_key"; public static final String PREF_VOICE_SETTINGS_KEY = "voice_mode"; public static final String PREF_INPUT_LANGUAGE = "input_language"; public static final String PREF_SELECTED_LANGUAGES = "selected_languages"; public static final String PREF_SUBTYPES = "subtype_settings"; public static final String PREF_CONFIGURE_DICTIONARIES_KEY = "configure_dictionaries_key"; public static final String PREF_CORRECTION_SETTINGS_KEY = "correction_settings"; public static final String PREF_QUICK_FIXES = "quick_fixes"; public static final String PREF_SHOW_SUGGESTIONS_SETTING = "show_suggestions_setting"; public static final String PREF_AUTO_CORRECTION_THRESHOLD = "auto_correction_threshold"; public static final String PREF_DEBUG_SETTINGS = "debug_settings"; public static final String PREF_NGRAM_SETTINGS_KEY = "ngram_settings"; public static final String PREF_BIGRAM_SUGGESTIONS = "bigram_suggestion"; public static final String PREF_BIGRAM_PREDICTIONS = "bigram_prediction"; public static final String PREF_MISC_SETTINGS_KEY = "misc_settings"; public static final String PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY = "pref_key_preview_popup_dismiss_delay"; public static final String PREF_KEY_USE_CONTACTS_DICT = "pref_key_use_contacts_dict"; public static final String PREF_USABILITY_STUDY_MODE = "usability_study_mode"; // Dialog ids private static final int VOICE_INPUT_CONFIRM_DIALOG = 0; public static class Values { // From resources: public final int mDelayBeforeFadeoutLanguageOnSpacebar; public final int mDelayUpdateSuggestions; public final int mDelayUpdateOldSuggestions; public final int mDelayUpdateShiftState; public final int mDurationOfFadeoutLanguageOnSpacebar; public final float mFinalFadeoutFactorOfLanguageOnSpacebar; public final long mDoubleSpacesTurnIntoPeriodTimeout; public final String mWordSeparators; public final String mMagicSpaceStrippers; public final String mMagicSpaceSwappers; public final String mSuggestPuncs; public final SuggestedWords mSuggestPuncList; // From preferences: public final boolean mSoundOn; // Sound setting private to Latin IME (see mSilentModeOn) public final boolean mVibrateOn; public final boolean mKeyPreviewPopupOn; public final int mKeyPreviewPopupDismissDelay; public final boolean mAutoCap; public final boolean mQuickFixes; public final boolean mAutoCorrectEnabled; public final double mAutoCorrectionThreshold; // Suggestion: use bigrams to adjust scores of suggestions obtained from unigram dictionary public final boolean mBigramSuggestionEnabled; // Prediction: use bigrams to predict the next word when there is no input for it yet public final boolean mBigramPredictionEnabled; public final boolean mUseContactsDict; private final boolean mVoiceButtonEnabled; private final boolean mVoiceButtonOnPrimary; public Values(final SharedPreferences prefs, final Context context, final String localeStr) { final Resources res = context.getResources(); final Locale savedLocale; if (null != localeStr) { final Locale keyboardLocale = Utils.constructLocaleFromString(localeStr); savedLocale = Utils.setSystemLocale(res, keyboardLocale); } else { savedLocale = null; } // Get the resources mDelayBeforeFadeoutLanguageOnSpacebar = res.getInteger( R.integer.config_delay_before_fadeout_language_on_spacebar); mDelayUpdateSuggestions = res.getInteger(R.integer.config_delay_update_suggestions); mDelayUpdateOldSuggestions = res.getInteger( R.integer.config_delay_update_old_suggestions); mDelayUpdateShiftState = res.getInteger(R.integer.config_delay_update_shift_state); mDurationOfFadeoutLanguageOnSpacebar = res.getInteger( R.integer.config_duration_of_fadeout_language_on_spacebar); mFinalFadeoutFactorOfLanguageOnSpacebar = res.getInteger( R.integer.config_final_fadeout_percentage_of_language_on_spacebar) / 100.0f; mDoubleSpacesTurnIntoPeriodTimeout = res.getInteger( R.integer.config_double_spaces_turn_into_period_timeout); mMagicSpaceStrippers = res.getString(R.string.magic_space_stripping_symbols); mMagicSpaceSwappers = res.getString(R.string.magic_space_swapping_symbols); String wordSeparators = mMagicSpaceStrippers + mMagicSpaceSwappers + res.getString(R.string.magic_space_promoting_symbols); final String notWordSeparators = res.getString(R.string.non_word_separator_symbols); for (int i = notWordSeparators.length() - 1; i >= 0; --i) { wordSeparators = wordSeparators.replace(notWordSeparators.substring(i, i + 1), ""); } mWordSeparators = wordSeparators; mSuggestPuncs = res.getString(R.string.suggested_punctuations); // TODO: it would be nice not to recreate this each time we change the configuration mSuggestPuncList = createSuggestPuncList(mSuggestPuncs); // Get the settings preferences final boolean hasVibrator = VibratorCompatWrapper.getInstance(context).hasVibrator(); mVibrateOn = hasVibrator && prefs.getBoolean(Settings.PREF_VIBRATE_ON, false); mSoundOn = prefs.getBoolean(Settings.PREF_SOUND_ON, res.getBoolean(R.bool.config_default_sound_enabled)); mKeyPreviewPopupOn = isKeyPreviewPopupEnabled(prefs, res); mKeyPreviewPopupDismissDelay = getKeyPreviewPopupDismissDelay(prefs, res); mAutoCap = prefs.getBoolean(Settings.PREF_AUTO_CAP, true); mQuickFixes = isQuickFixesEnabled(prefs, res); mAutoCorrectEnabled = isAutoCorrectEnabled(prefs, res); mBigramSuggestionEnabled = mAutoCorrectEnabled && isBigramSuggestionEnabled(prefs, res, mAutoCorrectEnabled); mBigramPredictionEnabled = mBigramSuggestionEnabled && isBigramPredictionEnabled(prefs, res); mAutoCorrectionThreshold = getAutoCorrectionThreshold(prefs, res); mUseContactsDict = prefs.getBoolean(Settings.PREF_KEY_USE_CONTACTS_DICT, true); final String voiceMode = prefs.getString(PREF_VOICE_SETTINGS_KEY, null); mVoiceButtonEnabled = voiceMode != null && !voiceMode.equals( res.getString(R.string.voice_mode_off)); mVoiceButtonOnPrimary = voiceMode != null && voiceMode.equals( res.getString(R.string.voice_mode_main)); Utils.setSystemLocale(res, savedLocale); } public boolean isSuggestedPunctuation(int code) { return mSuggestPuncs.contains(String.valueOf((char)code)); } public boolean isWordSeparator(int code) { return mWordSeparators.contains(String.valueOf((char)code)); } public boolean isMagicSpaceStripper(int code) { return mMagicSpaceStrippers.contains(String.valueOf((char)code)); } public boolean isMagicSpaceSwapper(int code) { return mMagicSpaceSwappers.contains(String.valueOf((char)code)); } // Helper methods private static boolean isQuickFixesEnabled(SharedPreferences sp, Resources resources) { final boolean showQuickFixesOption = resources.getBoolean( R.bool.config_enable_quick_fixes_option); if (!showQuickFixesOption) { return isAutoCorrectEnabled(sp, resources); } return sp.getBoolean(Settings.PREF_QUICK_FIXES, resources.getBoolean( R.bool.config_default_quick_fixes)); } private static boolean isAutoCorrectEnabled(SharedPreferences sp, Resources resources) { final String currentAutoCorrectionSetting = sp.getString( Settings.PREF_AUTO_CORRECTION_THRESHOLD, resources.getString(R.string.auto_correction_threshold_mode_index_modest)); final String autoCorrectionOff = resources.getString( R.string.auto_correction_threshold_mode_index_off); return !currentAutoCorrectionSetting.equals(autoCorrectionOff); } // Public to access from KeyboardSwitcher. Should it have access to some // process-global instance instead? public static boolean isKeyPreviewPopupEnabled(SharedPreferences sp, Resources resources) { final boolean showPopupOption = resources.getBoolean( R.bool.config_enable_show_popup_on_keypress_option); if (!showPopupOption) return resources.getBoolean(R.bool.config_default_popup_preview); return sp.getBoolean(Settings.PREF_KEY_PREVIEW_POPUP_ON, resources.getBoolean(R.bool.config_default_popup_preview)); } // Likewise public static int getKeyPreviewPopupDismissDelay(SharedPreferences sp, Resources resources) { return Integer.parseInt(sp.getString(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY, Integer.toString(resources.getInteger(R.integer.config_delay_after_preview)))); } private static boolean isBigramSuggestionEnabled(SharedPreferences sp, Resources resources, boolean autoCorrectEnabled) { final boolean showBigramSuggestionsOption = resources.getBoolean( R.bool.config_enable_bigram_suggestions_option); if (!showBigramSuggestionsOption) { return autoCorrectEnabled; } return sp.getBoolean(Settings.PREF_BIGRAM_SUGGESTIONS, resources.getBoolean( R.bool.config_default_bigram_suggestions)); } private static boolean isBigramPredictionEnabled(SharedPreferences sp, Resources resources) { return sp.getBoolean(Settings.PREF_BIGRAM_PREDICTIONS, resources.getBoolean( R.bool.config_default_bigram_prediction)); } private static double getAutoCorrectionThreshold(SharedPreferences sp, Resources resources) { final String currentAutoCorrectionSetting = sp.getString( Settings.PREF_AUTO_CORRECTION_THRESHOLD, resources.getString(R.string.auto_correction_threshold_mode_index_modest)); final String[] autoCorrectionThresholdValues = resources.getStringArray( R.array.auto_correction_threshold_values); // When autoCorrectionThreshold is greater than 1.0, it's like auto correction is off. double autoCorrectionThreshold = Double.MAX_VALUE; try { final int arrayIndex = Integer.valueOf(currentAutoCorrectionSetting); if (arrayIndex >= 0 && arrayIndex < autoCorrectionThresholdValues.length) { autoCorrectionThreshold = Double.parseDouble( autoCorrectionThresholdValues[arrayIndex]); } } catch (NumberFormatException e) { // Whenever the threshold settings are correct, never come here. autoCorrectionThreshold = Double.MAX_VALUE; Log.w(TAG, "Cannot load auto correction threshold setting." + " currentAutoCorrectionSetting: " + currentAutoCorrectionSetting + ", autoCorrectionThresholdValues: " + Arrays.toString(autoCorrectionThresholdValues)); } return autoCorrectionThreshold; } private static SuggestedWords createSuggestPuncList(final String puncs) { SuggestedWords.Builder builder = new SuggestedWords.Builder(); if (puncs != null) { for (int i = 0; i < puncs.length(); i++) { builder.addWord(puncs.subSequence(i, i + 1)); } } return builder.setIsPunctuationSuggestions().build(); } public boolean isVoiceButtonEnabled(EditorInfo attribute) { final boolean shortcutImeEnabled = SubtypeSwitcher.getInstance().isShortcutImeEnabled(); final int inputType = (attribute != null) ? attribute.inputType : 0; return shortcutImeEnabled && mVoiceButtonEnabled && !InputTypeCompatUtils.isPasswordInputType(inputType); } public boolean isVoiceButtonOnPrimary() { return mVoiceButtonOnPrimary; } } private PreferenceScreen mInputLanguageSelection; private ListPreference mVoicePreference; private ListPreference mSettingsKeyPreference; private ListPreference mShowCorrectionSuggestionsPreference; private ListPreference mAutoCorrectionThreshold; private ListPreference mKeyPreviewPopupDismissDelay; // Suggestion: use bigrams to adjust scores of suggestions obtained from unigram dictionary private CheckBoxPreference mBigramSuggestion; // Prediction: use bigrams to predict the next word when there is no input for it yet private CheckBoxPreference mBigramPrediction; private Preference mDebugSettingsPreference; private boolean mVoiceOn; private AlertDialog mDialog; private boolean mOkClicked = false; private String mVoiceModeOff; private void ensureConsistencyOfAutoCorrectionSettings() { final String autoCorrectionOff = getResources().getString( R.string.auto_correction_threshold_mode_index_off); final String currentSetting = mAutoCorrectionThreshold.getValue(); mBigramSuggestion.setEnabled(!currentSetting.equals(autoCorrectionOff)); mBigramPrediction.setEnabled(!currentSetting.equals(autoCorrectionOff)); } public Activity getActivityInternal() { Object thisObject = (Object) this; if (thisObject instanceof Activity) { return (Activity) thisObject; } else if (thisObject instanceof Fragment) { return ((Fragment) thisObject).getActivity(); } else { return null; } } @Override public void onCreate(Bundle icicle) { super.onCreate(icicle); setInputMethodSettingsCategoryTitle(R.string.language_selection_title); setSubtypeEnablerTitle(R.string.select_language); final Resources res = getResources(); final Context context = getActivityInternal(); addPreferencesFromResource(R.xml.prefs); mInputLanguageSelection = (PreferenceScreen) findPreference(PREF_SUBTYPES); mInputLanguageSelection.setOnPreferenceClickListener(this); mVoicePreference = (ListPreference) findPreference(PREF_VOICE_SETTINGS_KEY); mSettingsKeyPreference = (ListPreference) findPreference(PREF_SETTINGS_KEY); mShowCorrectionSuggestionsPreference = (ListPreference) findPreference(PREF_SHOW_SUGGESTIONS_SETTING); SharedPreferences prefs = getPreferenceManager().getSharedPreferences(); prefs.registerOnSharedPreferenceChangeListener(this); mVoiceModeOff = getString(R.string.voice_mode_off); mVoiceOn = !(prefs.getString(PREF_VOICE_SETTINGS_KEY, mVoiceModeOff) .equals(mVoiceModeOff)); mAutoCorrectionThreshold = (ListPreference) findPreference(PREF_AUTO_CORRECTION_THRESHOLD); mBigramSuggestion = (CheckBoxPreference) findPreference(PREF_BIGRAM_SUGGESTIONS); mBigramPrediction = (CheckBoxPreference) findPreference(PREF_BIGRAM_PREDICTIONS); mDebugSettingsPreference = findPreference(PREF_DEBUG_SETTINGS); if (mDebugSettingsPreference != null) { final Intent debugSettingsIntent = new Intent(Intent.ACTION_MAIN); debugSettingsIntent.setClassName( context.getPackageName(), DebugSettings.class.getName()); mDebugSettingsPreference.setIntent(debugSettingsIntent); } ensureConsistencyOfAutoCorrectionSettings(); final PreferenceGroup generalSettings = (PreferenceGroup) findPreference(PREF_GENERAL_SETTINGS_KEY); final PreferenceGroup textCorrectionGroup = (PreferenceGroup) findPreference(PREF_CORRECTION_SETTINGS_KEY); final boolean showSettingsKeyOption = res.getBoolean( R.bool.config_enable_show_settings_key_option); if (!showSettingsKeyOption) { generalSettings.removePreference(mSettingsKeyPreference); } final boolean showVoiceKeyOption = res.getBoolean( R.bool.config_enable_show_voice_key_option); if (!showVoiceKeyOption) { generalSettings.removePreference(mVoicePreference); } if (!VibratorCompatWrapper.getInstance(context).hasVibrator()) { generalSettings.removePreference(findPreference(PREF_VIBRATE_ON)); } if (InputMethodServiceCompatWrapper.CAN_HANDLE_ON_CURRENT_INPUT_METHOD_SUBTYPE_CHANGED) { generalSettings.removePreference(findPreference(PREF_SUBTYPES)); } final boolean showPopupOption = res.getBoolean( R.bool.config_enable_show_popup_on_keypress_option); if (!showPopupOption) { generalSettings.removePreference(findPreference(PREF_KEY_PREVIEW_POPUP_ON)); } final boolean showRecorrectionOption = res.getBoolean( R.bool.config_enable_show_recorrection_option); if (!showRecorrectionOption) { generalSettings.removePreference(findPreference(PREF_RECORRECTION_ENABLED)); } final boolean showQuickFixesOption = res.getBoolean( R.bool.config_enable_quick_fixes_option); if (!showQuickFixesOption) { textCorrectionGroup.removePreference(findPreference(PREF_QUICK_FIXES)); } final boolean showBigramSuggestionsOption = res.getBoolean( R.bool.config_enable_bigram_suggestions_option); if (!showBigramSuggestionsOption) { textCorrectionGroup.removePreference(findPreference(PREF_BIGRAM_SUGGESTIONS)); textCorrectionGroup.removePreference(findPreference(PREF_BIGRAM_PREDICTIONS)); } final boolean showUsabilityModeStudyOption = res.getBoolean( R.bool.config_enable_usability_study_mode_option); if (!showUsabilityModeStudyOption) { getPreferenceScreen().removePreference(findPreference(PREF_USABILITY_STUDY_MODE)); } mKeyPreviewPopupDismissDelay = (ListPreference)findPreference(PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY); final String[] entries = new String[] { res.getString(R.string.key_preview_popup_dismiss_no_delay), res.getString(R.string.key_preview_popup_dismiss_default_delay), }; final String popupDismissDelayDefaultValue = Integer.toString(res.getInteger( R.integer.config_delay_after_preview)); mKeyPreviewPopupDismissDelay.setEntries(entries); mKeyPreviewPopupDismissDelay.setEntryValues( new String[] { "0", popupDismissDelayDefaultValue }); if (null == mKeyPreviewPopupDismissDelay.getValue()) { mKeyPreviewPopupDismissDelay.setValue(popupDismissDelayDefaultValue); } mKeyPreviewPopupDismissDelay.setEnabled( Settings.Values.isKeyPreviewPopupEnabled(prefs, res)); final PreferenceScreen dictionaryLink = (PreferenceScreen) findPreference(PREF_CONFIGURE_DICTIONARIES_KEY); final Intent intent = dictionaryLink.getIntent(); final int number = context.getPackageManager().queryIntentActivities(intent, 0).size(); if (0 >= number) { textCorrectionGroup.removePreference(dictionaryLink); } } @SuppressWarnings("unused") @Override public void onResume() { super.onResume(); final boolean isShortcutImeEnabled = SubtypeSwitcher.getInstance().isShortcutImeEnabled(); if (isShortcutImeEnabled || (VoiceProxy.VOICE_INSTALLED && VoiceProxy.isRecognitionAvailable(getActivityInternal()))) { updateVoiceModeSummary(); } else { getPreferenceScreen().removePreference(mVoicePreference); } updateSettingsKeySummary(); updateShowCorrectionSuggestionsSummary(); updateKeyPreviewPopupDelaySummary(); } @Override public void onDestroy() { getPreferenceManager().getSharedPreferences().unregisterOnSharedPreferenceChangeListener( this); super.onDestroy(); } @Override public void onSharedPreferenceChanged(SharedPreferences prefs, String key) { (new BackupManager(getActivityInternal())).dataChanged(); // If turning on voice input, show dialog if (key.equals(PREF_VOICE_SETTINGS_KEY) && !mVoiceOn) { if (!prefs.getString(PREF_VOICE_SETTINGS_KEY, mVoiceModeOff) .equals(mVoiceModeOff)) { showVoiceConfirmation(); } } else if (key.equals(PREF_KEY_PREVIEW_POPUP_ON)) { final ListPreference popupDismissDelay = (ListPreference)findPreference(PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY); if (null != popupDismissDelay) { popupDismissDelay.setEnabled(prefs.getBoolean(PREF_KEY_PREVIEW_POPUP_ON, true)); } } ensureConsistencyOfAutoCorrectionSettings(); mVoiceOn = !(prefs.getString(PREF_VOICE_SETTINGS_KEY, mVoiceModeOff) .equals(mVoiceModeOff)); updateVoiceModeSummary(); updateSettingsKeySummary(); updateShowCorrectionSuggestionsSummary(); updateKeyPreviewPopupDelaySummary(); } @Override public boolean onPreferenceClick(Preference pref) { if (pref == mInputLanguageSelection) { startActivity(CompatUtils.getInputLanguageSelectionIntent( Utils.getInputMethodId( InputMethodManagerCompatWrapper.getInstance(), getActivityInternal().getApplicationInfo().packageName), 0)); return true; } return false; } private void updateShowCorrectionSuggestionsSummary() { mShowCorrectionSuggestionsPreference.setSummary( getResources().getStringArray(R.array.prefs_suggestion_visibilities) [mShowCorrectionSuggestionsPreference.findIndexOfValue( mShowCorrectionSuggestionsPreference.getValue())]); } private void updateSettingsKeySummary() { mSettingsKeyPreference.setSummary( getResources().getStringArray(R.array.settings_key_modes) [mSettingsKeyPreference.findIndexOfValue(mSettingsKeyPreference.getValue())]); } private void updateKeyPreviewPopupDelaySummary() { final ListPreference lp = mKeyPreviewPopupDismissDelay; lp.setSummary(lp.getEntries()[lp.findIndexOfValue(lp.getValue())]); } private void showVoiceConfirmation() { mOkClicked = false; getActivityInternal().showDialog(VOICE_INPUT_CONFIRM_DIALOG); // Make URL in the dialog message clickable if (mDialog != null) { TextView textView = (TextView) mDialog.findViewById(android.R.id.message); if (textView != null) { textView.setMovementMethod(LinkMovementMethod.getInstance()); } } } private void updateVoiceModeSummary() { mVoicePreference.setSummary( getResources().getStringArray(R.array.voice_input_modes_summary) [mVoicePreference.findIndexOfValue(mVoicePreference.getValue())]); } @Override protected Dialog onCreateDialog(int id) { switch (id) { case VOICE_INPUT_CONFIRM_DIALOG: DialogInterface.OnClickListener listener = new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int whichButton) { if (whichButton == DialogInterface.BUTTON_NEGATIVE) { mVoicePreference.setValue(mVoiceModeOff); } else if (whichButton == DialogInterface.BUTTON_POSITIVE) { mOkClicked = true; } } }; AlertDialog.Builder builder = new AlertDialog.Builder(getActivityInternal()) .setTitle(R.string.voice_warning_title) .setPositiveButton(android.R.string.ok, listener) .setNegativeButton(android.R.string.cancel, listener); // Get the current list of supported locales and check the current locale against // that list, to decide whether to put a warning that voice input will not work in // the current language as part of the pop-up confirmation dialog. boolean localeSupported = SubtypeSwitcher.getInstance().isVoiceSupported( Locale.getDefault().toString()); final CharSequence message; if (localeSupported) { message = TextUtils.concat( getText(R.string.voice_warning_may_not_understand), "\n\n", getText(R.string.voice_hint_dialog_message)); } else { message = TextUtils.concat( getText(R.string.voice_warning_locale_not_supported), "\n\n", getText(R.string.voice_warning_may_not_understand), "\n\n", getText(R.string.voice_hint_dialog_message)); } builder.setMessage(message); AlertDialog dialog = builder.create(); mDialog = dialog; dialog.setOnDismissListener(this); return dialog; default: Log.e(TAG, "unknown dialog " + id); return null; } } @Override public void onDismiss(DialogInterface dialog) { if (!mOkClicked) { // This assumes that onPreferenceClick gets called first, and this if the user // agreed after the warning, we set the mOkClicked value to true. mVoicePreference.setValue(mVoiceModeOff); } } }