diff --git a/java/src/com/android/inputmethod/latin/Settings.java b/java/src/com/android/inputmethod/latin/Settings.java
index 9ed35f2..962851c 100644
--- a/java/src/com/android/inputmethod/latin/Settings.java
+++ b/java/src/com/android/inputmethod/latin/Settings.java
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008 The Android Open Source Project
+ * Copyright (C) 2013 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
@@ -16,27 +16,7 @@
 
 package com.android.inputmethod.latin;
 
-import android.app.backup.BackupManager;
-import android.content.Context;
-import android.content.Intent;
-import android.content.SharedPreferences;
-import android.content.res.Resources;
-import android.media.AudioManager;
-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.view.inputmethod.InputMethodSubtype;
-
-import com.android.inputmethod.latin.define.ProductionFlag;
-import com.android.inputmethodcommon.InputMethodSettingsFragment;
-
-public final class Settings extends InputMethodSettingsFragment
-        implements SharedPreferences.OnSharedPreferenceChangeListener {
-
+public final class Settings {
     // In the same order as xml/prefs.xml
     public static final String PREF_GENERAL_SETTINGS = "general_settings";
     public static final String PREF_AUTO_CAP = "auto_cap";
@@ -76,340 +56,4 @@
     public static final String PREF_INPUT_LANGUAGE = "input_language";
     public static final String PREF_SELECTED_LANGUAGES = "selected_languages";
     public static final String PREF_DEBUG_SETTINGS = "debug_settings";
-
-    private PreferenceScreen mKeypressVibrationDurationSettingsPref;
-    private PreferenceScreen mKeypressSoundVolumeSettingsPref;
-    private ListPreference mVoicePreference;
-    private ListPreference mShowCorrectionSuggestionsPreference;
-    private ListPreference mAutoCorrectionThresholdPreference;
-    private ListPreference mKeyPreviewPopupDismissDelay;
-    // Use bigrams to predict the next word when there is no input for it yet
-    private CheckBoxPreference mBigramPrediction;
-    private Preference mDebugSettingsPreference;
-
-    private static void setPreferenceEnabled(final Preference preference, final boolean enabled) {
-        if (preference != null) {
-            preference.setEnabled(enabled);
-        }
-    }
-
-    private void ensureConsistencyOfAutoCorrectionSettings() {
-        final String autoCorrectionOff = getResources().getString(
-                R.string.auto_correction_threshold_mode_index_off);
-        final String currentSetting = mAutoCorrectionThresholdPreference.getValue();
-        setPreferenceEnabled(mBigramPrediction, !currentSetting.equals(autoCorrectionOff));
-    }
-
-    @Override
-    public void onCreate(final Bundle icicle) {
-        super.onCreate(icicle);
-        setInputMethodSettingsCategoryTitle(R.string.language_selection_title);
-        setSubtypeEnablerTitle(R.string.select_language);
-        addPreferencesFromResource(R.xml.prefs);
-
-        final Resources res = getResources();
-        final Context context = getActivity();
-
-        // When we are called from the Settings application but we are not already running, the
-        // {@link SubtypeLocale} class may not have been initialized. It is safe to call
-        // {@link SubtypeLocale#init(Context)} multiple times.
-        SubtypeLocale.init(context);
-        AudioAndHapticFeedbackManager.init(context);
-        mVoicePreference = (ListPreference) findPreference(PREF_VOICE_MODE);
-        mShowCorrectionSuggestionsPreference =
-                (ListPreference) findPreference(PREF_SHOW_SUGGESTIONS_SETTING);
-        final SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
-        prefs.registerOnSharedPreferenceChangeListener(this);
-
-        mAutoCorrectionThresholdPreference =
-                (ListPreference) findPreference(PREF_AUTO_CORRECTION_THRESHOLD);
-        mBigramPrediction = (CheckBoxPreference) findPreference(PREF_BIGRAM_PREDICTIONS);
-        ensureConsistencyOfAutoCorrectionSettings();
-
-        final PreferenceGroup generalSettings =
-                (PreferenceGroup) findPreference(PREF_GENERAL_SETTINGS);
-        final PreferenceGroup textCorrectionGroup =
-                (PreferenceGroup) findPreference(PREF_CORRECTION_SETTINGS);
-        final PreferenceGroup gestureTypingSettings =
-                (PreferenceGroup) findPreference(PREF_GESTURE_SETTINGS);
-        final PreferenceGroup miscSettings =
-                (PreferenceGroup) findPreference(PREF_MISC_SETTINGS);
-
-        mDebugSettingsPreference = findPreference(PREF_DEBUG_SETTINGS);
-        if (mDebugSettingsPreference != null) {
-            if (ProductionFlag.IS_INTERNAL) {
-                final Intent debugSettingsIntent = new Intent(Intent.ACTION_MAIN);
-                debugSettingsIntent.setClassName(
-                        context.getPackageName(), DebugSettingsActivity.class.getName());
-                mDebugSettingsPreference.setIntent(debugSettingsIntent);
-            } else {
-                miscSettings.removePreference(mDebugSettingsPreference);
-            }
-        }
-
-        final boolean showVoiceKeyOption = res.getBoolean(
-                R.bool.config_enable_show_voice_key_option);
-        if (!showVoiceKeyOption) {
-            generalSettings.removePreference(mVoicePreference);
-        }
-
-        final PreferenceGroup advancedSettings =
-                (PreferenceGroup) findPreference(PREF_ADVANCED_SETTINGS);
-        if (!AudioAndHapticFeedbackManager.getInstance().hasVibrator()) {
-            generalSettings.removePreference(findPreference(PREF_VIBRATE_ON));
-            if (null != advancedSettings) { // Theoretically advancedSettings cannot be null
-                advancedSettings.removePreference(findPreference(PREF_VIBRATION_DURATION_SETTINGS));
-            }
-        }
-
-        final boolean showKeyPreviewPopupOption = res.getBoolean(
-                R.bool.config_enable_show_popup_on_keypress_option);
-        mKeyPreviewPopupDismissDelay =
-                (ListPreference) findPreference(PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY);
-        if (!showKeyPreviewPopupOption) {
-            generalSettings.removePreference(findPreference(PREF_POPUP_ON));
-            if (null != advancedSettings) { // Theoretically advancedSettings cannot be null
-                advancedSettings.removePreference(mKeyPreviewPopupDismissDelay);
-            }
-        } else {
-            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_key_preview_linger_timeout));
-            mKeyPreviewPopupDismissDelay.setEntries(entries);
-            mKeyPreviewPopupDismissDelay.setEntryValues(
-                    new String[] { "0", popupDismissDelayDefaultValue });
-            if (null == mKeyPreviewPopupDismissDelay.getValue()) {
-                mKeyPreviewPopupDismissDelay.setValue(popupDismissDelayDefaultValue);
-            }
-            setPreferenceEnabled(mKeyPreviewPopupDismissDelay,
-                    SettingsValues.isKeyPreviewPopupEnabled(prefs, res));
-        }
-
-        setPreferenceEnabled(findPreference(PREF_INCLUDE_OTHER_IMES_IN_LANGUAGE_SWITCH_LIST),
-                SettingsValues.showsLanguageSwitchKey(prefs));
-
-        final PreferenceScreen dictionaryLink =
-                (PreferenceScreen) findPreference(PREF_CONFIGURE_DICTIONARIES_KEY);
-        final Intent intent = dictionaryLink.getIntent();
-
-        final int number = context.getPackageManager().queryIntentActivities(intent, 0).size();
-        // TODO: The experimental version is not supported by the Dictionary Pack Service yet
-        if (ProductionFlag.IS_EXPERIMENTAL || 0 >= number) {
-            textCorrectionGroup.removePreference(dictionaryLink);
-        }
-
-        final boolean gestureInputEnabledByBuildConfig = res.getBoolean(
-                R.bool.config_gesture_input_enabled_by_build_config);
-        if (!gestureInputEnabledByBuildConfig) {
-            getPreferenceScreen().removePreference(gestureTypingSettings);
-        }
-
-        mKeypressVibrationDurationSettingsPref =
-                (PreferenceScreen) findPreference(PREF_VIBRATION_DURATION_SETTINGS);
-        if (mKeypressVibrationDurationSettingsPref != null) {
-            mKeypressVibrationDurationSettingsPref.setOnPreferenceClickListener(
-                    new OnPreferenceClickListener() {
-                        @Override
-                        public boolean onPreferenceClick(Preference arg0) {
-                            showKeypressVibrationDurationSettingsDialog();
-                            return true;
-                        }
-                    });
-            mKeypressVibrationDurationSettingsPref.setSummary(
-                    res.getString(R.string.settings_keypress_vibration_duration,
-                            SettingsValues.getCurrentVibrationDuration(prefs, res)));
-        }
-
-        mKeypressSoundVolumeSettingsPref =
-                (PreferenceScreen) findPreference(PREF_KEYPRESS_SOUND_VOLUME);
-        if (mKeypressSoundVolumeSettingsPref != null) {
-            mKeypressSoundVolumeSettingsPref.setOnPreferenceClickListener(
-                    new OnPreferenceClickListener() {
-                        @Override
-                        public boolean onPreferenceClick(Preference arg0) {
-                            showKeypressSoundVolumeSettingDialog();
-                            return true;
-                        }
-                    });
-            mKeypressSoundVolumeSettingsPref.setSummary(String.valueOf(
-                    getCurrentKeyPressSoundVolumePercent(prefs, res)));
-        }
-        refreshEnablingsOfKeypressSoundAndVibrationSettings(prefs, res);
-    }
-
-    @Override
-    public void onResume() {
-        super.onResume();
-        final boolean isShortcutImeEnabled = SubtypeSwitcher.getInstance().isShortcutImeEnabled();
-        if (isShortcutImeEnabled) {
-            updateVoiceModeSummary();
-        } else {
-            getPreferenceScreen().removePreference(mVoicePreference);
-        }
-        updateShowCorrectionSuggestionsSummary();
-        updateKeyPreviewPopupDelaySummary();
-        updateCustomInputStylesSummary();
-    }
-
-    @Override
-    public void onDestroy() {
-        getPreferenceManager().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(
-                this);
-        super.onDestroy();
-    }
-
-    @Override
-    public void onSharedPreferenceChanged(final SharedPreferences prefs, final String key) {
-        (new BackupManager(getActivity())).dataChanged();
-        if (key.equals(PREF_POPUP_ON)) {
-            setPreferenceEnabled(findPreference(PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY),
-                    prefs.getBoolean(PREF_POPUP_ON, true));
-        } else if (key.equals(PREF_SHOW_LANGUAGE_SWITCH_KEY)) {
-            setPreferenceEnabled(findPreference(PREF_INCLUDE_OTHER_IMES_IN_LANGUAGE_SWITCH_LIST),
-                    SettingsValues.showsLanguageSwitchKey(prefs));
-        } else if (key.equals(PREF_GESTURE_INPUT)) {
-            final boolean gestureInputEnabledByConfig = getResources().getBoolean(
-                    R.bool.config_gesture_input_enabled_by_build_config);
-            if (gestureInputEnabledByConfig) {
-                final boolean gestureInputEnabledByUser = prefs.getBoolean(
-                        PREF_GESTURE_INPUT, true);
-                setPreferenceEnabled(findPreference(PREF_GESTURE_PREVIEW_TRAIL),
-                        gestureInputEnabledByUser);
-                setPreferenceEnabled(findPreference(PREF_GESTURE_FLOATING_PREVIEW_TEXT),
-                        gestureInputEnabledByUser);
-            }
-        }
-        ensureConsistencyOfAutoCorrectionSettings();
-        updateVoiceModeSummary();
-        updateShowCorrectionSuggestionsSummary();
-        updateKeyPreviewPopupDelaySummary();
-        refreshEnablingsOfKeypressSoundAndVibrationSettings(prefs, getResources());
-    }
-
-    private void updateShowCorrectionSuggestionsSummary() {
-        mShowCorrectionSuggestionsPreference.setSummary(
-                getResources().getStringArray(R.array.prefs_suggestion_visibilities)
-                [mShowCorrectionSuggestionsPreference.findIndexOfValue(
-                        mShowCorrectionSuggestionsPreference.getValue())]);
-    }
-
-    private void updateCustomInputStylesSummary() {
-        final PreferenceScreen customInputStyles =
-                (PreferenceScreen)findPreference(PREF_CUSTOM_INPUT_STYLES);
-        final SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
-        final Resources res = getResources();
-        final String prefSubtype = SettingsValues.getPrefAdditionalSubtypes(prefs, res);
-        final InputMethodSubtype[] subtypes =
-                AdditionalSubtype.createAdditionalSubtypesArray(prefSubtype);
-        final StringBuilder styles = new StringBuilder();
-        for (final InputMethodSubtype subtype : subtypes) {
-            if (styles.length() > 0) styles.append(", ");
-            styles.append(SubtypeLocale.getSubtypeDisplayName(subtype, res));
-        }
-        customInputStyles.setSummary(styles);
-    }
-
-    private void updateKeyPreviewPopupDelaySummary() {
-        final ListPreference lp = mKeyPreviewPopupDismissDelay;
-        final CharSequence[] entries = lp.getEntries();
-        if (entries == null || entries.length <= 0) return;
-        lp.setSummary(entries[lp.findIndexOfValue(lp.getValue())]);
-    }
-
-    private void updateVoiceModeSummary() {
-        mVoicePreference.setSummary(
-                getResources().getStringArray(R.array.voice_input_modes_summary)
-                        [mVoicePreference.findIndexOfValue(mVoicePreference.getValue())]);
-    }
-
-    private void refreshEnablingsOfKeypressSoundAndVibrationSettings(
-            final SharedPreferences sp, final Resources res) {
-        if (mKeypressVibrationDurationSettingsPref != null) {
-            final boolean hasVibratorHardware =
-                    AudioAndHapticFeedbackManager.getInstance().hasVibrator();
-            final boolean vibrateOnByUser = sp.getBoolean(Settings.PREF_VIBRATE_ON,
-                    res.getBoolean(R.bool.config_default_vibration_enabled));
-            setPreferenceEnabled(mKeypressVibrationDurationSettingsPref,
-                    hasVibratorHardware && vibrateOnByUser);
-        }
-
-        if (mKeypressSoundVolumeSettingsPref != null) {
-            final boolean soundOn = sp.getBoolean(Settings.PREF_SOUND_ON,
-                    res.getBoolean(R.bool.config_default_sound_enabled));
-            setPreferenceEnabled(mKeypressSoundVolumeSettingsPref, soundOn);
-        }
-    }
-
-    private void showKeypressVibrationDurationSettingsDialog() {
-        final SharedPreferences sp = getPreferenceManager().getSharedPreferences();
-        final Context context = getActivity();
-        final PreferenceScreen settingsPref = mKeypressVibrationDurationSettingsPref;
-        final SeekBarDialog.Listener listener = new SeekBarDialog.Adapter() {
-            @Override
-            public void onPositiveButtonClick(final SeekBarDialog dialog) {
-                final int ms = dialog.getValue();
-                sp.edit().putInt(Settings.PREF_VIBRATION_DURATION_SETTINGS, ms).apply();
-                if (settingsPref != null) {
-                    settingsPref.setSummary(dialog.getValueText());
-                }
-            }
-
-            @Override
-            public void onStopTrackingTouch(final SeekBarDialog dialog) {
-                final int ms = dialog.getValue();
-                AudioAndHapticFeedbackManager.getInstance().vibrate(ms);
-            }
-        };
-        final int currentMs = SettingsValues.getCurrentVibrationDuration(sp, getResources());
-        final SeekBarDialog.Builder builder = new SeekBarDialog.Builder(context);
-        builder.setTitle(R.string.prefs_keypress_vibration_duration_settings)
-            .setListener(listener)
-            .setMaxValue(AudioAndHapticFeedbackManager.MAX_KEYPRESS_VIBRATION_DURATION)
-            .setValueFromat(R.string.settings_keypress_vibration_duration)
-            .setValue(currentMs)
-            .create()
-            .show();
-    }
-
-    private static final int PERCENT_INT = 100;
-    private static final float PERCENT_FLOAT = 100.0f;
-
-    private static int getCurrentKeyPressSoundVolumePercent(final SharedPreferences sp,
-            final Resources res) {
-        return (int)(SettingsValues.getCurrentKeypressSoundVolume(sp, res) * PERCENT_FLOAT);
-    }
-
-    private void showKeypressSoundVolumeSettingDialog() {
-        final SharedPreferences sp = getPreferenceManager().getSharedPreferences();
-        final Context context = getActivity();
-        final AudioManager am = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
-        final PreferenceScreen settingsPref = mKeypressSoundVolumeSettingsPref;
-        final SeekBarDialog.Listener listener = new SeekBarDialog.Adapter() {
-            @Override
-            public void onPositiveButtonClick(final SeekBarDialog dialog) {
-                final float volume = dialog.getValue() / PERCENT_FLOAT;
-                sp.edit().putFloat(Settings.PREF_KEYPRESS_SOUND_VOLUME, volume).apply();
-                if (settingsPref != null) {
-                    settingsPref.setSummary(dialog.getValueText());
-                }
-            }
-
-            @Override
-            public void onStopTrackingTouch(final SeekBarDialog dialog) {
-                final float volume = dialog.getValue() / PERCENT_FLOAT;
-                am.playSoundEffect(AudioManager.FX_KEYPRESS_STANDARD, volume);
-            }
-        };
-        final SeekBarDialog.Builder builder = new SeekBarDialog.Builder(context);
-        final int currentVolumeInt = getCurrentKeyPressSoundVolumePercent(sp, getResources());
-        builder.setTitle(R.string.prefs_keypress_sound_volume_settings)
-            .setListener(listener)
-            .setMaxValue(PERCENT_INT)
-            .setValue(currentVolumeInt)
-            .create()
-            .show();
-    }
 }
diff --git a/java/src/com/android/inputmethod/latin/SettingsActivity.java b/java/src/com/android/inputmethod/latin/SettingsActivity.java
index 0d3c8eb..3aeb101 100644
--- a/java/src/com/android/inputmethod/latin/SettingsActivity.java
+++ b/java/src/com/android/inputmethod/latin/SettingsActivity.java
@@ -20,7 +20,7 @@
 import android.preference.PreferenceActivity;
 
 public final class SettingsActivity extends PreferenceActivity {
-    private static final String DEFAULT_FRAGMENT = Settings.class.getName();
+    private static final String DEFAULT_FRAGMENT = SettingsFragment.class.getName();
 
     @Override
     public Intent getIntent() {
diff --git a/java/src/com/android/inputmethod/latin/SettingsFragment.java b/java/src/com/android/inputmethod/latin/SettingsFragment.java
new file mode 100644
index 0000000..a2980bf
--- /dev/null
+++ b/java/src/com/android/inputmethod/latin/SettingsFragment.java
@@ -0,0 +1,375 @@
+/*
+ * 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.backup.BackupManager;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.content.res.Resources;
+import android.media.AudioManager;
+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.view.inputmethod.InputMethodSubtype;
+
+import com.android.inputmethod.latin.define.ProductionFlag;
+import com.android.inputmethodcommon.InputMethodSettingsFragment;
+
+public final class SettingsFragment extends InputMethodSettingsFragment
+        implements SharedPreferences.OnSharedPreferenceChangeListener {
+    private PreferenceScreen mKeypressVibrationDurationSettingsPref;
+    private PreferenceScreen mKeypressSoundVolumeSettingsPref;
+    private ListPreference mVoicePreference;
+    private ListPreference mShowCorrectionSuggestionsPreference;
+    private ListPreference mAutoCorrectionThresholdPreference;
+    private ListPreference mKeyPreviewPopupDismissDelay;
+    // Use bigrams to predict the next word when there is no input for it yet
+    private CheckBoxPreference mBigramPrediction;
+    private Preference mDebugSettingsPreference;
+
+    private void setPreferenceEnabled(final String preferenceKey, final boolean enabled) {
+        final Preference preference = findPreference(preferenceKey);
+        if (preference != null) {
+            preference.setEnabled(enabled);
+        }
+    }
+
+    private void ensureConsistencyOfAutoCorrectionSettings() {
+        final String autoCorrectionOff = getResources().getString(
+                R.string.auto_correction_threshold_mode_index_off);
+        final String currentSetting = mAutoCorrectionThresholdPreference.getValue();
+        mBigramPrediction.setEnabled(!currentSetting.equals(autoCorrectionOff));
+    }
+
+    @Override
+    public void onCreate(final Bundle icicle) {
+        super.onCreate(icicle);
+        setInputMethodSettingsCategoryTitle(R.string.language_selection_title);
+        setSubtypeEnablerTitle(R.string.select_language);
+        addPreferencesFromResource(R.xml.prefs);
+
+        final Resources res = getResources();
+        final Context context = getActivity();
+
+        // When we are called from the Settings application but we are not already running, the
+        // {@link SubtypeLocale} class may not have been initialized. It is safe to call
+        // {@link SubtypeLocale#init(Context)} multiple times.
+        SubtypeLocale.init(context);
+        mVoicePreference = (ListPreference) findPreference(Settings.PREF_VOICE_MODE);
+        mShowCorrectionSuggestionsPreference =
+                (ListPreference) findPreference(Settings.PREF_SHOW_SUGGESTIONS_SETTING);
+        final SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
+        prefs.registerOnSharedPreferenceChangeListener(this);
+
+        mAutoCorrectionThresholdPreference =
+                (ListPreference) findPreference(Settings.PREF_AUTO_CORRECTION_THRESHOLD);
+        mBigramPrediction = (CheckBoxPreference) findPreference(Settings.PREF_BIGRAM_PREDICTIONS);
+        ensureConsistencyOfAutoCorrectionSettings();
+
+        final PreferenceGroup generalSettings =
+                (PreferenceGroup) findPreference(Settings.PREF_GENERAL_SETTINGS);
+        final PreferenceGroup textCorrectionGroup =
+                (PreferenceGroup) findPreference(Settings.PREF_CORRECTION_SETTINGS);
+        final PreferenceGroup gestureTypingSettings =
+                (PreferenceGroup) findPreference(Settings.PREF_GESTURE_SETTINGS);
+        final PreferenceGroup miscSettings =
+                (PreferenceGroup) findPreference(Settings.PREF_MISC_SETTINGS);
+
+        mDebugSettingsPreference = findPreference(Settings.PREF_DEBUG_SETTINGS);
+        if (mDebugSettingsPreference != null) {
+            if (ProductionFlag.IS_INTERNAL) {
+                final Intent debugSettingsIntent = new Intent(Intent.ACTION_MAIN);
+                debugSettingsIntent.setClassName(
+                        context.getPackageName(), DebugSettingsActivity.class.getName());
+                mDebugSettingsPreference.setIntent(debugSettingsIntent);
+            } else {
+                miscSettings.removePreference(mDebugSettingsPreference);
+            }
+        }
+
+        final boolean showVoiceKeyOption = res.getBoolean(
+                R.bool.config_enable_show_voice_key_option);
+        if (!showVoiceKeyOption) {
+            generalSettings.removePreference(mVoicePreference);
+        }
+
+        final PreferenceGroup advancedSettings =
+                (PreferenceGroup) findPreference(Settings.PREF_ADVANCED_SETTINGS);
+        if (!AudioAndHapticFeedbackManager.getInstance().hasVibrator()) {
+            generalSettings.removePreference(findPreference(Settings.PREF_VIBRATE_ON));
+            if (null != advancedSettings) { // Theoretically advancedSettings cannot be null
+                advancedSettings.removePreference(
+                        findPreference(Settings.PREF_VIBRATION_DURATION_SETTINGS));
+            }
+        }
+
+        final boolean showKeyPreviewPopupOption = res.getBoolean(
+                R.bool.config_enable_show_popup_on_keypress_option);
+        mKeyPreviewPopupDismissDelay =
+                (ListPreference) findPreference(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY);
+        if (!showKeyPreviewPopupOption) {
+            generalSettings.removePreference(findPreference(Settings.PREF_POPUP_ON));
+            if (null != advancedSettings) { // Theoretically advancedSettings cannot be null
+                advancedSettings.removePreference(mKeyPreviewPopupDismissDelay);
+            }
+        } else {
+            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_key_preview_linger_timeout));
+            mKeyPreviewPopupDismissDelay.setEntries(entries);
+            mKeyPreviewPopupDismissDelay.setEntryValues(
+                    new String[] { "0", popupDismissDelayDefaultValue });
+            if (null == mKeyPreviewPopupDismissDelay.getValue()) {
+                mKeyPreviewPopupDismissDelay.setValue(popupDismissDelayDefaultValue);
+            }
+            mKeyPreviewPopupDismissDelay.setEnabled(
+                    SettingsValues.isKeyPreviewPopupEnabled(prefs, res));
+        }
+
+        setPreferenceEnabled(Settings.PREF_INCLUDE_OTHER_IMES_IN_LANGUAGE_SWITCH_LIST,
+                SettingsValues.showsLanguageSwitchKey(prefs));
+
+        final PreferenceScreen dictionaryLink =
+                (PreferenceScreen) findPreference(Settings.PREF_CONFIGURE_DICTIONARIES_KEY);
+        final Intent intent = dictionaryLink.getIntent();
+
+        final int number = context.getPackageManager().queryIntentActivities(intent, 0).size();
+        // TODO: The experimental version is not supported by the Dictionary Pack Service yet
+        if (ProductionFlag.IS_EXPERIMENTAL || 0 >= number) {
+            textCorrectionGroup.removePreference(dictionaryLink);
+        }
+
+        final boolean gestureInputEnabledByBuildConfig = res.getBoolean(
+                R.bool.config_gesture_input_enabled_by_build_config);
+        if (!gestureInputEnabledByBuildConfig) {
+            getPreferenceScreen().removePreference(gestureTypingSettings);
+        }
+
+        mKeypressVibrationDurationSettingsPref =
+                (PreferenceScreen) findPreference(Settings.PREF_VIBRATION_DURATION_SETTINGS);
+        if (mKeypressVibrationDurationSettingsPref != null) {
+            mKeypressVibrationDurationSettingsPref.setOnPreferenceClickListener(
+                    new OnPreferenceClickListener() {
+                        @Override
+                        public boolean onPreferenceClick(Preference arg0) {
+                            showKeypressVibrationDurationSettingsDialog();
+                            return true;
+                        }
+                    });
+            mKeypressVibrationDurationSettingsPref.setSummary(
+                    res.getString(R.string.settings_keypress_vibration_duration,
+                            SettingsValues.getCurrentVibrationDuration(prefs, res)));
+        }
+
+        mKeypressSoundVolumeSettingsPref =
+                (PreferenceScreen) findPreference(Settings.PREF_KEYPRESS_SOUND_VOLUME);
+        if (mKeypressSoundVolumeSettingsPref != null) {
+            mKeypressSoundVolumeSettingsPref.setOnPreferenceClickListener(
+                    new OnPreferenceClickListener() {
+                        @Override
+                        public boolean onPreferenceClick(Preference arg0) {
+                            showKeypressSoundVolumeSettingDialog();
+                            return true;
+                        }
+                    });
+            mKeypressSoundVolumeSettingsPref.setSummary(String.valueOf(
+                    getCurrentKeyPressSoundVolumePercent(prefs, res)));
+        }
+        refreshEnablingsOfKeypressSoundAndVibrationSettings(prefs, res);
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        final boolean isShortcutImeEnabled = SubtypeSwitcher.getInstance().isShortcutImeEnabled();
+        if (isShortcutImeEnabled) {
+            updateVoiceModeSummary();
+        } else {
+            getPreferenceScreen().removePreference(mVoicePreference);
+        }
+        updateShowCorrectionSuggestionsSummary();
+        updateKeyPreviewPopupDelaySummary();
+        updateCustomInputStylesSummary();
+    }
+
+    @Override
+    public void onDestroy() {
+        getPreferenceManager().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(
+                this);
+        super.onDestroy();
+    }
+
+    @Override
+    public void onSharedPreferenceChanged(final SharedPreferences prefs, final String key) {
+        (new BackupManager(getActivity())).dataChanged();
+        if (key.equals(Settings.PREF_POPUP_ON)) {
+            setPreferenceEnabled(Settings.PREF_KEY_PREVIEW_POPUP_DISMISS_DELAY,
+                    prefs.getBoolean(Settings.PREF_POPUP_ON, true));
+        } else if (key.equals(Settings.PREF_SHOW_LANGUAGE_SWITCH_KEY)) {
+            setPreferenceEnabled(Settings.PREF_INCLUDE_OTHER_IMES_IN_LANGUAGE_SWITCH_LIST,
+                    SettingsValues.showsLanguageSwitchKey(prefs));
+        } else if (key.equals(Settings.PREF_GESTURE_INPUT)) {
+            final boolean gestureInputEnabledByConfig = getResources().getBoolean(
+                    R.bool.config_gesture_input_enabled_by_build_config);
+            if (gestureInputEnabledByConfig) {
+                final boolean gestureInputEnabledByUser = prefs.getBoolean(
+                        Settings.PREF_GESTURE_INPUT, true);
+                setPreferenceEnabled(Settings.PREF_GESTURE_PREVIEW_TRAIL,
+                        gestureInputEnabledByUser);
+                setPreferenceEnabled(Settings.PREF_GESTURE_FLOATING_PREVIEW_TEXT,
+                        gestureInputEnabledByUser);
+            }
+        }
+        ensureConsistencyOfAutoCorrectionSettings();
+        updateVoiceModeSummary();
+        updateShowCorrectionSuggestionsSummary();
+        updateKeyPreviewPopupDelaySummary();
+        refreshEnablingsOfKeypressSoundAndVibrationSettings(prefs, getResources());
+    }
+
+    private void updateShowCorrectionSuggestionsSummary() {
+        mShowCorrectionSuggestionsPreference.setSummary(
+                getResources().getStringArray(R.array.prefs_suggestion_visibilities)
+                [mShowCorrectionSuggestionsPreference.findIndexOfValue(
+                        mShowCorrectionSuggestionsPreference.getValue())]);
+    }
+
+    private void updateCustomInputStylesSummary() {
+        final PreferenceScreen customInputStyles =
+                (PreferenceScreen)findPreference(Settings.PREF_CUSTOM_INPUT_STYLES);
+        final SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
+        final Resources res = getResources();
+        final String prefSubtype = SettingsValues.getPrefAdditionalSubtypes(prefs, res);
+        final InputMethodSubtype[] subtypes =
+                AdditionalSubtype.createAdditionalSubtypesArray(prefSubtype);
+        final StringBuilder styles = new StringBuilder();
+        for (final InputMethodSubtype subtype : subtypes) {
+            if (styles.length() > 0) styles.append(", ");
+            styles.append(SubtypeLocale.getSubtypeDisplayName(subtype, res));
+        }
+        customInputStyles.setSummary(styles);
+    }
+
+    private void updateKeyPreviewPopupDelaySummary() {
+        final ListPreference lp = mKeyPreviewPopupDismissDelay;
+        final CharSequence[] entries = lp.getEntries();
+        if (entries == null || entries.length <= 0) return;
+        lp.setSummary(entries[lp.findIndexOfValue(lp.getValue())]);
+    }
+
+    private void updateVoiceModeSummary() {
+        mVoicePreference.setSummary(
+                getResources().getStringArray(R.array.voice_input_modes_summary)
+                        [mVoicePreference.findIndexOfValue(mVoicePreference.getValue())]);
+    }
+
+    private void refreshEnablingsOfKeypressSoundAndVibrationSettings(
+            final SharedPreferences sp, final Resources res) {
+        if (mKeypressVibrationDurationSettingsPref != null) {
+            final boolean hasVibratorHardware =
+                    AudioAndHapticFeedbackManager.getInstance().hasVibrator();
+            final boolean vibrateOnByUser = sp.getBoolean(Settings.PREF_VIBRATE_ON,
+                    res.getBoolean(R.bool.config_default_vibration_enabled));
+            mKeypressVibrationDurationSettingsPref.setEnabled(
+                    hasVibratorHardware && vibrateOnByUser);
+        }
+
+        if (mKeypressSoundVolumeSettingsPref != null) {
+            final boolean soundOn = sp.getBoolean(Settings.PREF_SOUND_ON,
+                    res.getBoolean(R.bool.config_default_sound_enabled));
+            mKeypressSoundVolumeSettingsPref.setEnabled(soundOn);
+        }
+    }
+
+    private void showKeypressVibrationDurationSettingsDialog() {
+        final SharedPreferences sp = getPreferenceManager().getSharedPreferences();
+        final Context context = getActivity();
+        final PreferenceScreen settingsPref = mKeypressVibrationDurationSettingsPref;
+        final SeekBarDialog.Listener listener = new SeekBarDialog.Adapter() {
+            @Override
+            public void onPositiveButtonClick(final SeekBarDialog dialog) {
+                final int ms = dialog.getValue();
+                sp.edit().putInt(Settings.PREF_VIBRATION_DURATION_SETTINGS, ms).apply();
+                if (settingsPref != null) {
+                    settingsPref.setSummary(dialog.getValueText());
+                }
+            }
+
+            @Override
+            public void onStopTrackingTouch(final SeekBarDialog dialog) {
+                final int ms = dialog.getValue();
+                AudioAndHapticFeedbackManager.getInstance().vibrate(ms);
+            }
+        };
+        final int currentMs = SettingsValues.getCurrentVibrationDuration(sp, getResources());
+        final SeekBarDialog.Builder builder = new SeekBarDialog.Builder(context);
+        builder.setTitle(R.string.prefs_keypress_vibration_duration_settings)
+                .setListener(listener)
+                .setMaxValue(AudioAndHapticFeedbackManager.MAX_KEYPRESS_VIBRATION_DURATION)
+                .setValueFromat(R.string.settings_keypress_vibration_duration)
+                .setValue(currentMs)
+                .create()
+                .show();
+    }
+
+    private static final int PERCENT_INT = 100;
+    private static final float PERCENT_FLOAT = 100.0f;
+
+    private static int getCurrentKeyPressSoundVolumePercent(final SharedPreferences sp,
+            final Resources res) {
+        return (int)(SettingsValues.getCurrentKeypressSoundVolume(sp, res) * PERCENT_FLOAT);
+    }
+
+    private void showKeypressSoundVolumeSettingDialog() {
+        final SharedPreferences sp = getPreferenceManager().getSharedPreferences();
+        final Context context = getActivity();
+        final AudioManager am = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE);
+        final PreferenceScreen settingsPref = mKeypressSoundVolumeSettingsPref;
+        final SeekBarDialog.Listener listener = new SeekBarDialog.Adapter() {
+            @Override
+            public void onPositiveButtonClick(final SeekBarDialog dialog) {
+                final float volume = dialog.getValue() / PERCENT_FLOAT;
+                sp.edit().putFloat(Settings.PREF_KEYPRESS_SOUND_VOLUME, volume).apply();
+                if (settingsPref != null) {
+                    settingsPref.setSummary(dialog.getValueText());
+                }
+            }
+
+            @Override
+            public void onStopTrackingTouch(final SeekBarDialog dialog) {
+                final float volume = dialog.getValue() / PERCENT_FLOAT;
+                am.playSoundEffect(AudioManager.FX_KEYPRESS_STANDARD, volume);
+            }
+        };
+        final SeekBarDialog.Builder builder = new SeekBarDialog.Builder(context);
+        final int currentVolumeInt = getCurrentKeyPressSoundVolumePercent(sp, getResources());
+        builder.setTitle(R.string.prefs_keypress_sound_volume_settings)
+                .setListener(listener)
+                .setMaxValue(PERCENT_INT)
+                .setValue(currentVolumeInt)
+                .create()
+                .show();
+    }
+}