Polish of the accessibility settings.

Change-Id: Ifb32ec6745e566cf7ffafe20019b68d95661b45d

res/values/strings.xml

@@ -2681,9 +2681,8 @@ found in the list of installed applications.</string>
     <!-- Title for accessibility preference to enable touch exploration mode. [CHAR LIMIT=35] -->
     <string name="accessibility_touch_exploration_title">Explore by touch</string>
     <!-- Summary for accessibility of the touch exploration mode. [CHAR LIMIT=NONE] -->
-    <string name="accessibility_touch_exploration_summary" >Allows exploring screen content and interacting with the device.\n\n
+    <string name="accessibility_touch_exploration_summary" >When Explore by Touch is turned on,
-        Touch the screen to receive feedback of the content under your finger.\n\n Tap on the last explored location to activate.\n\n
+    you can hear or see descriptions of what\'s under your finger.\n\n This feature is for low-vision users.</string>
-        Use two fingers to drag. </string>
     <!-- Title for accessibility preference to choose long-press delay i.e. timeout before it is detected. [CHAR LIMIT=35] -->
     <string name="accessibility_long_press_timeout_title">Touch &amp; hold delay</string>
     <!-- Title for accessibility preference to install accessibility scripts from Google. [CHAR LIMIT=35] -->
@@ -2710,31 +2709,37 @@ found in the list of installed applications.</string>
     <string name="accessibility_script_injection_button_disallow">Don\'t Allow</string>
 
     <!-- Warning message about security implications of enabling an accessibility service,
-         displayed as a dialog message when the user selects to enable an accessibility service. [CHAR LIMIT=NONE] -->
+         displayed as a dialog message when the user selects to enable an accessibility service (tablet). [CHAR LIMIT=NONE] -->
-    <string name="accessibility_service_security_warning">This accessibility service may be able to collect
+    <string name="accessibility_service_security_warning">
-        all the text you type, including personal data credit card numbers except passwords.
+            <xliff:g id="accessibility_service_name">%1$s</xliff:g> can
-        It may also log your user interface interactions. It comes from the application
+            collect all of the text you type, except passwords. This includes personal data such as credit card
-        <xliff:g id="accessibility_service_name">%1$s</xliff:g>. Use this accessibility service?</string>
+            numbers. It can also collect data about your interactions with the device.</string>
-    <!-- Warning about disabling accessibility displayed as a dialog message when the user
+    <!-- Title for a warning about disabling accessibility displayed as a dialog message when the user
+         selects to disable accessibility. This avoids accidental disabling. [CHAR LIMIT=30] -->
+    <string name="accessibility_disable_warning_title">Turn accessibility off?</string>
+    <!-- Summary for a warning about disabling accessibility displayed as a dialog message when the user
          selects to disable accessibility. This avoids accidental disabling. [CHAR LIMIT=NONE] -->
-    <string name="accessibility_service_disable_warning">Disable accessibility?</string>
+    <string name="accessibility_disable_warning_summary">Touching OK will stop spoken
+        descriptions and all other accessibility features you\'ve been using.</string>
     <!-- Title for the prompt that lets users know that they have no accessibility related apps
          installed and that they can install TalkBack from Market. [CHAR LIMIT=50] -->
-    <string name="accessibility_service_no_apps_title">No accessibility related applications found
+    <string name="accessibility_service_no_apps_title">No accessibility applications
         </string>
     <!-- Message for the prompt that lets users know that they have no accessibility related apps
          installed and that they can install TalkBack from Market. [CHAR LIMIT=NONE] -->
-    <string name="accessibility_service_no_apps_message">You do not have any accessibility-related
+    <string name="accessibility_service_no_apps_message">You don\'t have accessibility
-        applications installed.\n\nYou can download a screen reader for your device from Android
+        applications installed. Do you want to download a screen reader from the Android Market?</string>
-        Market.\n\nClick "OK" to install the screen reader.</string>
     <!-- Warning message about security implications of downloading accessibility scripts,
          displayed as a dialog message when the user selects to enable script downloading. [CHAR LIMIT=NONE] -->
-    <string name="accessibility_script_injection_security_warning">Some applications can ask Google
+    <string name="accessibility_script_injection_security_warning">Do you want applications to install
-        to download scripts to your device that make their content more accessible. Are you sure you
+        scripts from Google that will make their content more accessible?</string>
-        want to allow Google to install accessibility scripts on your device?</string>
     <!-- Warning message that the interaction model changes on enabling touch exploration. [CHAR LIMIT=NONE] -->
     <string name="accessibility_touch_exploration_warning">Enabling explore by touch
-        changes the interation model. Enable explore by touch?</string>
+        changes how the devices respons to touch. Enable explore by touch?</string>
+    <!-- Default description for an accessiiblity serivice if the latter doesn't provide one. [CHAR LIMIT=NONE] -->
+    <string name="accessibility_service_default_description">This accessibility service has no
+        description.\n\nAccessibility services provide various types of feedback when you interact
+        with the device. </string>
 
     <!-- App Fuel Gauge strings -->
     <skip />

res/xml/accessibility_settings.xml

@@ -30,12 +30,12 @@
         <CheckBoxPreference
                 android:key="toggle_large_text_preference"
                 android:title="@string/accessibility_toggle_large_text_title"
-                android:persistent="false"/>
+                android:persistent="true"/>
 
         <CheckBoxPreference
                 android:key="toggle_power_button_ends_call_preference"
                 android:title="@string/accessibility_power_button_ends_call_title"
-                android:persistent="false">
+                android:persistent="true">
         </CheckBoxPreference>
 
         <PreferenceScreen
@@ -55,10 +55,15 @@
                 android:entryValues="@array/long_press_timeout_selector_values"
                 android:persistent="true" />
 
-        <Preference
+        <com.android.settings.AccessibilityEnableScriptInjectionPreference
                 android:key="toggle_script_injection_preference"
                 android:title="@string/accessibility_script_injection_title"
-                android:persistent="false" />
+                android:dialogTitle="@android:string/dialog_alert_title"
+                android:dialogIcon="@android:drawable/ic_dialog_alert"
+                android:dialogMessage="@string/accessibility_script_injection_security_warning"
+                android:positiveButtonText="@string/accessibility_script_injection_button_allow"
+                android:negativeButtonText="@string/accessibility_script_injection_button_disallow"
+                android:persistent="true" />
 
     </PreferenceCategory>
 

src/com/android/settings/AccessibilityEnableScriptInjectionPreference.java

@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) 2011 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.settings;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.os.Parcel;
+import android.os.Parcelable;
+import android.preference.DialogPreference;
+import android.provider.Settings;
+import android.util.AttributeSet;
+import android.view.View;
+import android.view.accessibility.AccessibilityEvent;
+import android.view.accessibility.AccessibilityManager;
+
+/**
+ * Preference for enabling accessibility script injection. It displays a warning
+ * dialog before enabling the preference.
+ */
+public class AccessibilityEnableScriptInjectionPreference extends DialogPreference {
+
+    private boolean mInjectionAllowed;
+    private boolean mSendClickAccessibilityEvent;
+
+    public AccessibilityEnableScriptInjectionPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        updateSummary();
+    }
+
+    public void setInjectionAllowed(boolean injectionAllowed) {
+        if (mInjectionAllowed != injectionAllowed) {
+            mInjectionAllowed = injectionAllowed;
+            persistBoolean(injectionAllowed);
+            updateSummary();
+        }
+    }
+
+    public boolean isInjectionAllowed() {
+        return mInjectionAllowed;
+    }
+
+    @Override
+    protected void onBindView(View view) {
+        super.onBindView(view);
+        View summaryView = view.findViewById(com.android.internal.R.id.summary);
+        sendAccessibilityEvent(summaryView);
+    }
+
+    private void sendAccessibilityEvent(View view) {
+        // Since the view is still not attached we create, populate,
+        // and send the event directly since we do not know when it
+        // will be attached and posting commands is not as clean.
+        AccessibilityManager accessibilityManager = AccessibilityManager.getInstance(getContext());
+        if (mSendClickAccessibilityEvent && accessibilityManager.isEnabled()) {
+            AccessibilityEvent event = AccessibilityEvent.obtain();
+            event.setEventType(AccessibilityEvent.TYPE_VIEW_CLICKED);
+            view.onInitializeAccessibilityEvent(event);
+            view.dispatchPopulateAccessibilityEvent(event);
+            accessibilityManager.sendAccessibilityEvent(event);
+        }
+        mSendClickAccessibilityEvent = false;
+    }
+
+    @Override
+    protected void onClick() {
+        if (isInjectionAllowed()) {
+            setInjectionAllowed(false);
+            // Update the system setting only upon user action.
+            setSystemSetting(false);
+            mSendClickAccessibilityEvent = true;
+        } else {
+            super.onClick();
+            mSendClickAccessibilityEvent = false;
+        }
+    }
+
+    @Override
+    protected Object onGetDefaultValue(TypedArray a, int index) {
+        return a.getBoolean(index, false);
+    }
+
+    @Override
+    protected void onSetInitialValue(boolean restoreValue, Object defaultValue) {
+        setInjectionAllowed(restoreValue
+                ? getPersistedBoolean(mInjectionAllowed)
+                : (Boolean) defaultValue);
+    }
+
+    @Override
+    protected void onDialogClosed(boolean result) {
+        setInjectionAllowed(result);
+        if (result) {
+            // Update the system setting only upon user action.
+            setSystemSetting(true);
+        }
+    }
+
+    @Override
+    protected Parcelable onSaveInstanceState() {
+        Parcelable superState = super.onSaveInstanceState();
+        if (isPersistent()) {
+            return superState;
+        }
+        SavedState myState = new SavedState(superState);
+        myState.mInjectionAllowed = mInjectionAllowed;
+        return myState;
+    }
+
+    @Override
+    protected void onRestoreInstanceState(Parcelable state) {
+        if (state == null || !state.getClass().equals(SavedState.class)) {
+            super.onRestoreInstanceState(state);
+            return;
+        }
+        SavedState myState = (SavedState) state;
+        super.onRestoreInstanceState(myState.getSuperState());
+        setInjectionAllowed(myState.mInjectionAllowed);
+    }
+
+    private void updateSummary() {
+        setSummary(mInjectionAllowed
+                ? getContext().getString(R.string.accessibility_script_injection_allowed)
+                : getContext().getString(R.string.accessibility_script_injection_disallowed));
+    }
+
+    private void setSystemSetting(boolean enabled) {
+        Settings.Secure.putInt(getContext().getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_SCRIPT_INJECTION, enabled ? 1 : 0);
+    }
+
+    private static class SavedState extends BaseSavedState {
+        private boolean mInjectionAllowed;
+
+        public SavedState(Parcel source) {
+            super(source);
+            mInjectionAllowed = (source.readInt() == 1);
+        }
+
+        @Override
+        public void writeToParcel(Parcel parcel, int flags) {
+            super.writeToParcel(parcel, flags);
+            parcel.writeInt(mInjectionAllowed ? 1 : 0);
+        }
+
+        public SavedState(Parcelable superState) {
+            super(superState);
+        }
+
+        @SuppressWarnings("all")
+        public static final Parcelable.Creator<SavedState> CREATOR =
+                new Parcelable.Creator<SavedState>() {
+            public SavedState createFromParcel(Parcel in) {
+                return new SavedState(in);
+            }
+
+            public SavedState[] newArray(int size) {
+                return new SavedState[size];
+            }
+        };
+    }
+}

src/com/android/settings/AccessibilitySettings.java

@@ -26,6 +26,7 @@ import android.content.ComponentName;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
+import android.content.SharedPreferences;
 import android.content.pm.ServiceInfo;
 import android.content.res.Configuration;
 import android.net.Uri;
@@ -37,6 +38,7 @@ import android.os.SystemProperties;
 import android.preference.CheckBoxPreference;
 import android.preference.ListPreference;
 import android.preference.Preference;
+import android.preference.PreferenceActivity;
 import android.preference.PreferenceCategory;
 import android.preference.PreferenceScreen;
 import android.provider.Settings;
@@ -49,6 +51,7 @@ import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
+import android.view.accessibility.AccessibilityEvent;
 import android.view.accessibility.AccessibilityManager;
 import android.widget.Switch;
 import android.widget.TextView;
@@ -73,6 +76,8 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
 
     private static final float LARGE_FONT_SCALE = 1.3f;
 
+    private static final String SYSTEM_PROPERTY_MARKET_URL = "ro.screenreader.market";
+
     // Timeout before we update the services if packages are added/removed since
     // the AccessibilityManagerService has to do that processing first to generate
     // the AccessibilityServiceInfo we need for proper presentation.
@@ -80,8 +85,15 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
 
     private static final char ENABLED_ACCESSIBILITY_SERVICES_SEPARATOR = ':';
 
+    private static final String KEY_ACCESSIBILITY_TUTORIAL_LAUNCHED_ONCE =
+        "key_accessibility_tutorial_launched_once";
+
+    private static final String KEY_INSTALL_ACCESSIBILITY_SERVICE_OFFERED_ONCE =
+        "key_install_accessibility_service_offered_once";
+
     // Preference categories
     private static final String SERVICES_CATEGORY = "services_category";
+    private static final String SYSTEM_CATEGORY = "system_category";
 
     // Preferences
     private static final String TOGGLE_LARGE_TEXT_PREFERENCE = "toggle_large_text_preference";
@@ -95,18 +107,17 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
         "toggle_script_injection_preference";
 
     // Extras passed to sub-fragments.
-    static final String EXTRA_PREFERENCE_KEY = "preference_key";
+    private static final String EXTRA_PREFERENCE_KEY = "preference_key";
-    static final String EXTRA_CHECKED = "checked";
+    private static final String EXTRA_CHECKED = "checked";
-    static final String EXTRA_TITLE = "title";
+    private static final String EXTRA_TITLE = "title";
-    static final String EXTRA_SUMMARY = "summary";
+    private static final String EXTRA_SUMMARY = "summary";
-    static final String EXTRA_WARNING_MESSAGE = "warning_message";
+    private static final String EXTRA_WARNING_MESSAGE = "warning_message";
-    static final String EXTRA_SETTINGS_TITLE = "settings_title";
+    private static final String EXTRA_SETTINGS_TITLE = "settings_title";
-    static final String EXTRA_SETTINGS_COMPONENT_NAME = "settings_component_name";
+    private static final String EXTRA_SETTINGS_COMPONENT_NAME = "settings_component_name";
 
     // Dialog IDs.
     private static final int DIALOG_ID_DISABLE_ACCESSIBILITY = 1;
-    private static final int DIALOG_ID_ENABLE_SCRIPT_INJECTION = 2;
+    private static final int DIALOG_ID_NO_ACCESSIBILITY_SERVICES = 2;
-    private static final int DIALOG_ID_NO_ACCESSIBILITY_SERVICES = 3;
 
     // Auxiliary members.
     private final SimpleStringSplitter mStringColonSplitter =
@@ -123,7 +134,7 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
         @Override
         public void dispatchMessage(Message msg) {
             super.dispatchMessage(msg);
-            updateServicesPreferences();
+            updateServicesPreferences(mToggleAccessibilitySwitch.isChecked());
         }
     };
 
@@ -131,103 +142,96 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
     private ToggleSwitch mToggleAccessibilitySwitch;
 
     private PreferenceCategory mServicesCategory;
+    private PreferenceCategory mSystemsCategory;
 
     private CheckBoxPreference mToggleLargeTextPreference;
     private CheckBoxPreference mTogglePowerButtonEndsCallPreference;
-    private Preference mTouchExplorationEnabledPreference;
+    private Preference mToggleTouchExplorationPreference;
     private ListPreference mSelectLongPressTimeoutPreference;
-    private Preference mToggleScriptInjectionPreference;
+    private AccessibilityEnableScriptInjectionPreference mToggleScriptInjectionPreference;
+
+    private int mLongPressTimeoutDefault;
 
     @Override
     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);
         addPreferencesFromResource(R.xml.accessibility_settings);
-        installToggleAccessibilitySwitch();
+        initializeAllPreferences();
-        findPreferences();
     }
 
     @Override
     public void onResume() {
         super.onResume();
-        updateServicesPreferences();
+        final boolean accessibilityEnabled = mToggleAccessibilitySwitch.isChecked();
-        updateSystemPreferences();
+        updateAllPreferences(accessibilityEnabled);
-        updatePreferencesForAccessibilityState();
+        if (accessibilityEnabled) {
+            offerInstallAccessibilitySerivceOnce();
+        }
         mSettingsPackageMonitor.register(getActivity(), false);
     }
 
     @Override
     public void onPause() {
-        super.onPause();
         mSettingsPackageMonitor.unregister();
+        super.onPause();
+    }
+
+    @Override
+    public void onViewCreated(View view, Bundle savedInstanceState) {
+        addToggleAccessibilitySwitch();
+        super.onViewCreated(view, savedInstanceState);
+    }
+
+    @Override
+    public void onDestroyView() {
+        removeToggleAccessibilitySwitch();
+        super.onDestroyView();
     }
 
     public boolean onPreferenceChange(Preference preference, Object newValue) {
         if (preference == mSelectLongPressTimeoutPreference) {
-            final int intValue = Integer.parseInt((String) newValue);
+            String stringValue = (String) newValue;
             Settings.Secure.putInt(getContentResolver(),
-                    Settings.Secure.LONG_PRESS_TIMEOUT, intValue);
+                    Settings.Secure.LONG_PRESS_TIMEOUT, Integer.parseInt(stringValue));
             mSelectLongPressTimeoutPreference.setSummary(
-                    mLongPressTimeoutValuetoTitleMap.get(String.valueOf(intValue)));
+                    mLongPressTimeoutValuetoTitleMap.get(stringValue));
             return true;
         }
         return false;
     }
 
-    private void updatePreferencesForAccessibilityState() {
-        final boolean accessibilityEnabled = (Settings.Secure.getInt(getContentResolver(),
-                Settings.Secure.ACCESSIBILITY_ENABLED, 0) == 1);
-        mServicesCategory.setEnabled(accessibilityEnabled);
-        mTouchExplorationEnabledPreference.setEnabled(accessibilityEnabled);
-        mToggleScriptInjectionPreference.setEnabled(accessibilityEnabled);
-    }
-
     @Override
     public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) {
         final String key = preference.getKey();
         if (mToggleLargeTextPreference == preference) {
-            handleToggleLargeTextPreference((CheckBoxPreference) preference);
+            handleToggleLargeTextPreferenceClick();
             return true;
         } else if (mTogglePowerButtonEndsCallPreference == preference) {
-            handleTogglePowerButtonEndsCallPreference((CheckBoxPreference) preference);
+            handleTogglePowerButtonEndsCallPreferenceClick();
-            return true;
-        } else if (mToggleScriptInjectionPreference == preference) {
-            handleToggleAccessibilityScriptInjectionPreference(preference);
             return true;
         }
         return super.onPreferenceTreeClick(preferenceScreen, preference);
     }
 
-    private void handleTogglePowerButtonEndsCallPreference(CheckBoxPreference preference) {
+    private void handleToggleLargeTextPreferenceClick() {
-        Settings.Secure.putInt(getContentResolver(),
-                Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
-                (preference.isChecked() ? Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP
-                        : Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF));
-    }
-
-    private void handleToggleLargeTextPreference(CheckBoxPreference preference) {
         try {
-            mCurConfig.fontScale = preference.isChecked() ? LARGE_FONT_SCALE : 1;
+            mCurConfig.fontScale = mToggleLargeTextPreference.isChecked() ? LARGE_FONT_SCALE : 1;
             ActivityManagerNative.getDefault().updatePersistentConfiguration(mCurConfig);
-        } catch (RemoteException e) {
+        } catch (RemoteException re) {
             /* ignore */
         }
     }
 
-    private void handleToggleAccessibilityScriptInjectionPreference(Preference preference) {
+    private void handleTogglePowerButtonEndsCallPreferenceClick() {
-        String allowed = getString(R.string.accessibility_script_injection_disallowed);
+        Settings.Secure.putInt(getContentResolver(),
-        if (preference.getSummary().equals(allowed)) {
+                Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
-            // set right enabled state since the user may press back.
+                (mTogglePowerButtonEndsCallPreference.isChecked()
-            showDialog(DIALOG_ID_ENABLE_SCRIPT_INJECTION);
+                        ? Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP
-        } else {
+                        : Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF));
-            Settings.Secure.putInt(getContentResolver(),
-                    Settings.Secure.ACCESSIBILITY_SCRIPT_INJECTION, 0);
-            mToggleScriptInjectionPreference.setSummary(
-                    getString(R.string.accessibility_script_injection_disallowed));
-        }
     }
 
-    private void installToggleAccessibilitySwitch() {
+    private void addToggleAccessibilitySwitch() {
-        mToggleAccessibilitySwitch = createActionBarToggleSwitch(getActivity());
+        mToggleAccessibilitySwitch = createAndAddActionBarToggleSwitch(getActivity());
         final boolean checked = (Settings.Secure.getInt(getContentResolver(),
                 Settings.Secure.ACCESSIBILITY_ENABLED, 0) == 1);
         mToggleAccessibilitySwitch.setChecked(checked);
@@ -236,34 +240,126 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
             @Override
             public boolean onBeforeCheckedChanged(ToggleSwitch toggleSwitch, boolean checked) {
                 if (!checked) {
-                    toggleSwitch.setCheckedNoBeforeCheckedChangeListener(true);
+                    toggleSwitch.setCheckedInternal(true);
                     showDialog(DIALOG_ID_DISABLE_ACCESSIBILITY);
                     return true;
                 }
                 Settings.Secure.putInt(getContentResolver(),
                         Settings.Secure.ACCESSIBILITY_ENABLED, 1);
-                updatePreferencesForAccessibilityState();
+                updateAllPreferences(true);
+                offerInstallAccessibilitySerivceOnce();
                 return false;
             }
         });
     }
 
-    private void findPreferences() {
+    public void removeToggleAccessibilitySwitch() {
-        mServicesCategory = (PreferenceCategory) findPreference(SERVICES_CATEGORY);
+        getActivity().getActionBar().setCustomView(null);
-
-        mToggleLargeTextPreference = (CheckBoxPreference) findPreference(
-                TOGGLE_LARGE_TEXT_PREFERENCE);
-        mTogglePowerButtonEndsCallPreference = (CheckBoxPreference) findPreference(
-                TOGGLE_POWER_BUTTON_ENDS_CALL_PREFERENCE);
-        mTouchExplorationEnabledPreference = findPreference(TOGGLE_TOUCH_EXPLORATION_PREFERENCE);
-        mSelectLongPressTimeoutPreference = (ListPreference) findPreference(
-                SELECT_LONG_PRESS_TIMEOUT_PREFERENCE);
-        mSelectLongPressTimeoutPreference.setOnPreferenceChangeListener(this);
-        mToggleScriptInjectionPreference = findPreference(TOGGLE_SCRIPT_INJECTION_PREFERENCE);
-        mToggleScriptInjectionPreference.setOnPreferenceChangeListener(this);
     }
 
-    private void updateServicesPreferences() {
+    private void initializeAllPreferences() {
+        // The basic logic here is if accessibility is not enabled all accessibility
+        // settings will have no effect but still their selected state should be kept
+        // unchanged, so the user can see what settings will be enabled when turning
+        // on accessibility.
+
+        final boolean accessibilityEnabled = (Settings.Secure.getInt(getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_ENABLED, 0) == 1);
+
+        mServicesCategory = (PreferenceCategory) findPreference(SERVICES_CATEGORY);
+        mSystemsCategory = (PreferenceCategory) findPreference(SYSTEM_CATEGORY);
+
+        // Large text.
+        mToggleLargeTextPreference =
+            (CheckBoxPreference) findPreference(TOGGLE_LARGE_TEXT_PREFERENCE);
+        if (accessibilityEnabled) {
+            try {
+                mCurConfig.updateFrom(ActivityManagerNative.getDefault().getConfiguration());
+            } catch (RemoteException re) {
+                /* ignore */
+            }
+            mToggleLargeTextPreference.setChecked(mCurConfig.fontScale == LARGE_FONT_SCALE);
+        }
+
+        // Power button ends calls.
+        mTogglePowerButtonEndsCallPreference =
+            (CheckBoxPreference) findPreference(TOGGLE_POWER_BUTTON_ENDS_CALL_PREFERENCE);
+        if (KeyCharacterMap.deviceHasKey(KeyEvent.KEYCODE_POWER)
+                && Utils.isVoiceCapable(getActivity())) {
+            if (accessibilityEnabled) {
+                final int incallPowerBehavior = Settings.Secure.getInt(getContentResolver(),
+                        Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
+                        Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT);
+                final boolean powerButtonEndsCall =
+                    (incallPowerBehavior == Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP);
+                mTogglePowerButtonEndsCallPreference.setChecked(powerButtonEndsCall);
+            }
+        } else {
+            mSystemsCategory.removePreference(mTogglePowerButtonEndsCallPreference);
+        }
+
+        // Touch exploration enabled.
+        mToggleTouchExplorationPreference = findPreference(TOGGLE_TOUCH_EXPLORATION_PREFERENCE);
+        final boolean touchExplorationEnabled = (Settings.Secure.getInt(getContentResolver(),
+                Settings.Secure.TOUCH_EXPLORATION_ENABLED, 0) == 1);
+        if (touchExplorationEnabled) {
+            mToggleTouchExplorationPreference.setSummary(
+                    getString(R.string.accessibility_service_state_on));
+            mToggleTouchExplorationPreference.getExtras().putBoolean(EXTRA_CHECKED, true);
+        } else {
+            mToggleTouchExplorationPreference.setSummary(
+                    getString(R.string.accessibility_service_state_off));
+            mToggleTouchExplorationPreference.getExtras().putBoolean(EXTRA_CHECKED, false);
+        }
+
+        // Long press timeout.
+        mSelectLongPressTimeoutPreference =
+            (ListPreference) findPreference(SELECT_LONG_PRESS_TIMEOUT_PREFERENCE);
+        mSelectLongPressTimeoutPreference.setOnPreferenceChangeListener(this);
+        if (mLongPressTimeoutValuetoTitleMap.size() == 0) {
+            String[] timeoutValues = getResources().getStringArray(
+                    R.array.long_press_timeout_selector_values);
+            mLongPressTimeoutDefault = Integer.parseInt(timeoutValues[0]);
+            String[] timeoutTitles = getResources().getStringArray(
+                    R.array.long_press_timeout_selector_titles);
+            final int timeoutValueCount = timeoutValues.length;
+            for (int i = 0; i < timeoutValueCount; i++) {
+               mLongPressTimeoutValuetoTitleMap.put(timeoutValues[i], timeoutTitles[i]);
+            }
+        }
+        if (accessibilityEnabled) {
+            final int longPressTimeout = Settings.Secure.getInt(getContentResolver(),
+                    Settings.Secure.LONG_PRESS_TIMEOUT, mLongPressTimeoutDefault);
+            String value = String.valueOf(longPressTimeout);
+            mSelectLongPressTimeoutPreference.setValue(value);
+            mSelectLongPressTimeoutPreference.setSummary(
+                    mLongPressTimeoutValuetoTitleMap.get(value));
+        } else {
+            Settings.Secure.putInt(getContentResolver(), Settings.Secure.LONG_PRESS_TIMEOUT,
+                    mLongPressTimeoutDefault);
+        }
+
+        // Script injection.
+        mToggleScriptInjectionPreference = (AccessibilityEnableScriptInjectionPreference)
+            findPreference(TOGGLE_SCRIPT_INJECTION_PREFERENCE);
+        if (accessibilityEnabled) {
+            final boolean  scriptInjectionAllowed = (Settings.Secure.getInt(getContentResolver(),
+                    Settings.Secure.ACCESSIBILITY_SCRIPT_INJECTION, 0) == 1);
+            mToggleScriptInjectionPreference.setInjectionAllowed(scriptInjectionAllowed);
+        }
+    }
+
+    private void updateAllPreferences(boolean accessibilityEnabled) {
+        updateServicesPreferences(accessibilityEnabled);
+        updateSystemPreferences(accessibilityEnabled);
+    }
+
+    private void updateServicesPreferences(boolean accessibilityEnabled) {
+        // Since services category is auto generated we have to do a pass
+        // to generate it since services can come and go and then based on
+        // the global accessibility state to decided whether it is enabled.
+
+        // Generate.
         mServicesCategory.removeAll();
 
         AccessibilityManager accessibilityManager = AccessibilityManager.getInstance(getActivity());
@@ -271,17 +367,6 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
         List<AccessibilityServiceInfo> installedServices =
             accessibilityManager.getInstalledAccessibilityServiceList();
 
-        if (installedServices.isEmpty() && accessibilityManager.isEnabled()) {
-            // no service and accessibility is enabled => disable
-            Settings.Secure.putInt(getContentResolver(), Settings.Secure.ACCESSIBILITY_ENABLED, 0);
-            mToggleAccessibilitySwitch.setChecked(false);
-            mToggleAccessibilitySwitch.setEnabled(false);
-            // Notify user that they do not have any accessibility
-            // services installed and direct them to Market to get TalkBack.
-            showDialog(DIALOG_ID_NO_ACCESSIBILITY_SERVICES);
-            return;
-        }
-
         Set<ComponentName> enabledComponentNames = new HashSet<ComponentName>();
         String settingValue = Settings.Secure.getString(getContentResolver(),
                 Settings.Secure.ENABLED_ACCESSIBILITY_SERVICES);
@@ -317,12 +402,19 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
 
             preference.setOrder(i);
             preference.setFragment(ToggleAccessibilityServiceFragment.class.getName());
+            preference.setPersistent(true);
 
             Bundle extras = preference.getExtras();
             extras.putString(EXTRA_PREFERENCE_KEY, preference.getKey());
             extras.putBoolean(EXTRA_CHECKED, enabled);
             extras.putString(EXTRA_TITLE, title);
-            extras.putString(EXTRA_SUMMARY, info.getDescription());
+
+            String description = info.getDescription();
+            if (TextUtils.isEmpty(description)) {
+                description = getString(R.string.accessibility_service_default_description);
+            }
+            extras.putString(EXTRA_SUMMARY, description);
+
             extras.putString(EXTRA_WARNING_MESSAGE, getString(
                     R.string.accessibility_service_security_warning,
                     info.getResolveInfo().loadLabel(getPackageManager())));
@@ -338,69 +430,99 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
 
             mServicesCategory.addPreference(preference);
         }
+
+        // Update enabled state.
+        mServicesCategory.setEnabled(accessibilityEnabled);
     }
 
-    public void updateSystemPreferences() {
+    private void updateSystemPreferences(boolean accessibilityEnabled) {
+        // The basic logic here is if accessibility is not enabled all accessibility
+        // settings will have no effect but still their selected state should be kept
+        // unchanged, so the user can see what settings will be enabled when turning
+        // on accessibility.
+
         // Large text.
+        mToggleLargeTextPreference.setEnabled(accessibilityEnabled);
+        if (accessibilityEnabled) {
+            mCurConfig.fontScale =
+                mToggleLargeTextPreference.isChecked() ? LARGE_FONT_SCALE : 1;
+        } else {
+            mCurConfig.fontScale = 1;
+        }
         try {
-            mCurConfig.updateFrom(ActivityManagerNative.getDefault().getConfiguration());
+            ActivityManagerNative.getDefault().updatePersistentConfiguration(mCurConfig);
         } catch (RemoteException re) {
             /* ignore */
         }
-        mToggleLargeTextPreference.setChecked(Float.compare(mCurConfig.fontScale,
-                LARGE_FONT_SCALE) == 0);
 
-        // Power button ends call.
+        // Power button ends calls.
-        if (KeyCharacterMap.deviceHasKey(KeyEvent.KEYCODE_POWER)
+        if (mTogglePowerButtonEndsCallPreference != null) {
-                && Utils.isVoiceCapable(getActivity())) {
+            mTogglePowerButtonEndsCallPreference.setEnabled(accessibilityEnabled);
-              final int incallPowerBehavior = Settings.Secure.getInt(getContentResolver(),
+            final int powerButtonEndsCall;
-                      Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
+            if (accessibilityEnabled) {
-                      Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_DEFAULT);
+                powerButtonEndsCall = mTogglePowerButtonEndsCallPreference.isChecked()
-              final boolean powerButtonEndsCall =
+                    ? Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP
-                  (incallPowerBehavior == Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP);
+                    : Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
-              mTogglePowerButtonEndsCallPreference.setChecked(powerButtonEndsCall);
+            } else {
-        } else {
+                powerButtonEndsCall = Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF;
-              getPreferenceScreen().removePreference(mTogglePowerButtonEndsCallPreference);
+            }
+            Settings.Secure.putInt(getContentResolver(),
+                    Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
+                    powerButtonEndsCall);
         }
 
         // Touch exploration enabled.
+        mToggleTouchExplorationPreference.setEnabled(accessibilityEnabled);
         final boolean touchExplorationEnabled = (Settings.Secure.getInt(getContentResolver(),
                 Settings.Secure.TOUCH_EXPLORATION_ENABLED, 0) == 1);
         if (touchExplorationEnabled) {
-            mTouchExplorationEnabledPreference.setSummary(
+            mToggleTouchExplorationPreference.setSummary(
                     getString(R.string.accessibility_service_state_on));
-            mTouchExplorationEnabledPreference.getExtras().putBoolean(EXTRA_CHECKED, true);
+            mToggleTouchExplorationPreference.getExtras().putBoolean(EXTRA_CHECKED, true);
         } else {
-            mTouchExplorationEnabledPreference.setSummary(
+            mToggleTouchExplorationPreference.setSummary(
                     getString(R.string.accessibility_service_state_off));
-            mTouchExplorationEnabledPreference.getExtras().putBoolean(EXTRA_CHECKED, false);
+            mToggleTouchExplorationPreference.getExtras().putBoolean(EXTRA_CHECKED, false);
         }
 
         // Long press timeout.
-        if (mLongPressTimeoutValuetoTitleMap.isEmpty()) {
+        mSelectLongPressTimeoutPreference.setEnabled(accessibilityEnabled);
-            String[] timeoutValues = getResources().getStringArray(
+        final int longPressTimeout;
-                    R.array.long_press_timeout_selector_values);
+        if (accessibilityEnabled) {
-            String[] timeoutTitles = getResources().getStringArray(
+            longPressTimeout = Integer.parseInt(mSelectLongPressTimeoutPreference.getValue());
-                    R.array.long_press_timeout_selector_titles);
+        } else {
-            final int timeoutValueCount = timeoutValues.length;
+            longPressTimeout = mLongPressTimeoutDefault;
-            for (int i = 0;i < timeoutValueCount; i++) {
-                mLongPressTimeoutValuetoTitleMap.put(timeoutValues[i], timeoutTitles[i]);
-            }
         }
-        String longPressTimeout = String.valueOf(Settings.Secure.getInt(getContentResolver(),
+        Settings.Secure.putInt(getContentResolver(), Settings.Secure.LONG_PRESS_TIMEOUT,
-                Settings.Secure.LONG_PRESS_TIMEOUT, 0));
+                longPressTimeout);
-        mSelectLongPressTimeoutPreference.setSummary(
+        String value = mSelectLongPressTimeoutPreference.getValue();
-                mLongPressTimeoutValuetoTitleMap.get(longPressTimeout));
+        mSelectLongPressTimeoutPreference.setSummary(mLongPressTimeoutValuetoTitleMap.get(value));
 
         // Script injection.
-        final boolean scriptInjectionAllowed = (Settings.Secure.getInt(getContentResolver(),
+        mToggleScriptInjectionPreference.setEnabled(accessibilityEnabled);
-                Settings.Secure.ACCESSIBILITY_SCRIPT_INJECTION, 0) == 1);
+        final boolean scriptInjectionAllowed;
-        if (scriptInjectionAllowed) {
+        if (accessibilityEnabled) {
-            mToggleScriptInjectionPreference.setSummary(
+            scriptInjectionAllowed = mToggleScriptInjectionPreference.isInjectionAllowed();
-                    getString(R.string.accessibility_script_injection_allowed));
         } else {
-            mToggleScriptInjectionPreference.setSummary(
+            scriptInjectionAllowed = false;
-                    getString(R.string.accessibility_script_injection_disallowed));
+        }
+        Settings.Secure.putInt(getContentResolver(), Settings.Secure.ACCESSIBILITY_SCRIPT_INJECTION,
+                scriptInjectionAllowed ? 1 : 0);
+    }
+
+    private void offerInstallAccessibilitySerivceOnce() {
+        if (mServicesCategory.getPreferenceCount() > 0) {
+            return;
+        }
+        SharedPreferences preferences = getActivity().getPreferences(Context.MODE_PRIVATE);
+        final boolean offerInstallService = !preferences.getBoolean(
+                KEY_INSTALL_ACCESSIBILITY_SERVICE_OFFERED_ONCE, false);
+        if (offerInstallService) {
+            preferences.edit().putBoolean(KEY_INSTALL_ACCESSIBILITY_SERVICE_OFFERED_ONCE,
+                    true).commit();
+            // Notify user that they do not have any accessibility
+            // services installed and direct them to Market to get TalkBack.
+            showDialog(DIALOG_ID_NO_ACCESSIBILITY_SERVICES);
         }
     }
 
@@ -409,48 +531,29 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
         switch (dialogId) {
             case DIALOG_ID_DISABLE_ACCESSIBILITY:
                 return (new AlertDialog.Builder(getActivity()))
-                    .setTitle(android.R.string.dialog_alert_title)
+                    .setTitle(R.string.accessibility_disable_warning_title)
                     .setIcon(android.R.drawable.ic_dialog_alert)
                     .setMessage(getResources().
-                            getString(R.string.accessibility_service_disable_warning))
+                            getString(R.string.accessibility_disable_warning_summary))
                     .setCancelable(true)
                     .setPositiveButton(android.R.string.ok,
                         new DialogInterface.OnClickListener() {
                             public void onClick(DialogInterface dialog, int which) {
                                 Settings.Secure.putInt(getContentResolver(),
                                     Settings.Secure.ACCESSIBILITY_ENABLED, 0);
-                                mToggleAccessibilitySwitch.setCheckedNoBeforeCheckedChangeListener(
+                                mToggleAccessibilitySwitch.setCheckedInternal(
                                         false);
-                                updatePreferencesForAccessibilityState();
+                                updateAllPreferences(false);
                             }
                     })
                     .setNegativeButton(android.R.string.cancel,
                         new DialogInterface.OnClickListener() {
                             public void onClick(DialogInterface dialog, int which) {
-                                mToggleAccessibilitySwitch.setCheckedNoBeforeCheckedChangeListener(
+                                mToggleAccessibilitySwitch.setCheckedInternal(
                                         true);
                             }
                         })
                     .create();
-            case DIALOG_ID_ENABLE_SCRIPT_INJECTION:
-                return new AlertDialog.Builder(getActivity())
-                .setTitle(android.R.string.dialog_alert_title)
-                .setIcon(android.R.drawable.ic_dialog_alert)
-                .setMessage(getActivity().getString(
-                        R.string.accessibility_script_injection_security_warning))
-                .setCancelable(true)
-                .setPositiveButton(R.string.accessibility_script_injection_button_allow,
-                    new DialogInterface.OnClickListener() {
-                        public void onClick(DialogInterface dialog, int which) {
-                            Settings.Secure.putInt(getContentResolver(),
-                            Settings.Secure.ACCESSIBILITY_SCRIPT_INJECTION, 1);
-                            mToggleScriptInjectionPreference.setSummary(
-                                    getString(R.string.accessibility_script_injection_allowed));
-                        }
-                })
-
-                .setNegativeButton(R.string.accessibility_script_injection_button_disallow, null)
-                .create();
             case DIALOG_ID_NO_ACCESSIBILITY_SERVICES:
                 return new AlertDialog.Builder(getActivity())
                     .setTitle(R.string.accessibility_service_no_apps_title)
@@ -461,9 +564,10 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
                                 // dismiss the dialog before launching the activity otherwise
                                 // the dialog removal occurs after onSaveInstanceState which
                                 // triggers an exception
-                                dialog.dismiss();
+                                removeDialog(DIALOG_ID_NO_ACCESSIBILITY_SERVICES);
                                 String screenreaderMarketLink = SystemProperties.get(
-                                    "ro.screenreader.market", DEFAULT_SCREENREADER_MARKET_LINK);
+                                        SYSTEM_PROPERTY_MARKET_URL,
+                                        DEFAULT_SCREENREADER_MARKET_LINK);
                                 Uri marketUri = Uri.parse(screenreaderMarketLink);
                                 Intent marketIntent = new Intent(Intent.ACTION_VIEW, marketUri);
                                 startActivity(marketIntent);
@@ -503,7 +607,7 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
         }
     }
 
-    private static ToggleSwitch createActionBarToggleSwitch(Activity activity) {
+    private static ToggleSwitch createAndAddActionBarToggleSwitch(Activity activity) {
         ToggleSwitch toggleSwitch = new ToggleSwitch(activity);
         final int padding = activity.getResources().getDimensionPixelSize(
                 R.dimen.action_bar_switch_padding);
@@ -542,7 +646,7 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
             super.setChecked(checked);
         }
 
-        public void setCheckedNoBeforeCheckedChangeListener(boolean checked) {
+        public void setCheckedInternal(boolean checked) {
             super.setChecked(checked);
         }
     }
@@ -590,6 +694,17 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
         public void onPreferenceToggled(String preferenceKey, boolean enabled) {
             Settings.Secure.putInt(getContentResolver(),
                     Settings.Secure.TOUCH_EXPLORATION_ENABLED, enabled ? 1 : 0);
+            if (enabled) {
+                SharedPreferences preferences = getActivity().getPreferences(Context.MODE_PRIVATE);
+                final boolean launchAccessibilityTutorial = !preferences.getBoolean(
+                        KEY_ACCESSIBILITY_TUTORIAL_LAUNCHED_ONCE, false);
+                if (launchAccessibilityTutorial) {
+                    preferences.edit().putBoolean(KEY_ACCESSIBILITY_TUTORIAL_LAUNCHED_ONCE,
+                            true).commit();
+                    Intent intent = new Intent(AccessibilityTutorialActivity.ACTION);
+                    getActivity().startActivity(intent);
+                }
+            }
         }
     }
 
@@ -608,14 +723,9 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
         private CharSequence mSettingsTitle;
         private Intent mSettingsIntent;
 
-        @Override
+        // TODO: Showing sub-sub fragment does not handle the activity title
-        public void onActivityCreated(Bundle savedInstanceState) {
+        //       so we do it but this is wrong. Do a real fix when there is time.
-            installActionBarToggleSwitch();
+        private CharSequence mOldActivityTitle;
-            processArguments();
-            getListView().setDivider(null);
-            getListView().setEnabled(false);
-            super.onActivityCreated(savedInstanceState);
-        }
 
         @Override
         public void onCreate(Bundle savedInstanceState) {
@@ -629,6 +739,22 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
                     super.onBindView(view);
                     TextView summaryView = (TextView) view.findViewById(R.id.summary);
                     summaryView.setText(getSummary());
+                    sendAccessibilityEvent(summaryView);
+                }
+
+                private void sendAccessibilityEvent(View view) {
+                    // Since the view is still not attached we create, populate,
+                    // and send the event directly since we do not know when it
+                    // will be attached and posting commands is not as clean.
+                    AccessibilityManager accessibilityManager =
+                        AccessibilityManager.getInstance(getActivity());
+                    if (accessibilityManager.isEnabled()) {
+                        AccessibilityEvent event = AccessibilityEvent.obtain();
+                        event.setEventType(AccessibilityEvent.TYPE_VIEW_FOCUSED);
+                        view.onInitializeAccessibilityEvent(event);
+                        view.dispatchPopulateAccessibilityEvent(event);
+                        accessibilityManager.sendAccessibilityEvent(event);
+                    }
                 }
             };
             mSummaryPreference.setPersistent(false);
@@ -636,13 +762,31 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
             preferenceScreen.addPreference(mSummaryPreference);
         }
 
+        @Override
+        public void onViewCreated(View view, Bundle savedInstanceState) {
+            super.onViewCreated(view, savedInstanceState);
+            installActionBarToggleSwitch();
+            processArguments();
+            getListView().setDivider(null);
+            getListView().setEnabled(false);
+        }
+
+        @Override
+        public void onDestroyView() {
+            getActivity().getActionBar().setCustomView(null);
+            if (mOldActivityTitle != null) {
+                getActivity().getActionBar().setTitle(mOldActivityTitle);
+            }
+            super.onDestroyView();
+        }
+
         public abstract void onPreferenceToggled(String preferenceKey, boolean value);
 
         @Override
         public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
             super.onCreateOptionsMenu(menu, inflater);
             MenuItem menuItem = menu.add(mSettingsTitle);
-            menuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS);
+            menuItem.setShowAsAction(MenuItem.SHOW_AS_ACTION_NEVER);
             menuItem.setIntent(mSettingsIntent);
         }
 
@@ -668,7 +812,7 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
             switch (which) {
                 case DialogInterface.BUTTON_POSITIVE:
                     // OK, we got the user consent so set checked.
-                    mToggleSwitch.setCheckedNoBeforeCheckedChangeListener(true);
+                    mToggleSwitch.setCheckedInternal(true);
                     onPreferenceToggled(mPreferenceKey, true);
                     break;
                 case DialogInterface.BUTTON_NEGATIVE:
@@ -680,13 +824,13 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
         }
 
         private void installActionBarToggleSwitch() {
-            mToggleSwitch = createActionBarToggleSwitch(getActivity());
+            mToggleSwitch = createAndAddActionBarToggleSwitch(getActivity());
             mToggleSwitch.setOnBeforeCheckedChangeListener(new OnBeforeCheckedChangeListener() {
                 @Override
                 public boolean onBeforeCheckedChanged(ToggleSwitch toggleSwitch, boolean checked) {
                     if (checked) {
                         if (!TextUtils.isEmpty(mWarningMessage)) {
-                            toggleSwitch.setCheckedNoBeforeCheckedChangeListener(false);
+                            toggleSwitch.setCheckedInternal(false);
                             showDialog(DIALOG_ID_WARNING);
                             return true;
                         }
@@ -707,11 +851,15 @@ public class AccessibilitySettings extends SettingsPreferenceFragment implements
 
             // Enabled.
             final boolean enabled = arguments.getBoolean(EXTRA_CHECKED);
-            mToggleSwitch.setCheckedNoBeforeCheckedChangeListener(enabled);
+            mToggleSwitch.setCheckedInternal(enabled);
 
             // Title.
-            String title = arguments.getString(EXTRA_TITLE);
+            PreferenceActivity activity = (PreferenceActivity) getActivity();
-            getActivity().getActionBar().setTitle(arguments.getCharSequence(EXTRA_TITLE));
+            if (!activity.onIsMultiPane() || activity.onIsHidingHeaders()) {
+                mOldActivityTitle = getActivity().getTitle();
+                String title = arguments.getString(EXTRA_TITLE);
+                getActivity().getActionBar().setTitle(arguments.getCharSequence(EXTRA_TITLE));
+            }
 
             // Summary.
             String summary = arguments.getString(EXTRA_SUMMARY);

src/com/android/settings/AccessibilityTutorialActivity.java

@@ -47,6 +47,8 @@ import android.widget.ListView;
 import android.widget.TextView;
 import android.widget.ViewAnimator;
 
+import com.android.settings.R;
+
 import java.util.List;
 
 /**
@@ -54,6 +56,10 @@ import java.util.List;
  * available in Touch Exploration.
  */
 public class AccessibilityTutorialActivity extends Activity {
+
+    /** Intent action for launching this activity. */
+    public static final String ACTION = "android.settings.ACCESSIBILITY_TUTORIAL";
+
     /** Instance state saving constant for the active module. */
     private static final String KEY_ACTIVE_MODULE = "active_module";