diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 62ca8fc..3cf1520 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1227,18 +1227,6 @@
                 android:value="com.android.settings.nfc.AndroidBeam" />
         </activity>
 
-        <!-- Accessibility tutorial -->
-        <activity android:name="AccessibilityTutorialActivity"
-                android:label="@string/accessibility_tutorial_title"
-                android:configChanges="orientation"
-                android:immersive="true"
-                android:theme="@style/Theme.AccessibilityTutorialActivity">
-            <intent-filter>
-                <action android:name="android.settings.ACCESSIBILITY_TUTORIAL" />
-                <category android:name="android.intent.category.DEFAULT" />
-            </intent-filter>
-        </activity>
-
 
 
 
diff --git a/res/layout-sw600dp/accessibility_tutorial_container.xml b/res/layout-sw600dp/accessibility_tutorial_container.xml
deleted file mode 100644
index f5da706..0000000
--- a/res/layout-sw600dp/accessibility_tutorial_container.xml
+++ /dev/null
@@ -1,124 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- 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.
--->
-
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:layout_height="fill_parent"
-    android:layout_width="fill_parent"
-    android:orientation="vertical"
-    android:paddingTop="@dimen/screen_margin_top"
-    android:paddingLeft="@dimen/screen_margin_sides"
-    android:paddingRight="@dimen/screen_margin_sides"
-    android:paddingBottom="@dimen/screen_margin_bottom">
-
-    <TextView
-        android:id="@+id/title"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:minHeight="@dimen/title_height"
-        android:layout_marginLeft="@dimen/content_margin_left"
-        android:textAppearance="@style/AccessibilityTutorialTitle"
-        android:gravity="bottom"
-        android:clickable="false" />
-
-    <View
-        android:layout_marginTop="8dip"
-        android:layout_marginBottom="8dip"
-        android:layout_below="@id/title"
-        style="@style/AccessibilityTutorialDivider" />
-
-    <LinearLayout
-        android:id="@+id/content"
-        android:layout_width="match_parent"
-        android:layout_height="0dip"
-        android:layout_weight="1.0"
-        android:orientation="vertical">
-
-    </LinearLayout>
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="vertical">
-
-        <View
-            style="@style/AccessibilityTutorialDivider" />
-
-        <view
-            class="com.android.settings.AccessibilityTutorialActivity$TutorialTextView"
-            android:id="@+id/instructions"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginTop="@dimen/description_margin_top"
-            android:layout_marginLeft="@dimen/description_margin_sides"
-            android:layout_marginRight="@dimen/description_margin_sides"
-            android:layout_marginBottom="16dip"
-            android:lineSpacingExtra="5sp"
-            android:textAppearance="?android:attr/textAppearanceMedium" />
-
-    </LinearLayout>
-
-    <LinearLayout
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:orientation="vertical">
-
-        <View
-            android:layout_marginBottom="16dip"
-            style="@style/AccessibilityTutorialDivider" />
-
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="horizontal">
-
-            <Button
-                android:id="@+id/skip_button"
-                style="@style/AccessibilityTutorialButton"
-                android:text="@string/accessibility_tutorial_skip"
-                android:visibility="gone" />
-
-            <LinearLayout
-                android:layout_width="fill_parent"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal"
-                android:gravity="right">
-
-                <Button
-                    android:id="@+id/back_button"
-                    style="@style/AccessibilityTutorialButton"
-                    android:text="@string/accessibility_tutorial_back"
-                    android:visibility="gone" />
-
-                <Button
-                    android:id="@+id/next_button"
-                    style="@style/AccessibilityTutorialButton"
-                    android:text="@string/accessibility_tutorial_next"
-                    android:visibility="gone" />
-
-                <Button
-                    android:id="@id/finish_button"
-                    style="@style/AccessibilityTutorialButton"
-                    android:text="@string/accessibility_tutorial_finish"
-                    android:visibility="gone" />
-
-            </LinearLayout>
-
-        </LinearLayout>
-
-    </LinearLayout>
-
-</LinearLayout>
\ No newline at end of file
diff --git a/res/layout/accessibility_tutorial_1.xml b/res/layout/accessibility_tutorial_1.xml
deleted file mode 100644
index b2bb40d..0000000
--- a/res/layout/accessibility_tutorial_1.xml
+++ /dev/null
@@ -1,26 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- 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.
--->
-
-<GridView
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/all_apps"
-    android:layout_width="fill_parent"
-    android:layout_height="fill_parent"
-    android:columnWidth="96dip"
-    android:numColumns="auto_fit"
-    android:verticalSpacing="10dip"
-    android:horizontalSpacing="20dip"
-    android:stretchMode="columnWidth" />
\ No newline at end of file
diff --git a/res/layout/accessibility_tutorial_2.xml b/res/layout/accessibility_tutorial_2.xml
deleted file mode 100644
index 5f9c69d..0000000
--- a/res/layout/accessibility_tutorial_2.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- 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.
--->
-
-<ListView
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/list_view"
-    android:layout_width="fill_parent"
-    android:layout_height="fill_parent" />
\ No newline at end of file
diff --git a/res/layout/accessibility_tutorial_app_icon.xml b/res/layout/accessibility_tutorial_app_icon.xml
deleted file mode 100644
index fe8399e..0000000
--- a/res/layout/accessibility_tutorial_app_icon.xml
+++ /dev/null
@@ -1,20 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- 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.
--->
-
-<TextView
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/app_icon"
-    style="@style/AccessibilityTutorialIcon" />
\ No newline at end of file
diff --git a/res/layout/accessibility_tutorial_container.xml b/res/layout/accessibility_tutorial_container.xml
deleted file mode 100644
index 6566cff..0000000
--- a/res/layout/accessibility_tutorial_container.xml
+++ /dev/null
@@ -1,94 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- 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.
--->
-
-<LinearLayout
-    xmlns:android="http://schemas.android.com/apk/res/android"
-    android:orientation="vertical"
-    android:layout_height="fill_parent"
-    android:layout_width="fill_parent">
-
-    <LinearLayout
-        android:id="@+id/content"
-        android:orientation="vertical"
-        android:layout_height="0dip"
-        android:layout_width="fill_parent"
-        android:layout_weight="1.0"
-        android:paddingLeft="15dip"
-        android:paddingRight="15dip">
-
-    </LinearLayout>
-
-    <LinearLayout
-        android:orientation="vertical"
-        android:layout_height="wrap_content"
-        android:layout_width="fill_parent"
-        android:paddingLeft="15dip"
-        android:paddingRight="15dip">
-
-        <View
-            android:layout_width="wrap_content"
-            android:layout_height="1dip"
-            android:layout_gravity="center"
-            android:background="@android:drawable/divider_horizontal_dark"
-            android:layout_marginBottom="8dip"
-            android:focusable="false"
-            android:clickable="false" />
-
-        <view
-            class="com.android.settings.AccessibilityTutorialActivity$TutorialTextView"
-            android:id="@+id/instructions"
-            android:layout_width="fill_parent"
-            android:layout_height="wrap_content"
-            android:layout_marginBottom="8dip"
-            android:textAppearance="@style/AccessibilityTutorialBodyTextPrimary" />
-
-    </LinearLayout>
-
-    <RelativeLayout
-        android:layout_height="wrap_content"
-        android:layout_width="fill_parent"
-        android:background="@android:drawable/bottom_bar">
-
-        <Button
-            android:id="@+id/skip_button"
-            style="@style/AccessibilityTutorialButton"
-            android:layout_alignParentLeft="true"
-            android:text="@string/accessibility_tutorial_skip"
-            android:visibility="gone" />
-
-        <Button
-            android:id="@+id/back_button"
-            style="@style/AccessibilityTutorialButton"
-            android:layout_alignParentLeft="true"
-            android:text="@string/accessibility_tutorial_back"
-            android:visibility="gone" />
-
-        <Button
-            android:id="@+id/next_button"
-            style="@style/AccessibilityTutorialButton"
-            android:layout_alignParentRight="true"
-            android:text="@string/accessibility_tutorial_next"
-            android:visibility="gone" />
-
-        <Button
-            android:id="@+id/finish_button"
-            style="@style/AccessibilityTutorialButton"
-            android:layout_alignParentRight="true"
-            android:text="@string/accessibility_tutorial_finish"
-            android:visibility="gone" />
-
-    </RelativeLayout>
-</LinearLayout>
\ No newline at end of file
diff --git a/res/values-sw600dp/dimens.xml b/res/values-sw600dp/dimens.xml
index aad21a0..e3c1bd2 100755
--- a/res/values-sw600dp/dimens.xml
+++ b/res/values-sw600dp/dimens.xml
@@ -21,7 +21,6 @@
     <dimen name="app_icon_size">72dip</dimen>
     <dimen name="screen_margin_top">48dip</dimen>
     <dimen name="screen_margin_bottom">48dip</dimen>
-    <dimen name="title_height">48dip</dimen>
     <dimen name="content_margin_left">16dip</dimen>
     <dimen name="description_margin_top">26dip</dimen>
     <dimen name="crypt_clock_size">120sp</dimen>
diff --git a/res/values-sw600dp/styles.xml b/res/values-sw600dp/styles.xml
index 3403f3e..058afb9 100644
--- a/res/values-sw600dp/styles.xml
+++ b/res/values-sw600dp/styles.xml
@@ -57,23 +57,4 @@
         <item name="android:textAppearance">?android:attr/textAppearanceMedium</item>
         <item name="android:textSize">20sp</item>
     </style>
-
-    <style name="AccessibilityTutorialTitle" parent="@android:style/TextAppearance.Large">
-        <item name="android:textColor">@color/title_color</item>
-    </style>
-
-    <style name="AccessibilityTutorialButton">
-        <item name="android:layout_width">wrap_content</item>
-        <item name="android:minWidth">208dip</item>
-        <item name="android:layout_height">48dip</item>
-        <item name="android:paddingTop">0dip</item>
-        <item name="android:paddingLeft">0dip</item>
-        <item name="android:paddingRight">0dip</item>
-        <item name="android:paddingBottom">0dip</item>
-        <item name="android:textAppearance">?android:attr/textAppearanceMedium</item>
-        <item name="android:textSize">20dip</item>
-    </style>
-
-    <style name="AccessibilityTutorialBodyTextPrimary" parent="@android:style/TextAppearance.Medium">
-    </style>
 </resources>
diff --git a/res/values-sw600dp/themes.xml b/res/values-sw600dp/themes.xml
deleted file mode 100644
index 22cf17e..0000000
--- a/res/values-sw600dp/themes.xml
+++ /dev/null
@@ -1,21 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!-- 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.
--->
-
-<resources>
-
-    <style name="Theme.AccessibilityTutorialActivity" parent="@android:style/Theme.Holo.NoActionBar">
-    </style>
-</resources>
diff --git a/res/values/dimens.xml b/res/values/dimens.xml
index f0587c3..49474fa 100755
--- a/res/values/dimens.xml
+++ b/res/values/dimens.xml
@@ -23,7 +23,6 @@
     <dimen name="screen_margin_sides">64dip</dimen>
     <dimen name="screen_margin_top">72dip</dimen>
     <dimen name="screen_margin_bottom">48dip</dimen>
-    <dimen name="title_height">48dip</dimen>
     <dimen name="content_margin_left">16dip</dimen>
     <dimen name="description_margin_top">26dip</dimen>
     <dimen name="description_margin_sides">40dip</dimen>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 0a23581..3c46b48 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2890,8 +2890,6 @@
 
     <!-- Title for accessibility menu item to lauch a settings activity. [CHAR LIMIT=15] -->
     <string name="accessibility_menu_item_settings">Settings</string>
-    <!-- Title for accessibility menu item to lauch a tutorial. [CHAR LIMIT=15] -->
-    <string name="accessibility_menu_item_tutorial">Tutorial</string>
 
     <!-- Summary for the enabled state of an accessiblity serivce. [CHAR LIMIT=10] -->
     <string name="accessibility_service_state_on">On</string>
@@ -3921,45 +3919,6 @@
     <!-- Alert dialog confirmation when removing a user CA certificate. -->
     <string name="trusted_credentials_remove_confirmation">Permanently remove the user CA certificate?</string>
 
-    <!-- Title for the touch exploration tutorial. [CHAR LIMIT=40] -->
-    <string name="accessibility_tutorial_title">Accessibility tutorial</string>
-    <!-- Button label to go to the next touch exploration tutorial lesson. [CHAR LIMIT=10] -->
-    <string name="accessibility_tutorial_next">Next</string>
-    <!-- Button label to go back to the previous touch explorationtutorial lesson. [CHAR LIMIT=10] -->
-    <string name="accessibility_tutorial_back">Back</string>
-    <!-- Button label to exit the touch explorationtutorial. [CHAR LIMIT=10] -->
-    <string name="accessibility_tutorial_finish">Finish</string>
-    <!-- Button label to skip the touch exploration tutorial. [CHAR LIMIT=10] -->
-    <string name="accessibility_tutorial_skip">Skip tutorial</string>
-
-    <!-- Title for touch exploration tutorial lesson 1. -->
-    <string name="accessibility_tutorial_lesson_1_title">Lesson 1: Exploring the screen</string>
-    <!-- Instruction for touch exploration tutorial lesson 1. "Explore by touch" should match the string for "Title for accessibility preference to enable touch exploration mode." -->
-    <string name="accessibility_tutorial_lesson_1_text_1">When Explore by Touch is turned on, you can touch the screen to learn what\’s under your finger. For example, the current screen contains app icons. Find one of them by touching the screen and sliding your finger around.</string>
-    <!-- Instruction for touch exploration tutorial lesson 1, displayed after the user touches one icon. -->
-    <string name="accessibility_tutorial_lesson_1_text_2_more">Good. Keep sliding your finger around the screen until you find at least one more icon.</string>
-    <!-- Instruction for touch exploration tutorial lesson 1, displayed after the user touches a second icon. -->
-    <string name="accessibility_tutorial_lesson_1_text_3">To activate something that you\’re touching, tap it. Slide your finger until you find the icon for the <xliff:g id="app_name" example="Browser">%s</xliff:g>. Then tap the icon once to activate it.</string>
-    <!-- Instruction for touch exploration tutorial lesson 1, displayed if the user touched the target area and stays inside it. -->
-    <string name="accessibility_tutorial_lesson_1_text_4">Your finger is touching the <xliff:g id="app_name" example="Browser">%s</xliff:g> icon. Tap once to activate the icon.</string>
-    <!-- Instruction for touch exploration tutorial lesson 1, displayed if the user touches inside the target area but moves outside. -->
-    <string name="accessibility_tutorial_lesson_1_text_4_exited">Your finger moved over the <xliff:g id="app_name" example="Browser">%s</xliff:g> icon, and then moved away. Slowly slide your finger around the screen until you find the Browser icon again.</string>
-    <!-- Instruction for touch exploration tutorial lesson 1, displayed after the user has tapped the target icon. -->
-    <string name="accessibility_tutorial_lesson_1_text_5">Good. To move to the next lesson, find and activate the <xliff:g id="next" example="Next">%s</xliff:g> button, located near the bottom-right corner of the screen.</string>
-
-    <!-- Title for touch exploration tutorial lesson 2. -->
-    <string name="accessibility_tutorial_lesson_2_title">Lesson 2: Scrolling using two fingers</string>
-    <!-- Instruction for touch exploration tutorial lesson 2. -->
-    <string name="accessibility_tutorial_lesson_2_text_1">To scroll through a list, you can slide two fingers along the screen. For example, the current screen contains a list of app names that can scroll up or down. First, try to identify a few items in the list by sliding one finger around.</string>
-    <!-- Instruction for touch exploration tutorial lesson 2, displayed after the user touches one list item. -->
-    <string name="accessibility_tutorial_lesson_2_text_2_more">Good. Keep sliding your finger around to find at least one more item.</string>
-    <!-- Instruction for touch exploration tutorial lesson 2, displayed after the user touches a second list item. -->
-    <string name="accessibility_tutorial_lesson_2_text_3">Now place two fingers on an item in the list and slide both fingers up. If you reach the top of the screen, lift your fingers, place them lower on the list, and continue sliding up.</string>
-    <!-- Instruction for touch exploration tutorial lesson 2, displayed after the user scrolls a small amount. -->
-    <string name="accessibility_tutorial_lesson_2_text_3_more">Good. Keep sliding your fingers up to scroll some more.</string>
-    <!-- Instruction for touch exploration tutorial lesson 2, displayed after the user has scrolled a large amount. -->
-    <string name="accessibility_tutorial_lesson_2_text_4">You have completed the tutorial. To exit, find and touch the <xliff:g id="finish" example="Finish">%s</xliff:g> button.</string>
-
     <!--  Title for spell checker settings -->
     <string name="spellcheckers_settings_title">Spell checker</string>
 
diff --git a/res/values/styles.xml b/res/values/styles.xml
index 2370683..9af6c9e 100644
--- a/res/values/styles.xml
+++ b/res/values/styles.xml
@@ -182,40 +182,6 @@
         <item name="android:widgetLayout">@layout/preference_inputmethod_widget</item>
     </style>
 
-    <style name="AccessibilityTutorialButton">
-        <item name="android:layout_width">150dip</item>
-        <item name="android:layout_height">wrap_content</item>
-        <item name="android:layout_margin">5dip</item>
-        <item name="android:drawablePadding">3dip</item>
-    </style>
-
-    <style name="AccessibilityTutorialDivider">
-        <item name="android:layout_width">match_parent</item>
-        <item name="android:layout_height">2dip</item>
-        <item name="android:gravity">fill_horizontal</item>
-        <item name="android:background">@color/divider_color</item>
-    </style>
-
-    <style name="AccessibilityTutorialTitle" parent="@android:style/TextAppearance.Large">
-        <item name="android:textColor">@color/title_color</item>
-    </style>
-
-    <style name="AccessibilityTutorialBodyTextPrimary" parent="@android:style/TextAppearance.Small">
-    </style>
-
-    <style name="AccessibilityTutorialIcon">
-        <item name="android:layout_width">96dip</item>
-        <item name="android:layout_height">96dip</item>
-        <item name="android:layout_gravity">center</item>
-        <item name="android:gravity">center_horizontal</item>
-        <item name="android:singleLine">true</item>
-        <item name="android:ellipsize">marquee</item>
-        <item name="android:textSize">12dip</item>
-        <item name="android:textColor">?android:attr/textColorPrimary</item>
-        <item name="android:shadowRadius">2.0</item>
-        <item name="android:shadowColor">#B0000000</item>
-    </style>
-
     <style name="TextAppearance.Switch" parent="@*android:style/TextAppearance.Holo.Widget.Switch">
         <item name="android:textAllCaps">true</item>
     </style>
diff --git a/res/values/themes.xml b/res/values/themes.xml
index 2103de1..b5f8f64 100644
--- a/res/values/themes.xml
+++ b/res/values/themes.xml
@@ -19,7 +19,4 @@
     <style name="Theme.WifiDialog" parent="@*android:style/Theme.Holo.Dialog.Alert">
         <item name="android:windowSoftInputMode">adjustResize</item>
     </style>
-
-    <style name="Theme.AccessibilityTutorialActivity" parent="@android:style/Theme.Holo">
-    </style>
 </resources>
diff --git a/src/com/android/settings/AccessibilityTutorialActivity.java b/src/com/android/settings/AccessibilityTutorialActivity.java
deleted file mode 100644
index 206aa94..0000000
--- a/src/com/android/settings/AccessibilityTutorialActivity.java
+++ /dev/null
@@ -1,698 +0,0 @@
-/*
- * Copyright (C) 2011 Google Inc.
- *
- * 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.app.Activity;
-import android.content.ContentResolver;
-import android.content.Context;
-import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.content.pm.ResolveInfo;
-import android.graphics.drawable.Drawable;
-import android.os.Bundle;
-import android.os.Handler;
-import android.os.Message;
-import android.provider.Settings;
-import android.util.AttributeSet;
-import android.view.LayoutInflater;
-import android.view.MotionEvent;
-import android.view.View;
-import android.view.View.OnClickListener;
-import android.view.ViewGroup;
-import android.view.accessibility.AccessibilityEvent;
-import android.view.accessibility.AccessibilityManager;
-import android.view.animation.Animation;
-import android.view.animation.Animation.AnimationListener;
-import android.view.animation.AnimationUtils;
-import android.widget.AbsListView;
-import android.widget.AdapterView;
-import android.widget.ArrayAdapter;
-import android.widget.Button;
-import android.widget.FrameLayout;
-import android.widget.GridView;
-import android.widget.ListView;
-import android.widget.TextView;
-import android.widget.ViewAnimator;
-
-import com.android.settings.R;
-
-import java.util.List;
-
-/**
- * This class provides a short tutorial that introduces the user to the features
- * 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";
-
-    /** The index of the module to show when first opening the tutorial. */
-    private static final int DEFAULT_MODULE = 0;
-
-    /** View animator for switching between modules. */
-    private ViewAnimator mViewAnimator;
-
-    private AccessibilityManager mAccessibilityManager;
-
-    /** Should touch exploration be disabled when this activity is paused? */
-    private boolean mDisableOnPause;
-
-    private final AnimationListener mInAnimationListener = new AnimationListener() {
-        @Override
-        public void onAnimationEnd(Animation animation) {
-            final int index = mViewAnimator.getDisplayedChild();
-            final TutorialModule module = (TutorialModule) mViewAnimator.getChildAt(index);
-
-            activateModule(module);
-        }
-
-        @Override
-        public void onAnimationRepeat(Animation animation) {
-            // Do nothing.
-        }
-
-        @Override
-        public void onAnimationStart(Animation animation) {
-            // Do nothing.
-        }
-    };
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        final Animation inAnimation = AnimationUtils.loadAnimation(this,
-                android.R.anim.slide_in_left);
-        inAnimation.setAnimationListener(mInAnimationListener);
-
-        final Animation outAnimation = AnimationUtils.loadAnimation(this,
-                android.R.anim.slide_in_left);
-
-        mViewAnimator = new ViewAnimator(this);
-        mViewAnimator.setInAnimation(inAnimation);
-        mViewAnimator.setOutAnimation(outAnimation);
-        mViewAnimator.addView(new TouchTutorialModule1(this, this));
-        mViewAnimator.addView(new TouchTutorialModule2(this, this));
-
-        setContentView(mViewAnimator);
-
-        mAccessibilityManager = (AccessibilityManager) getSystemService(ACCESSIBILITY_SERVICE);
-
-        if (savedInstanceState != null) {
-            show(savedInstanceState.getInt(KEY_ACTIVE_MODULE, DEFAULT_MODULE));
-        } else {
-            show(DEFAULT_MODULE);
-        }
-    }
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-
-        final ContentResolver cr = getContentResolver();
-
-        if (Settings.Secure.getInt(cr, Settings.Secure.TOUCH_EXPLORATION_ENABLED, 0) == 0) {
-            Settings.Secure.putInt(cr, Settings.Secure.TOUCH_EXPLORATION_ENABLED, 1);
-            mDisableOnPause = true;
-        } else {
-            mDisableOnPause = false;
-        }
-    }
-
-    @Override
-    protected void onPause() {
-        super.onPause();
-
-        if (mDisableOnPause) {
-            final ContentResolver cr = getContentResolver();
-            Settings.Secure.putInt(cr, Settings.Secure.TOUCH_EXPLORATION_ENABLED, 0);
-        }
-    }
-
-    @Override
-    protected void onSaveInstanceState(Bundle outState) {
-        super.onSaveInstanceState(outState);
-
-        outState.putInt(KEY_ACTIVE_MODULE, mViewAnimator.getDisplayedChild());
-    }
-
-    private void activateModule(TutorialModule module) {
-        module.activate();
-    }
-
-    private void deactivateModule(TutorialModule module) {
-        mAccessibilityManager.interrupt();
-        mViewAnimator.setOnKeyListener(null);
-        module.deactivate();
-    }
-
-    private void interrupt() {
-        mAccessibilityManager.interrupt();
-    }
-
-    private void next() {
-        show(mViewAnimator.getDisplayedChild() + 1);
-    }
-
-    private void previous() {
-        show(mViewAnimator.getDisplayedChild() - 1);
-    }
-
-    private void show(int which) {
-        if ((which < 0) || (which >= mViewAnimator.getChildCount())) {
-            return;
-        }
-
-        mAccessibilityManager.interrupt();
-
-        final int displayedIndex = mViewAnimator.getDisplayedChild();
-        final TutorialModule displayedView = (TutorialModule) mViewAnimator.getChildAt(
-                displayedIndex);
-        deactivateModule(displayedView);
-
-        mViewAnimator.setDisplayedChild(which);
-    }
-
-    /**
-     * Loads application labels and icons.
-     */
-    private static class AppsAdapter extends ArrayAdapter<ResolveInfo> {
-        protected final int mTextViewResourceId;
-
-        private final int mIconSize;
-        private final View.OnHoverListener mDefaultHoverListener;
-
-        private View.OnHoverListener mHoverListener;
-
-        public AppsAdapter(Context context, int resource, int textViewResourceId) {
-            super(context, resource, textViewResourceId);
-
-            mIconSize = context.getResources().getDimensionPixelSize(R.dimen.app_icon_size);
-            mTextViewResourceId = textViewResourceId;
-            mDefaultHoverListener = new View.OnHoverListener() {
-                @Override
-                public boolean onHover(View v, MotionEvent event) {
-                    if (mHoverListener != null) {
-                        return mHoverListener.onHover(v, event);
-                    } else {
-                        return false;
-                    }
-                }
-            };
-
-            loadAllApps();
-        }
-
-        public CharSequence getLabel(int position) {
-            final PackageManager packageManager = getContext().getPackageManager();
-            final ResolveInfo appInfo = getItem(position);
-            return appInfo.loadLabel(packageManager);
-        }
-
-        @Override
-        public View getView(int position, View convertView, ViewGroup parent) {
-            final PackageManager packageManager = getContext().getPackageManager();
-            final View view = super.getView(position, convertView, parent);
-            view.setOnHoverListener(mDefaultHoverListener);
-            view.setTag(position);
-
-            final ResolveInfo appInfo = getItem(position);
-            final CharSequence label = appInfo.loadLabel(packageManager);
-            final Drawable icon = appInfo.loadIcon(packageManager);
-            final TextView text = (TextView) view.findViewById(mTextViewResourceId);
-
-            icon.setBounds(0, 0, mIconSize, mIconSize);
-
-            populateView(text, label, icon);
-
-            return view;
-        }
-
-        private void loadAllApps() {
-            final Intent mainIntent = new Intent(Intent.ACTION_MAIN, null);
-            mainIntent.addCategory(Intent.CATEGORY_LAUNCHER);
-
-            final PackageManager pm = getContext().getPackageManager();
-            final List<ResolveInfo> apps = pm.queryIntentActivities(mainIntent, 0);
-
-            addAll(apps);
-        }
-
-        protected void populateView(TextView text, CharSequence label, Drawable icon) {
-            text.setText(label);
-            text.setCompoundDrawables(null, icon, null, null);
-        }
-
-        public void setOnHoverListener(View.OnHoverListener hoverListener) {
-            mHoverListener = hoverListener;
-        }
-    }
-
-    /**
-     * Introduces using a finger to explore and interact with on-screen content.
-     */
-    private static class TouchTutorialModule1 extends TutorialModule implements
-            View.OnHoverListener, AdapterView.OnItemClickListener {
-        /**
-         * Handles the case where the user overshoots the target area.
-         */
-        private class HoverTargetHandler extends Handler {
-            private static final int MSG_ENTERED_TARGET = 1;
-            private static final int DELAY_ENTERED_TARGET = 500;
-
-            private boolean mInsideTarget = false;
-
-            public void enteredTarget() {
-                mInsideTarget = true;
-                mHandler.sendEmptyMessageDelayed(MSG_ENTERED_TARGET, DELAY_ENTERED_TARGET);
-            }
-
-            public void exitedTarget() {
-                mInsideTarget = false;
-            }
-
-            @Override
-            public void handleMessage(Message msg) {
-                switch (msg.what) {
-                    case MSG_ENTERED_TARGET:
-                        if (mInsideTarget) {
-                            addInstruction(R.string.accessibility_tutorial_lesson_1_text_4,
-                                    mTargetName);
-                        } else {
-                            addInstruction(R.string.accessibility_tutorial_lesson_1_text_4_exited,
-                                    mTargetName);
-                            setFlag(FLAG_TOUCHED_TARGET, false);
-                        }
-                        break;
-                }
-            }
-        }
-
-        private static final int FLAG_TOUCH_ITEMS = 0x1;
-        private static final int FLAG_TOUCHED_ITEMS = 0x2;
-        private static final int FLAG_TOUCHED_TARGET = 0x4;
-        private static final int FLAG_TAPPED_TARGET = 0x8;
-
-        private static final int MORE_EXPLORED_COUNT = 1;
-        private static final int DONE_EXPLORED_COUNT = 2;
-
-        private final HoverTargetHandler mHandler;
-        private final AppsAdapter mAppsAdapter;
-        private final GridView mAllApps;
-
-        private int mTouched = 0;
-
-        private int mTargetPosition;
-        private CharSequence mTargetName;
-
-        public TouchTutorialModule1(Context context, AccessibilityTutorialActivity controller) {
-            super(context, controller, R.layout.accessibility_tutorial_1,
-                    R.string.accessibility_tutorial_lesson_1_title);
-
-            mHandler = new HoverTargetHandler();
-
-            mAppsAdapter = new AppsAdapter(context, R.layout.accessibility_tutorial_app_icon,
-                    R.id.app_icon);
-            mAppsAdapter.setOnHoverListener(this);
-
-            mAllApps = (GridView) findViewById(R.id.all_apps);
-            mAllApps.setAdapter(mAppsAdapter);
-            mAllApps.setOnItemClickListener(this);
-
-            findViewById(R.id.next_button).setOnHoverListener(this);
-
-            setSkipVisible(true);
-        }
-
-        @Override
-        public boolean onHover(View v, MotionEvent event) {
-            switch (v.getId()) {
-                case R.id.app_icon:
-                    if (hasFlag(FLAG_TOUCH_ITEMS) && !hasFlag(FLAG_TOUCHED_ITEMS) && v.isEnabled()
-                            && (event.getAction() == MotionEvent.ACTION_HOVER_ENTER)) {
-                        mTouched++;
-
-                        if (mTouched >= DONE_EXPLORED_COUNT) {
-                            setFlag(FLAG_TOUCHED_ITEMS, true);
-                            addInstruction(R.string.accessibility_tutorial_lesson_1_text_3,
-                                    mTargetName);
-                        } else if (mTouched == MORE_EXPLORED_COUNT) {
-                            addInstruction(R.string.accessibility_tutorial_lesson_1_text_2_more);
-                        }
-
-                        v.setEnabled(false);
-                    } else if (hasFlag(FLAG_TOUCHED_ITEMS)
-                            && ((Integer) v.getTag() == mTargetPosition)) {
-                        if (!hasFlag(FLAG_TOUCHED_TARGET)
-                                && (event.getAction() == MotionEvent.ACTION_HOVER_ENTER)) {
-                            mHandler.enteredTarget();
-                            setFlag(FLAG_TOUCHED_TARGET, true);
-                        } else if (event.getAction() == MotionEvent.ACTION_HOVER_EXIT) {
-                            mHandler.exitedTarget();
-                        }
-                    }
-                    break;
-            }
-
-            return false;
-        }
-
-        @Override
-        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
-            if (hasFlag(FLAG_TOUCHED_TARGET) && !hasFlag(FLAG_TAPPED_TARGET)
-                    && (position == mTargetPosition)) {
-                setFlag(FLAG_TAPPED_TARGET, true);
-                final CharSequence nextText = getContext().getText(
-                        R.string.accessibility_tutorial_next);
-                addInstruction(R.string.accessibility_tutorial_lesson_1_text_5, nextText);
-                setNextVisible(true);
-            }
-        }
-
-        @Override
-        public void onShown() {
-            final int first = mAllApps.getFirstVisiblePosition();
-            final int last = mAllApps.getLastVisiblePosition();
-
-            mTargetPosition = 0;
-            mTargetName = mAppsAdapter.getLabel(mTargetPosition);
-
-            addInstruction(R.string.accessibility_tutorial_lesson_1_text_1);
-            setFlag(FLAG_TOUCH_ITEMS, true);
-        }
-    }
-
-    /**
-     * Introduces using two fingers to scroll through a list.
-     */
-    private static class TouchTutorialModule2 extends TutorialModule implements
-            AbsListView.OnScrollListener, View.OnHoverListener {
-        private static final int FLAG_EXPLORE_LIST = 0x1;
-        private static final int FLAG_SCROLL_LIST = 0x2;
-        private static final int FLAG_COMPLETED_TUTORIAL = 0x4;
-
-        private static final int MORE_EXPLORE_COUNT = 1;
-        private static final int DONE_EXPLORE_COUNT = 2;
-        private static final int MORE_SCROLL_COUNT = 2;
-        private static final int DONE_SCROLL_COUNT = 4;
-
-        private final AppsAdapter mAppsAdapter;
-
-        private int mExploreCount = 0;
-        private int mInitialVisibleItem = -1;
-        private int mScrollCount = 0;
-
-        public TouchTutorialModule2(Context context, AccessibilityTutorialActivity controller) {
-            super(context, controller, R.layout.accessibility_tutorial_2,
-                    R.string.accessibility_tutorial_lesson_2_title);
-
-            mAppsAdapter = new AppsAdapter(context, android.R.layout.simple_list_item_1,
-                    android.R.id.text1) {
-                @Override
-                protected void populateView(TextView text, CharSequence label, Drawable icon) {
-                    text.setText(label);
-                    text.setCompoundDrawables(icon, null, null, null);
-                }
-            };
-            mAppsAdapter.setOnHoverListener(this);
-
-            ((ListView) findViewById(R.id.list_view)).setAdapter(mAppsAdapter);
-            ((ListView) findViewById(R.id.list_view)).setOnScrollListener(this);
-
-            setBackVisible(true);
-        }
-
-        @Override
-        public boolean onHover(View v, MotionEvent e) {
-            if (e.getAction() != MotionEvent.ACTION_HOVER_ENTER) {
-                return false;
-            }
-
-            switch (v.getId()) {
-                case android.R.id.text1:
-                    if (hasFlag(FLAG_EXPLORE_LIST) && !hasFlag(FLAG_SCROLL_LIST)) {
-                        mExploreCount++;
-
-                        if (mExploreCount >= DONE_EXPLORE_COUNT) {
-                            addInstruction(R.string.accessibility_tutorial_lesson_2_text_3);
-                            setFlag(FLAG_SCROLL_LIST, true);
-                        } else if (mExploreCount == MORE_EXPLORE_COUNT) {
-                            addInstruction(R.string.accessibility_tutorial_lesson_2_text_2_more);
-                        }
-                    }
-                    break;
-            }
-
-            return false;
-        }
-
-        @Override
-        public void onScroll(AbsListView view, int firstVisibleItem, int visibleItemCount,
-                int totalItemCount) {
-            if (hasFlag(FLAG_SCROLL_LIST) && !hasFlag(FLAG_COMPLETED_TUTORIAL)) {
-                if (mInitialVisibleItem < 0) {
-                    mInitialVisibleItem = firstVisibleItem;
-                }
-
-                final int scrollCount = Math.abs(mInitialVisibleItem - firstVisibleItem);
-
-                if ((mScrollCount == scrollCount) || (scrollCount <= 0)) {
-                    return;
-                } else {
-                    mScrollCount = scrollCount;
-                }
-
-                if (mScrollCount >= DONE_SCROLL_COUNT) {
-                    final CharSequence finishText = getContext().getText(
-                            R.string.accessibility_tutorial_finish);
-                    addInstruction(R.string.accessibility_tutorial_lesson_2_text_4, finishText);
-                    setFlag(FLAG_COMPLETED_TUTORIAL, true);
-                    setFinishVisible(true);
-                } else if (mScrollCount == MORE_SCROLL_COUNT) {
-                    addInstruction(R.string.accessibility_tutorial_lesson_2_text_3_more);
-                }
-            }
-        }
-
-        @Override
-        public void onScrollStateChanged(AbsListView view, int scrollState) {
-            // Do nothing.
-        }
-
-        @Override
-        public void onShown() {
-            addInstruction(R.string.accessibility_tutorial_lesson_2_text_1);
-            setFlag(FLAG_EXPLORE_LIST, true);
-        }
-    }
-
-    /**
-     * Abstract class that represents a single module within a tutorial.
-     */
-    private static abstract class TutorialModule extends FrameLayout implements OnClickListener {
-        private final AccessibilityTutorialActivity mController;
-        private final TextView mInstructions;
-        private final Button mSkip;
-        private final Button mBack;
-        private final Button mNext;
-        private final Button mFinish;
-        private final int mTitleResId;
-
-        /** Which bit flags have been set. */
-        private long mFlags;
-
-        /** Whether this module is currently focused. */
-        private boolean mIsVisible;
-
-        /** Handler for sending accessibility events after the current UI action. */
-        private InstructionHandler mHandler = new InstructionHandler();
-
-        /**
-         * Constructs a new tutorial module for the given context and controller
-         * with the specified layout.
-         *
-         * @param context The parent context.
-         * @param controller The parent tutorial controller.
-         * @param layoutResId The layout to use for this module.
-         */
-        public TutorialModule(Context context, AccessibilityTutorialActivity controller,
-                int layoutResId, int titleResId) {
-            super(context);
-
-            mController = controller;
-            mTitleResId = titleResId;
-
-            final View container = LayoutInflater.from(context).inflate(
-                    R.layout.accessibility_tutorial_container, this, true);
-
-            mInstructions = (TextView) container.findViewById(R.id.instructions);
-            mSkip = (Button) container.findViewById(R.id.skip_button);
-            mSkip.setOnClickListener(this);
-            mBack = (Button) container.findViewById(R.id.back_button);
-            mBack.setOnClickListener(this);
-            mNext = (Button) container.findViewById(R.id.next_button);
-            mNext.setOnClickListener(this);
-            mFinish = (Button) container.findViewById(R.id.finish_button);
-            mFinish.setOnClickListener(this);
-
-            final TextView title = (TextView) container.findViewById(R.id.title);
-
-            if (title != null) {
-                title.setText(titleResId);
-            }
-
-            final ViewGroup contentHolder = (ViewGroup) container.findViewById(R.id.content);
-            LayoutInflater.from(context).inflate(layoutResId, contentHolder, true);
-        }
-
-        /**
-         * Called when this tutorial gains focus.
-         */
-        public final void activate() {
-            mIsVisible = true;
-
-            mFlags = 0;
-            mInstructions.setVisibility(View.GONE);
-            mController.setTitle(mTitleResId);
-
-            onShown();
-        }
-
-        /**
-         * Formats an instruction string and adds it to the speaking queue.
-         *
-         * @param resId The resource id of the instruction string.
-         * @param formatArgs Optional formatting arguments.
-         * @see String#format(String, Object...)
-         */
-        protected void addInstruction(final int resId, Object... formatArgs) {
-            if (!mIsVisible) {
-                return;
-            }
-
-            final String text = mContext.getString(resId, formatArgs);
-            mHandler.addInstruction(text);
-        }
-
-        private void addInstructionSync(CharSequence text) {
-            mInstructions.setVisibility(View.VISIBLE);
-            mInstructions.setText(text);
-            mInstructions.sendAccessibilityEvent(AccessibilityEvent.TYPE_VIEW_FOCUSED);
-        }
-
-        /**
-         * Called when this tutorial loses focus.
-         */
-        public void deactivate() {
-            mIsVisible = false;
-
-            mController.interrupt();
-        }
-
-        /**
-         * Returns {@code true} if the flag with the specified id has been set.
-         *
-         * @param flagId The id of the flag to check for.
-         * @return {@code true} if the flag with the specified id has been set.
-         */
-        protected boolean hasFlag(int flagId) {
-            return (mFlags & flagId) == flagId;
-        }
-
-        @Override
-        public void onClick(View v) {
-            switch (v.getId()) {
-                case R.id.skip_button:
-                    mController.finish();
-                    break;
-                case R.id.back_button:
-                    mController.previous();
-                    break;
-                case R.id.next_button:
-                    mController.next();
-                    break;
-                case R.id.finish_button:
-                    mController.finish();
-                    break;
-            }
-        }
-
-        public abstract void onShown();
-
-        /**
-         * Sets or removes the flag with the specified id.
-         *
-         * @param flagId The id of the flag to modify.
-         * @param value {@code true} to set the flag, {@code false} to remove
-         *            it.
-         */
-        protected void setFlag(int flagId, boolean value) {
-            if (value) {
-                mFlags |= flagId;
-            } else {
-                mFlags = ~(~mFlags | flagId);
-            }
-        }
-
-        protected void setSkipVisible(boolean visible) {
-            mSkip.setVisibility(visible ? VISIBLE : GONE);
-        }
-
-        protected void setBackVisible(boolean visible) {
-            mBack.setVisibility(visible ? VISIBLE : GONE);
-        }
-
-        protected void setNextVisible(boolean visible) {
-            mNext.setVisibility(visible ? VISIBLE : GONE);
-        }
-
-        protected void setFinishVisible(boolean visible) {
-            mFinish.setVisibility(visible ? VISIBLE : GONE);
-        }
-
-        private class InstructionHandler extends Handler {
-            private static final int ADD_INSTRUCTION = 1;
-
-            @Override
-            public void handleMessage(Message msg) {
-                switch (msg.what) {
-                    case ADD_INSTRUCTION:
-                        final String text = (String) msg.obj;
-                        addInstructionSync(text);
-                        break;
-                }
-            }
-
-            public void addInstruction(String text) {
-                obtainMessage(ADD_INSTRUCTION, text).sendToTarget();
-            }
-        }
-    }
-
-    /**
-     * Provides a tutorial-specific class name for fired accessibility events.
-     */
-    public static class TutorialTextView extends TextView {
-        public TutorialTextView(Context context, AttributeSet attrs) {
-            super(context, attrs);
-        }
-    }
-}