diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 42c076b..130674e 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -197,10 +197,10 @@
             </intent-filter>
         </activity-alias>
 
-        <activity android:name=".vpn.VpnSettings"
-                android:label="@string/vpn_settings_title"
+        <activity-alias android:name=".vpn.VpnSettings"
                 android:configChanges="orientation|keyboardHidden"
-                android:clearTaskOnLaunch="true">
+                android:clearTaskOnLaunch="true"
+                android:targetActivity="Settings">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <action android:name="android.net.vpn.SETTINGS" />
@@ -208,14 +208,7 @@
                 <category android:name="android.intent.category.VOICE_LAUNCH" />
                 <category android:name="com.android.settings.SHORTCUT" />
             </intent-filter>
-        </activity>
-
-        <activity android:name=".vpn.VpnTypeSelection"
-                android:configChanges="orientation|keyboardHidden">
-        </activity>
-        <activity android:name=".vpn.VpnEditor"
-                android:configChanges="orientation|keyboardHidden">
-        </activity>
+        </activity-alias>
 
         <activity-alias android:name="DateTimeSettings"
                 android:label="@string/date_and_time"
diff --git a/res/layout-xlarge/date_time_settings_setupwizard.xml b/res/layout-xlarge/date_time_settings_setupwizard.xml
index 3985217..3c05089 100644
--- a/res/layout-xlarge/date_time_settings_setupwizard.xml
+++ b/res/layout-xlarge/date_time_settings_setupwizard.xml
@@ -19,7 +19,7 @@
               android:layout_width="fill_parent"
               android:layout_height="fill_parent"
               android:paddingTop="70dip"
-              android:paddingBottom="40dip"
+              android:paddingBottom="100dip"
               android:paddingLeft="60dip"
               android:paddingRight="60dip">
 
@@ -29,7 +29,7 @@
               android:layout_height="wrap_content"
               android:layout_weight="0"
               android:gravity="center"
-              android:layout_marginBottom="10dip"
+              android:layout_marginBottom="30dip"
               android:layout_alignParentTop="true"
               android:textSize="64dip"
               android:textColor="#FF30FF30"
@@ -41,69 +41,98 @@
                   android:layout_height="fill_parent"
                   android:layout_weight="1">
         <!-- Left side: time zone setting -->
-        <LinearLayout android:orientation="vertical"
-                      android:layout_width="0px"
-                      android:layout_weight="1"
-                      android:layout_height="fill_parent">
-            <!-- TODO: replace with appropratie UI component -->
-            <CheckBox android:id="@+id/time_zone_auto"
-                      android:layout_width="wrap_content"
-                      android:layout_height="wrap_content"
-                      android:gravity="right|center_horizontal"
-                      android:layout_marginBottom="5dip"
-                      android:textSize="32dip"
-                      android:text="@string/time_zone_auto_stub"/>
-
-            <!-- text should manually be set. -->
-            <Button android:id="@+id/current_time_zone"
-                    android:layout_width="fill_parent"
-                    android:layout_height="wrap_content"
-                    android:textSize="24dip"
-                    android:layout_alignParentTop="true" />
-            <LinearLayout android:id="@+id/zone_picker"
+        <RelativeLayout android:layout_width="0px"
+                        android:layout_weight="1"
+                        android:layout_height="fill_parent"
+                        android:layout_marginRight="50dip">
+            <LinearLayout android:id="@+id/timezone"
                           android:orientation="vertical"
                           android:layout_width="fill_parent"
-                          android:layout_height="fill_parent"
-                          android:paddingLeft="10dip"
-                          android:paddingBottom="20dip"
-                          android:gravity="center"
-                          android:visibility="gone"
-                          android:clickable="true">
-                <fragment android:id="@+id/zone_picker_fragment"
-                          class="com.android.settings.ZonePicker"
-                          android:layout_width="fill_parent"
-                          android:layout_height="wrap_content" />
+                          android:layout_height="wrap_content"
+                          android:layout_weight="1"
+                          android:layout_alignParentTop="true">
+
+                <CheckBox android:id="@+id/time_zone_auto"
+                          android:layout_width="wrap_content"
+                          android:layout_height="wrap_content"
+                          android:gravity="right|center_horizontal"
+                          android:layout_marginBottom="5dip"
+                          android:textSize="32dip"
+                          android:text="@string/time_zone_auto_stub"/>
+
+                <!-- text should manually be set. -->
+                <Button android:id="@+id/current_time_zone"
+                        android:layout_width="fill_parent"
+                        android:layout_height="wrap_content"
+                        android:textSize="24dip"
+                        android:layout_alignParentTop="true" />
+                <LinearLayout android:id="@+id/zone_picker"
+                              android:orientation="vertical"
+                              android:layout_width="fill_parent"
+                              android:layout_height="350dip"
+                              android:paddingLeft="10dip"
+                              android:paddingBottom="20dip"
+                              android:gravity="center"
+                              android:visibility="gone"
+                              android:clickable="true">
+                    <fragment android:id="@+id/zone_picker_fragment"
+                              class="com.android.settings.ZonePicker"
+                              android:layout_width="fill_parent"
+                              android:layout_height="wrap_content" />
+                </LinearLayout>
             </LinearLayout>
-        </LinearLayout>
+            <Button android:id="@+id/skip_button"
+                    android:layout_width="300dip"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="0"
+                    android:layout_alignParentBottom="true"
+                    android:layout_centerHorizontal="true"
+                    android:textSize="32dip"
+                    android:text="@string/skip_label"/>
+        </RelativeLayout>
 
         <!-- Right side: date & time setting -->
-        <LinearLayout android:orientation="vertical"
-                      android:layout_width="0px"
-                      android:layout_weight="1"
-                      android:layout_height="fill_parent">
-
-            <!-- TODO: replace with appropratie UI component -->
-            <CheckBox android:id="@+id/date_time_auto"
-                      android:layout_width="wrap_content"
-                      android:layout_height="wrap_content"
-                      android:gravity="right|center_horizontal"
-                      android:textSize="32dip"
-                      android:text="@string/date_time_auto" />
-
-            <LinearLayout android:orientation="horizontal"
+        <RelativeLayout android:layout_width="0px"
+                        android:layout_weight="1"
+                        android:layout_height="fill_parent"
+                        android:layout_marginLeft="50dip">
+            <LinearLayout android:id="@+id/datetime"
+                          android:orientation="vertical"
                           android:layout_width="fill_parent"
-                          android:layout_height="wrap_content">
-                <TimePicker android:id="@+id/time_picker"
-                            android:layout_width="0px"
-                            android:layout_weight=".5"
-                            android:layout_height="wrap_content"
-                            android:visibility="visible"/>
-                <DatePicker android:id="@+id/date_picker"
-                            android:layout_width="0px"
-                            android:layout_weight=".5"
-                            android:layout_height="wrap_content"/>
+                          android:layout_height="wrap_content"
+                          android:layout_weight="1"
+                          android:layout_alignParentTop="true">
+
+                <CheckBox android:id="@+id/date_time_auto"
+                          android:layout_width="wrap_content"
+                          android:layout_height="wrap_content"
+                          android:gravity="right|center_horizontal"
+                          android:textSize="32dip"
+                          android:text="@string/date_time_auto" />
+
+                <LinearLayout android:orientation="horizontal"
+                              android:layout_width="fill_parent"
+                              android:layout_height="wrap_content">
+                    <TimePicker android:id="@+id/time_picker"
+                                android:layout_width="0px"
+                                android:layout_weight=".5"
+                                android:layout_height="wrap_content"
+                                android:visibility="visible"/>
+                    <DatePicker android:id="@+id/date_picker"
+                                android:layout_width="0px"
+                                android:layout_weight=".5"
+                                android:layout_height="wrap_content"/>
+                </LinearLayout>
             </LinearLayout>
-        </LinearLayout>
+            <Button android:id="@+id/next_button"
+                    android:layout_width="300dip"
+                    android:layout_height="wrap_content"
+                    android:layout_weight="0"
+                    android:layout_alignParentBottom="true"
+                    android:layout_centerHorizontal="true"
+                    android:textSize="32dip"
+                    android:text="@string/next_label" />
+        </RelativeLayout>
     </LinearLayout>
 
     <LinearLayout android:id="@+id/bottom"
@@ -112,22 +141,6 @@
                   android:gravity="center"
                   android:layout_height="wrap_content"
                   android:layout_weight="0">
-        <Button android:id="@+id/skip_button"
-                android:layout_width="300dip"
-                android:layout_height="wrap_content"
-                android:layout_alignParentBottom="true"
-                android:layout_alignParentLeft="true"
-                android:layout_marginRight="50dip"
-                android:textSize="32dip"
-                android:text="@string/skip_label"/>
 
-        <Button android:id="@+id/next_button"
-                android:layout_width="300dip"
-                android:layout_height="wrap_content"
-                android:layout_alignParentBottom="true"
-                android:layout_alignParentRight="true"
-                android:layout_marginLeft="50dip"
-                android:textSize="32dip"
-                android:text="@string/next_label" />
     </LinearLayout>
 </LinearLayout>
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 84bc6cc..7581275 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2122,10 +2122,21 @@
         </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. -->
-    <string name="accessibility_service_no_apps_message">You do not have any accessibility related
+    <string name="accessibility_service_no_apps_message">You do not have any accessibility-related
         applications installed.\n\nYou can download a screen reader for your device from Android
         Market.\n\nClick "OK" to install the screen reader.</string>
 
+    <!-- Accessibility settings: Webpage accessibility scripts category [CHAR LIMIT=25] -->
+    <string name="accessibility_script_injection_category">Accessibility scripts</string>
+    <!-- Accessibility settings: Checkbox title for enabling download of accessibility scripts [CHAR LIMIT=40] -->
+    <string name="accessibility_script_injection_enabled">Download accessibility scripts</string>
+    <!-- Accessibility settings: Checkbox summary for enabling download of accessibility scripts [CHAR LIMIT=65] -->
+    <string name="accessibility_script_injection_enabled_summary">Allow applications to download accessibility scripts from Google</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
+        to download scripts to your phone that make their content more accessible. Are you sure you
+        want to allow Google to install accessibility scripts on your phone?</string>
     <!-- Accessibility settings: Power button category -->
     <string name="accessibility_power_button_category">Power button</string>
     <!-- Accessibility settings: checkbox title for power button behavior -->
diff --git a/res/xml/accessibility_settings.xml b/res/xml/accessibility_settings.xml
index f82af85..f2efb27 100644
--- a/res/xml/accessibility_settings.xml
+++ b/res/xml/accessibility_settings.xml
@@ -26,6 +26,15 @@
     <PreferenceCategory android:key="accessibility_services_category"
             android:title="@string/accessibility_services_category" />
 
+    <PreferenceCategory android:key="accessibility_script_injection_category"
+            android:title="@string/accessibility_script_injection_category">
+        <CheckBoxPreference
+                android:key="toggle_accessibility_script_injection_checkbox"
+                android:title="@string/accessibility_script_injection_enabled"
+                android:summary="@string/accessibility_script_injection_enabled_summary"
+                android:persistent="false" />
+    </PreferenceCategory>
+
     <PreferenceCategory android:key="power_button_category"
             android:title="@string/accessibility_power_button_category">
         <CheckBoxPreference
diff --git a/res/xml/wireless_settings.xml b/res/xml/wireless_settings.xml
index 8e05e60..f6d0012 100644
--- a/res/xml/wireless_settings.xml
+++ b/res/xml/wireless_settings.xml
@@ -59,13 +59,10 @@
     </PreferenceScreen>
 
     <PreferenceScreen
+        android:fragment="com.android.settings.vpn.VpnSettings"
         android:key="vpn_settings"
         android:title="@string/vpn_settings_title"
         android:summary="@string/vpn_settings_summary" >
-        <intent
-            android:action="android.intent.action.MAIN"
-            android:targetPackage="com.android.settings"
-            android:targetClass="com.android.settings.vpn.VpnSettings" />
     </PreferenceScreen>
 
     <PreferenceScreen
diff --git a/src/com/android/settings/AccessibilitySettings.java b/src/com/android/settings/AccessibilitySettings.java
index 321e956..104ee9e 100644
--- a/src/com/android/settings/AccessibilitySettings.java
+++ b/src/com/android/settings/AccessibilitySettings.java
@@ -56,6 +56,9 @@
     private static final String ACCESSIBILITY_SERVICES_CATEGORY =
         "accessibility_services_category";
 
+    private static final String TOGGLE_ACCESSIBILITY_SCRIPT_INJECTION_CHECKBOX =
+        "toggle_accessibility_script_injection_checkbox";
+
     private static final String POWER_BUTTON_CATEGORY =
         "power_button_category";
 
@@ -64,6 +67,8 @@
 
     private CheckBoxPreference mToggleCheckBox;
 
+    private CheckBoxPreference mToggleScriptInjectionCheckBox;
+
     private PreferenceCategory mPowerButtonCategory;
     private CheckBoxPreference mPowerButtonEndsCallCheckBox;
 
@@ -81,18 +86,16 @@
         addPreferencesFromResource(R.xml.accessibility_settings);
 
         mToggleCheckBox = (CheckBoxPreference) findPreference(
-            TOGGLE_ACCESSIBILITY_SERVICE_CHECKBOX);
+                TOGGLE_ACCESSIBILITY_SERVICE_CHECKBOX);
+
+        mToggleScriptInjectionCheckBox = (CheckBoxPreference) findPreference(
+                TOGGLE_ACCESSIBILITY_SCRIPT_INJECTION_CHECKBOX);
 
         mPowerButtonCategory = (PreferenceCategory) findPreference(POWER_BUTTON_CATEGORY);
         mPowerButtonEndsCallCheckBox = (CheckBoxPreference) findPreference(
-            POWER_BUTTON_ENDS_CALL_CHECKBOX);
+                POWER_BUTTON_ENDS_CALL_CHECKBOX);
 
         addAccessibilitServicePreferences();
-    }
-
-    @Override
-    public void onResume() {
-        super.onResume();
 
         final HashSet<String> enabled = new HashSet<String>();
         String settingValue = Settings.Secure.getString(getContentResolver(),
@@ -136,6 +139,12 @@
             displayNoAppsAlert();
         }
 
+        // set the accessibility script injection category
+        boolean scriptInjectionEnabled = (Settings.Secure.getInt(getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_SCRIPT_INJECTION, 0) == 1);
+        mToggleScriptInjectionCheckBox.setChecked(scriptInjectionEnabled);
+        mToggleScriptInjectionCheckBox.setEnabled(true);
+
         if (KeyCharacterMap.deviceHasKey(KeyEvent.KEYCODE_POWER)
                 && Utils.isVoiceCapable(getActivity())) {
             int incallPowerBehavior = Settings.Secure.getInt(getContentResolver(),
@@ -185,7 +194,6 @@
         final String key = preference.getKey();
 
         if (TOGGLE_ACCESSIBILITY_SERVICE_CHECKBOX.equals(key)) {
-            boolean isChecked = ((CheckBoxPreference) preference).isChecked();
             handleEnableAccessibilityStateChange((CheckBoxPreference) preference);
         } else if (POWER_BUTTON_ENDS_CALL_CHECKBOX.equals(key)) {
             boolean isChecked = ((CheckBoxPreference) preference).isChecked();
@@ -196,6 +204,8 @@
                     Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR,
                     (isChecked ? Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_HANGUP
                             : Settings.Secure.INCALL_POWER_BUTTON_BEHAVIOR_SCREEN_OFF));
+        } else if (TOGGLE_ACCESSIBILITY_SCRIPT_INJECTION_CHECKBOX.equals(key)) {
+            handleToggleAccessibilityScriptInjection((CheckBoxPreference) preference);
         } else if (preference instanceof CheckBoxPreference) {
             handleEnableAccessibilityServiceStateChange((CheckBoxPreference) preference);
         }
@@ -242,6 +252,42 @@
     }
 
     /**
+     * Handles the change of the accessibility script injection setting state.
+     *
+     * @param preference The preference for enabling/disabling accessibility script injection.
+     */
+    private void handleToggleAccessibilityScriptInjection(CheckBoxPreference preference) {
+        if (preference.isChecked()) {
+            final CheckBoxPreference checkBoxPreference = preference;
+            // TODO: DialogFragment?
+            AlertDialog dialog = (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(android.R.string.ok,
+                    new DialogInterface.OnClickListener() {
+                        public void onClick(DialogInterface dialog, int which) {
+                            Settings.Secure.putInt(getContentResolver(),
+                            Settings.Secure.ACCESSIBILITY_SCRIPT_INJECTION, 1);
+                        }
+                })
+                .setNegativeButton(android.R.string.cancel,
+                    new DialogInterface.OnClickListener() {
+                        public void onClick(DialogInterface dialog, int which) {
+                            checkBoxPreference.setChecked(false);
+                        }
+                    })
+                .create();
+                dialog.show();
+        } else {
+            Settings.Secure.putInt(getContentResolver(),
+                Settings.Secure.ACCESSIBILITY_SCRIPT_INJECTION, 0);
+        }
+    }
+
+    /**
      * Handles the change of the preference for enabling/disabling an AccessibilityService.
      *
      * @param preference The preference.
diff --git a/src/com/android/settings/DateTimeSettings.java b/src/com/android/settings/DateTimeSettings.java
index ecf8520..5a8f148 100644
--- a/src/com/android/settings/DateTimeSettings.java
+++ b/src/com/android/settings/DateTimeSettings.java
@@ -16,6 +16,7 @@
 
 package com.android.settings;
 
+import android.app.Activity;
 import android.app.DatePickerDialog;
 import android.app.Dialog;
 import android.app.TimePickerDialog;
@@ -133,8 +134,8 @@
         filter.addAction(Intent.ACTION_TIME_CHANGED);
         filter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
         getActivity().registerReceiver(mIntentReceiver, filter, null, null);
-        
-        updateTimeAndDateDisplay();
+
+        updateTimeAndDateDisplay(getActivity());
     }
 
     @Override 
@@ -144,8 +145,8 @@
         getPreferenceScreen().getSharedPreferences().unregisterOnSharedPreferenceChangeListener(this);
     }
     
-    private void updateTimeAndDateDisplay() {
-        java.text.DateFormat shortDateFormat = DateFormat.getDateFormat(getActivity());
+    private void updateTimeAndDateDisplay(Context context) {
+        java.text.DateFormat shortDateFormat = DateFormat.getDateFormat(context);
         final Calendar now = Calendar.getInstance();
         Date dummyDate = mDummyDate.getTime();
         mTimePref.setSummary(DateFormat.getTimeFormat(getActivity()).format(now.getTime()));
@@ -157,13 +158,19 @@
     @Override
     public void onDateSet(DatePicker view, int year, int month, int day) {
         setDate(year, month, day);
-        updateTimeAndDateDisplay();
+        final Activity activity = getActivity();
+        if (activity != null) {
+            updateTimeAndDateDisplay(activity);
+        }
     }
 
     @Override
     public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
         setTime(hourOfDay, minute);
-        updateTimeAndDateDisplay();
+        final Activity activity = getActivity();
+        if (activity != null) {
+            updateTimeAndDateDisplay(activity);
+        }
 
         // We don't need to call timeUpdated() here because the TIME_CHANGED
         // broadcast is sent by the AlarmManager as a side effect of setting the
@@ -177,7 +184,7 @@
                     getResources().getString(R.string.default_date_format));
             Settings.System.putString(getContentResolver(), 
                     Settings.System.DATE_FORMAT, format);
-            updateTimeAndDateDisplay();
+            updateTimeAndDateDisplay(getActivity());
         } else if (key.equals(KEY_AUTO_TIME)) {
             boolean autoEnabled = preferences.getBoolean(key, true);
             Settings.System.putInt(getContentResolver(), 
@@ -260,7 +267,7 @@
             showDialog(DIALOG_TIMEPICKER);
         } else if (preference == mTime24Pref) {
             set24Hour(((CheckBoxPreference)mTime24Pref).isChecked());
-            updateTimeAndDateDisplay();
+            updateTimeAndDateDisplay(getActivity());
             timeUpdated();
         }
         return super.onPreferenceTreeClick(preferenceScreen, preference);
@@ -269,7 +276,7 @@
     @Override
     public void onActivityResult(int requestCode, int resultCode,
             Intent data) {
-        updateTimeAndDateDisplay();
+        updateTimeAndDateDisplay(getActivity());
     }
     
     private void timeUpdated() {
@@ -374,7 +381,10 @@
     private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
         @Override
         public void onReceive(Context context, Intent intent) {
-            updateTimeAndDateDisplay();
+            final Activity activity = getActivity();
+            if (activity != null) {
+                updateTimeAndDateDisplay(activity);
+            }
         }
     };
 }
diff --git a/src/com/android/settings/DateTimeSettingsSetupWizard.java b/src/com/android/settings/DateTimeSettingsSetupWizard.java
index 5da17da..016a7f2 100644
--- a/src/com/android/settings/DateTimeSettingsSetupWizard.java
+++ b/src/com/android/settings/DateTimeSettingsSetupWizard.java
@@ -19,6 +19,7 @@
 import com.android.settings.ZonePicker.ZoneSelectionListener;
 
 import android.app.Activity;
+import android.content.Context;
 import android.content.res.Configuration;
 import android.os.Bundle;
 import android.provider.Settings;
@@ -26,6 +27,7 @@
 import android.view.View;
 import android.view.View.OnClickListener;
 import android.view.Window;
+import android.view.inputmethod.InputMethodManager;
 import android.widget.Button;
 import android.widget.CompoundButton;
 import android.widget.CompoundButton.OnCheckedChangeListener;
@@ -44,6 +46,7 @@
     private Button mTimeZone;
     private TimePicker mTimePicker;
     private DatePicker mDatePicker;
+    private InputMethodManager mInputMethodManager;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -90,6 +93,8 @@
         mDatePicker = (DatePicker)findViewById(R.id.date_picker);
         mDatePicker.setEnabled(!autoDateTimeEnabled);
 
+        mInputMethodManager = (InputMethodManager)getSystemService(Context.INPUT_METHOD_SERVICE);
+
         ((ZonePicker)getFragmentManager().findFragmentById(R.id.zone_picker_fragment))
                 .setZoneSelectionListener(this);
 
@@ -123,6 +128,7 @@
 
     @Override
     public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
+        final boolean autoEnabled = isChecked;  // just for readibility.
         Settings.System.putInt(getContentResolver(),
                 Settings.System.AUTO_TIME,
                 isChecked ? 1 : 0);
@@ -130,9 +136,16 @@
             findViewById(R.id.current_time_zone).setVisibility(View.VISIBLE);
             findViewById(R.id.zone_picker).setVisibility(View.GONE);
         }
-        mTimeZone.setEnabled(!isChecked);
-        mTimePicker.setEnabled(!isChecked);
-        mDatePicker.setEnabled(!isChecked);
+        mTimeZone.setEnabled(!autoEnabled);
+        mTimePicker.setEnabled(!autoEnabled);
+        mDatePicker.setEnabled(!autoEnabled);
+        if (autoEnabled) {
+            final View focusedView = getCurrentFocus();
+            if (focusedView != null) {
+                mInputMethodManager.hideSoftInputFromWindow(focusedView.getWindowToken(), 0);
+                focusedView.clearFocus();
+            }
+        }
     }
 
     @Override
diff --git a/src/com/android/settings/LocalePicker.java b/src/com/android/settings/LocalePicker.java
index 2030e95..8b94ccb 100644
--- a/src/com/android/settings/LocalePicker.java
+++ b/src/com/android/settings/LocalePicker.java
@@ -16,6 +16,8 @@
 
 package com.android.settings;
 
+import java.util.Locale;
+
 public class LocalePicker extends com.android.internal.app.LocalePicker
         implements com.android.internal.app.LocalePicker.LocaleSelectionListener {
     public LocalePicker() {
@@ -24,7 +26,8 @@
     }
 
     @Override
-    public void onLocaleSelected() {
+    public void onLocaleSelected(Locale locale) {
         getActivity().onBackPressed();
+        LocalePicker.updateLocale(locale);
     }
 }
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 50aa1df..cc3f7ea 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -41,7 +41,8 @@
  */
 public class Settings extends Activity
         implements PreferenceFragment.OnPreferenceStartFragmentCallback,
-        SettingsPreferenceFragment.OnStateListener {
+        SettingsPreferenceFragment.OnStateListener,
+        SettingsPreferenceFragment.FragmentStarter {
 
     private static final boolean DBG = false;
 
@@ -143,7 +144,9 @@
         if (DBG) Log.d(TAG, "showFragment");
        Fragment f = Fragment.instantiate(this, fragmentClass, extras);
         if (f instanceof SettingsPreferenceFragment) {
-            ((SettingsPreferenceFragment) f).setOnStateListener(this);
+            SettingsPreferenceFragment spf = (SettingsPreferenceFragment) f;
+            spf.setOnStateListener(this);
+            spf.setFragmentStarter(this);
         }
         mBreadCrumbs.clear();
         getFragmentManager().popBackStack(BACK_STACK_PREFS, POP_BACK_STACK_INCLUSIVE);
@@ -176,9 +179,17 @@
 
     public boolean onPreferenceStartFragment(PreferenceFragment caller, Preference pref) {
         if (DBG) Log.d(TAG, "onPreferenceStartFragment");
-        Fragment f = Fragment.instantiate(this, pref.getFragment(), pref.getExtras());
+        return startFragment(caller, pref.getFragment(), -1, pref.getExtras());
+    }
+
+    public boolean startFragment(
+            Fragment caller, String fragmentClass, int requestCode, Bundle extras) {
+        Fragment f = Fragment.instantiate(this, fragmentClass, extras);
+        caller.setTargetFragment(f, requestCode);
         if (f instanceof SettingsPreferenceFragment) {
-            ((SettingsPreferenceFragment) f).setOnStateListener(this);
+            SettingsPreferenceFragment spf = (SettingsPreferenceFragment) f;
+            spf.setOnStateListener(this);
+            spf.setFragmentStarter(this);
         }
         getFragmentManager().openTransaction().replace(R.id.prefs, f)
                 .addToBackStack(BACK_STACK_PREFS).commit();
diff --git a/src/com/android/settings/SettingsPreferenceFragment.java b/src/com/android/settings/SettingsPreferenceFragment.java
index 935c72a..f41561e 100644
--- a/src/com/android/settings/SettingsPreferenceFragment.java
+++ b/src/com/android/settings/SettingsPreferenceFragment.java
@@ -19,6 +19,7 @@
 import android.app.Activity;
 import android.app.Dialog;
 import android.app.DialogFragment;
+import android.app.Fragment;
 import android.content.ContentResolver;
 import android.content.Intent;
 import android.content.pm.PackageManager;
@@ -58,6 +59,10 @@
     private SettingsDialogFragment mDialogFragment;
 
     private OnStateListener mOnStateListener;
+    private FragmentStarter mFragmentStarter;
+
+    private int mResultCode = Activity.RESULT_CANCELED;
+    private Intent mResultData;
 
     private Button mNextButton;
 
@@ -74,6 +79,43 @@
         mOnStateListener = listener;
     }
 
+    /**
+     * Letting the class, assumed to be Fragment, start another Fragment object.
+     * The target Fragment object is stored in the caller Fragment using
+     * {@link Fragment#setTargetFragment(Fragment, int)}. The caller
+     * is able to obtain result code and result data via
+     * {@link SettingsPreferenceFragment#getResultCode()} and
+     * {@link SettingsPreferenceFragment#getResultData()} accordingly.
+     */
+    interface FragmentStarter {
+        public boolean startFragment(
+                Fragment caller, String fragmentClass, int requestCode, Bundle extras);
+    }
+
+    public void setFragmentStarter(FragmentStarter starter) {
+        mFragmentStarter = starter;
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+
+        final Fragment f = getTargetFragment();
+        final int requestCode = getTargetRequestCode();
+
+        // TargetFragment becomes invalid when this object is resumed. Notify it to
+        // FragmentManager. Without this code, FragmentManager wrongly take the TargetFragment
+        // as live, and throws IllegalStateException.
+        setTargetFragment(null, -1);
+
+        if (f != null && (f instanceof SettingsPreferenceFragment)) {
+            final SettingsPreferenceFragment spf = (SettingsPreferenceFragment)f;
+            final int resultCode = spf.getResultCode();
+            final Intent resultData = spf.getResultData();
+            onActivityResult(requestCode, resultCode, resultData);
+        }
+    }
+
     @Override
     public void onActivityCreated(Bundle savedInstanceState) {
         super.onActivityCreated(savedInstanceState);
@@ -86,6 +128,32 @@
         setupButtonBar();
     }
 
+    public final void setResult(int resultCode) {
+        mResultCode = resultCode;
+        mResultData = null;
+    }
+
+    public final void setResult(int resultCode, Intent data) {
+        mResultCode = resultCode;
+        mResultData = data;
+    }
+
+    public final int getResultCode() {
+        return mResultCode;
+    }
+
+    public final Intent getResultData() {
+        return mResultData;
+    }
+
+    /*
+     * The name is intentionally made different from Activity#finish(), so that
+     * users won't misunderstand its meaning.
+     */
+    public final void finishFragment() {
+        getActivity().onBackPressed();
+    }
+
     @Override
     public void onDestroy() {
         super.onDestroy();
@@ -179,6 +247,16 @@
         getActivity().onBackPressed();
     }
 
+    public boolean startFragment(
+            Fragment caller, String fragmentClass, int requestCode, Bundle extras) {
+        if (mFragmentStarter != null) {
+            return mFragmentStarter.startFragment(caller, fragmentClass, requestCode, extras);
+        } else {
+            Log.w(TAG, "FragmentStarter is not set.");
+            return false;
+        }
+    }
+
     /**
      * Sets up Button Bar possibly required in the Fragment. Probably available only in
      * phones.
diff --git a/src/com/android/settings/applications/InstalledAppDetails.java b/src/com/android/settings/applications/InstalledAppDetails.java
index 8765dfb..af03549 100644
--- a/src/com/android/settings/applications/InstalledAppDetails.java
+++ b/src/com/android/settings/applications/InstalledAppDetails.java
@@ -69,6 +69,7 @@
 public class InstalledAppDetails extends Activity
         implements View.OnClickListener, ApplicationsState.Callbacks {
     private static final String TAG="InstalledAppDetails";
+    static final boolean SUPPORT_DISABLE_APPS = false;
     
     private PackageManager mPm;
     private ApplicationsState mState;
@@ -259,30 +260,32 @@
         } else {
             if ((mAppEntry.info.flags & ApplicationInfo.FLAG_SYSTEM) != 0) {
                 enabled = false;
-                try {
-                    // Try to prevent the user from bricking their phone
-                    // by not allowing disabling of apps signed with the
-                    // system cert and any launcher app in the system.
-                    PackageInfo sys = mPm.getPackageInfo("android",
-                            PackageManager.GET_SIGNATURES);
-                    Intent intent = new Intent(Intent.ACTION_MAIN);
-                    intent.addCategory(Intent.CATEGORY_HOME);
-                    intent.setPackage(mAppEntry.info.packageName);
-                    List<ResolveInfo> homes = mPm.queryIntentActivities(intent, 0);
-                    if ((homes != null && homes.size() > 0) ||
-                            (mPackageInfo != null &&
-                                    sys.signatures[0].equals(mPackageInfo.signatures[0]))) {
-                        // Disable button for core system applications.
-                        mUninstallButton.setText(R.string.disable_text);
-                    } else if (mAppEntry.info.enabled) {
-                        mUninstallButton.setText(R.string.disable_text);
-                        enabled = true;
-                    } else {
-                        mUninstallButton.setText(R.string.enable_text);
-                        enabled = true;
+                if (SUPPORT_DISABLE_APPS) {
+                    try {
+                        // Try to prevent the user from bricking their phone
+                        // by not allowing disabling of apps signed with the
+                        // system cert and any launcher app in the system.
+                        PackageInfo sys = mPm.getPackageInfo("android",
+                                PackageManager.GET_SIGNATURES);
+                        Intent intent = new Intent(Intent.ACTION_MAIN);
+                        intent.addCategory(Intent.CATEGORY_HOME);
+                        intent.setPackage(mAppEntry.info.packageName);
+                        List<ResolveInfo> homes = mPm.queryIntentActivities(intent, 0);
+                        if ((homes != null && homes.size() > 0) ||
+                                (mPackageInfo != null &&
+                                        sys.signatures[0].equals(mPackageInfo.signatures[0]))) {
+                            // Disable button for core system applications.
+                            mUninstallButton.setText(R.string.disable_text);
+                        } else if (mAppEntry.info.enabled) {
+                            mUninstallButton.setText(R.string.disable_text);
+                            enabled = true;
+                        } else {
+                            mUninstallButton.setText(R.string.enable_text);
+                            enabled = true;
+                        }
+                    } catch (PackageManager.NameNotFoundException e) {
+                        Log.w(TAG, "Unable to get package info", e);
                     }
-                } catch (PackageManager.NameNotFoundException e) {
-                    Log.w(TAG, "Unable to get package info", e);
                 }
             } else {
                 mUninstallButton.setText(R.string.uninstall_text);
diff --git a/src/com/android/settings/applications/ManageApplications.java b/src/com/android/settings/applications/ManageApplications.java
index 772e48d..34e0e8e 100644
--- a/src/com/android/settings/applications/ManageApplications.java
+++ b/src/com/android/settings/applications/ManageApplications.java
@@ -354,7 +354,11 @@
                     holder.appIcon.setImageDrawable(entry.icon);
                 }
                 holder.updateSizeText(ManageApplications.this);
-                holder.disabled.setVisibility(entry.info.enabled ? View.GONE : View.VISIBLE);
+                if (InstalledAppDetails.SUPPORT_DISABLE_APPS) {
+                    holder.disabled.setVisibility(entry.info.enabled ? View.GONE : View.VISIBLE);
+                } else {
+                    holder.disabled.setVisibility(View.GONE);
+                }
             }
             mActive.remove(convertView);
             mActive.add(convertView);
diff --git a/src/com/android/settings/bluetooth/CachedBluetoothDevice.java b/src/com/android/settings/bluetooth/CachedBluetoothDevice.java
index 5f374a5..d655f90 100644
--- a/src/com/android/settings/bluetooth/CachedBluetoothDevice.java
+++ b/src/com/android/settings/bluetooth/CachedBluetoothDevice.java
@@ -91,10 +91,10 @@
     // See mConnectAttempted
     private static final long MAX_UUID_DELAY_FOR_AUTO_CONNECT = 5000;
 
-    
+
     /**
      * Describes the current device and profile for logging.
-     * 
+     *
      * @param profile Profile to describe
      * @return Description of the device and profile
      */
@@ -107,7 +107,7 @@
 
         return sb.toString();
     }
-    
+
     private String describe(Profile profile) {
         return describe(this, profile);
     }
@@ -264,7 +264,7 @@
                         .getProfileManager(mLocalManager, profile);
                 if (profileManager.isPreferred(mDevice)) {
                     ++preferredProfiles;
-                    disconnectConnected(profile);
+                    disconnectConnected(this, profile);
                     connectInt(this, profile);
                 }
             }
@@ -287,7 +287,7 @@
                 LocalBluetoothProfileManager profileManager = LocalBluetoothProfileManager
                         .getProfileManager(mLocalManager, profile);
                 profileManager.setPreferred(mDevice, false);
-                disconnectConnected(profile);
+                disconnectConnected(this, profile);
                 connectInt(this, profile);
             }
         }
@@ -297,19 +297,20 @@
         mConnectAttempted = SystemClock.elapsedRealtime();
         // Reset the only-show-one-error-dialog tracking variable
         mIsConnectingErrorPossible = true;
-        disconnectConnected(profile);
+        disconnectConnected(this, profile);
         connectInt(this, profile);
     }
 
-    private void disconnectConnected(Profile profile) {
+    private void disconnectConnected(CachedBluetoothDevice device, Profile profile) {
         LocalBluetoothProfileManager profileManager =
             LocalBluetoothProfileManager.getProfileManager(mLocalManager, profile);
         CachedBluetoothDeviceManager cachedDeviceManager = mLocalManager.getCachedDeviceManager();
         Set<BluetoothDevice> devices = profileManager.getConnectedDevices();
         if (devices == null) return;
-        for (BluetoothDevice device : devices) {
-            CachedBluetoothDevice cachedDevice = cachedDeviceManager.findDevice(device);
-            if (cachedDevice != null) {
+        for (BluetoothDevice btDevice : devices) {
+            CachedBluetoothDevice cachedDevice = cachedDeviceManager.findDevice(btDevice);
+
+            if (cachedDevice != null && !cachedDevice.equals(device)) {
                 disconnectInt(cachedDevice, profile);
             }
         }
diff --git a/src/com/android/settings/vpn/VpnEditor.java b/src/com/android/settings/vpn/VpnEditor.java
index 349befb..3ab0b90 100644
--- a/src/com/android/settings/vpn/VpnEditor.java
+++ b/src/com/android/settings/vpn/VpnEditor.java
@@ -17,7 +17,9 @@
 package com.android.settings.vpn;
 
 import com.android.settings.R;
+import com.android.settings.SettingsPreferenceFragment;
 
+import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.content.DialogInterface;
@@ -27,22 +29,19 @@
 import android.net.vpn.L2tpProfile;
 import android.net.vpn.PptpProfile;
 import android.net.vpn.VpnProfile;
-import android.net.vpn.VpnType;
 import android.os.Bundle;
 import android.os.Parcel;
 import android.os.Parcelable;
-import android.preference.PreferenceActivity;
-import android.preference.PreferenceGroup;
 import android.text.TextUtils;
-import android.view.KeyEvent;
+import android.util.Log;
 import android.view.Menu;
+import android.view.MenuInflater;
 import android.view.MenuItem;
-import android.view.View;
 
 /**
  * The activity class for editing a new or existing VPN profile.
  */
-public class VpnEditor extends PreferenceActivity {
+public class VpnEditor extends SettingsPreferenceFragment {
     private static final int MENU_SAVE = Menu.FIRST;
     private static final int MENU_CANCEL = Menu.FIRST + 1;
     private static final int CONFIRM_DIALOG_ID = 0;
@@ -56,59 +55,75 @@
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        VpnProfile p = (VpnProfile) ((savedInstanceState == null)
-                ? getIntent().getParcelableExtra(VpnSettings.KEY_VPN_PROFILE)
-                : savedInstanceState.getParcelable(KEY_PROFILE));
-        mProfileEditor = getEditor(p);
-        mAddingProfile = TextUtils.isEmpty(p.getName());
 
         // Loads the XML preferences file
         addPreferencesFromResource(R.xml.vpn_edit);
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        VpnProfile p;
+        if (savedInstanceState != null) {
+            p = (VpnProfile)savedInstanceState.getParcelable(KEY_PROFILE);
+        } else {
+            p = (VpnProfile)getArguments().getParcelable(VpnSettings.KEY_VPN_PROFILE);
+            if (p == null) {
+                p = getActivity().getIntent().getParcelableExtra(VpnSettings.KEY_VPN_PROFILE);
+            }
+        }
+
+        mProfileEditor = getEditor(p);
+        mAddingProfile = TextUtils.isEmpty(p.getName());
 
         initViewFor(p);
 
         Parcel parcel = Parcel.obtain();
         p.writeToParcel(parcel, 0);
         mOriginalProfileData = parcel.marshall();
+
+        registerForContextMenu(getListView());
+        setHasOptionsMenu(true);
     }
 
     @Override
-    protected synchronized void onSaveInstanceState(Bundle outState) {
+    public synchronized void onSaveInstanceState(Bundle outState) {
         if (mProfileEditor == null) return;
 
         outState.putParcelable(KEY_PROFILE, getProfile());
     }
 
     @Override
-    public boolean onCreateOptionsMenu(Menu menu) {
-        super.onCreateOptionsMenu(menu);
+    public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
+        super.onCreateOptionsMenu(menu, inflater);
         menu.add(0, MENU_SAVE, 0, R.string.vpn_menu_done)
             .setIcon(android.R.drawable.ic_menu_save);
         menu.add(0, MENU_CANCEL, 0,
                 mAddingProfile ? R.string.vpn_menu_cancel
                                : R.string.vpn_menu_revert)
             .setIcon(android.R.drawable.ic_menu_close_clear_cancel);
-        return true;
     }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
             case MENU_SAVE:
-                if (validateAndSetResult()) finish();
+                if (validateAndSetResult()) finishFragment();
                 return true;
 
             case MENU_CANCEL:
                 if (profileChanged()) {
                     showDialog(CONFIRM_DIALOG_ID);
                 } else {
-                    finish();
+                    finishFragment();
                 }
                 return true;
         }
         return super.onOptionsItemSelected(item);
     }
 
+    /*
     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
         switch (keyCode) {
@@ -117,7 +132,7 @@
                 return true;
         }
         return super.onKeyDown(keyCode, event);
-    }
+    }*/
 
     private void initViewFor(VpnProfile profile) {
         setTitle(profile);
@@ -125,10 +140,11 @@
     }
 
     private void setTitle(VpnProfile profile) {
+        final Activity activity = getActivity();
         String formatString = mAddingProfile
-                ? getString(R.string.vpn_edit_title_add)
-                : getString(R.string.vpn_edit_title_edit);
-        setTitle(String.format(formatString,
+                ? activity.getString(R.string.vpn_edit_title_add)
+                : activity.getString(R.string.vpn_edit_title_edit);
+        activity.setTitle(String.format(formatString,
                 profile.getType().getDisplayName()));
     }
 
@@ -140,7 +156,7 @@
         String errorMsg = mProfileEditor.validate();
 
         if (errorMsg != null) {
-            Util.showErrorMessage(this, errorMsg);
+            Util.showErrorMessage(getActivity(), errorMsg);
             return false;
         }
 
@@ -149,9 +165,9 @@
     }
 
     private void setResult(VpnProfile p) {
-        Intent intent = new Intent(this, VpnSettings.class);
+        Intent intent = new Intent(getActivity(), VpnSettings.class);
         intent.putExtra(VpnSettings.KEY_VPN_PROFILE, (Parcelable) p);
-        setResult(RESULT_OK, intent);
+        setResult(Activity.RESULT_OK, intent);
     }
 
     private VpnProfileEditor getEditor(VpnProfile p) {
@@ -175,10 +191,9 @@
 
 
     @Override
-    protected Dialog onCreateDialog(int id) {
-
+    public Dialog onCreateDialog(int id) {
         if (id == CONFIRM_DIALOG_ID) {
-            return new AlertDialog.Builder(this)
+            return new AlertDialog.Builder(getActivity())
                     .setTitle(android.R.string.dialog_alert_title)
                     .setIcon(android.R.drawable.ic_dialog_alert)
                     .setMessage(mAddingProfile
@@ -187,7 +202,7 @@
                     .setPositiveButton(R.string.vpn_yes_button,
                             new DialogInterface.OnClickListener() {
                                 public void onClick(DialogInterface dialog, int w) {
-                                    finish();
+                                    finishFragment();
                                 }
                             })
                     .setNegativeButton(R.string.vpn_mistake_button, null)
@@ -197,8 +212,9 @@
         return super.onCreateDialog(id);
     }
 
+    /*
     @Override
-    protected void onPrepareDialog(int id, Dialog dialog) {
+    public void onPrepareDialog(int id, Dialog dialog) {
         super.onPrepareDialog(id, dialog);
 
         if (id == CONFIRM_DIALOG_ID) {
@@ -206,7 +222,7 @@
                     ? getString(R.string.vpn_confirm_add_profile_cancellation)
                     : getString(R.string.vpn_confirm_edit_profile_cancellation));
         }
-    }
+    }*/
 
     private VpnProfile getProfile() {
         return mProfileEditor.getProfile();
diff --git a/src/com/android/settings/vpn/VpnSettings.java b/src/com/android/settings/vpn/VpnSettings.java
index 7b8d433..e9a4c3d 100644
--- a/src/com/android/settings/vpn/VpnSettings.java
+++ b/src/com/android/settings/vpn/VpnSettings.java
@@ -17,11 +17,14 @@
 package com.android.settings.vpn;
 
 import com.android.settings.R;
+import com.android.settings.SettingsPreferenceFragment;
 
+import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
-import android.content.ComponentName;
+import android.app.Fragment;
 import android.content.BroadcastReceiver;
+import android.content.ComponentName;
 import android.content.Context;
 import android.content.DialogInterface;
 import android.content.Intent;
@@ -37,12 +40,10 @@
 import android.os.Bundle;
 import android.os.ConditionVariable;
 import android.os.IBinder;
-import android.os.Parcelable;
 import android.preference.Preference;
-import android.preference.PreferenceActivity;
+import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.PreferenceCategory;
 import android.preference.PreferenceScreen;
-import android.preference.Preference.OnPreferenceClickListener;
 import android.security.Credentials;
 import android.security.KeyStore;
 import android.text.TextUtils;
@@ -69,8 +70,8 @@
 /**
  * The preference activity for configuring VPN settings.
  */
-public class VpnSettings extends PreferenceActivity implements
-        DialogInterface.OnClickListener {
+public class VpnSettings extends SettingsPreferenceFragment
+        implements DialogInterface.OnClickListener {
     // Key to the field exchanged for profile editing.
     static final String KEY_VPN_PROFILE = "vpn_profile";
 
@@ -122,7 +123,7 @@
 
     private KeyStore mKeyStore = KeyStore.getInstance();
 
-    private VpnManager mVpnManager = new VpnManager(this);
+    private VpnManager mVpnManager;
 
     private ConnectivityReceiver mConnectivityReceiver =
             new ConnectivityReceiver();
@@ -137,7 +138,13 @@
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         addPreferencesFromResource(R.xml.vpn_settings);
+    }
 
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+
+        mVpnManager = new VpnManager(getActivity());
         // restore VpnProfile list and construct VpnPreference map
         mVpnListContainer = (PreferenceCategory) findPreference(PREF_VPN_LIST);
 
@@ -168,22 +175,24 @@
         if ((mUnlockAction != null) && isKeyStoreUnlocked()) {
             Runnable action = mUnlockAction;
             mUnlockAction = null;
-            runOnUiThread(action);
+            getActivity().runOnUiThread(action);
         }
     }
 
     @Override
-    protected void onDestroy() {
-        super.onDestroy();
+    public void onDestroyView() {
         unregisterForContextMenu(getListView());
         mVpnManager.unregisterConnectivityReceiver(mConnectivityReceiver);
         if ((mShowingDialog != null) && mShowingDialog.isShowing()) {
             mShowingDialog.dismiss();
         }
+        // This should be called after the procedure above as ListView inside this Fragment
+        // will be deleted here.
+        super.onDestroyView();
     }
 
     @Override
-    protected Dialog onCreateDialog (int id) {
+    public Dialog onCreateDialog (int id) {
         switch (id) {
             case DIALOG_CONNECT:
                 return createConnectDialog();
@@ -203,13 +212,14 @@
     }
 
     private Dialog createConnectDialog() {
-        return new AlertDialog.Builder(this)
+        final Activity activity = getActivity();
+        return new AlertDialog.Builder(activity)
                 .setView(mConnectingActor.createConnectView())
-                .setTitle(String.format(getString(R.string.vpn_connect_to),
+                .setTitle(String.format(activity.getString(R.string.vpn_connect_to),
                         mActiveProfile.getName()))
-                .setPositiveButton(getString(R.string.vpn_connect_button),
+                .setPositiveButton(activity.getString(R.string.vpn_connect_button),
                         this)
-                .setNegativeButton(getString(android.R.string.cancel),
+                .setNegativeButton(activity.getString(android.R.string.cancel),
                         this)
                 .setOnCancelListener(new DialogInterface.OnCancelListener() {
                             public void onCancel(DialogInterface dialog) {
@@ -291,7 +301,7 @@
     }
 
     private AlertDialog.Builder createCommonDialogBuilder() {
-        return new AlertDialog.Builder(this)
+        return new AlertDialog.Builder(getActivity())
                 .setTitle(android.R.string.dialog_alert_title)
                 .setIcon(android.R.drawable.ic_dialog_alert)
                 .setPositiveButton(R.string.vpn_yes_button,
@@ -364,9 +374,9 @@
     }
 
     @Override
-    protected void onActivityResult(final int requestCode, final int resultCode,
+    public void onActivityResult(final int requestCode, final int resultCode,
             final Intent data) {
-        if ((resultCode == RESULT_CANCELED) || (data == null)) {
+        if ((resultCode == Activity.RESULT_CANCELED) || (data == null)) {
             Log.d(TAG, "no result returned by editor");
             return;
         }
@@ -381,11 +391,12 @@
                 return;
             }
 
+            final Activity activity = getActivity();
             int index = getProfileIndexFromId(p.getId());
             if (checkDuplicateName(p, index)) {
                 final VpnProfile profile = p;
-                Util.showErrorMessage(this, String.format(
-                        getString(R.string.vpn_error_duplicate_name),
+                Util.showErrorMessage(activity, String.format(
+                        activity.getString(R.string.vpn_error_duplicate_name),
                         p.getName()),
                         new DialogInterface.OnClickListener() {
                             public void onClick(DialogInterface dialog, int w) {
@@ -407,30 +418,32 @@
             try {
                 if (index < 0) {
                     addProfile(p);
-                    Util.showShortToastMessage(this, String.format(
-                            getString(R.string.vpn_profile_added), p.getName()));
+                    Util.showShortToastMessage(activity, String.format(
+                            activity.getString(R.string.vpn_profile_added), p.getName()));
                 } else {
                     replaceProfile(index, p);
-                    Util.showShortToastMessage(this, String.format(
-                            getString(R.string.vpn_profile_replaced),
+                    Util.showShortToastMessage(activity, String.format(
+                            activity.getString(R.string.vpn_profile_replaced),
                             p.getName()));
                 }
             } catch (IOException e) {
                 final VpnProfile profile = p;
-                Util.showErrorMessage(this, e + ": " + e.getMessage(),
+                Util.showErrorMessage(activity, e + ": " + e.getMessage(),
                         new DialogInterface.OnClickListener() {
                             public void onClick(DialogInterface dialog, int w) {
                                 startVpnEditor(profile);
                             }
                         });
             }
+
+            // Remove cached VpnEditor as it is needless anymore.
         } else {
             throw new RuntimeException("unknown request code: " + requestCode);
         }
     }
 
     // Called when the buttons on the connect dialog are clicked.
-    //@Override
+    @Override
     public synchronized void onClick(DialogInterface dialog, int which) {
         if (which == CONNECT_BUTTON) {
             Dialog d = (Dialog) dialog;
@@ -440,12 +453,15 @@
                 removeDialog(DIALOG_CONNECT);
                 return;
             } else {
-                dismissDialog(DIALOG_CONNECT);
+                // dismissDialog(DIALOG_CONNECT);
+                removeDialog(DIALOG_CONNECT);
+
+                final Activity activity = getActivity();
                 // show error dialog
-                mShowingDialog = new AlertDialog.Builder(this)
+                mShowingDialog = new AlertDialog.Builder(activity)
                         .setTitle(android.R.string.dialog_alert_title)
                         .setIcon(android.R.drawable.ic_dialog_alert)
-                        .setMessage(String.format(getString(
+                        .setMessage(String.format(activity.getString(
                                 R.string.vpn_error_miss_entering), error))
                         .setPositiveButton(R.string.vpn_back_button,
                                 new DialogInterface.OnClickListener() {
@@ -513,7 +529,7 @@
                         }
                     }
                 };
-        mShowingDialog = new AlertDialog.Builder(this)
+        mShowingDialog = new AlertDialog.Builder(getActivity())
                 .setTitle(android.R.string.dialog_alert_title)
                 .setIcon(android.R.drawable.ic_dialog_alert)
                 .setMessage(R.string.vpn_confirm_profile_deletion)
@@ -559,7 +575,7 @@
     // Adds a preference in mVpnListContainer
     private VpnPreference addPreferenceFor(
             VpnProfile p, boolean addToContainer) {
-        VpnPreference pref = new VpnPreference(this, p);
+        VpnPreference pref = new VpnPreference(getActivity(), p);
         mVpnPreferenceMap.put(p.getName(), pref);
         if (addToContainer) mVpnListContainer.addPreference(pref);
 
@@ -599,8 +615,8 @@
     }
 
     private void startVpnTypeSelection() {
-        Intent intent = new Intent(this, VpnTypeSelection.class);
-        startActivityForResult(intent, REQUEST_SELECT_VPN_TYPE);
+        startFragment(this, VpnTypeSelection.class.getCanonicalName(),
+                REQUEST_SELECT_VPN_TYPE, null);
     }
 
     private boolean isKeyStoreUnlocked() {
@@ -614,16 +630,14 @@
                 L2tpIpsecPskProfile pskProfile = (L2tpIpsecPskProfile) p;
                 String presharedKey = pskProfile.getPresharedKey();
                 if (!TextUtils.isEmpty(presharedKey)) return true;
-                // pass through
-
+                // $FALL-THROUGH$
             case L2TP:
                 L2tpProfile l2tpProfile = (L2tpProfile) p;
                 if (l2tpProfile.isSecretEnabled() &&
                         !TextUtils.isEmpty(l2tpProfile.getSecretString())) {
                     return true;
                 }
-                // pass through
-
+                // $FALL-THROUGH$
             default:
                 return false;
         }
@@ -648,14 +662,15 @@
     private boolean unlockKeyStore(VpnProfile p, Runnable action) {
         if (isKeyStoreUnlocked()) return true;
         mUnlockAction = action;
-        Credentials.getInstance().unlock(this);
+        Credentials.getInstance().unlock(getActivity());
         return false;
     }
 
     private void startVpnEditor(final VpnProfile profile) {
-        Intent intent = new Intent(this, VpnEditor.class);
-        intent.putExtra(KEY_VPN_PROFILE, (Parcelable) profile);
-        startActivityForResult(intent, REQUEST_ADD_OR_EDIT_PROFILE);
+        Bundle args = new Bundle();
+        args.putParcelable(KEY_VPN_PROFILE, profile);
+        startFragment(this, VpnEditor.class.getCanonicalName(),
+                REQUEST_ADD_OR_EDIT_PROFILE, args);
     }
 
     private synchronized void connect(final VpnProfile p) {
@@ -714,7 +729,7 @@
 
         case CONNECTING:
             mConnectingActor = getActor(p);
-            // pass through
+            // $FALL-THROUGH$
         case DISCONNECTING:
             mActiveProfile = p;
             disableProfilePreferencesIfOneActive();
@@ -810,11 +825,6 @@
             public int compare(VpnProfile p1, VpnProfile p2) {
                 return p1.getName().compareTo(p2.getName());
             }
-
-            public boolean equals(VpnProfile p) {
-                // not used
-                return false;
-            }
         });
         for (VpnProfile p : mVpnProfileList) {
             Preference pref = addPreferenceFor(p, false);
@@ -855,20 +865,21 @@
     }
 
     private String getProfileSummaryString(VpnProfile p) {
+        final Activity activity = getActivity();
         switch (p.getState()) {
         case CONNECTING:
-            return getString(R.string.vpn_connecting);
+            return activity.getString(R.string.vpn_connecting);
         case DISCONNECTING:
-            return getString(R.string.vpn_disconnecting);
+            return activity.getString(R.string.vpn_disconnecting);
         case CONNECTED:
-            return getString(R.string.vpn_connected);
+            return activity.getString(R.string.vpn_connected);
         default:
-            return getString(R.string.vpn_connect_hint);
+            return activity.getString(R.string.vpn_connect_hint);
         }
     }
 
     private VpnProfileActor getActor(VpnProfile p) {
-        return new AuthenticationActor(this, p);
+        return new AuthenticationActor(getActivity(), p);
     }
 
     private VpnProfile createVpnProfile(String type) {
@@ -938,8 +949,7 @@
                     Log.e(TAG, "keystore write failed: key=" + key);
                 }
                 pskProfile.setPresharedKey(key);
-                // pass through
-
+                // $FALL-THROUGH$
             case L2TP_IPSEC:
             case L2TP:
                 L2tpProfile l2tpProfile = (L2tpProfile) p;
@@ -1007,8 +1017,6 @@
 
     // managing status check in a background thread
     private class StatusChecker {
-        private List<VpnProfile> mList;
-
         synchronized void check(final List<VpnProfile> list) {
             final ConditionVariable cv = new ConditionVariable();
             cv.close();
@@ -1027,7 +1035,7 @@
                             changeState(p, VpnState.IDLE);
                         }
                     }
-                    VpnSettings.this.unbindService(this);
+                    getActivity().unbindService(this);
                     showPreferences();
                 }
 
@@ -1035,7 +1043,7 @@
                     cv.open();
 
                     setDefaultState(list);
-                    VpnSettings.this.unbindService(this);
+                    getActivity().unbindService(this);
                     showPreferences();
                 }
             };
diff --git a/src/com/android/settings/vpn/VpnTypeSelection.java b/src/com/android/settings/vpn/VpnTypeSelection.java
index aa4bc5e..5990ac0 100644
--- a/src/com/android/settings/vpn/VpnTypeSelection.java
+++ b/src/com/android/settings/vpn/VpnTypeSelection.java
@@ -17,13 +17,14 @@
 package com.android.settings.vpn;
 
 import com.android.settings.R;
+import com.android.settings.SettingsPreferenceFragment;
 
+import android.app.Activity;
 import android.content.Intent;
 import android.net.vpn.VpnManager;
 import android.net.vpn.VpnType;
 import android.os.Bundle;
 import android.preference.Preference;
-import android.preference.PreferenceActivity;
 import android.preference.PreferenceScreen;
 
 import java.util.HashMap;
@@ -32,7 +33,7 @@
 /**
  * The activity to select a VPN type.
  */
-public class VpnTypeSelection extends PreferenceActivity {
+public class VpnTypeSelection extends SettingsPreferenceFragment {
     private Map<String, VpnType> mTypeMap = new HashMap<String, VpnType>();
 
     @Override
@@ -46,19 +47,20 @@
     @Override
     public boolean onPreferenceTreeClick(PreferenceScreen ps, Preference pref) {
         setResult(mTypeMap.get(pref.getTitle().toString()));
-        finish();
+        finishFragment();
         return true;
     }
 
     private void initTypeList() {
         PreferenceScreen root = getPreferenceScreen();
+        final Activity activity = getActivity();
         for (VpnType t : VpnManager.getSupportedVpnTypes()) {
             String displayName = t.getDisplayName();
             String message = String.format(
-                    getString(R.string.vpn_edit_title_add), displayName);
+                    activity.getString(R.string.vpn_edit_title_add), displayName);
             mTypeMap.put(message, t);
 
-            Preference pref = new Preference(this);
+            Preference pref = new Preference(activity);
             pref.setTitle(message);
             pref.setSummary(t.getDescriptionId());
             root.addPreference(pref);
@@ -66,8 +68,8 @@
     }
 
     private void setResult(VpnType type) {
-        Intent intent = new Intent(this, VpnSettings.class);
+        Intent intent = new Intent(getActivity(), VpnSettings.class);
         intent.putExtra(VpnSettings.KEY_VPN_TYPE, type.toString());
-        setResult(RESULT_OK, intent);
+        setResult(Activity.RESULT_OK, intent);
     }
 }
diff --git a/src/com/android/settings/wifi/WifiSettings.java b/src/com/android/settings/wifi/WifiSettings.java
index acb9ad3..905f2a3 100644
--- a/src/com/android/settings/wifi/WifiSettings.java
+++ b/src/com/android/settings/wifi/WifiSettings.java
@@ -667,4 +667,12 @@
         mSelectedAccessPoint = null;
         showConfigUi(null, true);
     }
+
+    /* package */ int getAccessPointsCount() {
+        if (mAccessPoints != null) {
+            return mAccessPoints.getPreferenceCount();
+        } else {
+            return 0;
+        }
+    }
 }
diff --git a/src/com/android/settings/wifi/WifiSettingsForSetupWizardXL.java b/src/com/android/settings/wifi/WifiSettingsForSetupWizardXL.java
index 2d26645..ef827f6 100644
--- a/src/com/android/settings/wifi/WifiSettingsForSetupWizardXL.java
+++ b/src/com/android/settings/wifi/WifiSettingsForSetupWizardXL.java
@@ -40,7 +40,7 @@
 
     static {
         stateMap.put(DetailedState.IDLE, DetailedState.DISCONNECTED);
-        stateMap.put(DetailedState.SCANNING, DetailedState.DISCONNECTED);
+        stateMap.put(DetailedState.SCANNING, DetailedState.SCANNING);
         stateMap.put(DetailedState.CONNECTING, DetailedState.CONNECTING);
         stateMap.put(DetailedState.AUTHENTICATING, DetailedState.CONNECTING);
         stateMap.put(DetailedState.OBTAINING_IPADDR, DetailedState.CONNECTING);
@@ -111,28 +111,40 @@
 
     public void updateConnectionState(DetailedState originalState) {
         final DetailedState state = stateMap.get(originalState);
-        final String message;
-        mProgressBar.setIndeterminate(false);
         switch (state) {
+        case SCANNING: {
+            // Let users know the device is working correctly though currently there's
+            // no visible network on the list.
+            if (mWifiSettings.getAccessPointsCount() == 0) {
+                mProgressBar.setIndeterminate(true);
+                mProgressText.setText(Summary.get(this, DetailedState.SCANNING));
+            } else {
+                // Users already already connected to a network, or see available networks.
+                mProgressBar.setIndeterminate(false);
+            }
+            break;
+        }
         case CONNECTING: {
-            message = Summary.get(this, state);
+            mProgressBar.setIndeterminate(false);
             mProgressBar.setProgress(1);
             mStatusText.setText(R.string.wifi_setup_status_connecting);
+            mProgressText.setText(Summary.get(this, state));
             break;
         }
         case CONNECTED: {
-            message = Summary.get(this, state);
+            mProgressBar.setIndeterminate(false);
             mProgressBar.setProgress(2);
             mStatusText.setText(R.string.wifi_setup_status_connected);
+            mProgressText.setText(Summary.get(this, state));
             break;
         }
         default:  // Not connected.
-            message = getString(R.string.wifi_setup_not_connected);
+            mProgressBar.setIndeterminate(false);
             mProgressBar.setProgress(0);
             mStatusText.setText(R.string.wifi_setup_status_select_network);
+            mProgressText.setText(getString(R.string.wifi_setup_not_connected));
             break;
         }
-        mProgressText.setText(message);
     }
 
     public void onWifiConfigPreferenceAttached(boolean isNewNetwork) {