Merge "Import revised translations."
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 1b80ce8..7f04228 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -118,6 +118,10 @@
                 android:value="com.android.settings.wifi.WifiSettings" />
             <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
                 android:resource="@id/wireless_settings" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_TITLE"
+                android:resource="@string/wireless_networks_settings_title" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_CLASS"
+                android:value="com.android.settings.Settings$WirelessSettingsActivity" />
         </activity>
 
         <activity android:name=".wifi.WifiSettingsForSetupWizardXL"
@@ -210,6 +214,10 @@
                 android:value="com.android.settings.bluetooth.BluetoothSettings" />
             <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
                 android:resource="@id/wireless_settings" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_TITLE"
+                android:resource="@string/wireless_networks_settings_title" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_CLASS"
+                android:value="com.android.settings.Settings$WirelessSettingsActivity" />
         </activity>
 
         <activity android:name=".bluetooth.DevicePickerActivity"
@@ -234,6 +242,10 @@
                 android:value="com.android.settings.TetherSettings" />
             <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
                 android:resource="@id/wireless_settings" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_TITLE"
+                android:resource="@string/wireless_networks_settings_title" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_CLASS"
+                android:value="com.android.settings.Settings$WirelessSettingsActivity" />
         </activity>
 
         <activity android:name="Settings$VpnSettingsActivity"
@@ -252,6 +264,10 @@
                 android:value="com.android.settings.vpn.VpnSettings" />
             <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
                 android:resource="@id/wireless_settings" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_TITLE"
+                android:resource="@string/wireless_networks_settings_title" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_CLASS"
+                android:value="com.android.settings.Settings$WirelessSettingsActivity" />
         </activity>
 
         <activity android:name="Settings$DateTimeSettingsActivity"
@@ -327,6 +343,10 @@
                 android:value="com.android.settings.inputmethod.InputMethodAndSubtypeEnabler" />
             <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
                 android:resource="@id/language_settings" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_TITLE"
+                android:resource="@string/language_keyboard_settings_title" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_CLASS"
+                android:value="com.android.settings.Settings$InputMethodAndLanguageSettingsActivity" />
         </activity>
 
         <activity android:name="PhysicalKeyboardSettings"
@@ -354,6 +374,10 @@
                 android:value="com.android.settings.UserDictionarySettings" />
             <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
                 android:resource="@id/language_settings" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_TITLE"
+                android:resource="@string/language_keyboard_settings_title" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_CLASS"
+                android:value="com.android.settings.Settings$InputMethodAndLanguageSettingsActivity" />
         </activity>
 
         <activity android:name="Settings$SoundSettingsActivity"
@@ -475,6 +499,10 @@
                 android:value="com.android.settings.applications.ManageApplications" />
             <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
                 android:resource="@id/application_settings" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_TITLE"
+                android:resource="@string/applications_settings_header" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_CLASS"
+                android:value="com.android.settings.Settings$ApplicationSettingsActivity" />
         </activity>
 
         <!-- Keep compatibility with old shortcuts. -->
@@ -518,6 +546,10 @@
                 android:value="com.android.settings.applications.ManageApplications" />
             <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
                 android:resource="@id/application_settings" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_TITLE"
+                android:resource="@string/applications_settings_header" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_CLASS"
+                android:value="com.android.settings.Settings$ApplicationSettingsActivity" />
         </activity>
 
         <!-- Provide direct entry into manage apps showing running services. -->
@@ -535,6 +567,10 @@
                 android:value="com.android.settings.applications.ManageApplications" />
             <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
                 android:resource="@id/application_settings" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_TITLE"
+                android:resource="@string/applications_settings_header" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_CLASS"
+                android:value="com.android.settings.Settings$ApplicationSettingsActivity" />
         </activity>
 
         <activity android:name="Settings$SecuritySettingsActivity"
@@ -752,6 +788,10 @@
                 android:value="com.android.settings.DevelopmentSettings" />
             <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
                 android:resource="@id/application_settings" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_TITLE"
+                android:resource="@string/applications_settings_header" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_CLASS"
+                android:value="com.android.settings.Settings$ApplicationSettingsActivity" />
         </activity>
 
 
@@ -927,6 +967,10 @@
                 android:value="com.android.settings.fuelgauge.PowerUsageSummary" />
             <meta-data android:name="com.android.settings.TOP_LEVEL_HEADER_ID"
                 android:resource="@id/application_settings" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_TITLE"
+                android:resource="@string/applications_settings_header" />
+            <meta-data android:name="com.android.settings.PARENT_FRAGMENT_CLASS"
+                android:value="com.android.settings.Settings$ApplicationSettingsActivity" />
         </activity>
 
         <activity
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 8bc4139..fb6cb06 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -487,7 +487,7 @@
     <!-- Main Settings screen settings title for things like Wi-Fi, bluetooth, airplane mode.  This will take you to another screen with those settings. -->
     <string name="radio_controls_title">Wireless &amp; networks</string>
     <!-- Wireless Settings screen title for things like Wi-Fi, bluetooth, airplane mode. -->
-    <string name="wireless_networks_settings_title">Wireless &amp; network settings</string>
+    <string name="wireless_networks_settings_title">Wireless &amp; networks</string>
     <!-- Main Settings screen settings summary text for the "Wireless controls" setting -->
     <string name="radio_controls_summary">Manage Wi-Fi, Bluetooth, airplane mode, mobile networks, &amp; VPNs</string>
 
@@ -1728,9 +1728,6 @@
     <!-- Bluetooth Tethering settings.  Message for untethering from a bluetooth device [CHAR LIMIT=50]-->
     <string name="bluetooth_untether_blank"><xliff:g id="device_name">%1$s</xliff:g> will be untethered.</string>
 
-    <string name="bluetooth_tether_settings_text">Bluetooth tethering settings</string>
-    <string name="bluetooth_tether_settings_subtext">Select Bluetooth devices to tether</string>
-
     <!-- Tethering help button - calls up a web view with general tethering info -->
     <string name="tethering_help_button_text">Help</string>
 
@@ -2183,7 +2180,7 @@
     <!-- Title of setting on main settings screen.  This item will take the user to the screen to tweak settings realted to locale and text -->
     <string name="language_settings">Language &amp; input</string>
     <!-- Title of Language and keyboard settings screen -->
-    <string name="language_keyboard_settings_title">Language &amp; keyboard settings</string>
+    <string name="language_keyboard_settings_title">Language &amp; input</string>
     <!-- On Language & keyboard settings screen, heading. Inside the "Language & keyboard settings" screen, this is the header for settings that relate to language (select the system language, user dictionary for the language). -->
     <string name="language_settings_category">Language settings</string>
     <!-- On Language & keyboard settings screen, heading. Inside the "Language & keyboard settings" screen, this is the header for settings that relate to keyboard (enable/disable each keyboard, settings for each keyboard). -->
diff --git a/res/xml/tether_prefs.xml b/res/xml/tether_prefs.xml
index d475a14..f16200d 100644
--- a/res/xml/tether_prefs.xml
+++ b/res/xml/tether_prefs.xml
@@ -38,15 +38,6 @@
         android:title="@string/bluetooth_tether_checkbox_text"
         android:persistent="false" />
 
-    <!-- BluetoothSettings will have extra argument to know this request is
-         for tethering, not for BT setting in general. -->
-    <PreferenceScreen
-        android:fragment="com.android.settings.bluetooth.BluetoothSettings"
-        android:key="bluetooth_tether_settings"
-        android:title="@string/bluetooth_tether_settings_text"
-        android:summary="@string/bluetooth_tether_settings_subtext" >
-    </PreferenceScreen>
-
     <PreferenceScreen
         android:key="tethering_help"
         android:title="@string/tethering_help_button_text" >
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 00706ad..b91c7ee 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -16,12 +16,17 @@
 
 package com.android.settings;
 
+import android.content.ComponentName;
 import android.content.Intent;
 import android.content.pm.ActivityInfo;
 import android.content.pm.PackageManager;
 import android.content.pm.PackageManager.NameNotFoundException;
 import android.os.Bundle;
 import android.preference.PreferenceActivity;
+import android.preference.PreferenceActivity.Header;
+import android.util.Log;
+import android.view.View;
+import android.view.View.OnClickListener;
 
 import java.util.HashMap;
 import java.util.List;
@@ -35,10 +40,20 @@
             "com.android.settings.TOP_LEVEL_HEADER_ID";
     private static final String META_DATA_KEY_FRAGMENT_CLASS =
             "com.android.settings.FRAGMENT_CLASS";
+    private static final String META_DATA_KEY_PARENT_TITLE =
+        "com.android.settings.PARENT_FRAGMENT_TITLE";
+    private static final String META_DATA_KEY_PARENT_FRAGMENT_CLASS =
+        "com.android.settings.PARENT_FRAGMENT_CLASS";
+
+    private static final String SAVE_KEY_CURRENT_HEADER = "com.android.settings.CURRENT_HEADER";
+    private static final String SAVE_KEY_PARENT_HEADER = "com.android.settings.PARENT_HEADER";
 
     private String mFragmentClass;
     private int mTopLevelHeaderId;
     private Header mFirstHeader;
+    private Header mCurrentHeader;
+    private Header mParentHeader;
+    private boolean mInLocalHeaderSwitch;
 
     // TODO: Update Call Settings based on airplane mode state.
 
@@ -47,7 +62,9 @@
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         getMetaData();
+        mInLocalHeaderSwitch = true;
         super.onCreate(savedInstanceState);
+        mInLocalHeaderSwitch = false;
 
         if (!onIsHidingHeaders() && onIsMultiPane()) {
             highlightHeader();
@@ -55,6 +72,84 @@
             // a specific settings screen.
             setTitle(R.string.settings_label);
         }
+
+        // Retrieve any saved state
+        if (savedInstanceState != null) {
+            mCurrentHeader = savedInstanceState.getParcelable(SAVE_KEY_CURRENT_HEADER);
+            mParentHeader = savedInstanceState.getParcelable(SAVE_KEY_PARENT_HEADER);
+        }
+
+        // If the current header was saved, switch to it
+        if (savedInstanceState != null && mCurrentHeader != null) {
+            //switchToHeaderLocal(mCurrentHeader);
+            showBreadCrumbs(mCurrentHeader.title, null);
+        }
+
+        if (mParentHeader != null) {
+            setParentTitle(mParentHeader.title, null, new OnClickListener() {
+                public void onClick(View v) {
+                    switchToParent(mParentHeader.fragment);
+                }
+            });
+        }
+    }
+
+    @Override
+    protected void onSaveInstanceState(Bundle outState) {
+        super.onSaveInstanceState(outState);
+
+        // Save the current fragment, if it is the same as originally launched
+        if (mCurrentHeader != null) {
+            outState.putParcelable(SAVE_KEY_CURRENT_HEADER, mCurrentHeader);
+        }
+        if (mParentHeader != null) {
+            outState.putParcelable(SAVE_KEY_PARENT_HEADER, mParentHeader);
+        }
+    }
+
+    private void switchToHeaderLocal(Header header) {
+        mInLocalHeaderSwitch = true;
+        switchToHeader(header);
+        mInLocalHeaderSwitch = false;
+    }
+
+    @Override
+    public void switchToHeader(Header header) {
+        if (!mInLocalHeaderSwitch) {
+            mCurrentHeader = null;
+            mParentHeader = null;
+        }
+        super.switchToHeader(header);
+    }
+
+    /**
+     * Switch to parent fragment and store the grand parent's info
+     * @param class name of the activity wrapper for the parent fragment.
+     */
+    private void switchToParent(String className) {
+        final ComponentName cn = new ComponentName(this, className);
+        try {
+            final PackageManager pm = getPackageManager();
+            final ActivityInfo parentInfo = pm.getActivityInfo(cn, PackageManager.GET_META_DATA);
+
+            if (parentInfo != null && parentInfo.metaData != null) {
+                String fragmentClass = parentInfo.metaData.getString(META_DATA_KEY_FRAGMENT_CLASS);
+                CharSequence fragmentTitle = parentInfo.loadLabel(pm);
+                Header parentHeader = new Header();
+                parentHeader.fragment = fragmentClass;
+                parentHeader.title = fragmentTitle;
+                mCurrentHeader = parentHeader;
+
+                switchToHeaderLocal(parentHeader);
+
+                mParentHeader = new Header();
+                mParentHeader.fragment
+                        = parentInfo.metaData.getString(META_DATA_KEY_PARENT_FRAGMENT_CLASS);
+                mParentHeader.title = parentInfo.metaData.getString(META_DATA_KEY_PARENT_TITLE);
+            }
+        } catch (NameNotFoundException nnfe) {
+            Log.w("Settings", "Could not find parent activity : " + className);
+        }
     }
 
     @Override
@@ -64,7 +159,7 @@
         // If it is not launched from history, then reset to top-level
         if ((intent.getFlags() & Intent.FLAG_ACTIVITY_LAUNCHED_FROM_HISTORY) == 0
                 && mFirstHeader != null) {
-            switchToHeader(mFirstHeader);
+            switchToHeaderLocal(mFirstHeader);
         }
     }
 
@@ -126,7 +221,9 @@
         if (fragmentClass != null) {
             Header header = new Header();
             header.fragment = fragmentClass;
+            header.title = getTitle();
             header.fragmentArguments = getIntent().getExtras();
+            mCurrentHeader = header;
             return header;
         }
         return super.onGetInitialHeader();
@@ -178,6 +275,17 @@
             if (ai == null || ai.metaData == null) return;
             mTopLevelHeaderId = ai.metaData.getInt(META_DATA_KEY_HEADER_ID);
             mFragmentClass = ai.metaData.getString(META_DATA_KEY_FRAGMENT_CLASS);
+            
+            // Check if it has a parent specified and create a Header object
+            final int parentHeaderTitleRes = ai.metaData.getInt(META_DATA_KEY_PARENT_TITLE);
+            String parentFragmentClass = ai.metaData.getString(META_DATA_KEY_PARENT_FRAGMENT_CLASS);
+            if (parentFragmentClass != null) {
+                mParentHeader = new Header();
+                mParentHeader.fragment = parentFragmentClass;
+                if (parentHeaderTitleRes != 0) {
+                    mParentHeader.title = getResources().getString(parentHeaderTitleRes);
+                }
+            }
         } catch (NameNotFoundException nnfe) {
         }
     }
diff --git a/src/com/android/settings/TetherSettings.java b/src/com/android/settings/TetherSettings.java
index bc27dc0..81d23ab 100644
--- a/src/com/android/settings/TetherSettings.java
+++ b/src/com/android/settings/TetherSettings.java
@@ -51,7 +51,6 @@
     private static final String ENABLE_WIFI_AP = "enable_wifi_ap";
     private static final String WIFI_AP_SETTINGS = "wifi_ap_settings";
     private static final String ENABLE_BLUETOOTH_TETHERING = "enable_bluetooth_tethering";
-    private static final String BLUETOOTH_TETHER_SETTINGS = "bluetooth_tether_settings";
     private static final String TETHERING_HELP = "tethering_help";
     private static final String USB_HELP_MODIFIER = "usb_";
     private static final String WIFI_HELP_MODIFIER = "wifi_";
@@ -68,7 +67,6 @@
     private WifiApEnabler mWifiApEnabler;
 
     private CheckBoxPreference mBluetoothTether;
-    private PreferenceScreen mBluetoothSettings;
 
     private PreferenceScreen mTetherHelp;
 
@@ -97,7 +95,6 @@
         mWifiApSettings = (PreferenceScreen) findPreference(WIFI_AP_SETTINGS);
         mUsbTether = (CheckBoxPreference) findPreference(USB_TETHER_SETTINGS);
         mBluetoothTether = (CheckBoxPreference) findPreference(ENABLE_BLUETOOTH_TETHERING);
-        mBluetoothSettings = (PreferenceScreen) findPreference(BLUETOOTH_TETHER_SETTINGS);
         mTetherHelp = (PreferenceScreen) findPreference(TETHERING_HELP);
 
         ConnectivityManager cm =
@@ -121,14 +118,11 @@
         }
         if (!bluetoothAvailable) {
             getPreferenceScreen().removePreference(mBluetoothTether);
-            getPreferenceScreen().removePreference(mBluetoothSettings);
         } else {
             if (mBluetoothPan.isTetheringOn()) {
                 mBluetoothTether.setChecked(true);
-                mBluetoothSettings.setEnabled(true);
             } else {
                 mBluetoothTether.setChecked(false);
-                mBluetoothSettings.setEnabled(false);
             }
         }
         /* Don't change the title for two-pane settings
@@ -360,17 +354,14 @@
         int btState = adapter.getState();
         if (btState == BluetoothAdapter.STATE_TURNING_OFF) {
             mBluetoothTether.setEnabled(false);
-            mBluetoothSettings.setEnabled(false);
             mBluetoothTether.setSummary(R.string.wifi_stopping);
         } else if (btState == BluetoothAdapter.STATE_TURNING_ON) {
             mBluetoothTether.setEnabled(false);
-            mBluetoothSettings.setEnabled(false);
             mBluetoothTether.setSummary(R.string.bluetooth_turning_on);
         } else if (mBluetoothPan.isTetheringOn()) {
             mBluetoothTether.setChecked(true);
             if (btState == BluetoothAdapter.STATE_ON) {
                 mBluetoothTether.setEnabled(true);
-                mBluetoothSettings.setEnabled(true);
                 if (bluetoothTethered) {
                     mBluetoothTether.setSummary(R.string.bluetooth_tethering_connected_subtext);
                 } else if (bluetoothErrored) {
@@ -382,7 +373,6 @@
         } else {
             mBluetoothTether.setEnabled(true);
             mBluetoothTether.setChecked(false);
-            mBluetoothSettings.setEnabled(false);
             mBluetoothTether.setSummary(R.string.bluetooth_tethering_off_subtext);
         }
     }
@@ -433,9 +423,6 @@
                     adapter.enable();
                     mBluetoothTether.setSummary(R.string.bluetooth_turning_on);
                     mBluetoothTether.setEnabled(false);
-                    mBluetoothSettings.setEnabled(false);
-                } else {
-                    mBluetoothSettings.setEnabled(true);
                 }
 
                 mBluetoothPan.setBluetoothTethering(true);
@@ -453,16 +440,12 @@
                 }
 
                 mBluetoothPan.setBluetoothTethering(false);
-                mBluetoothSettings.setEnabled(false);
                 if (errored) {
                     mBluetoothTether.setSummary(R.string.bluetooth_tethering_errored_subtext);
                 } else {
                     mBluetoothTether.setSummary(R.string.bluetooth_tethering_off_subtext);
                 }
             }
-        } else if (preference == mBluetoothSettings) {
-            preference.getExtras().putString(BluetoothSettings.ACTION,
-                    BluetoothSettings.ACTION_LAUNCH_TETHER_PICKER);
         } else if (preference == mTetherHelp) {
             showDialog(DIALOG_TETHER_HELP);
             return true;
diff --git a/src/com/android/settings/bluetooth/BluetoothEventRedirector.java b/src/com/android/settings/bluetooth/BluetoothEventRedirector.java
index 3042e3d..57e359d 100644
--- a/src/com/android/settings/bluetooth/BluetoothEventRedirector.java
+++ b/src/com/android/settings/bluetooth/BluetoothEventRedirector.java
@@ -142,6 +142,8 @@
                         Profile.HID, newState);
 
             } else if (action.equals(BluetoothPan.ACTION_PAN_STATE_CHANGED)) {
+                // TODO: uncomment and execute for reverse tethering only
+/*
                 final int newState = intent.getIntExtra(
                         BluetoothPan.EXTRA_PAN_STATE, 0);
                 final int oldState = intent.getIntExtra(
@@ -152,6 +154,7 @@
                 }
                 mManager.getCachedDeviceManager().onProfileStateChanged(device,
                         Profile.PAN, newState);
+*/
 
             } else if (action.equals(BluetoothDevice.ACTION_CLASS_CHANGED)) {
                 mManager.getCachedDeviceManager().onBtClassChanged(device);
diff --git a/src/com/android/settings/bluetooth/BluetoothSettings.java b/src/com/android/settings/bluetooth/BluetoothSettings.java
index aae1311..89efd72 100644
--- a/src/com/android/settings/bluetooth/BluetoothSettings.java
+++ b/src/com/android/settings/bluetooth/BluetoothSettings.java
@@ -42,6 +42,7 @@
 import android.preference.PreferenceCategory;
 import android.preference.PreferenceScreen;
 import android.text.TextUtils;
+import android.util.Log;
 import android.view.View;
 
 import java.util.List;
@@ -65,24 +66,21 @@
 
     private static final int SCREEN_TYPE_SETTINGS = 0;
     private static final int SCREEN_TYPE_DEVICEPICKER = 1;
-    private static final int SCREEN_TYPE_TETHERING = 2;
-    private static final int SCREEN_TYPE_SCAN = 3;
+    private static final int SCREEN_TYPE_SCAN = 2;
 
     public static final String ACTION = "bluetooth_action";
-    public static final String ACTION_LAUNCH_TETHER_PICKER =
-            "com.android.settings.bluetooth.action.LAUNCH_TETHER_PICKER";
     public static final String ACTION_LAUNCH_SCAN_MODE =
             "com.android.settings.bluetooth.action.LAUNCH_SCAN_MODE";
 
-    private int mScreenType;
+    /*package*/ int mScreenType;
     private int mFilterType;
     private boolean mNeedAuth;
     private String mLaunchPackage;
     private String mLaunchClass;
 
-    private BluetoothDevice mSelectedDevice= null;
+    /*package*/ BluetoothDevice mSelectedDevice= null;
 
-    private LocalBluetoothManager mLocalManager;
+    /*package*/ LocalBluetoothManager mLocalManager;
 
     private BluetoothEnabler mEnabler;
     private BluetoothDiscoverableEnabler mDiscoverableEnabler;
@@ -111,8 +109,6 @@
                         if (mScreenType == SCREEN_TYPE_DEVICEPICKER) {
                             sendDevicePickedIntent(device);
                             finish();
-                        } else if (mScreenType == SCREEN_TYPE_TETHERING) {
-                            onPanDevicePicked();
                         } else if (mScreenType == SCREEN_TYPE_SCAN) {
                             finish();
                         }
@@ -168,12 +164,6 @@
 
             activity.setTitle(activity.getString(R.string.device_picker));
             addPreferencesFromResource(R.xml.device_picker);
-        } else if (action.equals(ACTION_LAUNCH_TETHER_PICKER)) {
-            mScreenType = SCREEN_TYPE_TETHERING;
-            mFilterType = BluetoothDevicePicker.FILTER_TYPE_PANU;
-
-            activity.setTitle(activity.getString(R.string.device_picker));
-            addPreferencesFromResource(R.xml.device_picker);
         } else if (action.equals(ACTION_LAUNCH_SCAN_MODE)) {
             mScreenType = SCREEN_TYPE_SCAN;
 
@@ -293,15 +283,9 @@
                 } else {
                     btPreference.getCachedDevice().onClicked();
                 }
-            } else if (mScreenType == SCREEN_TYPE_TETHERING) {
-                mLocalManager.stopScanning();
-                mLocalManager.persistSelectedDeviceInPicker(mSelectedDevice.getAddress());
-                if ((device.getBondState() == BluetoothDevice.BOND_BONDED)) {
-                    onPanDevicePicked();
-                    // don't call finish so that users can see it connecting
-                } else {
-                    btPreference.getCachedDevice().onClicked();
-                }
+            } else {
+                Log.e(TAG, "onPreferenceTreeClick has invalid mScreenType: "
+                        + mScreenType);
             }
             return true;
         }
@@ -391,14 +375,10 @@
     }
 
     private void createDevicePreference(CachedBluetoothDevice cachedDevice) {
-        BluetoothDevicePreference preference;
-        if (mScreenType == SCREEN_TYPE_TETHERING) {
-            preference = new BluetoothDevicePreference(
-                    getActivity(), cachedDevice, CachedBluetoothDevice.PAN_PROFILE);
-        } else {
-            preference = new BluetoothDevicePreference(
-                    getActivity(), cachedDevice, CachedBluetoothDevice.OTHER_PROFILES);
-        }
+        BluetoothDevicePreference preference = new BluetoothDevicePreference(
+                getActivity(), cachedDevice,
+                CachedBluetoothDevice.OTHER_PROFILES);
+
         if (mScreenType == SCREEN_TYPE_SETTINGS) {
             preference.setOnSettingsClickListener(this);
         }
@@ -422,7 +402,8 @@
             ((ProgressCategory) mDeviceList).setProgress(start);
         }
     }
-    private void onBluetoothStateChanged(int bluetoothState) {
+
+    /*package*/ void onBluetoothStateChanged(int bluetoothState) {
         // When bluetooth is enabled (and we are in the activity, which we are),
         // we should start a scan
         if (bluetoothState == BluetoothAdapter.STATE_ON) {
@@ -434,47 +415,7 @@
         }
     }
 
-    private void onPanDevicePicked() {
-        final Activity activity = getActivity();
-        final LocalBluetoothProfileManager profileManager =
-            LocalBluetoothProfileManager.getProfileManager(mLocalManager, Profile.PAN);
-        int status = profileManager.getConnectionStatus(mSelectedDevice);
-        if (SettingsBtStatus.isConnectionStatusConnected(status)) {
-            String name = mSelectedDevice.getName();
-            if (TextUtils.isEmpty(name)) {
-                name = activity.getString(R.string.bluetooth_device);
-            }
-            String message = activity.getString(R.string.bluetooth_untether_blank, name);
-            DialogInterface.OnClickListener disconnectListener =
-                new DialogInterface.OnClickListener() {
-                public void onClick(DialogInterface dialog, int which) {
-                    profileManager.disconnect(mSelectedDevice);
-                }
-            };
-            new AlertDialog.Builder(activity)
-                .setTitle(name)
-                .setMessage(message)
-                .setPositiveButton(android.R.string.ok, disconnectListener)
-                .setNegativeButton(android.R.string.cancel, null)
-                .create()
-                .show();
-        } else if (status == SettingsBtStatus.CONNECTION_STATUS_DISCONNECTED) {
-            if (profileManager.getConnectedDevices().size() >= BluetoothPan.MAX_CONNECTIONS) {
-                new AlertDialog.Builder(activity)
-                    .setIcon(android.R.drawable.ic_dialog_alert)
-                    .setTitle(R.string.bluetooth_error_title)
-                    .setMessage(activity.getString(R.string.bluetooth_tethering_overflow_error,
-                            BluetoothPan.MAX_CONNECTIONS))
-                    .setNegativeButton(android.R.string.ok, null)
-                    .create()
-                    .show();
-                return;
-            }
-            profileManager.connect(mSelectedDevice);
-        }
-    }
-
-    private void sendDevicePickedIntent(BluetoothDevice device) {
+    /*package*/ void sendDevicePickedIntent(BluetoothDevice device) {
         Intent intent = new Intent(BluetoothDevicePicker.ACTION_DEVICE_SELECTED);
         intent.putExtra(BluetoothDevice.EXTRA_DEVICE, device);
         if (mScreenType == SCREEN_TYPE_DEVICEPICKER &&
diff --git a/src/com/android/settings/vpn/VpnSettings.java b/src/com/android/settings/vpn/VpnSettings.java
index ea16f9d..c11b2fd 100644
--- a/src/com/android/settings/vpn/VpnSettings.java
+++ b/src/com/android/settings/vpn/VpnSettings.java
@@ -197,6 +197,17 @@
     }
 
     @Override
+    public void onDestroy() {
+        super.onDestroy();
+        // Remove any onClick listeners
+        if (mVpnListContainer != null) {
+            for (int i = 0; i < mVpnListContainer.getPreferenceCount(); i++) {
+                mVpnListContainer.getPreference(i).setOnPreferenceClickListener(null);
+            }
+        }
+    }
+
+    @Override
     public Dialog onCreateDialog (int id) {
         switch (id) {
             case DIALOG_CONNECT:
@@ -1050,6 +1061,7 @@
                             changeState(p, VpnState.IDLE);
                         }
                     }
+                    if (getActivity() == null) return;
                     getActivity().unbindService(this);
                     showPreferences();
                 }
@@ -1058,6 +1070,7 @@
                     cv.open();
 
                     setDefaultState(list);
+                    if (getActivity() == null) return;
                     getActivity().unbindService(this);
                     showPreferences();
                 }