diff --git a/core/res/res/drawable-hdpi/usb_android.png b/core/res/res/drawable-hdpi/usb_android.png
deleted file mode 100644
index 8b5b1a90658ae..0000000000000
Binary files a/core/res/res/drawable-hdpi/usb_android.png and /dev/null differ
diff --git a/core/res/res/drawable-hdpi/usb_android_connected.png b/core/res/res/drawable-hdpi/usb_android_connected.png
deleted file mode 100644
index 442f2b34638e2..0000000000000
Binary files a/core/res/res/drawable-hdpi/usb_android_connected.png and /dev/null differ
diff --git a/core/res/res/drawable-ldpi/usb_android.png b/core/res/res/drawable-ldpi/usb_android.png
deleted file mode 100644
index d7b1d93f9d2cd..0000000000000
Binary files a/core/res/res/drawable-ldpi/usb_android.png and /dev/null differ
diff --git a/core/res/res/drawable-ldpi/usb_android_connected.png b/core/res/res/drawable-ldpi/usb_android_connected.png
deleted file mode 100644
index c9d8439463b8d..0000000000000
Binary files a/core/res/res/drawable-ldpi/usb_android_connected.png and /dev/null differ
diff --git a/core/res/res/drawable-mdpi/usb_android.png b/core/res/res/drawable-mdpi/usb_android.png
deleted file mode 100644
index 492b6e192db97..0000000000000
Binary files a/core/res/res/drawable-mdpi/usb_android.png and /dev/null differ
diff --git a/core/res/res/drawable-mdpi/usb_android_connected.png b/core/res/res/drawable-mdpi/usb_android_connected.png
deleted file mode 100644
index 3dd295050b077..0000000000000
Binary files a/core/res/res/drawable-mdpi/usb_android_connected.png and /dev/null differ
diff --git a/core/res/res/drawable-xhdpi/usb_android.png b/core/res/res/drawable-xhdpi/usb_android.png
deleted file mode 100644
index 41fc29d18c54c..0000000000000
Binary files a/core/res/res/drawable-xhdpi/usb_android.png and /dev/null differ
diff --git a/core/res/res/drawable-xhdpi/usb_android_connected.png b/core/res/res/drawable-xhdpi/usb_android_connected.png
deleted file mode 100644
index 71f2d44518151..0000000000000
Binary files a/core/res/res/drawable-xhdpi/usb_android_connected.png and /dev/null differ
diff --git a/core/res/res/layout-land/usb_storage_activity.xml b/core/res/res/layout-land/usb_storage_activity.xml
deleted file mode 100644
index d52f0a5b2e196..0000000000000
--- a/core/res/res/layout-land/usb_storage_activity.xml
+++ /dev/null
@@ -1,77 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/main"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:gravity="center"
-    android:padding="18dip"
-    android:orientation="horizontal"
-    >
-
-    <ImageView android:id="@+id/icon"
-        android:layout_centerHorizontal="true"
-        android:layout_alignParentTop="true"
-        android:layout_height="wrap_content"
-        android:layout_width="0dip"
-        android:layout_weight="1"
-        android:src="@drawable/usb_android" />
-
-    <RelativeLayout 
-        android:layout_height="wrap_content"
-        android:layout_width="0dip"
-        android:layout_weight="1"
-        >
-
-        <TextView android:id="@+id/banner"
-            android:layout_centerHorizontal="true"
-            android:layout_alignParentTop="true"
-            android:layout_marginTop="10dip"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:textSize="24sp"
-            android:gravity="center"
-            android:text="@string/usb_storage_title" />
-
-        <TextView android:id="@+id/message"
-            android:layout_below="@id/banner"
-            android:layout_marginTop="10dip"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:textSize="14sp"
-            android:gravity="center"
-            android:text="@string/usb_storage_message" />
-
-        <RelativeLayout
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:layout_centerHorizontal="true"
-            android:layout_alignParentBottom="true"
-            android:layout_marginBottom="20dip"
-            >
-
-            <Button android:id="@+id/mount_button" 
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:paddingStart="18dip"
-                android:paddingEnd="18dip"
-                android:text="@string/usb_storage_button_mount"
-                />
-            <Button android:id="@+id/unmount_button"
-                android:visibility="gone"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:paddingStart="18dip"
-                android:paddingEnd="18dip"
-                android:text="@string/usb_storage_stop_button_mount"
-                />
-            <ProgressBar android:id="@+id/progress"
-                android:visibility="gone"
-                android:layout_width="wrap_content"
-                android:layout_height="wrap_content"
-                android:indeterminate="true"
-                style="?android:attr/progressBarStyle"
-                />
-
-        </RelativeLayout>
-    </RelativeLayout>
-</LinearLayout>
diff --git a/core/res/res/layout/usb_storage_activity.xml b/core/res/res/layout/usb_storage_activity.xml
deleted file mode 100644
index 6dae0f970d336..0000000000000
--- a/core/res/res/layout/usb_storage_activity.xml
+++ /dev/null
@@ -1,68 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
-    android:id="@+id/main"
-    android:layout_width="match_parent"
-    android:layout_height="match_parent"
-    android:gravity="center"
-    android:padding="18dip"
-    >
-
-    <ImageView android:id="@+id/icon"
-        android:layout_centerHorizontal="true"
-        android:layout_alignParentTop="true"
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:src="@drawable/usb_android" />
-
-    <TextView android:id="@+id/banner"
-        android:layout_centerHorizontal="true"
-        android:layout_below="@id/icon"
-        android:layout_marginTop="10dip"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:textSize="24sp"
-        android:gravity="center"
-        android:text="@string/usb_storage_title" />
-
-    <TextView android:id="@+id/message"
-        android:layout_below="@id/banner"
-        android:layout_marginTop="10dip"
-        android:layout_width="match_parent"
-        android:layout_height="wrap_content"
-        android:textSize="14sp"
-        android:gravity="center"
-        android:text="@string/usb_storage_message" />
-
-    <RelativeLayout
-        android:layout_width="wrap_content"
-        android:layout_height="wrap_content"
-        android:layout_centerHorizontal="true"
-        android:layout_alignParentBottom="true"
-        android:layout_marginBottom="20dip"
-        >
-
-        <Button android:id="@+id/mount_button" 
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:paddingStart="18dip"
-            android:paddingEnd="18dip"
-            android:text="@string/usb_storage_button_mount"
-            />
-        <Button android:id="@+id/unmount_button"
-            android:visibility="gone"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:paddingStart="18dip"
-            android:paddingEnd="18dip"
-            android:text="@string/usb_storage_stop_button_mount"
-            />
-        <ProgressBar android:id="@+id/progress"
-            android:visibility="gone"
-            android:layout_width="wrap_content"
-            android:layout_height="wrap_content"
-            android:indeterminate="true"
-            style="?android:attr/progressBarStyle"
-            />
-
-    </RelativeLayout>
-</RelativeLayout>
diff --git a/core/res/res/values/strings.xml b/core/res/res/values/strings.xml
index 62e54e6748563..104a5bb34e6bd 100644
--- a/core/res/res/values/strings.xml
+++ b/core/res/res/values/strings.xml
@@ -2827,53 +2827,7 @@
     <string name="no_permissions">No permissions required</string>
     <!-- [CHAR LIMIT=NONE] Additional text in permission description for perms that can cost money. -->
     <string name="perm_costs_money">this may cost you money</string>
-
-    <!-- USB storage dialog strings -->
-    <!-- This is the title for the activity's window. -->
-    <string name="usb_storage_activity_title">USB mass storage</string>
-
-    <!-- See USB_STORAGE.  USB_STORAGE_DIALOG:  After the user selects the notification, a dialog is shown asking if he wants to mount.  This is the title. -->
-    <string name="usb_storage_title">USB connected</string>
-    <!-- See USB_STORAGE.    This is the message. [CHAR LIMIT=NONE] -->
-    <string name="usb_storage_message" product="nosdcard">You\'ve connected to your computer via USB. Touch the button below if you want to copy files between your computer and your Android\'s USB storage.</string>
-    <!-- See USB_STORAGE.    This is the message. [CHAR LIMIT=NONE] -->
-    <string name="usb_storage_message" product="default">You\'ve connected to your computer via USB. Touch the button below if you want to copy files between your computer and your Android\'s SD card.</string>
-    <!-- See USB_STORAGE.    This is the button text to mount the phone on the computer. -->
-    <string name="usb_storage_button_mount">Turn on USB storage</string>
-    <!-- See USB_STORAGE_DIALOG.  If there was an error mounting, this is the text. [CHAR LIMIT=NONE] -->
-    <string name="usb_storage_error_message" product="nosdcard">There\'s a problem using your USB storage for USB mass storage.</string>
-    <!-- See USB_STORAGE_DIALOG.  If there was an error mounting, this is the text. -->
-    <string name="usb_storage_error_message" product="default">There\'s a problem using your SD card for USB mass storage.</string>
-    <!-- USB_STORAGE: When the user connects the phone to a computer via USB, we show a notification asking if he wants to share files across.  This is the title -->
-    <string name="usb_storage_notification_title">USB connected</string>
-    <!-- See USB_STORAGE. This is the message. -->
-    <string name="usb_storage_notification_message">Touch to copy files to/from your computer.</string>
-
-    <!-- USB_STORAGE_STOP: While USB storage is enabled, we show a notification dialog asking if he wants to stop. This is the title -->
-    <string name="usb_storage_stop_notification_title">Turn off USB storage</string>
-    <!-- See USB_STORAGE. This is the message. -->
-    <string name="usb_storage_stop_notification_message">Touch to turn off USB storage.</string>
-
-    <!-- USB storage stop dialog strings -->
-    <!-- This is the label for the activity, and should never be visible to the user. -->
-    <!-- See USB_STORAGE_STOP.  USB_STORAGE_STOP_DIALOG:  After the user selects the notification, a dialog is shown asking if he wants to stop usb storage.  This is the title. -->
-    <string name="usb_storage_stop_title">USB storage in use</string>
-    <!-- See USB_STORAGE_STOP.    This is the message. [CHAR LIMIT=NONE] -->
-    <string name="usb_storage_stop_message" product="nosdcard">Before turning off USB storage, unmount (\"eject\") your Android\'s USB storage from your computer.</string>
-    <!-- See USB_STORAGE_STOP.    This is the message. -->
-    <string name="usb_storage_stop_message" product="default">Before turning off USB storage, unmount (\"eject\") your Android\'s SD card from your computer.</string>
-    <!-- See USB_STORAGE_STOP.    This is the button text to stop usb storage. -->
-    <string name="usb_storage_stop_button_mount">Turn off USB storage</string>
-    <!-- See USB_STORAGE_STOP_DIALOG.  If there was an error stopping, this is the text. -->
-    <string name="usb_storage_stop_error_message">There was a problem turning off USB storage. Check that you\'ve unmounted the USB host, then try again.</string>
-
-    <!-- USB_STORAGE_KILL_STORAGE_USERS dialog  -->
-    <string name="dlg_confirm_kill_storage_users_title">Turn on USB storage</string>
-    <!-- USB_STORAGE_KILL_STORAGE_USERS dialog message text -->
-    <string name="dlg_confirm_kill_storage_users_text">If you turn on USB storage, some apps you\'re using will stop and may be unavailable until you turn off USB storage.</string>
-    <!-- USB_STORAGE_ERROR dialog  dialog-->
-    <string name="dlg_error_title">USB operation unsuccessful</string>
-    <!-- USB_STORAGE_ERROR dialog  ok button-->
+    <!-- Dialog ok button-->
     <string name="dlg_ok">OK</string>
 
     <!-- USB_PREFERENCES: Notification for when the user connected to the charger only.  This is the title -->
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index d8131f9d604d3..4e9488ac0b82e 100755
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -1883,16 +1883,7 @@
   <java-symbol type="drawable" name="scrubber_control_disabled_holo" />
   <java-symbol type="drawable" name="scrubber_control_selector_holo" />
   <java-symbol type="drawable" name="scrubber_progress_horizontal_holo_dark" />
-  <java-symbol type="drawable" name="usb_android" />
-  <java-symbol type="drawable" name="usb_android_connected" />
-  <java-symbol type="id" name="banner" />
-  <java-symbol type="id" name="mount_button" />
-  <java-symbol type="id" name="unmount_button" />
-  <java-symbol type="layout" name="usb_storage_activity" />
   <java-symbol type="string" name="chooseUsbActivity" />
-  <java-symbol type="string" name="dlg_confirm_kill_storage_users_text" />
-  <java-symbol type="string" name="dlg_confirm_kill_storage_users_title" />
-  <java-symbol type="string" name="dlg_error_title" />
   <java-symbol type="string" name="ext_media_badremoval_notification_message" />
   <java-symbol type="string" name="ext_media_badremoval_notification_title" />
   <java-symbol type="string" name="ext_media_checking_notification_message" />
@@ -1916,15 +1907,6 @@
   <java-symbol type="string" name="ext_media_move_success_message" />
   <java-symbol type="string" name="ext_media_move_failure_title" />
   <java-symbol type="string" name="ext_media_move_failure_message" />
-  <java-symbol type="string" name="usb_storage_error_message" />
-  <java-symbol type="string" name="usb_storage_message" />
-  <java-symbol type="string" name="usb_storage_notification_message" />
-  <java-symbol type="string" name="usb_storage_notification_title" />
-  <java-symbol type="string" name="usb_storage_stop_message" />
-  <java-symbol type="string" name="usb_storage_stop_notification_message" />
-  <java-symbol type="string" name="usb_storage_stop_notification_title" />
-  <java-symbol type="string" name="usb_storage_stop_title" />
-  <java-symbol type="string" name="usb_storage_title" />
   <java-symbol type="style" name="Animation.RecentApplications" />
   <java-symbol type="integer" name="dock_enter_exit_duration" />
 
diff --git a/packages/SystemUI/AndroidManifest.xml b/packages/SystemUI/AndroidManifest.xml
index fea7f94b5aee1..4f81d7d9d08da 100644
--- a/packages/SystemUI/AndroidManifest.xml
+++ b/packages/SystemUI/AndroidManifest.xml
@@ -174,11 +174,6 @@
             </intent-filter>
         </receiver>
 
-        <activity android:name=".usb.UsbStorageActivity"
-                  android:label="@*android:string/usb_storage_activity_title"
-                  android:excludeFromRecents="true">
-        </activity>
-
         <activity android:name=".tuner.TunerActivity"
                   android:enabled="false"
                   android:icon="@drawable/tuner"
diff --git a/packages/SystemUI/src/com/android/systemui/usb/UsbStorageActivity.java b/packages/SystemUI/src/com/android/systemui/usb/UsbStorageActivity.java
deleted file mode 100644
index a4075342db63e..0000000000000
--- a/packages/SystemUI/src/com/android/systemui/usb/UsbStorageActivity.java
+++ /dev/null
@@ -1,329 +0,0 @@
-/*
- * Copyright (C) 2007 Google Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.systemui.usb;
-
-import android.app.Activity;
-import android.app.ActivityManager;
-import android.app.AlertDialog;
-import android.app.Dialog;
-import android.content.BroadcastReceiver;
-import android.content.Context;
-import android.content.DialogInterface;
-import android.content.DialogInterface.OnCancelListener;
-import android.content.Intent;
-import android.content.IntentFilter;
-import android.content.pm.ApplicationInfo;
-import android.hardware.usb.UsbManager;
-import android.os.Bundle;
-import android.os.Environment;
-import android.os.Handler;
-import android.os.HandlerThread;
-import android.os.IBinder;
-import android.os.RemoteException;
-import android.os.ServiceManager;
-import android.os.storage.IMountService;
-import android.os.storage.StorageEventListener;
-import android.os.storage.StorageManager;
-import android.util.Log;
-import android.view.View;
-import android.view.WindowManager;
-import android.widget.Button;
-import android.widget.ImageView;
-import android.widget.ProgressBar;
-import android.widget.TextView;
-
-import com.android.internal.R;
-
-import java.util.List;
-
-/**
- * This activity is shown to the user to allow enabling of USB mass storage
- * on-demand (that is, when the USB cable is connected). It uses the alert
- * dialog style. It will be launched from a notification.
- */
-public class UsbStorageActivity extends Activity
-        implements View.OnClickListener, OnCancelListener {
-    private static final String TAG = "UsbStorageActivity";
-
-    private Button mMountButton;
-    private Button mUnmountButton;
-    private ProgressBar mProgressBar;
-    private TextView mBanner;
-    private TextView mMessage;
-    private ImageView mIcon;
-    private StorageManager mStorageManager = null;
-    private static final int DLG_CONFIRM_KILL_STORAGE_USERS = 1;
-    private static final int DLG_ERROR_SHARING = 2;
-    static final boolean localLOGV = false;
-    private boolean mDestroyed;
-
-    // UI thread
-    private Handler mUIHandler;
-
-    // thread for working with the storage services, which can be slow
-    private Handler mAsyncStorageHandler;
-
-    /** Used to detect when the USB cable is unplugged, so we can call finish() */
-    private BroadcastReceiver mUsbStateReceiver = new BroadcastReceiver() {
-        @Override
-        public void onReceive(Context context, Intent intent) {
-            if (intent.getAction().equals(UsbManager.ACTION_USB_STATE)) {
-                handleUsbStateChanged(intent);
-            }
-        }
-    };
-
-    private StorageEventListener mStorageListener = new StorageEventListener() {
-        @Override
-        public void onStorageStateChanged(String path, String oldState, String newState) {
-            final boolean on = newState.equals(Environment.MEDIA_SHARED);
-            switchDisplay(on);
-        }
-    };
-
-    @Override
-    protected void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        if (mStorageManager == null) {
-            mStorageManager = (StorageManager) getSystemService(Context.STORAGE_SERVICE);
-            if (mStorageManager == null) {
-                Log.w(TAG, "Failed to get StorageManager");
-            }
-        }
-
-        mUIHandler = new Handler();
-
-        HandlerThread thr = new HandlerThread("SystemUI UsbStorageActivity");
-        thr.start();
-        mAsyncStorageHandler = new Handler(thr.getLooper());
-
-        getWindow().addFlags(WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD);
-        if (Environment.isExternalStorageRemovable()) {
-            getWindow().addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
-        }
-
-        setContentView(com.android.internal.R.layout.usb_storage_activity);
-
-        mIcon = (ImageView) findViewById(com.android.internal.R.id.icon);
-        mBanner = (TextView) findViewById(com.android.internal.R.id.banner);
-        mMessage = (TextView) findViewById(com.android.internal.R.id.message);
-
-        mMountButton = (Button) findViewById(com.android.internal.R.id.mount_button);
-        mMountButton.setOnClickListener(this);
-        mUnmountButton = (Button) findViewById(com.android.internal.R.id.unmount_button);
-        mUnmountButton.setOnClickListener(this);
-        mProgressBar = (ProgressBar) findViewById(com.android.internal.R.id.progress);
-    }
-
-    @Override
-    protected void onDestroy() {
-        super.onDestroy();
-        mDestroyed = true;
-    }
-
-    private void switchDisplay(final boolean usbStorageInUse) {
-        mUIHandler.post(new Runnable() {
-            @Override
-            public void run() {
-                switchDisplayAsync(usbStorageInUse);
-            }
-        });
-    }
-
-    private void switchDisplayAsync(boolean usbStorageInUse) {
-        if (usbStorageInUse) {
-            mProgressBar.setVisibility(View.GONE);
-            mUnmountButton.setVisibility(View.VISIBLE);
-            mMountButton.setVisibility(View.GONE);
-            mIcon.setImageResource(com.android.internal.R.drawable.usb_android_connected);
-            mBanner.setText(com.android.internal.R.string.usb_storage_stop_title);
-            mMessage.setText(com.android.internal.R.string.usb_storage_stop_message);
-        } else {
-            mProgressBar.setVisibility(View.GONE);
-            mUnmountButton.setVisibility(View.GONE);
-            mMountButton.setVisibility(View.VISIBLE);
-            mIcon.setImageResource(com.android.internal.R.drawable.usb_android);
-            mBanner.setText(com.android.internal.R.string.usb_storage_title);
-            mMessage.setText(com.android.internal.R.string.usb_storage_message);
-        }
-    }
-
-    @Override
-    protected void onResume() {
-        super.onResume();
-
-        mStorageManager.registerListener(mStorageListener);
-        registerReceiver(mUsbStateReceiver, new IntentFilter(UsbManager.ACTION_USB_STATE));
-        try {
-            mAsyncStorageHandler.post(new Runnable() {
-                @Override
-                public void run() {
-                    switchDisplay(mStorageManager.isUsbMassStorageEnabled());
-                }
-            });
-        } catch (Exception ex) {
-            Log.e(TAG, "Failed to read UMS enable state", ex);
-        }
-    }
-
-    @Override
-    protected void onPause() {
-        super.onPause();
-
-        unregisterReceiver(mUsbStateReceiver);
-        if (mStorageManager == null && mStorageListener != null) {
-            mStorageManager.unregisterListener(mStorageListener);
-        }
-    }
-
-    private void handleUsbStateChanged(Intent intent) {
-        boolean connected = intent.getExtras().getBoolean(UsbManager.USB_CONNECTED);
-        if (!connected) {
-            // It was disconnected from the plug, so finish
-            finish();
-        }
-    }
-
-    private IMountService getMountService() {
-        IBinder service = ServiceManager.getService("mount");
-        if (service != null) {
-            return IMountService.Stub.asInterface(service);
-        }
-        return null;
-    }
-
-    @Override
-    public Dialog onCreateDialog(int id, Bundle args) {
-        switch (id) {
-        case DLG_CONFIRM_KILL_STORAGE_USERS:
-            return new AlertDialog.Builder(this)
-                    .setTitle(R.string.dlg_confirm_kill_storage_users_title)
-                    .setPositiveButton(R.string.dlg_ok, new DialogInterface.OnClickListener() {
-                        public void onClick(DialogInterface dialog, int which) {
-                            switchUsbMassStorage(true);
-                        }})
-                    .setNegativeButton(R.string.cancel, null)
-                    .setMessage(R.string.dlg_confirm_kill_storage_users_text)
-                    .setOnCancelListener(this)
-                    .create();
-        case DLG_ERROR_SHARING:
-            return new AlertDialog.Builder(this)
-                    .setTitle(R.string.dlg_error_title)
-                    .setNeutralButton(R.string.dlg_ok, null)
-                    .setMessage(R.string.usb_storage_error_message)
-                    .setOnCancelListener(this)
-                    .create();
-        }
-        return null;
-    }
-
-    private void scheduleShowDialog(final int id) {
-        mUIHandler.post(new Runnable() {
-            @Override
-            public void run() {
-                if (!mDestroyed) {
-                    removeDialog(id);
-                    showDialog(id);
-                }
-            }
-        });
-    }
-
-    private void switchUsbMassStorage(final boolean on) {
-        // things to do on the UI thread
-        mUIHandler.post(new Runnable() {
-            @Override
-            public void run() {
-                mUnmountButton.setVisibility(View.GONE);
-                mMountButton.setVisibility(View.GONE);
-
-                mProgressBar.setVisibility(View.VISIBLE);
-                // will be hidden once USB mass storage kicks in (or fails)
-            }
-        });
-
-        // things to do elsewhere
-        mAsyncStorageHandler.post(new Runnable() {
-            @Override
-            public void run() {
-                if (on) {
-                    mStorageManager.enableUsbMassStorage();
-                } else {
-                    mStorageManager.disableUsbMassStorage();
-                }
-            }
-        });
-    }
-
-    private void checkStorageUsers() {
-        mAsyncStorageHandler.post(new Runnable() {
-            @Override
-            public void run() {
-                checkStorageUsersAsync();
-            }
-        });
-    }
-
-    private void checkStorageUsersAsync() {
-        IMountService ims = getMountService();
-        if (ims == null) {
-            // Display error dialog
-            scheduleShowDialog(DLG_ERROR_SHARING);
-        }
-        String extStoragePath = Environment.getExternalStorageDirectory().toString();
-        boolean showDialog = false;
-        try {
-            int[] stUsers = ims.getStorageUsers(extStoragePath);
-            if (stUsers != null && stUsers.length > 0) {
-                showDialog = true;
-            } else {
-                // List of applications on sdcard.
-                ActivityManager am = (ActivityManager)getSystemService(Context.ACTIVITY_SERVICE);
-                List<ApplicationInfo> infoList = am.getRunningExternalApplications();
-                if (infoList != null && infoList.size() > 0) {
-                    showDialog = true;
-                }
-            }
-        } catch (RemoteException e) {
-            // Display error dialog
-            scheduleShowDialog(DLG_ERROR_SHARING);
-        }
-        if (showDialog) {
-            // Display dialog to user
-            scheduleShowDialog(DLG_CONFIRM_KILL_STORAGE_USERS);
-        } else {
-            if (localLOGV) Log.i(TAG, "Enabling UMS");
-            switchUsbMassStorage(true);
-        }
-    }
-
-    public void onClick(View v) {
-        if (v == mMountButton) {
-           // Check for list of storage users and display dialog if needed.
-            checkStorageUsers();
-        } else if (v == mUnmountButton) {
-            if (localLOGV) Log.i(TAG, "Disabling UMS");
-            switchUsbMassStorage(false);
-        }
-    }
-
-    public void onCancel(DialogInterface dialog) {
-        finish();
-    }
-
-}