Merge "Restore alpha animation to status bar rhs icons." into klp-dev
diff --git a/api/current.txt b/api/current.txt
index 7a00fb9..c7b3ed9 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -5623,6 +5623,7 @@
     method public void attachInfo(android.content.Context, android.content.pm.ProviderInfo);
     method public int bulkInsert(android.net.Uri, android.content.ContentValues[]);
     method public android.os.Bundle call(java.lang.String, java.lang.String, android.os.Bundle);
+    method public android.net.Uri canonicalize(android.net.Uri);
     method public abstract int delete(android.net.Uri, java.lang.String, java.lang.String[]);
     method public void dump(java.io.FileDescriptor, java.io.PrintWriter, java.lang.String[]);
     method public final java.lang.String getCallingPackage();
@@ -5652,6 +5653,7 @@
     method protected final void setReadPermission(java.lang.String);
     method protected final void setWritePermission(java.lang.String);
     method public void shutdown();
+    method public android.net.Uri uncanonicalize(android.net.Uri);
     method public abstract int update(android.net.Uri, android.content.ContentValues, java.lang.String, java.lang.String[]);
   }
 
@@ -5663,6 +5665,7 @@
     method public android.content.ContentProviderResult[] applyBatch(java.util.ArrayList<android.content.ContentProviderOperation>) throws android.content.OperationApplicationException, android.os.RemoteException;
     method public int bulkInsert(android.net.Uri, android.content.ContentValues[]) throws android.os.RemoteException;
     method public android.os.Bundle call(java.lang.String, java.lang.String, android.os.Bundle) throws android.os.RemoteException;
+    method public final android.net.Uri canonicalize(android.net.Uri) throws android.os.RemoteException;
     method public int delete(android.net.Uri, java.lang.String, java.lang.String[]) throws android.os.RemoteException;
     method public android.content.ContentProvider getLocalContentProvider();
     method public java.lang.String[] getStreamTypes(android.net.Uri, java.lang.String) throws android.os.RemoteException;
@@ -5677,6 +5680,7 @@
     method public android.database.Cursor query(android.net.Uri, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String) throws android.os.RemoteException;
     method public android.database.Cursor query(android.net.Uri, java.lang.String[], java.lang.String, java.lang.String[], java.lang.String, android.os.CancellationSignal) throws android.os.RemoteException;
     method public boolean release();
+    method public final android.net.Uri uncanonicalize(android.net.Uri) throws android.os.RemoteException;
     method public int update(android.net.Uri, android.content.ContentValues, java.lang.String, java.lang.String[]) throws android.os.RemoteException;
   }
 
@@ -5742,6 +5746,7 @@
     method public final android.os.Bundle call(android.net.Uri, java.lang.String, java.lang.String, android.os.Bundle);
     method public deprecated void cancelSync(android.net.Uri);
     method public static void cancelSync(android.accounts.Account, java.lang.String);
+    method public final android.net.Uri canonicalize(android.net.Uri);
     method public final int delete(android.net.Uri, java.lang.String, java.lang.String[]);
     method public static deprecated android.content.SyncInfo getCurrentSync();
     method public static java.util.List<android.content.SyncInfo> getCurrentSyncs();
@@ -5779,6 +5784,7 @@
     method public static void setMasterSyncAutomatically(boolean);
     method public static void setSyncAutomatically(android.accounts.Account, java.lang.String, boolean);
     method public deprecated void startSync(android.net.Uri, android.os.Bundle);
+    method public final android.net.Uri uncanonicalize(android.net.Uri);
     method public final void unregisterContentObserver(android.database.ContentObserver);
     method public final int update(android.net.Uri, android.content.ContentValues, java.lang.String, java.lang.String[]);
     method public static void validateSyncExtrasBundle(android.os.Bundle);
diff --git a/core/java/android/content/ContentProvider.java b/core/java/android/content/ContentProvider.java
index 24c396a..65a3a07 100644
--- a/core/java/android/content/ContentProvider.java
+++ b/core/java/android/content/ContentProvider.java
@@ -348,10 +348,36 @@
         }
 
         @Override
-        public ICancellationSignal createCancellationSignal() throws RemoteException {
+        public ICancellationSignal createCancellationSignal() {
             return CancellationSignal.createTransport();
         }
 
+        @Override
+        public Uri canonicalize(String callingPkg, Uri uri) {
+            if (enforceReadPermission(callingPkg, uri) != AppOpsManager.MODE_ALLOWED) {
+                return null;
+            }
+            mCallingPackage.set(callingPkg);
+            try {
+                return ContentProvider.this.canonicalize(uri);
+            } finally {
+                mCallingPackage.set(null);
+            }
+        }
+
+        @Override
+        public Uri uncanonicalize(String callingPkg, Uri uri) {
+            if (enforceReadPermission(callingPkg, uri) != AppOpsManager.MODE_ALLOWED) {
+                return null;
+            }
+            mCallingPackage.set(callingPkg);
+            try {
+                return ContentProvider.this.uncanonicalize(uri);
+            } finally {
+                mCallingPackage.set(null);
+            }
+        }
+
         private void enforceFilePermission(String callingPkg, Uri uri, String mode)
                 throws FileNotFoundException, SecurityException {
             if (mode != null && mode.indexOf('w') != -1) {
@@ -841,6 +867,56 @@
     public abstract String getType(Uri uri);
 
     /**
+     * Implement this to support canonicalization of URIs that refer to your
+     * content provider.  A canonical URI is one that can be transported across
+     * devices, backup/restore, and other contexts, and still be able to refer
+     * to the same data item.  Typically this is implemented by adding query
+     * params to the URI allowing the content provider to verify that an incoming
+     * canonical URI references the same data as it was originally intended for and,
+     * if it doesn't, to find that data (if it exists) in the current environment.
+     *
+     * <p>For example, if the content provider holds people and a normal URI in it
+     * is created with a row index into that people database, the cananical representation
+     * may have an additional query param at the end which specifies the name of the
+     * person it is intended for.  Later calls into the provider with that URI will look
+     * up the row of that URI's base index and, if it doesn't match or its entry's
+     * name doesn't match the name in the query param, perform a query on its database
+     * to find the correct row to operate on.</p>
+     *
+     * <p>If you implement support for canonical URIs, <b>all</b> incoming calls with
+     * URIs (including this one) must perform this verification and recovery of any
+     * canonical URIs they receive.  In addition, you must also implement
+     * {@link #uncanonicalize} to strip the canonicalization of any of these URIs.</p>
+     *
+     * <p>The default implementation of this method returns null, indicating that
+     * canonical URIs are not supported.</p>
+     *
+     * @param url The Uri to canonicalize.
+     *
+     * @return Return the canonical representation of <var>url</var>, or null if
+     * canonicalization of that Uri is not supported.
+     */
+    public Uri canonicalize(Uri url) {
+        return null;
+    }
+
+    /**
+     * Remove canonicalization from canonical URIs previously returned by
+     * {@link #canonicalize}.  For example, if your implementation is to add
+     * a query param to canonicalize a URI, this method can simply trip any
+     * query params on the URI.  The default implementation always returns the
+     * same <var>url</var> that was passed in.
+     *
+     * @param url The Uri to remove any canonicalization from.
+     *
+     * @return Return the non-canonical representation of <var>url</var>, or return
+     * the <var>url</var> as-is if there is nothing to do.  Never return null.
+     */
+    public Uri uncanonicalize(Uri url) {
+        return url;
+    }
+
+    /**
      * @hide
      * Implementation when a caller has performed an insert on the content
      * provider, but that call has been rejected for the operation given
diff --git a/core/java/android/content/ContentProviderClient.java b/core/java/android/content/ContentProviderClient.java
index 4e8dd82..e6d9b24 100644
--- a/core/java/android/content/ContentProviderClient.java
+++ b/core/java/android/content/ContentProviderClient.java
@@ -110,6 +110,30 @@
         }
     }
 
+    /** See {@link ContentProvider#canonicalize} */
+    public final Uri canonicalize(Uri url) throws RemoteException {
+        try {
+            return mContentProvider.canonicalize(mPackageName, url);
+        } catch (DeadObjectException e) {
+            if (!mStable) {
+                mContentResolver.unstableProviderDied(mContentProvider);
+            }
+            throw e;
+        }
+    }
+
+    /** See {@link ContentProvider#uncanonicalize} */
+    public final Uri uncanonicalize(Uri url) throws RemoteException {
+        try {
+            return mContentProvider.uncanonicalize(mPackageName, url);
+        } catch (DeadObjectException e) {
+            if (!mStable) {
+                mContentResolver.unstableProviderDied(mContentProvider);
+            }
+            throw e;
+        }
+    }
+
     /** See {@link ContentProvider#insert ContentProvider.insert} */
     public Uri insert(Uri url, ContentValues initialValues)
             throws RemoteException {
diff --git a/core/java/android/content/ContentProviderNative.java b/core/java/android/content/ContentProviderNative.java
index 744e68c..bcf0b63 100644
--- a/core/java/android/content/ContentProviderNative.java
+++ b/core/java/android/content/ContentProviderNative.java
@@ -323,6 +323,30 @@
                     reply.writeStrongBinder(cancellationSignal.asBinder());
                     return true;
                 }
+
+                case CANONICALIZE_TRANSACTION:
+                {
+                    data.enforceInterface(IContentProvider.descriptor);
+                    String callingPkg = data.readString();
+                    Uri url = Uri.CREATOR.createFromParcel(data);
+
+                    Uri out = canonicalize(callingPkg, url);
+                    reply.writeNoException();
+                    Uri.writeToParcel(reply, out);
+                    return true;
+                }
+
+                case UNCANONICALIZE_TRANSACTION:
+                {
+                    data.enforceInterface(IContentProvider.descriptor);
+                    String callingPkg = data.readString();
+                    Uri url = Uri.CREATOR.createFromParcel(data);
+
+                    Uri out = uncanonicalize(callingPkg, url);
+                    reply.writeNoException();
+                    Uri.writeToParcel(reply, out);
+                    return true;
+                }
             }
         } catch (Exception e) {
             DatabaseUtils.writeExceptionToParcel(reply, e);
@@ -685,5 +709,46 @@
         }
     }
 
+    public Uri canonicalize(String callingPkg, Uri url) throws RemoteException
+    {
+        Parcel data = Parcel.obtain();
+        Parcel reply = Parcel.obtain();
+        try {
+            data.writeInterfaceToken(IContentProvider.descriptor);
+
+            data.writeString(callingPkg);
+            url.writeToParcel(data, 0);
+
+            mRemote.transact(IContentProvider.CANONICALIZE_TRANSACTION, data, reply, 0);
+
+            DatabaseUtils.readExceptionFromParcel(reply);
+            Uri out = Uri.CREATOR.createFromParcel(reply);
+            return out;
+        } finally {
+            data.recycle();
+            reply.recycle();
+        }
+    }
+
+    public Uri uncanonicalize(String callingPkg, Uri url) throws RemoteException {
+        Parcel data = Parcel.obtain();
+        Parcel reply = Parcel.obtain();
+        try {
+            data.writeInterfaceToken(IContentProvider.descriptor);
+
+            data.writeString(callingPkg);
+            url.writeToParcel(data, 0);
+
+            mRemote.transact(IContentProvider.UNCANONICALIZE_TRANSACTION, data, reply, 0);
+
+            DatabaseUtils.readExceptionFromParcel(reply);
+            Uri out = Uri.CREATOR.createFromParcel(reply);
+            return out;
+        } finally {
+            data.recycle();
+            reply.recycle();
+        }
+    }
+
     private IBinder mRemote;
 }
diff --git a/core/java/android/content/ContentResolver.java b/core/java/android/content/ContentResolver.java
index 8a5a56c..9f462aa 100644
--- a/core/java/android/content/ContentResolver.java
+++ b/core/java/android/content/ContentResolver.java
@@ -497,6 +497,86 @@
     }
 
     /**
+     * Transform the given <var>url</var> to a canonical representation of
+     * its referenced resource, which can be used across devices, persisted,
+     * backed up and restored, etc.  The returned Uri is still a fully capable
+     * Uri for use with its content provider, allowing you to do all of the
+     * same content provider operations as with the original Uri --
+     * {@link #query}, {@link #openInputStream(android.net.Uri)}, etc.  The
+     * only difference in behavior between the original and new Uris is that
+     * the content provider may need to do some additional work at each call
+     * using it to resolve it to the correct resource, especially if the
+     * canonical Uri has been moved to a different environment.
+     *
+     * <p>If you are moving a canonical Uri between environments, you should
+     * perform another call to {@link #canonicalize} with that original Uri to
+     * re-canonicalize it for the current environment.  Alternatively, you may
+     * want to use {@link #uncanonicalize} to transform it to a non-canonical
+     * Uri that works only in the current environment but potentially more
+     * efficiently than the canonical representation.</p>
+     *
+     * @param url The {@link Uri} that is to be transformed to a canonical
+     * representation.  Like all resolver calls, the input can be either
+     * a non-canonical or canonical Uri.
+     *
+     * @return Returns the official canonical representation of <var>url</var>,
+     * or null if the content provider does not support a canonical representation
+     * of the given Uri.  Many providers may not support canonicalization of some
+     * or all of their Uris.
+     *
+     * @see #uncanonicalize
+     */
+    public final Uri canonicalize(Uri url) {
+        IContentProvider provider = acquireProvider(url);
+        if (provider == null) {
+            return null;
+        }
+
+        try {
+            return provider.canonicalize(mPackageName, url);
+        } catch (RemoteException e) {
+            // Arbitrary and not worth documenting, as Activity
+            // Manager will kill this process shortly anyway.
+            return null;
+        } finally {
+            releaseProvider(provider);
+        }
+    }
+
+    /**
+     * Given a canonical Uri previously generated by {@link #canonicalize}, convert
+     * it to its local non-canonical form.  This can be useful in some cases where
+     * you know that you will only be using the Uri in the current environment and
+     * want to avoid any possible overhead when using it with the content
+     * provider.
+     *
+     * @param url The canonical {@link Uri} that is to be convered back to its
+     * non-canonical form.
+     *
+     * @return Returns the non-canonical representation of <var>url</var>.  This
+     * function never returns null; if there is no conversion to be done, it returns
+     * the same Uri that was provided.
+     *
+     * @see #canonicalize
+     */
+    public final Uri uncanonicalize(Uri url) {
+        IContentProvider provider = acquireProvider(url);
+        if (provider == null) {
+            return null;
+        }
+
+        try {
+            return provider.uncanonicalize(mPackageName, url);
+        } catch (RemoteException e) {
+            // Arbitrary and not worth documenting, as Activity
+            // Manager will kill this process shortly anyway.
+            return null;
+        } finally {
+            releaseProvider(provider);
+        }
+    }
+
+    /**
      * Open a stream on to the content associated with a content URI.  If there
      * is no data associated with the URI, FileNotFoundException is thrown.
      *
diff --git a/core/java/android/content/IContentProvider.java b/core/java/android/content/IContentProvider.java
index 6ea8876..f92a404 100644
--- a/core/java/android/content/IContentProvider.java
+++ b/core/java/android/content/IContentProvider.java
@@ -59,6 +59,9 @@
             throws RemoteException;
     public ICancellationSignal createCancellationSignal() throws RemoteException;
 
+    public Uri canonicalize(String callingPkg, Uri uri) throws RemoteException;
+    public Uri uncanonicalize(String callingPkg, Uri uri) throws RemoteException;
+
     // Data interchange.
     public String[] getStreamTypes(Uri url, String mimeTypeFilter) throws RemoteException;
     public AssetFileDescriptor openTypedAssetFile(String callingPkg, Uri url, String mimeType,
@@ -80,4 +83,6 @@
     static final int GET_STREAM_TYPES_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 21;
     static final int OPEN_TYPED_ASSET_FILE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 22;
     static final int CREATE_CANCELATION_SIGNAL_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 23;
+    static final int CANONICALIZE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 24;
+    static final int UNCANONICALIZE_TRANSACTION = IBinder.FIRST_CALL_TRANSACTION + 25;
 }
diff --git a/core/java/android/print/IPrinterDiscoveryObserver.aidl b/core/java/android/print/IPrinterDiscoveryObserver.aidl
index 71198f7..b558011 100644
--- a/core/java/android/print/IPrinterDiscoveryObserver.aidl
+++ b/core/java/android/print/IPrinterDiscoveryObserver.aidl
@@ -16,7 +16,6 @@
 
 package android.print;
 
-import android.print.IPrintClient;
 import android.print.PrinterId;
 import android.print.PrinterInfo;
 
diff --git a/packages/DocumentsUI/res/drawable/item_doc_grid.xml b/packages/DocumentsUI/res/drawable/item_doc_grid.xml
new file mode 100644
index 0000000..3f036f7
--- /dev/null
+++ b/packages/DocumentsUI/res/drawable/item_doc_grid.xml
@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2013 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:drawable="@drawable/ic_grid_card_background" />
+</selector>
diff --git a/packages/DocumentsUI/res/drawable/item_root.xml b/packages/DocumentsUI/res/drawable/item_root.xml
new file mode 100644
index 0000000..183d273
--- /dev/null
+++ b/packages/DocumentsUI/res/drawable/item_root.xml
@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2013 The Android Open Source Project
+
+     Licensed under the Apache License, Version 2.0 (the "License");
+     you may not use this file except in compliance with the License.
+     You may obtain a copy of the License at
+
+          http://www.apache.org/licenses/LICENSE-2.0
+
+     Unless required by applicable law or agreed to in writing, software
+     distributed under the License is distributed on an "AS IS" BASIS,
+     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+     See the License for the specific language governing permissions and
+     limitations under the License.
+-->
+
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true" android:drawable="@color/item_root_activated" />
+    <item android:state_activated="true" android:drawable="@color/item_root_activated" />
+    <item android:state_focused="true" android:drawable="@color/item_root_activated" />
+    <item android:drawable="@android:color/white" />
+</selector>
diff --git a/packages/DocumentsUI/res/layout/fragment_directory.xml b/packages/DocumentsUI/res/layout/fragment_directory.xml
index 67c5954..881349b 100644
--- a/packages/DocumentsUI/res/layout/fragment_directory.xml
+++ b/packages/DocumentsUI/res/layout/fragment_directory.xml
@@ -38,8 +38,6 @@
         android:layout_width="match_parent"
         android:layout_height="match_parent"
         android:listSelector="@android:color/transparent"
-        android:paddingTop="?android:attr/listPreferredItemPaddingStart"
-        android:paddingStart="?android:attr/listPreferredItemPaddingStart"
         android:visibility="gone" />
 
     <Button
diff --git a/packages/DocumentsUI/res/layout/item_doc_grid.xml b/packages/DocumentsUI/res/layout/item_doc_grid.xml
index 244214b..8d1fc9a 100644
--- a/packages/DocumentsUI/res/layout/item_doc_grid.xml
+++ b/packages/DocumentsUI/res/layout/item_doc_grid.xml
@@ -16,110 +16,111 @@
 
 <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
-    android:layout_height="180dip"
-    android:paddingBottom="?android:attr/listPreferredItemPaddingEnd"
-    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
+    android:layout_height="@dimen/grid_height"
+    android:background="@drawable/item_doc_grid"
+    android:foreground="@drawable/item_background">
 
-    <FrameLayout
+    <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:background="@color/chip"
-        android:foreground="@drawable/item_background"
-        android:duplicateParentState="true">
+        android:paddingBottom="6dp"
+        android:orientation="vertical">
 
-        <LinearLayout
+        <FrameLayout
             android:layout_width="match_parent"
-            android:layout_height="match_parent"
-            android:paddingBottom="6dp"
-            android:orientation="vertical">
+            android:layout_height="0dip"
+            android:layout_weight="1"
+            android:background="#fff">
 
             <ImageView
                 android:id="@android:id/icon"
                 android:layout_width="match_parent"
-                android:layout_height="0dip"
-                android:layout_weight="1"
-                android:background="#bbb"
+                android:layout_height="match_parent"
                 android:scaleType="centerInside"
                 android:contentDescription="@null" />
 
+            <ImageView
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:scaleType="fitXY"
+                android:src="@drawable/ic_grid_gradient_bg"
+                android:contentDescription="@null" />
+
+        </FrameLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:paddingTop="6dp"
+            android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+            android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
+
             <TextView
                 android:id="@android:id/title"
-                android:layout_width="match_parent"
+                android:layout_width="0dp"
                 android:layout_height="wrap_content"
+                android:layout_weight="1"
                 android:singleLine="true"
                 android:ellipsize="marquee"
-                android:paddingTop="6dp"
-                android:paddingStart="?android:attr/listPreferredItemPaddingStart"
-                android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
-                android:textAppearance="?android:attr/textAppearanceSmall"
+                android:textAppearance="?android:attr/textAppearanceMedium"
                 android:textAlignment="viewStart" />
 
-            <LinearLayout
-                android:id="@+id/summary_grid"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal"
-                android:paddingStart="?android:attr/listPreferredItemPaddingStart"
-                android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
-
-                <ImageView
-                    android:id="@android:id/icon1"
-                    android:layout_width="24dip"
-                    android:layout_height="24dip"
-                    android:layout_marginEnd="6dip"
-                    android:scaleType="centerInside"
-                    android:contentDescription="@null" />
-
-                <TextView
-                    android:id="@android:id/summary"
-                    android:layout_width="0dp"
-                    android:layout_height="wrap_content"
-                    android:layout_weight="1"
-                    android:layout_gravity="center_vertical"
-                    android:singleLine="true"
-                    android:ellipsize="marquee"
-                    android:textAlignment="viewStart"
-                    android:textAppearance="?android:attr/textAppearanceSmall" />
-
-            </LinearLayout>
-
-            <LinearLayout
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:orientation="horizontal"
-                android:paddingStart="?android:attr/listPreferredItemPaddingStart"
-                android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
-
-                <View
-                    android:layout_width="0dip"
-                    android:layout_height="0dip"
-                    android:layout_weight="1" />
-
-                <TextView
-                    android:id="@+id/size"
-                    android:layout_width="70dp"
-                    android:layout_height="wrap_content"
-                    android:layout_gravity="center_vertical"
-                    android:layout_marginEnd="8dp"
-                    android:singleLine="true"
-                    android:ellipsize="marquee"
-                    android:textAlignment="viewEnd"
-                    android:textAppearance="?android:attr/textAppearanceSmall" />
-
-                <TextView
-                    android:id="@+id/date"
-                    android:layout_width="70dp"
-                    android:layout_height="wrap_content"
-                    android:layout_gravity="center_vertical"
-                    android:singleLine="true"
-                    android:ellipsize="marquee"
-                    android:textAlignment="viewEnd"
-                    android:textAppearance="?android:attr/textAppearanceSmall" />
-
-            </LinearLayout>
+            <ImageView
+                android:id="@android:id/icon1"
+                android:layout_width="@dimen/root_icon_size"
+                android:layout_height="@dimen/root_icon_size"
+                android:layout_marginStart="8dip"
+                android:scaleType="centerInside"
+                android:contentDescription="@null" />
 
         </LinearLayout>
 
-    </FrameLayout>
+        <LinearLayout
+            android:id="@+id/line2"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+            android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
+
+            <TextView
+                android:id="@+id/date"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_vertical"
+                android:minWidth="80dp"
+                android:singleLine="true"
+                android:ellipsize="marquee"
+                android:textAlignment="viewStart"
+                android:textAppearance="?android:attr/textAppearanceSmall" />
+
+            <TextView
+                android:id="@+id/size"
+                android:layout_width="wrap_content"
+                android:layout_height="wrap_content"
+                android:layout_gravity="center_vertical"
+                android:layout_marginStart="8dp"
+                android:minWidth="80dp"
+                android:singleLine="true"
+                android:ellipsize="marquee"
+                android:textAlignment="viewStart"
+                android:textAppearance="?android:attr/textAppearanceSmall" />
+
+            <TextView
+                android:id="@android:id/summary"
+                android:layout_width="0dp"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:layout_gravity="center_vertical"
+                android:layout_marginStart="8dp"
+                android:singleLine="true"
+                android:ellipsize="marquee"
+                android:textAlignment="viewStart"
+                android:textAppearance="?android:attr/textAppearanceSmall" />
+
+        </LinearLayout>
+
+    </LinearLayout>
 
 </FrameLayout>
diff --git a/packages/DocumentsUI/res/layout/item_doc_list.xml b/packages/DocumentsUI/res/layout/item_doc_list.xml
index 37c5881..8372eed 100644
--- a/packages/DocumentsUI/res/layout/item_doc_list.xml
+++ b/packages/DocumentsUI/res/layout/item_doc_list.xml
@@ -27,9 +27,10 @@
 
     <ImageView
         android:id="@android:id/icon"
-        android:layout_width="@android:dimen/app_icon_size"
-        android:layout_height="@android:dimen/app_icon_size"
-        android:layout_marginEnd="8dip"
+        android:layout_width="@dimen/icon_size"
+        android:layout_height="@dimen/icon_size"
+        android:layout_marginStart="12dp"
+        android:layout_marginEnd="20dp"
         android:layout_gravity="center_vertical"
         android:scaleType="centerInside"
         android:contentDescription="@null" />
@@ -41,36 +42,43 @@
         android:layout_gravity="center_vertical"
         android:orientation="vertical">
 
-        <TextView
-            android:id="@android:id/title"
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:singleLine="true"
-            android:ellipsize="marquee"
-            android:textAppearance="?android:attr/textAppearanceMedium"
-            android:textAlignment="viewStart" />
-
         <LinearLayout
-            android:id="@+id/summary_list"
             android:layout_width="match_parent"
             android:layout_height="wrap_content"
             android:orientation="horizontal">
 
+            <TextView
+                android:id="@android:id/title"
+                android:layout_width="0dip"
+                android:layout_height="wrap_content"
+                android:layout_weight="1"
+                android:singleLine="true"
+                android:ellipsize="marquee"
+                android:textAppearance="?android:attr/textAppearanceMedium"
+                android:textAlignment="viewStart" />
+
             <ImageView
                 android:id="@android:id/icon1"
-                android:layout_width="24dip"
-                android:layout_height="24dip"
-                android:layout_marginEnd="6dip"
+                android:layout_width="@dimen/root_icon_size"
+                android:layout_height="@dimen/root_icon_size"
+                android:layout_marginStart="8dip"
                 android:scaleType="centerInside"
                 android:contentDescription="@null" />
 
+        </LinearLayout>
+
+        <LinearLayout
+            android:id="@+id/line2"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal">
+
             <TextView
-                android:id="@android:id/summary"
-                android:layout_width="0dp"
+                android:id="@+id/date"
+                android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
-                android:layout_weight="1"
                 android:layout_gravity="center_vertical"
-                android:layout_marginEnd="8dp"
+                android:minWidth="70dp"
                 android:singleLine="true"
                 android:ellipsize="marquee"
                 android:textAlignment="viewStart"
@@ -78,23 +86,26 @@
 
             <TextView
                 android:id="@+id/size"
-                android:layout_width="70dp"
+                android:layout_width="wrap_content"
                 android:layout_height="wrap_content"
                 android:layout_gravity="center_vertical"
-                android:layout_marginEnd="8dp"
+                android:minWidth="70dp"
+                android:layout_marginStart="8dp"
                 android:singleLine="true"
                 android:ellipsize="marquee"
-                android:textAlignment="viewEnd"
+                android:textAlignment="viewStart"
                 android:textAppearance="?android:attr/textAppearanceSmall" />
 
             <TextView
-                android:id="@+id/date"
-                android:layout_width="70dp"
+                android:id="@android:id/summary"
+                android:layout_width="0dp"
                 android:layout_height="wrap_content"
+                android:layout_weight="1"
                 android:layout_gravity="center_vertical"
+                android:layout_marginStart="8dp"
                 android:singleLine="true"
                 android:ellipsize="marquee"
-                android:textAlignment="viewEnd"
+                android:textAlignment="viewStart"
                 android:textAppearance="?android:attr/textAppearanceSmall" />
 
         </LinearLayout>
diff --git a/packages/DocumentsUI/res/layout/item_root.xml b/packages/DocumentsUI/res/layout/item_root.xml
index e9cf3aa..ce97b57 100644
--- a/packages/DocumentsUI/res/layout/item_root.xml
+++ b/packages/DocumentsUI/res/layout/item_root.xml
@@ -17,17 +17,17 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
-    android:minHeight="?android:attr/listPreferredItemHeight"
+    android:minHeight="?android:attr/listPreferredItemHeightSmall"
     android:paddingStart="?android:attr/listPreferredItemPaddingStart"
     android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
     android:gravity="center_vertical"
-    android:orientation="horizontal">
+    android:orientation="horizontal"
+    android:background="@drawable/item_root">
 
     <ImageView
         android:id="@android:id/icon"
-        android:layout_width="@android:dimen/app_icon_size"
-        android:layout_height="@android:dimen/app_icon_size"
-        android:layout_rowSpan="2"
+        android:layout_width="@dimen/icon_size"
+        android:layout_height="@dimen/icon_size"
         android:layout_marginEnd="8dip"
         android:scaleType="centerInside"
         android:contentDescription="@null" />
diff --git a/packages/DocumentsUI/res/layout/item_root_header.xml b/packages/DocumentsUI/res/layout/item_root_header.xml
index 2b9a46f..127b254 100644
--- a/packages/DocumentsUI/res/layout/item_root_header.xml
+++ b/packages/DocumentsUI/res/layout/item_root_header.xml
@@ -16,14 +16,4 @@
 
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@android:id/title"
-    android:layout_width="match_parent"
-    android:layout_height="wrap_content"
-    android:paddingStart="?android:attr/listPreferredItemPaddingStart"
-    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
-    android:paddingTop="8dp"
-    android:paddingBottom="8dp"
-    android:singleLine="true"
-    android:ellipsize="marquee"
-    android:textAllCaps="true"
-    android:textAppearance="?android:attr/textAppearanceSmall"
-    android:textAlignment="viewStart" />
+    style="?android:attr/listSeparatorTextViewStyle" />
diff --git a/packages/DocumentsUI/res/layout/item_title.xml b/packages/DocumentsUI/res/layout/item_title.xml
index eab3839..9594e4e 100644
--- a/packages/DocumentsUI/res/layout/item_title.xml
+++ b/packages/DocumentsUI/res/layout/item_title.xml
@@ -17,8 +17,20 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:minHeight="?android:attr/listPreferredItemHeightSmall"
+    android:paddingStart="?android:attr/listPreferredItemPaddingStart"
+    android:paddingEnd="?android:attr/listPreferredItemPaddingEnd"
     android:gravity="center_vertical"
-    android:orientation="vertical">
+    android:orientation="horizontal">
+
+    <ImageView
+        android:id="@+id/subdir"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:scaleType="centerInside"
+        android:visibility="gone"
+        android:src="@drawable/ic_subdirectory_arrow"
+        android:contentDescription="@null" />
 
     <TextView
         android:id="@android:id/title"
diff --git a/packages/DocumentsUI/res/values/colors.xml b/packages/DocumentsUI/res/values/colors.xml
index ff3e999..6d62759 100644
--- a/packages/DocumentsUI/res/values/colors.xml
+++ b/packages/DocumentsUI/res/values/colors.xml
@@ -16,4 +16,5 @@
 
 <resources>
     <color name="chip">#ddd</color>
+    <color name="item_root_activated">#cccccc</color>
 </resources>
diff --git a/packages/DocumentsUI/res/values/dimens.xml b/packages/DocumentsUI/res/values/dimens.xml
index e5c4138..e5b5b4e 100644
--- a/packages/DocumentsUI/res/values/dimens.xml
+++ b/packages/DocumentsUI/res/values/dimens.xml
@@ -15,5 +15,8 @@
 -->
 
 <resources>
+    <dimen name="icon_size">32dp</dimen>
+    <dimen name="root_icon_size">24dp</dimen>
     <dimen name="grid_width">180dp</dimen>
+    <dimen name="grid_height">180dp</dimen>
 </resources>
diff --git a/packages/DocumentsUI/src/com/android/documentsui/DirectoryFragment.java b/packages/DocumentsUI/src/com/android/documentsui/DirectoryFragment.java
index ba464f7..e594437 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/DirectoryFragment.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/DirectoryFragment.java
@@ -214,6 +214,12 @@
         updateDisplayState();
     }
 
+    @Override
+    public void onStart() {
+        super.onStart();
+        updateDisplayState();
+    }
+
     public void updateDisplayState() {
         final State state = getDisplayState(this);
 
@@ -541,7 +547,7 @@
 
             final ImageView icon = (ImageView) convertView.findViewById(android.R.id.icon);
             final TextView title = (TextView) convertView.findViewById(android.R.id.title);
-            final View summaryGrid = convertView.findViewById(R.id.summary_grid);
+            final View line2 = convertView.findViewById(R.id.line2);
             final ImageView icon1 = (ImageView) convertView.findViewById(android.R.id.icon1);
             final TextView summary = (TextView) convertView.findViewById(android.R.id.summary);
             final TextView date = (TextView) convertView.findViewById(R.id.date);
@@ -571,31 +577,32 @@
 
             title.setText(docDisplayName);
 
+            boolean hasLine2 = false;
+
             if (mType == TYPE_RECENT_OPEN) {
                 final RootInfo root = roots.getRoot(docAuthority, docRootId);
                 icon1.setVisibility(View.VISIBLE);
                 icon1.setImageDrawable(root.loadIcon(context));
                 summary.setText(root.getDirectoryString());
                 summary.setVisibility(View.VISIBLE);
+                summary.setTextAlignment(TextView.TEXT_ALIGNMENT_TEXT_END);
+                hasLine2 = true;
             } else {
                 icon1.setVisibility(View.GONE);
                 if (docSummary != null) {
                     summary.setText(docSummary);
                     summary.setVisibility(View.VISIBLE);
+                    hasLine2 = true;
                 } else {
                     summary.setVisibility(View.INVISIBLE);
                 }
             }
 
-            if (summaryGrid != null) {
-                summaryGrid.setVisibility(
-                        (summary.getVisibility() == View.VISIBLE) ? View.VISIBLE : View.GONE);
-            }
-
             if (docLastModified == -1) {
                 date.setText(null);
             } else {
                 date.setText(formatTime(context, docLastModified));
+                hasLine2 = true;
             }
 
             if (state.showSize) {
@@ -604,11 +611,14 @@
                     size.setText(null);
                 } else {
                     size.setText(Formatter.formatFileSize(context, docSize));
+                    hasLine2 = true;
                 }
             } else {
                 size.setVisibility(View.GONE);
             }
 
+            line2.setVisibility(hasLine2 ? View.VISIBLE : View.GONE);
+
             return convertView;
         }
 
diff --git a/packages/DocumentsUI/src/com/android/documentsui/DocumentsActivity.java b/packages/DocumentsUI/src/com/android/documentsui/DocumentsActivity.java
index e1f2606..38b2ee8 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/DocumentsActivity.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/DocumentsActivity.java
@@ -53,6 +53,7 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.BaseAdapter;
+import android.widget.ImageView;
 import android.widget.SearchView;
 import android.widget.SearchView.OnCloseListener;
 import android.widget.SearchView.OnQueryTextListener;
@@ -481,6 +482,8 @@
                 title.setText(doc.displayName);
             }
 
+            // No padding when shown in actionbar
+            convertView.setPadding(0, 0, 0, 0);
             return convertView;
         }
 
@@ -488,17 +491,20 @@
         public View getDropDownView(int position, View convertView, ViewGroup parent) {
             if (convertView == null) {
                 convertView = LayoutInflater.from(parent.getContext())
-                        .inflate(android.R.layout.simple_dropdown_item_1line, parent, false);
+                        .inflate(R.layout.item_title, parent, false);
             }
 
-            final TextView text1 = (TextView) convertView.findViewById(android.R.id.text1);
+            final ImageView subdir = (ImageView) convertView.findViewById(R.id.subdir);
+            final TextView title = (TextView) convertView.findViewById(android.R.id.title);
             final DocumentInfo doc = getItem(position);
 
             if (position == 0) {
                 final RootInfo root = getCurrentRoot();
-                text1.setText(root.title);
+                title.setText(root.title);
+                subdir.setVisibility(View.GONE);
             } else {
-                text1.setText(doc.displayName);
+                title.setText(doc.displayName);
+                subdir.setVisibility(View.VISIBLE);
             }
 
             return convertView;
@@ -566,6 +572,11 @@
             }
         }
 
+        final RootsFragment roots = RootsFragment.get(fm);
+        if (roots != null) {
+            roots.onCurrentRootChanged();
+        }
+
         updateActionBar();
         invalidateOptionsMenu();
         dumpStack();
diff --git a/packages/DocumentsUI/src/com/android/documentsui/RecentsCreateFragment.java b/packages/DocumentsUI/src/com/android/documentsui/RecentsCreateFragment.java
index fd7293d..461c415 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/RecentsCreateFragment.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/RecentsCreateFragment.java
@@ -181,7 +181,6 @@
 
             final ImageView icon = (ImageView) convertView.findViewById(android.R.id.icon);
             final TextView title = (TextView) convertView.findViewById(android.R.id.title);
-            final View summaryList = convertView.findViewById(R.id.summary_list);
 
             final DocumentStack stack = getItem(position);
             final RootInfo root = stack.getRoot(roots);
@@ -197,8 +196,6 @@
             title.setText(builder.toString());
             title.setEllipsize(TruncateAt.MIDDLE);
 
-            summaryList.setVisibility(View.GONE);
-
             return convertView;
         }
 
diff --git a/packages/DocumentsUI/src/com/android/documentsui/RootsFragment.java b/packages/DocumentsUI/src/com/android/documentsui/RootsFragment.java
index ef3a31d..efb972d 100644
--- a/packages/DocumentsUI/src/com/android/documentsui/RootsFragment.java
+++ b/packages/DocumentsUI/src/com/android/documentsui/RootsFragment.java
@@ -40,6 +40,7 @@
 import com.android.documentsui.SectionedListAdapter.SectionAdapter;
 import com.android.documentsui.model.DocumentInfo;
 import com.android.documentsui.model.RootInfo;
+import com.android.internal.util.Objects;
 
 import java.util.Comparator;
 import java.util.List;
@@ -78,6 +79,7 @@
         final View view = inflater.inflate(R.layout.fragment_roots, container, false);
         mList = (ListView) view.findViewById(android.R.id.list);
         mList.setOnItemClickListener(mItemListener);
+        mList.setChoiceMode(ListView.CHOICE_MODE_SINGLE);
 
         return view;
     }
@@ -100,6 +102,21 @@
 
         mAdapter = new SectionedRootsAdapter(context, matchingRoots, includeApps);
         mList.setAdapter(mAdapter);
+
+        onCurrentRootChanged();
+    }
+
+    public void onCurrentRootChanged() {
+        if (mAdapter == null) return;
+
+        final RootInfo root = ((DocumentsActivity) getActivity()).getCurrentRoot();
+        for (int i = 0; i < mAdapter.getCount(); i++) {
+            final Object item = mAdapter.getItem(i);
+            if (Objects.equal(item, root)) {
+                mList.setItemChecked(i, true);
+                return;
+            }
+        }
     }
 
     private OnItemClickListener mItemListener = new OnItemClickListener() {
diff --git a/services/java/com/android/server/BackupManagerService.java b/services/java/com/android/server/BackupManagerService.java
index ad9192a..c4eb7a4 100644
--- a/services/java/com/android/server/BackupManagerService.java
+++ b/services/java/com/android/server/BackupManagerService.java
@@ -5358,47 +5358,53 @@
     }
 
     // Enable/disable the backup service
+    @Override
     public void setBackupEnabled(boolean enable) {
         mContext.enforceCallingOrSelfPermission(android.Manifest.permission.BACKUP,
                 "setBackupEnabled");
 
         Slog.i(TAG, "Backup enabled => " + enable);
 
-        boolean wasEnabled = mEnabled;
-        synchronized (this) {
-            Settings.Secure.putInt(mContext.getContentResolver(),
-                    Settings.Secure.BACKUP_ENABLED, enable ? 1 : 0);
-            mEnabled = enable;
-        }
+        long oldId = Binder.clearCallingIdentity();
+        try {
+            boolean wasEnabled = mEnabled;
+            synchronized (this) {
+                Settings.Secure.putInt(mContext.getContentResolver(),
+                        Settings.Secure.BACKUP_ENABLED, enable ? 1 : 0);
+                mEnabled = enable;
+            }
 
-        synchronized (mQueueLock) {
-            if (enable && !wasEnabled && mProvisioned) {
-                // if we've just been enabled, start scheduling backup passes
-                startBackupAlarmsLocked(BACKUP_INTERVAL);
-            } else if (!enable) {
-                // No longer enabled, so stop running backups
-                if (DEBUG) Slog.i(TAG, "Opting out of backup");
+            synchronized (mQueueLock) {
+                if (enable && !wasEnabled && mProvisioned) {
+                    // if we've just been enabled, start scheduling backup passes
+                    startBackupAlarmsLocked(BACKUP_INTERVAL);
+                } else if (!enable) {
+                    // No longer enabled, so stop running backups
+                    if (DEBUG) Slog.i(TAG, "Opting out of backup");
 
-                mAlarmManager.cancel(mRunBackupIntent);
+                    mAlarmManager.cancel(mRunBackupIntent);
 
-                // This also constitutes an opt-out, so we wipe any data for
-                // this device from the backend.  We start that process with
-                // an alarm in order to guarantee wakelock states.
-                if (wasEnabled && mProvisioned) {
-                    // NOTE: we currently flush every registered transport, not just
-                    // the currently-active one.
-                    HashSet<String> allTransports;
-                    synchronized (mTransports) {
-                        allTransports = new HashSet<String>(mTransports.keySet());
+                    // This also constitutes an opt-out, so we wipe any data for
+                    // this device from the backend.  We start that process with
+                    // an alarm in order to guarantee wakelock states.
+                    if (wasEnabled && mProvisioned) {
+                        // NOTE: we currently flush every registered transport, not just
+                        // the currently-active one.
+                        HashSet<String> allTransports;
+                        synchronized (mTransports) {
+                            allTransports = new HashSet<String>(mTransports.keySet());
+                        }
+                        // build the set of transports for which we are posting an init
+                        for (String transport : allTransports) {
+                            recordInitPendingLocked(true, transport);
+                        }
+                        mAlarmManager.set(AlarmManager.RTC_WAKEUP, System.currentTimeMillis(),
+                                mRunInitIntent);
                     }
-                    // build the set of transports for which we are posting an init
-                    for (String transport : allTransports) {
-                        recordInitPendingLocked(true, transport);
-                    }
-                    mAlarmManager.set(AlarmManager.RTC_WAKEUP, System.currentTimeMillis(),
-                            mRunInitIntent);
                 }
             }
+        } finally {
+            Binder.restoreCallingIdentity(oldId);
         }
     }
 
diff --git a/services/java/com/android/server/ConnectivityService.java b/services/java/com/android/server/ConnectivityService.java
index ab0eb23..02a78de 100644
--- a/services/java/com/android/server/ConnectivityService.java
+++ b/services/java/com/android/server/ConnectivityService.java
@@ -3929,39 +3929,41 @@
 
     /**
      * No connection was possible to the network.
+     * This is NOT a warm sim.
      */
-    public static final int CMP_RESULT_CODE_NO_CONNECTION = 0;
+    private static final int CMP_RESULT_CODE_NO_CONNECTION = 0;
 
     /**
      * A connection was made to the internet, all is well.
+     * This is NOT a warm sim.
      */
-    public static final int CMP_RESULT_CODE_CONNECTABLE = 1;
-
-    /**
-     * A connection was made but there was a redirection, we appear to be in walled garden.
-     * This is an indication of a warm sim on a mobile network.
-     */
-    public static final int CMP_RESULT_CODE_REDIRECTED = 2;
+    private static final int CMP_RESULT_CODE_CONNECTABLE = 1;
 
     /**
      * A connection was made but no dns server was available to resolve a name to address.
-     * This is an indication of a warm sim on a mobile network.
+     * This is NOT a warm sim since provisioning network is supported.
      */
-    public static final int CMP_RESULT_CODE_NO_DNS = 3;
+    private static final int CMP_RESULT_CODE_NO_DNS = 2;
 
     /**
      * A connection was made but could not open a TCP connection.
-     * This is an indication of a warm sim on a mobile network.
+     * This is NOT a warm sim since provisioning network is supported.
      */
-    public static final int CMP_RESULT_CODE_NO_TCP_CONNECTION = 4;
+    private static final int CMP_RESULT_CODE_NO_TCP_CONNECTION = 3;
+
+    /**
+     * A connection was made but there was a redirection, we appear to be in walled garden.
+     * This is an indication of a warm sim on a mobile network such as T-Mobile.
+     */
+    private static final int CMP_RESULT_CODE_REDIRECTED = 4;
 
     /**
      * The mobile network is a provisioning network.
-     * This is an indication of a warm sim on a mobile network.
+     * This is an indication of a warm sim on a mobile network such as AT&T.
      */
-    public static final int CMP_RESULT_CODE_PROVISIONING_NETWORK = 5;
+    private static final int CMP_RESULT_CODE_PROVISIONING_NETWORK = 5;
 
-    AtomicBoolean mIsCheckingMobileProvisioning = new AtomicBoolean(false);
+    private AtomicBoolean mIsCheckingMobileProvisioning = new AtomicBoolean(false);
 
     @Override
     public int checkMobileProvisioning(int suggestedTimeOutMs) {
@@ -4036,7 +4038,9 @@
                             mNetTrackers[ConnectivityManager.TYPE_MOBILE_HIPRI].getNetworkInfo();
                     switch(result) {
                         case CMP_RESULT_CODE_CONNECTABLE:
-                        case CMP_RESULT_CODE_NO_CONNECTION: {
+                        case CMP_RESULT_CODE_NO_CONNECTION:
+                        case CMP_RESULT_CODE_NO_DNS:
+                        case CMP_RESULT_CODE_NO_TCP_CONNECTION: {
                             if (DBG) log("CheckMp.onComplete: ignore, connected or no connection");
                             break;
                         }
@@ -4055,8 +4059,7 @@
                             }
                             break;
                         }
-                        case CMP_RESULT_CODE_NO_DNS:
-                        case CMP_RESULT_CODE_NO_TCP_CONNECTION: {
+                        case CMP_RESULT_CODE_PROVISIONING_NETWORK: {
                             String url = getMobileProvisioningUrl();
                             if (TextUtils.isEmpty(url) == false) {
                                 if (DBG) log("CheckMp.onComplete: warm (no dns/tcp), url=" + url);
@@ -4222,8 +4225,8 @@
                         MobileDataStateTracker mdst = (MobileDataStateTracker)
                                 mCs.mNetTrackers[ConnectivityManager.TYPE_MOBILE_HIPRI];
                         if (mdst.isProvisioningNetwork()) {
-                            if (DBG) log("isMobileOk: isProvisioningNetwork is true, no TCP conn");
-                            result = CMP_RESULT_CODE_NO_TCP_CONNECTION;
+                            if (DBG) log("isMobileOk: isProvisioningNetwork is true");
+                            result = CMP_RESULT_CODE_PROVISIONING_NETWORK;
                             return result;
                         } else {
                             if (DBG) log("isMobileOk: isProvisioningNetwork is false, continue");
@@ -4303,25 +4306,37 @@
                                 urlConn.setAllowUserInteraction(false);
                                 urlConn.setRequestProperty("Connection", "close");
                                 int responseCode = urlConn.getResponseCode();
-                                if (responseCode == 204) {
-                                    result = CMP_RESULT_CODE_CONNECTABLE;
-                                } else {
-                                    result = CMP_RESULT_CODE_REDIRECTED;
-                                }
-                                log("isMobileOk: connected responseCode=" + responseCode);
+
+                                // For debug display the headers
+                                Map<String, List<String>> headers = urlConn.getHeaderFields();
+                                log("isMobileOk: headers=" + headers);
+
+                                // Close the connection
                                 urlConn.disconnect();
                                 urlConn = null;
-                                return result;
+
+                                if (responseCode == 204) {
+                                    // Return
+                                    log("isMobileOk: expected responseCode=" + responseCode);
+                                    result = CMP_RESULT_CODE_CONNECTABLE;
+                                    return result;
+                                } else {
+                                    // Retry to be sure this was redirected, we've gotten
+                                    // occasions where a server returned 200 even though
+                                    // the device didn't have a "warm" sim.
+                                    log("isMobileOk: not expected responseCode=" + responseCode);
+                                    result = CMP_RESULT_CODE_REDIRECTED;
+                                }
                             } catch (Exception e) {
                                 log("isMobileOk: HttpURLConnection Exception e=" + e);
+                                result = CMP_RESULT_CODE_NO_TCP_CONNECTION;
                                 if (urlConn != null) {
                                     urlConn.disconnect();
                                     urlConn = null;
                                 }
                             }
                         }
-                        result = CMP_RESULT_CODE_NO_TCP_CONNECTION;
-                        log("isMobileOk: loops|timed out");
+                        log("isMobileOk: loops|timed out result=" + result);
                         return result;
                     } catch (Exception e) {
                         log("isMobileOk: Exception e=" + e);
diff --git a/services/java/com/android/server/WallpaperManagerService.java b/services/java/com/android/server/WallpaperManagerService.java
index d677f24..162add4 100644
--- a/services/java/com/android/server/WallpaperManagerService.java
+++ b/services/java/com/android/server/WallpaperManagerService.java
@@ -821,6 +821,11 @@
             int serviceUserId = wallpaper.userId;
             ServiceInfo si = mIPackageManager.getServiceInfo(componentName,
                     PackageManager.GET_META_DATA | PackageManager.GET_PERMISSIONS, serviceUserId);
+            if (si == null) {
+                // The wallpaper component we're trying to use doesn't exist
+                Slog.w(TAG, "Attempted wallpaper " + componentName + " is unavailable");
+                return false;
+            }
             if (!android.Manifest.permission.BIND_WALLPAPER.equals(si.permission)) {
                 String msg = "Selected service does not require "
                         + android.Manifest.permission.BIND_WALLPAPER
diff --git a/services/java/com/android/server/print/UserState.java b/services/java/com/android/server/print/UserState.java
index 8fe979b..b37a0d9 100644
--- a/services/java/com/android/server/print/UserState.java
+++ b/services/java/com/android/server/print/UserState.java
@@ -779,21 +779,21 @@
                 return;
             }
             // Remove the printers for that service.
-            List<PrinterInfo> removedPrinters = null;
+            List<PrinterId> removedPrinterIds = null;
             final int printerCount = mPrinters.size();
             for (int i = 0; i < printerCount; i++) {
-                PrinterInfo printer = mPrinters.get(i);
-                if (printer.getId().getServiceName().equals(serviceName)) {
-                    if (removedPrinters == null) {
-                        removedPrinters = new ArrayList<PrinterInfo>();
+                PrinterId printerId = mPrinters.keyAt(i);
+                if (printerId.getServiceName().equals(serviceName)) {
+                    if (removedPrinterIds == null) {
+                        removedPrinterIds = new ArrayList<PrinterId>();
                     }
-                    removedPrinters.add(printer);
+                    removedPrinterIds.add(printerId);
                 }
             }
-            if (!removedPrinters.isEmpty()) {
+            if (!removedPrinterIds.isEmpty()) {
                 mHandler.obtainMessage(
                         SessionHandler.MSG_DISPATCH_PRINTERS_REMOVED,
-                        removedPrinters).sendToTarget();
+                        removedPrinterIds).sendToTarget();
             }
         }
 
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 4185aea..40201ad 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -412,12 +412,12 @@
         case RILConstants.NETWORK_MODE_GSM_UMTS:
         case RILConstants.NETWORK_MODE_LTE_GSM_WCDMA:
         case RILConstants.NETWORK_MODE_LTE_WCDMA:
+        case RILConstants.NETWORK_MODE_LTE_CMDA_EVDO_GSM_WCDMA:
             return PhoneConstants.PHONE_TYPE_GSM;
 
         // Use CDMA Phone for the global mode including CDMA
         case RILConstants.NETWORK_MODE_GLOBAL:
         case RILConstants.NETWORK_MODE_LTE_CDMA_EVDO:
-        case RILConstants.NETWORK_MODE_LTE_CMDA_EVDO_GSM_WCDMA:
             return PhoneConstants.PHONE_TYPE_CDMA;
 
         case RILConstants.NETWORK_MODE_LTE_ONLY:
diff --git a/test-runner/src/android/test/mock/MockContentProvider.java b/test-runner/src/android/test/mock/MockContentProvider.java
index 596ea0a..28d52b0 100644
--- a/test-runner/src/android/test/mock/MockContentProvider.java
+++ b/test-runner/src/android/test/mock/MockContentProvider.java
@@ -137,6 +137,16 @@
         public ICancellationSignal createCancellationSignal() throws RemoteException {
             return null;
         }
+
+        @Override
+        public Uri canonicalize(String callingPkg, Uri uri) throws RemoteException {
+            return MockContentProvider.this.canonicalize(uri);
+        }
+
+        @Override
+        public Uri uncanonicalize(String callingPkg, Uri uri) throws RemoteException {
+            return MockContentProvider.this.uncanonicalize(uri);
+        }
     }
     private final InversionIContentProvider mIContentProvider = new InversionIContentProvider();
 
diff --git a/test-runner/src/android/test/mock/MockIContentProvider.java b/test-runner/src/android/test/mock/MockIContentProvider.java
index b14ce49..c0dc7c3 100644
--- a/test-runner/src/android/test/mock/MockIContentProvider.java
+++ b/test-runner/src/android/test/mock/MockIContentProvider.java
@@ -114,4 +114,14 @@
     public ICancellationSignal createCancellationSignal() throws RemoteException {
         throw new UnsupportedOperationException("unimplemented mock method");
     }
+
+    @Override
+    public Uri canonicalize(String callingPkg, Uri uri) throws RemoteException {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
+
+    @Override
+    public Uri uncanonicalize(String callingPkg, Uri uri) throws RemoteException {
+        throw new UnsupportedOperationException("unimplemented mock method");
+    }
 }
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContentProvider.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContentProvider.java
index 688cc87..01740b1 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContentProvider.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/android/BridgeContentProvider.java
@@ -134,4 +134,14 @@
         // TODO Auto-generated method stub
         return null;
     }
+
+    @Override
+    public Uri canonicalize(String callingPkg, Uri uri) throws RemoteException {
+        return null;
+    }
+
+    @Override
+    public Uri uncanonicalize(String callingPkg, Uri uri) throws RemoteException {
+        return null;
+    }
 }