diff --git a/api/current.xml b/api/current.xml
index 5d71cad53102c..64dd3a8a1a907 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -154519,6 +154519,21 @@
 <parameter name="flags" type="int">
 </parameter>
 </method>
+<method name="setPackageObbPath"
+ return="void"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="false"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<parameter name="packageName" type="java.lang.String">
+</parameter>
+<parameter name="path" type="java.lang.String">
+</parameter>
+</method>
 </class>
 <class name="MockResources"
  extends="android.content.res.Resources"
diff --git a/core/java/android/app/ContextImpl.java b/core/java/android/app/ContextImpl.java
index fc9bcf7c57edb..63bbf9cdd37ef 100644
--- a/core/java/android/app/ContextImpl.java
+++ b/core/java/android/app/ContextImpl.java
@@ -2657,6 +2657,15 @@ class ContextImpl extends Context {
             return PackageManager.COMPONENT_ENABLED_STATE_DEFAULT;
         }
 
+        @Override
+        public void setPackageObbPath(String packageName, String path) {
+            try {
+                mPM.setPackageObbPath(packageName, path);
+            } catch (RemoteException e) {
+                // Should never happen!
+            }
+        }
+
         private final ContextImpl mContext;
         private final IPackageManager mPM;
 
diff --git a/core/java/android/content/pm/IPackageManager.aidl b/core/java/android/content/pm/IPackageManager.aidl
index 9939478b79b58..160a4815eb63b 100644
--- a/core/java/android/content/pm/IPackageManager.aidl
+++ b/core/java/android/content/pm/IPackageManager.aidl
@@ -319,4 +319,6 @@ interface IPackageManager {
 
     boolean setInstallLocation(int loc);
     int getInstallLocation();
+
+    void setPackageObbPath(String packageName, String path);
 }
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index 1a5b419637d50..15a446b8eea58 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -2193,4 +2193,17 @@ public abstract class PackageManager {
      */
     public abstract void movePackage(
             String packageName, IPackageMoveObserver observer, int flags);
+
+    /**
+     * Sets the Opaque Binary Blob (OBB) file location.
+     * <p>
+     * NOTE: The existence or format of this file is not currently checked, but
+     * it may be in the future.
+     * 
+     * @param packageName Name of the package with which to associate the .obb
+     *            file
+     * @param path Path on the filesystem to the .obb file
+     * @hide
+     */
+    public abstract void setPackageObbPath(String packageName, String path);
 }
diff --git a/services/java/com/android/server/PackageManagerService.java b/services/java/com/android/server/PackageManagerService.java
index b4fc15af30f14..d97f30c229859 100644
--- a/services/java/com/android/server/PackageManagerService.java
+++ b/services/java/com/android/server/PackageManagerService.java
@@ -4583,6 +4583,8 @@ class PackageManagerService extends IPackageManager.Stub {
         }
     };
 
+    private static final boolean DEBUG_OBB = false;
+
     private static final void sendPackageBroadcast(String action, String pkg,
             Bundle extras, IIntentReceiver finishedReceiver) {
         IActivityManager am = ActivityManagerNative.getDefault();
@@ -4757,6 +4759,27 @@ class PackageManagerService extends IPackageManager.Stub {
         mHandler.sendMessage(msg);
     }
 
+    public void setPackageObbPath(String packageName, String path) {
+        if (DEBUG_OBB)
+            Log.v(TAG, "Setting .obb path for " + packageName + " to: " + path);
+        PackageSetting pkgSetting;
+        final int uid = Binder.getCallingUid();
+        boolean allowedByPermission = false;
+        synchronized (mPackages) {
+            pkgSetting = mSettings.mPackages.get(packageName);
+            if (pkgSetting == null) {
+                throw new IllegalArgumentException("Unknown package: " + packageName);
+            }
+            if (!allowedByPermission && (uid != pkgSetting.userId)) {
+                throw new SecurityException("Permission denial: attempt to set .obb file from pid="
+                        + Binder.getCallingPid() + ", uid=" + uid + ", package uid="
+                        + pkgSetting.userId);
+            }
+            pkgSetting.obbPathString = path;
+            mSettings.writeLP();
+        }
+    }
+
     private void processPendingInstall(final InstallArgs args, final int currentStatus) {
         // Queue up an async operation since the package installation may take a little while.
         mHandler.post(new Runnable() {
@@ -7118,6 +7141,7 @@ class PackageManagerService extends IPackageManager.Stub {
                     pw.print("    pkg="); pw.println(ps.pkg);
                     pw.print("    codePath="); pw.println(ps.codePathString);
                     pw.print("    resourcePath="); pw.println(ps.resourcePathString);
+                    pw.print("    obbPath="); pw.println(ps.obbPathString);
                     if (ps.pkg != null) {
                         pw.print("    dataDir="); pw.println(ps.pkg.applicationInfo.dataDir);
                         pw.print("    targetSdk="); pw.println(ps.pkg.applicationInfo.targetSdkVersion);
@@ -7684,6 +7708,7 @@ class PackageManagerService extends IPackageManager.Stub {
         String codePathString;
         File resourcePath;
         String resourcePathString;
+        String obbPathString;
         private long timeStamp;
         private String timeStampString = "0";
         int versionCode;
@@ -8684,6 +8709,9 @@ class PackageManagerService extends IPackageManager.Stub {
             if (pkg.installerPackageName != null) {
                 serializer.attribute(null, "installer", pkg.installerPackageName);
             }
+            if (pkg.obbPathString != null) {
+                serializer.attribute(null, "obbPath", pkg.obbPathString);
+            }
             pkg.signatures.writeXml(serializer, "sigs", mPastSignatures);
             if ((pkg.pkgFlags&ApplicationInfo.FLAG_SYSTEM) == 0) {
                 serializer.startTag(null, "perms");
@@ -9060,6 +9088,7 @@ class PackageManagerService extends IPackageManager.Stub {
             String sharedIdStr = null;
             String codePathStr = null;
             String resourcePathStr = null;
+            String obbPathStr = null;
             String systemStr = null;
             String installerPackageName = null;
             String uidError = null;
@@ -9077,6 +9106,7 @@ class PackageManagerService extends IPackageManager.Stub {
                 sharedIdStr = parser.getAttributeValue(null, "sharedUserId");
                 codePathStr = parser.getAttributeValue(null, "codePath");
                 resourcePathStr = parser.getAttributeValue(null, "resourcePath");
+                obbPathStr = parser.getAttributeValue(null, "obbPath");
                 version = parser.getAttributeValue(null, "version");
                 if (version != null) {
                     try {
@@ -9174,6 +9204,7 @@ class PackageManagerService extends IPackageManager.Stub {
             if (packageSetting != null) {
                 packageSetting.uidError = "true".equals(uidError);
                 packageSetting.installerPackageName = installerPackageName;
+                packageSetting.obbPathString = obbPathStr;
                 final String enabledStr = parser.getAttributeValue(null, "enabled");
                 if (enabledStr != null) {
                     if (enabledStr.equalsIgnoreCase("true")) {
diff --git a/test-runner/src/android/test/mock/MockPackageManager.java b/test-runner/src/android/test/mock/MockPackageManager.java
index 3e77b9b296c4d..e96173bf5d989 100644
--- a/test-runner/src/android/test/mock/MockPackageManager.java
+++ b/test-runner/src/android/test/mock/MockPackageManager.java
@@ -483,4 +483,9 @@ public class MockPackageManager extends PackageManager {
     public boolean isSafeMode() {
         throw new UnsupportedOperationException();
     }
+
+    @Override
+    public void setPackageObbPath(String packageName, String path) {
+        throw new UnsupportedOperationException();
+    }
 }