diff --git a/core/java/android/content/pm/ActivityInfo.java b/core/java/android/content/pm/ActivityInfo.java
index 8154bca2cb89c..b8ac3bf9a8e00 100644
--- a/core/java/android/content/pm/ActivityInfo.java
+++ b/core/java/android/content/pm/ActivityInfo.java
@@ -16,6 +16,7 @@
 
 package android.content.pm;
 
+import android.content.res.Configuration;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.util.Printer;
@@ -437,20 +438,20 @@ public class ActivityInfo extends ComponentInfo
      * native side given the bit we have assigned in ActivityInfo.
      */
     public static int[] CONFIG_NATIVE_BITS = new int[] {
-        0x0001, // MNC
-        0x0002, // MCC
-        0x0004, // LOCALE
-        0x0008, // TOUCH SCREEN
-        0x0010, // KEYBOARD
-        0x0020, // KEYBOARD HIDDEN
-        0x0040, // NAVIGATION
-        0x0080, // ORIENTATION
-        0x0800, // SCREEN LAYOUT
-        0x1000, // UI MODE
-        0x0200, // SCREEN SIZE
-        0x2000, // SMALLEST SCREEN SIZE
-        0x0100, // DENSITY
-        0x4000, // LAYOUT DIRECTION
+        Configuration.NATIVE_CONFIG_MNC,                    // MNC
+        Configuration.NATIVE_CONFIG_MCC,                    // MCC
+        Configuration.NATIVE_CONFIG_LOCALE,                 // LOCALE
+        Configuration.NATIVE_CONFIG_TOUCHSCREEN,            // TOUCH SCREEN
+        Configuration.NATIVE_CONFIG_KEYBOARD,               // KEYBOARD
+        Configuration.NATIVE_CONFIG_KEYBOARD_HIDDEN,        // KEYBOARD HIDDEN
+        Configuration.NATIVE_CONFIG_NAVIGATION,             // NAVIGATION
+        Configuration.NATIVE_CONFIG_ORIENTATION,            // ORIENTATION
+        Configuration.NATIVE_CONFIG_SCREEN_LAYOUT,          // SCREEN LAYOUT
+        Configuration.NATIVE_CONFIG_UI_MODE,                // UI MODE
+        Configuration.NATIVE_CONFIG_SCREEN_SIZE,            // SCREEN SIZE
+        Configuration.NATIVE_CONFIG_SMALLEST_SCREEN_SIZE,   // SMALLEST SCREEN SIZE
+        Configuration.NATIVE_CONFIG_DENSITY,                // DENSITY
+        Configuration.NATIVE_CONFIG_LAYOUTDIR,              // LAYOUT DIRECTION
     };
     /** @hide
      * Convert Java change bits to native.
diff --git a/core/java/android/content/pm/PackageParser.java b/core/java/android/content/pm/PackageParser.java
index 541dcb93d9563..6760f49174967 100644
--- a/core/java/android/content/pm/PackageParser.java
+++ b/core/java/android/content/pm/PackageParser.java
@@ -1864,7 +1864,8 @@ public class PackageParser {
         }
 
         String manageSpaceActivity = sa.getNonConfigurationString(
-                com.android.internal.R.styleable.AndroidManifestApplication_manageSpaceActivity, 0);
+                com.android.internal.R.styleable.AndroidManifestApplication_manageSpaceActivity,
+                Configuration.NATIVE_CONFIG_VERSION);
         if (manageSpaceActivity != null) {
             ai.manageSpaceActivityName = buildClassName(pkgName, manageSpaceActivity,
                     outError);
@@ -1878,7 +1879,8 @@ public class PackageParser {
             // backupAgent, killAfterRestore, and restoreAnyVersion are only relevant
             // if backup is possible for the given application.
             String backupAgent = sa.getNonConfigurationString(
-                    com.android.internal.R.styleable.AndroidManifestApplication_backupAgent, 0);
+                    com.android.internal.R.styleable.AndroidManifestApplication_backupAgent,
+                    Configuration.NATIVE_CONFIG_VERSION);
             if (backupAgent != null) {
                 ai.backupAgentName = buildClassName(pkgName, backupAgent, outError);
                 if (DEBUG_BACKUP) {
@@ -1999,7 +2001,8 @@ public class PackageParser {
 
         if (owner.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.FROYO) {
             str = sa.getNonConfigurationString(
-                    com.android.internal.R.styleable.AndroidManifestApplication_taskAffinity, 0);
+                    com.android.internal.R.styleable.AndroidManifestApplication_taskAffinity,
+                    Configuration.NATIVE_CONFIG_VERSION);
         } else {
             // Some older apps have been seen to use a resource reference
             // here that on older builds was ignored (with a warning).  We
@@ -2014,7 +2017,8 @@ public class PackageParser {
             CharSequence pname;
             if (owner.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.FROYO) {
                 pname = sa.getNonConfigurationString(
-                        com.android.internal.R.styleable.AndroidManifestApplication_process, 0);
+                        com.android.internal.R.styleable.AndroidManifestApplication_process,
+                        Configuration.NATIVE_CONFIG_VERSION);
             } else {
                 // Some older apps have been seen to use a resource reference
                 // here that on older builds was ignored (with a warning).  We
@@ -2278,7 +2282,8 @@ public class PackageParser {
                 a.info.applicationInfo.uiOptions);
 
         String parentName = sa.getNonConfigurationString(
-                com.android.internal.R.styleable.AndroidManifestActivity_parentActivityName, 0);
+                com.android.internal.R.styleable.AndroidManifestActivity_parentActivityName,
+                Configuration.NATIVE_CONFIG_VERSION);
         if (parentName != null) {
             String parentClassName = buildClassName(a.info.packageName, parentName, outError);
             if (outError[0] == null) {
@@ -2300,7 +2305,8 @@ public class PackageParser {
         }
 
         str = sa.getNonConfigurationString(
-                com.android.internal.R.styleable.AndroidManifestActivity_taskAffinity, 0);
+                com.android.internal.R.styleable.AndroidManifestActivity_taskAffinity,
+                Configuration.NATIVE_CONFIG_VERSION);
         a.info.taskAffinity = buildTaskAffinityName(owner.applicationInfo.packageName,
                 owner.applicationInfo.taskAffinity, str, outError);
 
@@ -2509,7 +2515,8 @@ public class PackageParser {
                 com.android.internal.R.styleable.AndroidManifestActivityAlias);
 
         String targetActivity = sa.getNonConfigurationString(
-                com.android.internal.R.styleable.AndroidManifestActivityAlias_targetActivity, 0);
+                com.android.internal.R.styleable.AndroidManifestActivityAlias_targetActivity,
+                Configuration.NATIVE_CONFIG_VERSION);
         if (targetActivity == null) {
             outError[0] = "<activity-alias> does not specify android:targetActivity";
             sa.recycle();
@@ -2599,7 +2606,7 @@ public class PackageParser {
 
         String parentName = sa.getNonConfigurationString(
                 com.android.internal.R.styleable.AndroidManifestActivityAlias_parentActivityName,
-                0);
+                Configuration.NATIVE_CONFIG_VERSION);
         if (parentName != null) {
             String parentClassName = buildClassName(a.info.packageName, parentName, outError);
             if (outError[0] == null) {
@@ -3656,7 +3663,8 @@ public class PackageParser {
             if (args.processRes != 0) {
                 CharSequence pname;
                 if (owner.applicationInfo.targetSdkVersion >= Build.VERSION_CODES.FROYO) {
-                    pname = args.sa.getNonConfigurationString(args.processRes, 0);
+                    pname = args.sa.getNonConfigurationString(args.processRes,
+                            Configuration.NATIVE_CONFIG_VERSION);
                 } else {
                     // Some older apps have been seen to use a resource reference
                     // here that on older builds was ignored (with a warning).  We
diff --git a/core/java/android/content/res/Configuration.java b/core/java/android/content/res/Configuration.java
index 0402eeb94764a..48b6fca7b2d32 100644
--- a/core/java/android/content/res/Configuration.java
+++ b/core/java/android/content/res/Configuration.java
@@ -544,7 +544,40 @@ public final class Configuration implements Parcelable, Comparable<Configuration
      * @hide Internal book-keeping.
      */
     public int seq;
-    
+
+    /** @hide Native-specific bit mask for MCC config; DO NOT USE UNLESS YOU ARE SURE. */
+    public static final int NATIVE_CONFIG_MCC = 0x0001;
+    /** @hide Native-specific bit mask for MNC config; DO NOT USE UNLESS YOU ARE SURE. */
+    public static final int NATIVE_CONFIG_MNC = 0x0002;
+    /** @hide Native-specific bit mask for LOCALE config; DO NOT USE UNLESS YOU ARE SURE. */
+    public static final int NATIVE_CONFIG_LOCALE = 0x0004;
+    /** @hide Native-specific bit mask for TOUCHSCREEN config; DO NOT USE UNLESS YOU ARE SURE. */
+    public static final int NATIVE_CONFIG_TOUCHSCREEN = 0x0008;
+    /** @hide Native-specific bit mask for KEYBOARD config; DO NOT USE UNLESS YOU ARE SURE. */
+    public static final int NATIVE_CONFIG_KEYBOARD = 0x0010;
+    /** @hide Native-specific bit mask for KEYBOARD_HIDDEN config; DO NOT USE UNLESS YOU
+     * ARE SURE. */
+    public static final int NATIVE_CONFIG_KEYBOARD_HIDDEN = 0x0020;
+    /** @hide Native-specific bit mask for NAVIGATION config; DO NOT USE UNLESS YOU ARE SURE. */
+    public static final int NATIVE_CONFIG_NAVIGATION = 0x0040;
+    /** @hide Native-specific bit mask for ORIENTATION config; DO NOT USE UNLESS YOU ARE SURE. */
+    public static final int NATIVE_CONFIG_ORIENTATION = 0x0080;
+    /** @hide Native-specific bit mask for DENSITY config; DO NOT USE UNLESS YOU ARE SURE. */
+    public static final int NATIVE_CONFIG_DENSITY = 0x0100;
+    /** @hide Native-specific bit mask for SCREEN_SIZE config; DO NOT USE UNLESS YOU ARE SURE. */
+    public static final int NATIVE_CONFIG_SCREEN_SIZE = 0x0200;
+    /** @hide Native-specific bit mask for VERSION config; DO NOT USE UNLESS YOU ARE SURE. */
+    public static final int NATIVE_CONFIG_VERSION = 0x0400;
+    /** @hide Native-specific bit mask for SCREEN_LAYOUT config; DO NOT USE UNLESS YOU ARE SURE. */
+    public static final int NATIVE_CONFIG_SCREEN_LAYOUT = 0x0800;
+    /** @hide Native-specific bit mask for UI_MODE config; DO NOT USE UNLESS YOU ARE SURE. */
+    public static final int NATIVE_CONFIG_UI_MODE = 0x1000;
+    /** @hide Native-specific bit mask for SMALLEST_SCREEN_SIZE config; DO NOT USE UNLESS YOU
+     * ARE SURE. */
+    public static final int NATIVE_CONFIG_SMALLEST_SCREEN_SIZE = 0x2000;
+    /** @hide Native-specific bit mask for LAYOUTDIR config ; DO NOT USE UNLESS YOU ARE SURE.*/
+    public static final int NATIVE_CONFIG_LAYOUTDIR = 0x4000;
+
     /**
      * Construct an invalid Configuration.  You must call {@link #setToDefaults}
      * for this object to be valid.  {@more}
diff --git a/core/java/android/content/res/TypedArray.java b/core/java/android/content/res/TypedArray.java
index 27dddd47aa32e..83d48aa465423 100644
--- a/core/java/android/content/res/TypedArray.java
+++ b/core/java/android/content/res/TypedArray.java
@@ -16,6 +16,7 @@
 
 package android.content.res;
 
+import android.content.pm.ActivityInfo;
 import android.graphics.drawable.Drawable;
 import android.util.AttributeSet;
 import android.util.DisplayMetrics;
@@ -170,8 +171,8 @@ public class TypedArray {
      * 
      * @param index Index of attribute to retrieve.
      * @param allowedChangingConfigs Bit mask of configurations from
-     * ActivityInfo that are allowed to change.
-     * 
+     * {@link Configuration}.NATIVE_CONFIG_* that are allowed to change.
+     *
      * @return String holding string data.  Any styling information is
      * removed.  Returns null if the attribute is not defined.
      */