diff --git a/core/java/android/app/ActivityThread.java b/core/java/android/app/ActivityThread.java
index 477badb..6873379 100644
--- a/core/java/android/app/ActivityThread.java
+++ b/core/java/android/app/ActivityThread.java
@@ -187,7 +187,7 @@
             try {
                 appInfo = getPackageManager().getApplicationInfo(
                         pkgInfo.getPackageName(),
-                        PackageManager.GET_SUPPORTS_DENSITIES | PackageManager.GET_EXPANDABLE);
+                        PackageManager.GET_SUPPORTS_DENSITIES);
             } catch (RemoteException e) {
                 throw new AssertionError(e);
             }
@@ -287,6 +287,10 @@
             return mPackageName;
         }
 
+        public ApplicationInfo getApplicationInfo() {
+            return mApplicationInfo;
+        }
+        
         public boolean isSecurityViolation() {
             return mSecurityViolation;
         }
diff --git a/core/java/android/app/ApplicationContext.java b/core/java/android/app/ApplicationContext.java
index 23daf12..bbad8f4 100644
--- a/core/java/android/app/ApplicationContext.java
+++ b/core/java/android/app/ApplicationContext.java
@@ -283,6 +283,14 @@
     }
 
     @Override
+    public ApplicationInfo getApplicationInfo() {
+        if (mPackageInfo != null) {
+            return mPackageInfo.getApplicationInfo();
+        }
+        throw new RuntimeException("Not supported in system context");
+    }
+
+    @Override
     public String getPackageResourcePath() {
         if (mPackageInfo != null) {
             return mPackageInfo.getResDir();
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index 925249e..b0396f6 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -16,6 +16,7 @@
 
 package android.content;
 
+import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.res.AssetManager;
 import android.content.res.Resources;
@@ -233,6 +234,9 @@
     /** Return the name of this application's package. */
     public abstract String getPackageName();
 
+    /** Return the full application info for this context's package. */
+    public abstract ApplicationInfo getApplicationInfo();
+    
     /**
      * {@hide}
      * Return the full path to this context's resource files.  This is the ZIP files
diff --git a/core/java/android/content/ContextWrapper.java b/core/java/android/content/ContextWrapper.java
index 262204e..7513b3b 100644
--- a/core/java/android/content/ContextWrapper.java
+++ b/core/java/android/content/ContextWrapper.java
@@ -16,6 +16,7 @@
 
 package android.content;
 
+import android.content.pm.ApplicationInfo;
 import android.content.pm.PackageManager;
 import android.content.res.AssetManager;
 import android.content.res.Resources;
@@ -120,6 +121,11 @@
     }
 
     @Override
+    public ApplicationInfo getApplicationInfo() {
+        return mBase.getApplicationInfo();
+    }
+    
+    @Override
     public String getPackageResourcePath() {
         return mBase.getPackageResourcePath();
     }
diff --git a/core/java/android/content/pm/ApplicationInfo.java b/core/java/android/content/pm/ApplicationInfo.java
index f10dd53..2a2cf93 100644
--- a/core/java/android/content/pm/ApplicationInfo.java
+++ b/core/java/android/content/pm/ApplicationInfo.java
@@ -137,6 +137,13 @@
     public static final int FLAG_TEST_ONLY = 1<<8;
 
     /**
+     * Value for {@link #flags}: true when the application's window can be
+     * expanded over default window size in target density (320x480 for
+     * 1.0 density, 480x720 for 1.5 density etc)
+     */
+    public static final int FLAG_SUPPORTS_LARGE_SCREENS = 1<<9;
+    
+    /**
      * Value for {@link #flags}: this is false if the application has set
      * its android:allowBackup to false, true otherwise.
      * 
@@ -201,12 +208,6 @@
     public int[] supportsDensities;
 
     /**
-     * True when the application's window can be expanded over default window
-     * size in target density (320x480 for 1.0 density, 480x720 for 1.5 density etc)
-     */
-    public boolean expandable = false;
-
-    /**
      * The minimum SDK version this application targets.  It may run on earilier
      * versions, but it knows how to work with any new behavior added at this
      * version.  Will be {@link android.os.Build.VERSION_CODES#CUR_DEVELOPMENT}
@@ -240,7 +241,6 @@
         pw.println(prefix + "manageSpaceActivityName="+manageSpaceActivityName);
         pw.println(prefix + "description=0x"+Integer.toHexString(descriptionRes));
         pw.println(prefix + "supportsDensities=" + supportsDensities);
-        pw.println(prefix + "expandable=" + expandable);
         super.dumpBack(pw, prefix);
     }
     
@@ -288,7 +288,6 @@
         manageSpaceActivityName = orig.manageSpaceActivityName;
         descriptionRes = orig.descriptionRes;
         supportsDensities = orig.supportsDensities;
-        expandable = orig.expandable;
     }
 
 
@@ -321,7 +320,6 @@
         dest.writeString(backupAgentName);
         dest.writeInt(descriptionRes);
         dest.writeIntArray(supportsDensities);
-        dest.writeInt(expandable ? 1 : 0);
     }
 
     public static final Parcelable.Creator<ApplicationInfo> CREATOR
@@ -353,7 +351,6 @@
         backupAgentName = source.readString();
         descriptionRes = source.readInt();
         supportsDensities = source.createIntArray();
-        expandable = source.readInt() != 0;
     }
 
     /**
@@ -383,7 +380,7 @@
      * @hide
      */
     public void disableCompatibilityMode() {
-        expandable = true;
+        flags |= FLAG_SUPPORTS_LARGE_SCREENS;
         supportsDensities = ANY_DENSITIES_ARRAY;
     }
 }
diff --git a/core/java/android/content/pm/IPackageManager.aidl b/core/java/android/content/pm/IPackageManager.aidl
index 5656b6b..b33a85b 100644
--- a/core/java/android/content/pm/IPackageManager.aidl
+++ b/core/java/android/content/pm/IPackageManager.aidl
@@ -301,4 +301,11 @@
     boolean isSafeMode();
     void systemReady();
     boolean hasSystemUidErrors();
+    
+    /**
+     * Ask the package manager to perform dex-opt (if needed) on the given
+     * package, if it already hasn't done mode.  Only does this if running
+     * in the special development "no pre-dexopt" mode.
+     */
+    boolean performDexOpt(String packageName);
 }
diff --git a/core/java/android/content/pm/PackageManager.java b/core/java/android/content/pm/PackageManager.java
index f746a40..e0cad39 100644
--- a/core/java/android/content/pm/PackageManager.java
+++ b/core/java/android/content/pm/PackageManager.java
@@ -181,12 +181,6 @@
     public static final int MATCH_DEFAULT_ONLY   = 0x00010000;
 
     /**
-     * {@link ApplicationInfo} flag: return the
-     * {link ApplicationInfo#expandable} boolean flag of the package.
-     */
-    public static final int GET_EXPANDABLE = 0x00020000;
-
-    /**
      * Permission check result: this is returned by {@link #checkPermission}
      * if the permission has been granted to the given package.
      */
diff --git a/core/java/android/content/pm/PackageParser.java b/core/java/android/content/pm/PackageParser.java
index ab8559c..ab9518e 100644
--- a/core/java/android/content/pm/PackageParser.java
+++ b/core/java/android/content/pm/PackageParser.java
@@ -777,7 +777,7 @@
                             targetCode = minCode = val.string.toString();
                         } else {
                             // If it's not a string, it's an integer.
-                            minVers = val.data;
+                            targetVers = minVers = val.data;
                         }
                     }
                     
@@ -798,6 +798,25 @@
 
                     sa.recycle();
 
+                    if (minCode != null) {
+                        if (!minCode.equals(mSdkCodename)) {
+                            if (mSdkCodename != null) {
+                                outError[0] = "Requires development platform " + minCode
+                                        + " (current platform is " + mSdkCodename + ")";
+                            } else {
+                                outError[0] = "Requires development platform " + minCode
+                                        + " but this is a release platform.";
+                            }
+                            mParseError = PackageManager.INSTALL_FAILED_OLDER_SDK;
+                            return null;
+                        }
+                    } else if (minVers > mSdkVersion) {
+                        outError[0] = "Requires newer sdk version #" + minVers
+                                + " (current version is #" + mSdkVersion + ")";
+                        mParseError = PackageManager.INSTALL_FAILED_OLDER_SDK;
+                        return null;
+                    }
+                    
                     if (targetCode != null) {
                         if (!targetCode.equals(mSdkCodename)) {
                             if (mSdkCodename != null) {
@@ -817,13 +836,6 @@
                         pkg.applicationInfo.targetSdkVersion = targetVers;
                     }
                     
-                    if (minVers > mSdkVersion) {
-                        outError[0] = "Requires newer sdk version #" + minVers
-                                + " (current version is #" + mSdkVersion + ")";
-                        mParseError = PackageManager.INSTALL_FAILED_OLDER_SDK;
-                        return null;
-                    }
-                    
                     if (maxVers < mSdkVersion) {
                         outError[0] = "Requires older sdk version #" + maxVers
                                 + " (current version is #" + mSdkVersion + ")";
@@ -865,7 +877,7 @@
                 XmlUtils.skipCurrentTag(parser);
 
             } else if (tagName.equals("expandable")) {
-                pkg.expandable = true;
+                pkg.applicationInfo.flags |= ApplicationInfo.FLAG_SUPPORTS_LARGE_SCREENS;
                 XmlUtils.skipCurrentTag(parser);
             } else {
                 Log.w(TAG, "Bad element under <manifest>: "
@@ -2262,9 +2274,6 @@
         public final ArrayList<Integer> supportsDensityList = new ArrayList<Integer>();
         public int[] supportsDensities = null;
 
-        // If the application's window is expandable.
-        public boolean expandable;
-        
         // If this is a 3rd party app, this is the path of the zip file.
         public String mPath;
 
@@ -2287,6 +2296,17 @@
         // preferred up order.
         public int mPreferredOrder = 0;
 
+        // For use by package manager service to keep track of which apps
+        // have been installed with forward locking.
+        public boolean mForwardLocked;
+        
+        // For use by the package manager to keep track of the path to the
+        // file an app came from.
+        public String mScanPath;
+        
+        // For use by package manager to keep track of where it has done dexopt.
+        public boolean mDidDexOpt;
+        
         // Additional data supplied by callers.
         public Object mExtras;
         
@@ -2439,9 +2459,6 @@
                 && p.supportsDensities != null) {
             return true;
         }
-        if ((flags & PackageManager.GET_EXPANDABLE) != 0) {
-            return true;
-        }
         return false;
     }
 
@@ -2462,9 +2479,6 @@
         if ((flags & PackageManager.GET_SUPPORTS_DENSITIES) != 0) {
             ai.supportsDensities = p.supportsDensities;
         }
-        if ((flags & PackageManager.GET_EXPANDABLE) != 0) {
-            ai.expandable = p.expandable;
-        }
         return ai;
     }
 
diff --git a/core/java/android/content/res/CompatibilityInfo.java b/core/java/android/content/res/CompatibilityInfo.java
index 836de39..680fef8 100644
--- a/core/java/android/content/res/CompatibilityInfo.java
+++ b/core/java/android/content/res/CompatibilityInfo.java
@@ -69,7 +69,8 @@
     public final boolean mScalingRequired;
 
     public CompatibilityInfo(ApplicationInfo appInfo) {
-        mExpandable = mConfiguredExpandable = appInfo.expandable;
+        mExpandable = mConfiguredExpandable =
+            (appInfo.flags & ApplicationInfo.FLAG_SUPPORTS_LARGE_SCREENS) != 0;
         
         float packageDensityScale = -1.0f;
         if (appInfo.supportsDensities != null) {