Work around OpenFeint bug.

Change-Id: Ib8320e50bb63fc56dc0118d5c8e9e328dbd3fcb1

core/java/android/app/ActivityThread.java

@@ -3256,7 +3256,7 @@ public final class ActivityThread {
                 // If this activity doesn't handle any of the config changes
                 // then don't bother calling onConfigurationChanged as we're
                 // going to destroy it.
-                if ((~activity.mActivityInfo.configChanges & diff) == 0) {
+                if ((~activity.mActivityInfo.getRealConfigChanged() & diff) == 0) {
                     shouldChangeConfig = true;
                 }
             }

core/java/android/content/pm/ActivityInfo.java

@@ -335,13 +335,25 @@ public class ActivityInfo extends ComponentInfo
     /**
      * Bit in {@link #configChanges} that indicates that the activity
      * can itself handle the screen size. Set from the
-     * {@link android.R.attr#configChanges} attribute.
+     * {@link android.R.attr#configChanges} attribute.  This will be
+     * set by default for applications that target an earlier version
+     * than {@link android.os.Build.VERSION_CODES#HONEYCOMB_MR2}...
+     * <b>however</b>, you will not see the bit set here becomes some
+     * applications incorrectly compare {@link #configChanges} against
+     * an absolute value rather than correctly masking out the bits
+     * they are interested in.  Please don't do that, thanks.
      */
     public static final int CONFIG_SCREEN_SIZE = 0x0400;
     /**
      * Bit in {@link #configChanges} that indicates that the activity
      * can itself handle the smallest screen size. Set from the
-     * {@link android.R.attr#configChanges} attribute.
+     * {@link android.R.attr#configChanges} attribute.  This will be
+     * set by default for applications that target an earlier version
+     * than {@link android.os.Build.VERSION_CODES#HONEYCOMB_MR2}...
+     * <b>however</b>, you will not see the bit set here becomes some
+     * applications incorrectly compare {@link #configChanges} against
+     * an absolute value rather than correctly masking out the bits
+     * they are interested in.  Please don't do that, thanks.
      */
     public static final int CONFIG_SMALLEST_SCREEN_SIZE = 0x0800;
     /**
@@ -385,6 +397,21 @@ public class ActivityInfo extends ComponentInfo
         return output;
     }
 
+    /**
+     * @hide
+     * Unfortunately some developers (OpenFeint I am looking at you) have
+     * compared the configChanges bit field against absolute values, so if we
+     * introduce a new bit they break.  To deal with that, we will make sure
+     * the public field will not have a value that breaks them, and let the
+     * framework call here to get the real value.
+     */
+    public int getRealConfigChanged() {
+        return applicationInfo.targetSdkVersion < android.os.Build.VERSION_CODES.HONEYCOMB_MR2
+                ? (configChanges | ActivityInfo.CONFIG_SCREEN_SIZE
+                        | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE)
+                : configChanges;
+    }
+
     /**
      * Bit mask of kinds of configuration changes that this activity
      * can handle itself (without being restarted by the system).

core/java/android/content/pm/PackageParser.java

@@ -1938,11 +1938,6 @@ public class PackageParser {
             a.info.configChanges = sa.getInt(
                     com.android.internal.R.styleable.AndroidManifestActivity_configChanges,
                     0);
-            if (owner.applicationInfo.targetSdkVersion
-                        < android.os.Build.VERSION_CODES.HONEYCOMB_MR2) {
-                a.info.configChanges |= ActivityInfo.CONFIG_SCREEN_SIZE
-                        | ActivityInfo.CONFIG_SMALLEST_SCREEN_SIZE;
-            }
             a.info.softInputMode = sa.getInt(
                     com.android.internal.R.styleable.AndroidManifestActivity_windowSoftInputMode,
                     0);

core/java/android/os/Build.java

@@ -233,6 +233,16 @@ public class Build {
         
         /**
          * Current development version.
+         *
+         * <p>Update to Honeycomb MR1 to support 7 inch tablets, improve
+         * screen compatibility mode, etc.</p>
+         *
+         * <p>As of this version, applications that don't say whether they
+         * support XLARGE screens will be assumed to do so only if they target
+         * {@link #HONEYCOMB} or later; it had been {@link #GINGERBREAD} or
+         * later.  Applications that don't support a screen size at least as
+         * large as the current screen will provide the user with a UI to
+         * switch them in to screen size compatibility mode.</p>
          */
         public static final int HONEYCOMB_MR2 = CUR_DEVELOPMENT;
     }

services/java/com/android/server/am/ActivityStack.java

@@ -3801,10 +3801,10 @@ public class ActivityStack {
         if (DEBUG_SWITCH || DEBUG_CONFIGURATION) {
             Slog.v(TAG, "Checking to restart " + r.info.name + ": changed=0x"
                     + Integer.toHexString(changes) + ", handles=0x"
-                    + Integer.toHexString(r.info.configChanges)
+                    + Integer.toHexString(r.info.getRealConfigChanged())
                     + ", newConfig=" + newConfig);
         }
-        if ((changes&(~r.info.configChanges)) != 0 || r.forceNewConfig) {
+        if ((changes&(~r.info.getRealConfigChanged())) != 0 || r.forceNewConfig) {
             // Aha, the activity isn't handling the change, so DIE DIE DIE.
             r.configChangeFlags |= changes;
             r.startFreezingScreenLocked(r.app, globalChanges);