Merge "Port ImageProcessing to Filterscript." into jb-mr1-dev
diff --git a/api/17.txt b/api/17.txt
index 7b2f161..ee9a973 100644
--- a/api/17.txt
+++ b/api/17.txt
@@ -29625,7 +29625,6 @@
     method protected void onTextChanged(java.lang.CharSequence, int, int, int);
     method public boolean onTextContextMenuItem(int);
     method public void removeTextChangedListener(android.text.TextWatcher);
-    method protected void resetResolvedDrawables();
     method public void setAllCaps(boolean);
     method public final void setAutoLinkMask(int);
     method public void setCompoundDrawablePadding(int);
diff --git a/api/current.txt b/api/current.txt
index 7b2f161..ee9a973 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -29625,7 +29625,6 @@
     method protected void onTextChanged(java.lang.CharSequence, int, int, int);
     method public boolean onTextContextMenuItem(int);
     method public void removeTextChangedListener(android.text.TextWatcher);
-    method protected void resetResolvedDrawables();
     method public void setAllCaps(boolean);
     method public final void setAutoLinkMask(int);
     method public void setCompoundDrawablePadding(int);
diff --git a/core/java/android/os/FileUtils.java b/core/java/android/os/FileUtils.java
index 0941d71..2bec1c1 100644
--- a/core/java/android/os/FileUtils.java
+++ b/core/java/android/os/FileUtils.java
@@ -16,6 +16,7 @@
 
 package android.os;
 
+import java.io.BufferedInputStream;
 import java.io.ByteArrayOutputStream;
 import java.io.File;
 import java.io.FileInputStream;
@@ -91,7 +92,7 @@
         }
         return result;
     }
-    
+
     /**
      * Copy data from a source stream to destFile.
      * Return true if succeed, return false if failed.
@@ -143,12 +144,16 @@
      */
     public static String readTextFile(File file, int max, String ellipsis) throws IOException {
         InputStream input = new FileInputStream(file);
+        // wrapping a BufferedInputStream around it because when reading /proc with unbuffered
+        // input stream, bytes read not equal to buffer size is not necessarily the correct
+        // indication for EOF; but it is true for BufferedInputStream due to its implementation.
+        BufferedInputStream bis = new BufferedInputStream(input);
         try {
             long size = file.length();
             if (max > 0 || (size > 0 && max == 0)) {  // "head" mode: read the first N bytes
                 if (size > 0 && (max == 0 || size < max)) max = (int) size;
                 byte[] data = new byte[max + 1];
-                int length = input.read(data);
+                int length = bis.read(data);
                 if (length <= 0) return "";
                 if (length <= max) return new String(data, 0, length);
                 if (ellipsis == null) return new String(data, 0, max);
@@ -161,7 +166,7 @@
                     if (last != null) rolled = true;
                     byte[] tmp = last; last = data; data = tmp;
                     if (data == null) data = new byte[-max];
-                    len = input.read(data);
+                    len = bis.read(data);
                 } while (len == data.length);
 
                 if (last == null && len <= 0) return "";
@@ -178,12 +183,13 @@
                 int len;
                 byte[] data = new byte[1024];
                 do {
-                    len = input.read(data);
+                    len = bis.read(data);
                     if (len > 0) contents.write(data, 0, len);
                 } while (len == data.length);
                 return contents.toString();
             }
         } finally {
+            bis.close();
             input.close();
         }
     }
diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
index 608bdd7..946965b 100644
--- a/core/java/android/view/View.java
+++ b/core/java/android/view/View.java
@@ -3666,15 +3666,10 @@
             // Padding from the background drawable is stored at this point in mUserPaddingLeftInitial
             // and mUserPaddingRightInitial) so drawable padding will be used as ultimate default if
             // defined.
-            if (startPaddingDefined) {
-                mUserPaddingLeftInitial = startPadding;
-            } else if (leftPaddingDefined) {
+            if (leftPaddingDefined) {
                 mUserPaddingLeftInitial = leftPadding;
             }
-            if (endPaddingDefined) {
-                mUserPaddingRightInitial = endPadding;
-            }
-            else if (rightPaddingDefined) {
+            if (rightPaddingDefined) {
                 mUserPaddingRightInitial = rightPadding;
             }
         }
@@ -11559,8 +11554,10 @@
 
     /**
      * Resolve all RTL related properties.
+     *
+     * @hide
      */
-    void resolveRtlPropertiesIfNeeded() {
+    public void resolveRtlPropertiesIfNeeded() {
         if (!needRtlPropertiesResolution()) return;
 
         // Order is important here: LayoutDirection MUST be resolved first
@@ -11584,8 +11581,12 @@
         onRtlPropertiesChanged(getLayoutDirection());
     }
 
-    // Reset resolution of all RTL related properties.
-    void resetRtlProperties() {
+    /**
+     * Reset resolution of all RTL related properties.
+     *
+     * @hide
+     */
+    public void resetRtlProperties() {
         resetResolvedLayoutDirection();
         resetResolvedTextDirection();
         resetResolvedTextAlignment();
@@ -14195,7 +14196,7 @@
      *
      * @hide
      */
-    public void resolveDrawables() {
+    protected void resolveDrawables() {
         if (mBackground != null) {
             mBackground.setLayoutDirection(getLayoutDirection());
         }
@@ -14218,7 +14219,10 @@
     public void onResolveDrawables(int layoutDirection) {
     }
 
-    private void resetResolvedDrawables() {
+    /**
+     * @hide
+     */
+    protected void resetResolvedDrawables() {
         mPrivateFlags2 &= ~PFLAG2_DRAWABLE_RESOLVED;
     }
 
@@ -14804,14 +14808,14 @@
         if (isRtlCompatibilityMode()) {
             mPaddingLeft = mUserPaddingLeftInitial;
             mPaddingRight = mUserPaddingRightInitial;
+            return;
+        }
+        if (isLayoutRtl()) {
+            mPaddingLeft = (mUserPaddingEnd >= 0) ? mUserPaddingEnd : mUserPaddingLeftInitial;
+            mPaddingRight = (mUserPaddingStart >= 0) ? mUserPaddingStart : mUserPaddingRightInitial;
         } else {
-            if (isLayoutRtl()) {
-                mPaddingLeft = mUserPaddingRightInitial;
-                mPaddingRight = mUserPaddingLeftInitial;
-            } else {
-                mPaddingLeft = mUserPaddingLeftInitial;
-                mPaddingRight = mUserPaddingRightInitial;
-            }
+            mPaddingLeft = (mUserPaddingStart >= 0) ? mUserPaddingStart : mUserPaddingLeftInitial;
+            mPaddingRight = (mUserPaddingEnd >= 0) ? mUserPaddingEnd : mUserPaddingRightInitial;
         }
     }
 
diff --git a/core/java/android/view/ViewGroup.java b/core/java/android/view/ViewGroup.java
index 0661992..9ce7df9 100644
--- a/core/java/android/view/ViewGroup.java
+++ b/core/java/android/view/ViewGroup.java
@@ -5263,6 +5263,21 @@
      * @hide
      */
     @Override
+    public void resolveRtlPropertiesIfNeeded() {
+        super.resolveRtlPropertiesIfNeeded();
+        int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            final View child = getChildAt(i);
+            if (child.isLayoutDirectionInherited()) {
+                child.resolveRtlPropertiesIfNeeded();
+            }
+        }
+    }
+
+    /**
+     * @hide
+     */
+    @Override
     public boolean resolveLayoutDirection() {
         final boolean result = super.resolveLayoutDirection();
         if (result) {
@@ -5317,6 +5332,51 @@
      * @hide
      */
     @Override
+    public void resolvePadding() {
+        super.resolvePadding();
+        int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            final View child = getChildAt(i);
+            if (child.isLayoutDirectionInherited()) {
+                child.resolvePadding();
+            }
+        }
+    }
+
+    /**
+     * @hide
+     */
+    @Override
+    protected void resolveDrawables() {
+        super.resolveDrawables();
+        int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            final View child = getChildAt(i);
+            if (child.isLayoutDirectionInherited()) {
+                child.resolveDrawables();
+            }
+        }
+    }
+
+    /**
+     * @hide
+     */
+    @Override
+    public void resetRtlProperties() {
+        super.resetRtlProperties();
+        int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            final View child = getChildAt(i);
+            if (child.isLayoutDirectionInherited()) {
+                child.resetRtlProperties();
+            }
+        }
+    }
+
+    /**
+     * @hide
+     */
+    @Override
     public void resetResolvedLayoutDirection() {
         super.resetResolvedLayoutDirection();
 
@@ -5362,6 +5422,38 @@
     }
 
     /**
+     * @hide
+     */
+    @Override
+    public void resetResolvedPadding() {
+        super.resetResolvedPadding();
+
+        int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            final View child = getChildAt(i);
+            if (child.isLayoutDirectionInherited()) {
+                child.resetResolvedPadding();
+            }
+        }
+    }
+
+    /**
+     * @hide
+     */
+    @Override
+    protected void resetResolvedDrawables() {
+        super.resetResolvedDrawables();
+
+        int count = getChildCount();
+        for (int i = 0; i < count; i++) {
+            final View child = getChildAt(i);
+            if (child.isLayoutDirectionInherited()) {
+                child.resetResolvedDrawables();
+            }
+        }
+    }
+
+    /**
      * Return true if the pressed state should be delayed for children or descendants of this
      * ViewGroup. Generally, this should be done for containers that can scroll, such as a List.
      * This prevents the pressed state from appearing when the user is actually trying to scroll
diff --git a/core/java/android/widget/CheckedTextView.java b/core/java/android/widget/CheckedTextView.java
index e74e37c..de8b80d 100644
--- a/core/java/android/widget/CheckedTextView.java
+++ b/core/java/android/widget/CheckedTextView.java
@@ -188,10 +188,11 @@
         resetPaddingToInitialValues();
         int newPadding = (mCheckMarkDrawable != null) ?
                 mCheckMarkWidth + mBasePadding : mBasePadding;
-        mNeedRequestlayout |= (mPaddingRight != newPadding);
         if (isLayoutRtl()) {
+            mNeedRequestlayout |= (mPaddingLeft != newPadding);
             mPaddingLeft = newPadding;
         } else {
+            mNeedRequestlayout |= (mPaddingRight != newPadding);
             mPaddingRight = newPadding;
         }
         if (mNeedRequestlayout) {
@@ -200,18 +201,6 @@
         }
     }
 
-    @Override
-    public void setPadding(int left, int top, int right, int bottom) {
-        super.setPadding(left, top, right, bottom);
-        setBasePadding(isLayoutRtl());
-    }
-
-    @Override
-    public void setPaddingRelative(int start, int top, int end, int bottom) {
-        super.setPaddingRelative(start, top, end, bottom);
-        setBasePadding(isLayoutRtl());
-    }
-
     private void setBasePadding(boolean isLayoutRtl) {
         if (isLayoutRtl) {
             mBasePadding = mPaddingLeft;
diff --git a/core/java/android/widget/TextView.java b/core/java/android/widget/TextView.java
index 958b669..b3c679c 100644
--- a/core/java/android/widget/TextView.java
+++ b/core/java/android/widget/TextView.java
@@ -8314,6 +8314,9 @@
         }
     }
 
+    /**
+     * @hide
+     */
     protected void resetResolvedDrawables() {
         mResolvedDrawables = false;
     }
diff --git a/core/java/com/android/internal/widget/RotarySelector.java b/core/java/com/android/internal/widget/RotarySelector.java
index a2a38dc..4e405f4 100644
--- a/core/java/com/android/internal/widget/RotarySelector.java
+++ b/core/java/com/android/internal/widget/RotarySelector.java
@@ -25,7 +25,9 @@
 import android.graphics.BitmapFactory;
 import android.graphics.Matrix;
 import android.graphics.drawable.Drawable;
+import android.os.UserHandle;
 import android.os.Vibrator;
+import android.provider.Settings;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.view.MotionEvent;
@@ -667,11 +669,16 @@
      * Triggers haptic feedback.
      */
     private synchronized void vibrate(long duration) {
-        if (mVibrator == null) {
-            mVibrator = (android.os.Vibrator)
-                    getContext().getSystemService(Context.VIBRATOR_SERVICE);
+        final boolean hapticEnabled = Settings.System.getIntForUser(
+                mContext.getContentResolver(), Settings.System.HAPTIC_FEEDBACK_ENABLED, 1,
+                UserHandle.USER_CURRENT) != 0;
+        if (hapticEnabled) {
+            if (mVibrator == null) {
+                mVibrator = (android.os.Vibrator) getContext()
+                        .getSystemService(Context.VIBRATOR_SERVICE);
+            }
+            mVibrator.vibrate(duration);
         }
-        mVibrator.vibrate(duration);
     }
 
     /**
diff --git a/core/java/com/android/internal/widget/SlidingTab.java b/core/java/com/android/internal/widget/SlidingTab.java
index f535a08..aebc4f6 100644
--- a/core/java/com/android/internal/widget/SlidingTab.java
+++ b/core/java/com/android/internal/widget/SlidingTab.java
@@ -21,7 +21,9 @@
 import android.content.res.TypedArray;
 import android.graphics.Rect;
 import android.graphics.drawable.Drawable;
+import android.os.UserHandle;
 import android.os.Vibrator;
+import android.provider.Settings;
 import android.util.AttributeSet;
 import android.util.Log;
 import android.view.Gravity;
@@ -811,11 +813,16 @@
      * Triggers haptic feedback.
      */
     private synchronized void vibrate(long duration) {
-        if (mVibrator == null) {
-            mVibrator = (android.os.Vibrator)
-                    getContext().getSystemService(Context.VIBRATOR_SERVICE);
+        final boolean hapticEnabled = Settings.System.getIntForUser(
+                mContext.getContentResolver(), Settings.System.HAPTIC_FEEDBACK_ENABLED, 1,
+                UserHandle.USER_CURRENT) != 0;
+        if (hapticEnabled) {
+            if (mVibrator == null) {
+                mVibrator = (android.os.Vibrator) getContext()
+                        .getSystemService(Context.VIBRATOR_SERVICE);
+            }
+            mVibrator.vibrate(duration);
         }
-        mVibrator.vibrate(duration);
     }
 
     /**
diff --git a/core/java/com/android/internal/widget/WaveView.java b/core/java/com/android/internal/widget/WaveView.java
index 2d89234..d33d50c 100644
--- a/core/java/com/android/internal/widget/WaveView.java
+++ b/core/java/com/android/internal/widget/WaveView.java
@@ -25,7 +25,9 @@
 import android.graphics.BitmapFactory;
 import android.graphics.Canvas;
 import android.graphics.drawable.BitmapDrawable;
+import android.os.UserHandle;
 import android.os.Vibrator;
+import android.provider.Settings;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;
@@ -573,11 +575,16 @@
      * Triggers haptic feedback.
      */
     private synchronized void vibrate(long duration) {
-        if (mVibrator == null) {
-            mVibrator = (android.os.Vibrator)
-                    getContext().getSystemService(Context.VIBRATOR_SERVICE);
+        final boolean hapticEnabled = Settings.System.getIntForUser(
+                mContext.getContentResolver(), Settings.System.HAPTIC_FEEDBACK_ENABLED, 1,
+                UserHandle.USER_CURRENT) != 0;
+        if (hapticEnabled) {
+            if (mVibrator == null) {
+                mVibrator = (android.os.Vibrator) getContext()
+                        .getSystemService(Context.VIBRATOR_SERVICE);
+            }
+            mVibrator.vibrate(duration);
         }
-        mVibrator.vibrate(duration);
     }
 
     /**
diff --git a/core/java/com/android/internal/widget/multiwaveview/GlowPadView.java b/core/java/com/android/internal/widget/multiwaveview/GlowPadView.java
index f507a79..0f49776 100644
--- a/core/java/com/android/internal/widget/multiwaveview/GlowPadView.java
+++ b/core/java/com/android/internal/widget/multiwaveview/GlowPadView.java
@@ -31,7 +31,9 @@
 import android.graphics.Canvas;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
+import android.os.UserHandle;
 import android.os.Vibrator;
+import android.provider.Settings;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;
@@ -543,7 +545,10 @@
     }
 
     private void vibrate() {
-        if (mVibrator != null) {
+        final boolean hapticEnabled = Settings.System.getIntForUser(
+                mContext.getContentResolver(), Settings.System.HAPTIC_FEEDBACK_ENABLED, 1,
+                UserHandle.USER_CURRENT) != 0;
+        if (mVibrator != null && hapticEnabled) {
             mVibrator.vibrate(mVibrationDuration);
         }
     }
diff --git a/core/java/com/android/internal/widget/multiwaveview/MultiWaveView.java b/core/java/com/android/internal/widget/multiwaveview/MultiWaveView.java
index 7990b4c..e22d1e8 100644
--- a/core/java/com/android/internal/widget/multiwaveview/MultiWaveView.java
+++ b/core/java/com/android/internal/widget/multiwaveview/MultiWaveView.java
@@ -32,7 +32,9 @@
 import android.graphics.RectF;
 import android.graphics.drawable.Drawable;
 import android.os.Bundle;
+import android.os.UserHandle;
 import android.os.Vibrator;
+import android.provider.Settings;
 import android.text.TextUtils;
 import android.util.AttributeSet;
 import android.util.Log;
@@ -593,7 +595,10 @@
     }
 
     private void vibrate() {
-        if (mVibrator != null) {
+        final boolean hapticEnabled = Settings.System.getIntForUser(
+                mContext.getContentResolver(), Settings.System.HAPTIC_FEEDBACK_ENABLED, 1,
+                UserHandle.USER_CURRENT) != 0;
+        if (mVibrator != null && hapticEnabled) {
             mVibrator.vibrate(mVibrationDuration);
         }
     }
diff --git a/core/res/res/layout/keyguard_emergency_carrier_area.xml b/core/res/res/layout/keyguard_emergency_carrier_area.xml
index c16955c..f9a593f 100644
--- a/core/res/res/layout/keyguard_emergency_carrier_area.xml
+++ b/core/res/res/layout/keyguard_emergency_carrier_area.xml
@@ -23,7 +23,7 @@
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
     android:orientation="vertical"
-    android:gravity="center_horizontal"
+    android:gravity="center"
     android:layout_gravity="center_horizontal"
     android:layout_alignParentBottom="true">
 
diff --git a/core/res/res/layout/keyguard_selector_view.xml b/core/res/res/layout/keyguard_selector_view.xml
index 4838c2a..daaf35b 100644
--- a/core/res/res/layout/keyguard_selector_view.xml
+++ b/core/res/res/layout/keyguard_selector_view.xml
@@ -41,10 +41,8 @@
         <include layout="@layout/keyguard_emergency_carrier_area"
             android:id="@+id/keyguard_selector_fade_container"
             android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="vertical"
-            android:layout_gravity="bottom|center_horizontal"
-            android:gravity="center_horizontal" />
+            android:layout_height="48dp"
+            android:layout_gravity="bottom|center_horizontal" />
     </FrameLayout>
 
 </com.android.internal.policy.impl.keyguard.KeyguardSelectorView>
diff --git a/packages/FusedLocation/src/com/android/location/fused/FusionEngine.java b/packages/FusedLocation/src/com/android/location/fused/FusionEngine.java
index 2cf795d..87d56fd 100644
--- a/packages/FusedLocation/src/com/android/location/fused/FusionEngine.java
+++ b/packages/FusedLocation/src/com/android/location/fused/FusionEngine.java
@@ -42,16 +42,7 @@
     private static final String NETWORK = LocationManager.NETWORK_PROVIDER;
     private static final String GPS = LocationManager.GPS_PROVIDER;
 
-    // threshold below which a location is considered stale enough
-    // that we shouldn't use its bearing, altitude, speed etc
-    private static final double WEIGHT_THRESHOLD = 0.5;
-    // accuracy in meters at which a Location's weight is halved (compared to 0 accuracy)
-    private static final double ACCURACY_HALFLIFE_M = 20.0;
-    // age in seconds at which a Location's weight is halved (compared to 0 age)
-    private static final double AGE_HALFLIFE_S = 60.0;
-
-    private static final double ACCURACY_DECAY_CONSTANT_M = Math.log(2) / ACCURACY_HALFLIFE_M;
-    private static final double AGE_DECAY_CONSTANT_S = Math.log(2) / AGE_HALFLIFE_S;
+    public static final long SWITCH_ON_FRESHNESS_CLIFF_NS = 11 * 1000000000; // 11 seconds
 
     private final Context mContext;
     private final LocationManager mLocationManager;
@@ -62,8 +53,6 @@
     private Location mFusedLocation;
     private Location mGpsLocation;
     private Location mNetworkLocation;
-    private double mNetworkWeight;
-    private double mGpsWeight;
 
     private boolean mEnabled;
     private ProviderRequestUnbundled mRequest;
@@ -102,10 +91,6 @@
         Log.i(TAG, "engine stopped (" + mContext.getPackageName() + ")");
     }
 
-    private boolean isAvailable() {
-        return mStats.get(GPS).available || mStats.get(NETWORK).available;
-    }
-
     /** Called on mLooper thread */
     public void enable() {
         mEnabled = true;
@@ -130,7 +115,6 @@
         public boolean requested;
         public long requestTime;
         public long minTime;
-        public long lastRequestTtff;
         @Override
         public String toString() {
             StringBuilder s = new StringBuilder();
@@ -171,9 +155,6 @@
             return;
         }
 
-        ProviderStats gpsStats = mStats.get(GPS);
-        ProviderStats networkStats = mStats.get(NETWORK);
-
         long networkInterval = Long.MAX_VALUE;
         long gpsInterval = Long.MAX_VALUE;
         for (LocationRequest request : mRequest.getLocationRequests()) {
@@ -209,104 +190,46 @@
         }
     }
 
-    private static double weighAccuracy(Location loc) {
-        double accuracy = loc.getAccuracy();
-        return Math.exp(-accuracy * ACCURACY_DECAY_CONSTANT_M);
-    }
+    /**
+     * Test whether one location (a) is better to use than another (b).
+     */
+    private static boolean isBetterThan(Location locationA, Location locationB) {
+      if (locationA == null) {
+        return false;
+      }
+      if (locationB == null) {
+        return true;
+      }
+      // A provider is better if the reading is sufficiently newer.  Heading
+      // underground can cause GPS to stop reporting fixes.  In this case it's
+      // appropriate to revert to cell, even when its accuracy is less.
+      if (locationA.getElapsedRealtimeNanos() > locationB.getElapsedRealtimeNanos() + SWITCH_ON_FRESHNESS_CLIFF_NS) {
+        return true;
+      }
 
-    private static double weighAge(Location loc) {
-        long ageSeconds = SystemClock.elapsedRealtimeNanos() - loc.getElapsedRealtimeNanos();
-        ageSeconds /= 1000000000L;
-        if (ageSeconds < 0) ageSeconds = 0;
-        return Math.exp(-ageSeconds * AGE_DECAY_CONSTANT_S);
-    }
-
-    private double weigh(double gps, double network) {
-        return (gps * mGpsWeight) + (network * mNetworkWeight);
-    }
-
-    private double weigh(double gps, double network, double wrapMin, double wrapMax) {
-        // apply aliasing
-        double wrapWidth = wrapMax - wrapMin;
-        if (gps - network > wrapWidth / 2) network += wrapWidth;
-        else if (network - gps > wrapWidth / 2) gps += wrapWidth;
-
-        double result = weigh(gps, network);
-
-        // remove aliasing
-        if (result > wrapMax) result -= wrapWidth;
-        return result;
+      // A provider is better if it has better accuracy.  Assuming both readings
+      // are fresh (and by that accurate), choose the one with the smaller
+      // accuracy circle.
+      if (!locationA.hasAccuracy()) {
+        return false;
+      }
+      if (!locationB.hasAccuracy()) {
+        return true;
+      }
+      return locationA.getAccuracy() < locationB.getAccuracy();
     }
 
     private void updateFusedLocation() {
-        // naive fusion
-        mNetworkWeight = weighAccuracy(mNetworkLocation) * weighAge(mNetworkLocation);
-        mGpsWeight = weighAccuracy(mGpsLocation) * weighAge(mGpsLocation);
-        // scale mNetworkWeight and mGpsWeight so that they add to 1
-        double totalWeight = mNetworkWeight + mGpsWeight;
-        mNetworkWeight /= totalWeight;
-        mGpsWeight /= totalWeight;
-
-        Location fused = new Location(LocationManager.FUSED_PROVIDER);
-        // fuse lat/long
-        // assumes the two locations are close enough that earth curvature doesn't matter
-        fused.setLatitude(weigh(mGpsLocation.getLatitude(), mNetworkLocation.getLatitude()));
-        fused.setLongitude(weigh(mGpsLocation.getLongitude(), mNetworkLocation.getLongitude(),
-                -180.0, 180.0));
-
-        // fused accuracy
-        //TODO: use some real math instead of this crude fusion
-        // one suggestion is to fuse in a quadratic manner, eg
-        // sqrt(weigh(gpsAcc^2, netAcc^2)).
-        // another direction to explore is to consider the difference in the 2
-        // locations. If the component locations overlap, the fused accuracy is
-        // better than the component accuracies. If they are far apart,
-        // the fused accuracy is much worse.
-        fused.setAccuracy((float)weigh(mGpsLocation.getAccuracy(), mNetworkLocation.getAccuracy()));
-
-        // fused time - now
-        fused.setTime(System.currentTimeMillis());
-        fused.setElapsedRealtimeNanos(SystemClock.elapsedRealtimeNanos());
-
-        // fuse altitude
-        if (mGpsLocation.hasAltitude() && !mNetworkLocation.hasAltitude() &&
-                mGpsWeight > WEIGHT_THRESHOLD) {
-            fused.setAltitude(mGpsLocation.getAltitude());   // use GPS
-        } else if (!mGpsLocation.hasAltitude() && mNetworkLocation.hasAltitude() &&
-                mNetworkWeight > WEIGHT_THRESHOLD) {
-            fused.setAltitude(mNetworkLocation.getAltitude());   // use Network
-        } else if (mGpsLocation.hasAltitude() && mNetworkLocation.hasAltitude()) {
-            fused.setAltitude(weigh(mGpsLocation.getAltitude(), mNetworkLocation.getAltitude()));
+        // may the best location win!
+        if (isBetterThan(mGpsLocation, mNetworkLocation)) {
+            mFusedLocation = new Location(mGpsLocation);
+        } else {
+            mFusedLocation = new Location(mNetworkLocation);
         }
-
-        // fuse speed
-        if (mGpsLocation.hasSpeed() && !mNetworkLocation.hasSpeed() &&
-                mGpsWeight > WEIGHT_THRESHOLD) {
-            fused.setSpeed(mGpsLocation.getSpeed());   // use GPS if its not too old
-        } else if (!mGpsLocation.hasSpeed() && mNetworkLocation.hasSpeed() &&
-                mNetworkWeight > WEIGHT_THRESHOLD) {
-            fused.setSpeed(mNetworkLocation.getSpeed());   // use Network
-        } else if (mGpsLocation.hasSpeed() && mNetworkLocation.hasSpeed()) {
-            fused.setSpeed((float)weigh(mGpsLocation.getSpeed(), mNetworkLocation.getSpeed()));
-        }
-
-        // fuse bearing
-        if (mGpsLocation.hasBearing() && !mNetworkLocation.hasBearing() &&
-                mGpsWeight > WEIGHT_THRESHOLD) {
-            fused.setBearing(mGpsLocation.getBearing());   // use GPS if its not too old
-        } else if (!mGpsLocation.hasBearing() && mNetworkLocation.hasBearing() &&
-                mNetworkWeight > WEIGHT_THRESHOLD) {
-            fused.setBearing(mNetworkLocation.getBearing());   // use Network
-        } else if (mGpsLocation.hasBearing() && mNetworkLocation.hasBearing()) {
-            fused.setBearing((float)weigh(mGpsLocation.getBearing(), mNetworkLocation.getBearing(),
-                    0.0, 360.0));
-        }
-
         if (mNetworkLocation != null) {
-            fused.setExtraLocation(Location.EXTRA_NO_GPS_LOCATION, mNetworkLocation);
+            mFusedLocation.setExtraLocation(Location.EXTRA_NO_GPS_LOCATION, mNetworkLocation);
         }
-
-        mFusedLocation = fused;
+        mFusedLocation.setProvider(LocationManager.FUSED_PROVIDER);
 
         mCallback.reportLocation(mFusedLocation);
     }
@@ -349,9 +272,9 @@
         StringBuilder s = new StringBuilder();
         s.append("mEnabled=" + mEnabled).append(' ').append(mRequest).append('\n');
         s.append("fused=").append(mFusedLocation).append('\n');
-        s.append(String.format("gps %.3f %s\n", mGpsWeight, mGpsLocation));
+        s.append(String.format("gps %s\n", mGpsLocation));
         s.append("    ").append(mStats.get(GPS)).append('\n');
-        s.append(String.format("net %.3f %s\n", mNetworkWeight, mNetworkLocation));
+        s.append(String.format("net %s\n", mNetworkLocation));
         s.append("    ").append(mStats.get(NETWORK)).append('\n');
         pw.append(s);
     }
diff --git a/packages/SystemUI/res/anim/recent_app_enter.xml b/packages/SystemUI/res/anim/recent_app_enter.xml
deleted file mode 100644
index 4947eee..0000000
--- a/packages/SystemUI/res/anim/recent_app_enter.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2009, 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.
-*/
--->
-
-<!-- Special window zoom animation: this is the element that enters the screen,
-     it starts at 200% and scales down.  Goes with zoom_exit.xml. -->
-<set xmlns:android="http://schemas.android.com/apk/res/android"
-        android:interpolator="@android:anim/decelerate_interpolator">
-    <scale android:fromXScale="0.25" android:toXScale="1.0"
-           android:fromYScale="0.25" android:toYScale="1.0"
-           android:pivotX="0%p" android:pivotY="0%p"
-           android:duration="500" />
-    <alpha android:fromAlpha="0.0" android:toAlpha="1.0"
-            android:duration="500"/>
-</set>
diff --git a/packages/SystemUI/res/anim/recent_app_leave.xml b/packages/SystemUI/res/anim/recent_app_leave.xml
deleted file mode 100644
index 3d83988..0000000
--- a/packages/SystemUI/res/anim/recent_app_leave.xml
+++ /dev/null
@@ -1,30 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<!--
-/*
-** Copyright 2009, 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.
-*/
--->
-
-<!-- Special window zoom animation: this is the element that enters the screen,
-     it starts at 200% and scales down.  Goes with zoom_exit.xml. -->
-<set xmlns:android="http://schemas.android.com/apk/res/android"
-        android:interpolator="@android:anim/decelerate_interpolator">
-    <scale android:fromXScale="1.0" android:toXScale="0.25"
-           android:fromYScale="1.0" android:toYScale="0.25"
-           android:pivotX="0%p" android:pivotY="0%p"
-           android:duration="500" />
-    <alpha android:fromAlpha="1.0" android:toAlpha="0.0"
-            android:duration="500"/>
-</set>
diff --git a/packages/SystemUI/res/anim/recents_launch_from_launcher_enter.xml b/packages/SystemUI/res/anim/recents_launch_from_launcher_enter.xml
new file mode 100644
index 0000000..73ae9f2
--- /dev/null
+++ b/packages/SystemUI/res/anim/recents_launch_from_launcher_enter.xml
@@ -0,0 +1,36 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2012, 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.
+*/
+-->
+
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+     android:detachWallpaper="true"
+     android:shareInterpolator="false"
+     android:zAdjustment="normal">
+  <!--scale android:fromXScale="2.0" android:toXScale="1.0"
+         android:fromYScale="2.0" android:toYScale="1.0"
+         android:interpolator="@android:interpolator/decelerate_cubic"
+         android:fillEnabled="true"
+         android:fillBefore="true" android:fillAfter="true"
+         android:pivotX="50%p" android:pivotY="50%p"
+         android:duration="250" /-->
+  <alpha android:fromAlpha="0.0" android:toAlpha="1.0"
+         android:fillEnabled="true"
+         android:fillBefore="true" android:fillAfter="true"
+         android:interpolator="@android:interpolator/decelerate_cubic"
+         android:duration="250"/>
+</set>
diff --git a/packages/SystemUI/res/anim/recents_launch_from_launcher_exit.xml b/packages/SystemUI/res/anim/recents_launch_from_launcher_exit.xml
new file mode 100644
index 0000000..becc9d0
--- /dev/null
+++ b/packages/SystemUI/res/anim/recents_launch_from_launcher_exit.xml
@@ -0,0 +1,28 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2012, 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.
+*/
+-->
+
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+     android:shareInterpolator="false"
+     android:zAdjustment="normal">
+  <alpha android:fromAlpha="1.0" android:toAlpha="0.0"
+         android:fillEnabled="true"
+         android:fillBefore="true" android:fillAfter="true"
+         android:interpolator="@android:interpolator/decelerate_cubic"
+         android:duration="250"/>
+</set>
diff --git a/packages/SystemUI/res/anim/recents_return_to_launcher_enter.xml b/packages/SystemUI/res/anim/recents_return_to_launcher_enter.xml
new file mode 100644
index 0000000..efa9019
--- /dev/null
+++ b/packages/SystemUI/res/anim/recents_return_to_launcher_enter.xml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2012, 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.
+*/
+-->
+
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+     android:shareInterpolator="false"
+     android:zAdjustment="normal">
+  <alpha android:fromAlpha="0.0" android:toAlpha="1.0"
+         android:interpolator="@android:interpolator/decelerate_cubic"
+         android:duration="250"/>
+</set>
diff --git a/packages/SystemUI/res/anim/recents_return_to_launcher_exit.xml b/packages/SystemUI/res/anim/recents_return_to_launcher_exit.xml
new file mode 100644
index 0000000..e95e667
--- /dev/null
+++ b/packages/SystemUI/res/anim/recents_return_to_launcher_exit.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2012, 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.
+*/
+-->
+
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+     android:shareInterpolator="false"
+     android:zAdjustment="normal">
+  <!--scale android:fromXScale="1.0" android:toXScale="2.0"
+         android:fromYScale="1.0" android:toYScale="2.0"
+         android:interpolator="@android:interpolator/decelerate_cubic"
+         android:pivotX="50%p" android:pivotY="50%p"
+         android:duration="250" /-->
+  <alpha android:fromAlpha="1.0" android:toAlpha="0.0"
+         android:interpolator="@android:interpolator/decelerate_cubic"
+         android:duration="250"/>
+</set>
diff --git a/packages/SystemUI/res/values/dimens.xml b/packages/SystemUI/res/values/dimens.xml
index 4bf6c10..4de0891 100644
--- a/packages/SystemUI/res/values/dimens.xml
+++ b/packages/SystemUI/res/values/dimens.xml
@@ -52,7 +52,7 @@
     <dimen name="status_bar_recents_item_padding">0dip</dimen>
     <!-- When recents first appears, how far the icon and label of the primary activity
          travel -->
-    <dimen name="status_bar_recents_app_icon_translate_distance">100dp</dimen>
+    <dimen name="status_bar_recents_app_icon_translate_distance">35dip</dimen>
 
     <!-- Where to place the app icon over the thumbnail -->
     <dimen name="status_bar_recents_app_icon_left_margin">0dp</dimen>
diff --git a/packages/SystemUI/src/com/android/systemui/SearchPanelView.java b/packages/SystemUI/src/com/android/systemui/SearchPanelView.java
index f71f554..bc61ab0 100644
--- a/packages/SystemUI/src/com/android/systemui/SearchPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/SearchPanelView.java
@@ -184,8 +184,8 @@
 
     private void vibrate() {
         Context context = getContext();
-        if (Settings.System.getInt(context.getContentResolver(),
-                Settings.System.HAPTIC_FEEDBACK_ENABLED, 1) != 0) {
+        if (Settings.System.getIntForUser(context.getContentResolver(),
+                Settings.System.HAPTIC_FEEDBACK_ENABLED, 1, UserHandle.USER_CURRENT) != 0) {
             Resources res = context.getResources();
             Vibrator vibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
             vibrator.vibrate(res.getInteger(R.integer.config_search_panel_view_vibration_duration));
diff --git a/packages/SystemUI/src/com/android/systemui/recent/RecentsActivity.java b/packages/SystemUI/src/com/android/systemui/recent/RecentsActivity.java
index 79069b8..ef9f36e 100644
--- a/packages/SystemUI/src/com/android/systemui/recent/RecentsActivity.java
+++ b/packages/SystemUI/src/com/android/systemui/recent/RecentsActivity.java
@@ -18,6 +18,7 @@
 
 import android.app.Activity;
 import android.app.ActivityManager;
+import android.app.WallpaperManager;
 import android.content.BroadcastReceiver;
 import android.content.Context;
 import android.content.Intent;
@@ -26,6 +27,7 @@
 import android.os.UserHandle;
 import android.view.MotionEvent;
 import android.view.View;
+import android.view.WindowManager;
 
 import com.android.systemui.R;
 import com.android.systemui.SystemUIApplication;
@@ -42,6 +44,7 @@
     private IntentFilter mIntentFilter;
     private boolean mShowing;
     private boolean mForeground;
+
     private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
         @Override
         public void onReceive(Context context, Intent intent) {
@@ -79,6 +82,9 @@
 
     @Override
     public void onPause() {
+        overridePendingTransition(
+                R.anim.recents_return_to_launcher_enter,
+                R.anim.recents_return_to_launcher_exit);
         mForeground = false;
         super.onPause();
     }
@@ -92,8 +98,23 @@
         super.onStop();
     }
 
+    private void updateWallpaperVisibility(boolean visible) {
+        int wpflags = visible ? WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER : 0;
+        int curflags = getWindow().getAttributes().flags
+                & WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
+        if (wpflags != curflags) {
+            getWindow().setFlags(wpflags, WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER);
+        }
+    }
+
     @Override
     public void onStart() {
+        // Hide wallpaper if it's not a static image
+        if (WallpaperManager.getInstance(this).getWallpaperInfo() != null) {
+            updateWallpaperVisibility(false);
+        } else {
+            updateWallpaperVisibility(true);
+        }
         mShowing = true;
         if (mRecentsPanel != null) {
             mRecentsPanel.refreshViews();
diff --git a/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java b/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
index 8607508..57d2ed3 100644
--- a/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/recent/RecentsPanelView.java
@@ -520,7 +520,7 @@
 
     public void onWindowAnimationStart() {
         if (mItemToAnimateInWhenWindowAnimationIsFinished != null) {
-            final int startDelay = 100;
+            final int startDelay = 150;
             final int duration = 250;
             final ViewHolder holder = mItemToAnimateInWhenWindowAnimationIsFinished;
             final TimeInterpolator cubic = new DecelerateInterpolator(1.5f);
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
index 3e929d6..577b1f4 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/BaseStatusBar.java
@@ -485,7 +485,11 @@
                     | Intent.FLAG_ACTIVITY_EXCLUDE_FROM_RECENTS);
 
             if (firstTask == null) {
-                mContext.startActivityAsUser(intent, new UserHandle(UserHandle.USER_CURRENT));
+                ActivityOptions opts = ActivityOptions.makeCustomAnimation(mContext,
+                        R.anim.recents_launch_from_launcher_enter,
+                        R.anim.recents_launch_from_launcher_exit);
+                mContext.startActivityAsUser(intent, opts.toBundle(), new UserHandle(
+                        UserHandle.USER_CURRENT));
             } else {
                 Bitmap first = firstTask.getThumbnail();
                 final Resources res = mContext.getResources();
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java
index 8c390c8..faf20e2 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/phone/QuickSettings.java
@@ -754,6 +754,7 @@
             mBrightnessDialog.setCanceledOnTouchOutside(true);
 
             mBrightnessController = new BrightnessController(mContext,
+                    (ImageView) mBrightnessDialog.findViewById(R.id.brightness_icon),
                     (ToggleSlider) mBrightnessDialog.findViewById(R.id.brightness_slider));
             mBrightnessController.addStateChangedCallback(mModel);
             mBrightnessDialog.setOnDismissListener(new DialogInterface.OnDismissListener() {
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/policy/BrightnessController.java b/packages/SystemUI/src/com/android/systemui/statusbar/policy/BrightnessController.java
index 0009503..e18b28a 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/policy/BrightnessController.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/policy/BrightnessController.java
@@ -28,6 +28,7 @@
 import android.util.Slog;
 import android.view.IWindowManager;
 import android.widget.CompoundButton;
+import android.widget.ImageView;
 
 import com.android.systemui.statusbar.policy.BatteryController.BatteryStateChangeCallback;
 
@@ -40,6 +41,7 @@
     private final int mMaximumBacklight;
 
     private final Context mContext;
+    private final ImageView mIcon;
     private final ToggleSlider mControl;
     private final boolean mAutomaticAvailable;
     private final IPowerManager mPower;
@@ -52,8 +54,9 @@
         public void onBrightnessLevelChanged();
     }
 
-    public BrightnessController(Context context, ToggleSlider control) {
+    public BrightnessController(Context context, ImageView icon, ToggleSlider control) {
         mContext = context;
+        mIcon = icon;
         mControl = control;
         mUserTracker = new CurrentUserTracker(mContext);
 
@@ -84,8 +87,10 @@
                 automatic = 0;
             }
             control.setChecked(automatic != 0);
+            updateIcon(automatic != 0);
         } else {
             control.setChecked(false);
+            updateIcon(false /*automatic*/);
             //control.hideToggle();
         }
         
@@ -105,6 +110,7 @@
     public void onChanged(ToggleSlider view, boolean tracking, boolean automatic, int value) {
         setMode(automatic ? Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC
                 : Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL);
+        updateIcon(automatic);
         if (!automatic) {
             final int val = value + mMinimumBacklight;
             setBrightness(val);
@@ -136,4 +142,12 @@
         } catch (RemoteException ex) {
         }        
     }
+
+    private void updateIcon(boolean automatic) {
+        if (mIcon != null) {
+            mIcon.setImageResource(automatic ?
+                    com.android.systemui.R.drawable.ic_qs_brightness_auto_on :
+                    com.android.systemui.R.drawable.ic_qs_brightness_auto_off);
+        }
+    }
 }
diff --git a/packages/SystemUI/src/com/android/systemui/statusbar/tablet/SettingsView.java b/packages/SystemUI/src/com/android/systemui/statusbar/tablet/SettingsView.java
index 194f1f6..f71842e 100644
--- a/packages/SystemUI/src/com/android/systemui/statusbar/tablet/SettingsView.java
+++ b/packages/SystemUI/src/com/android/systemui/statusbar/tablet/SettingsView.java
@@ -78,6 +78,7 @@
                 });
 
         mBrightness = new BrightnessController(context,
+                (ImageView)findViewById(R.id.brightness_icon),
                 (ToggleSlider)findViewById(R.id.brightness));
         mDoNotDisturb = new DoNotDisturbController(context,
                 (CompoundButton)findViewById(R.id.do_not_disturb_checkbox));
diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index daed0a2..7132e1e 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -3930,48 +3930,54 @@
             removeDyingProviderLocked(null, providers.get(i), true);
         }
 
-        if (mIntentSenderRecords.size() > 0) {
-            Iterator<WeakReference<PendingIntentRecord>> it
-                    = mIntentSenderRecords.values().iterator();
-            while (it.hasNext()) {
-                WeakReference<PendingIntentRecord> wpir = it.next();
-                if (wpir == null) {
+        if (name == null) {
+            // Remove pending intents.  For now we only do this when force
+            // stopping users, because we have some problems when doing this
+            // for packages -- app widgets are not currently cleaned up for
+            // such packages, so they can be left with bad pending intents.
+            if (mIntentSenderRecords.size() > 0) {
+                Iterator<WeakReference<PendingIntentRecord>> it
+                        = mIntentSenderRecords.values().iterator();
+                while (it.hasNext()) {
+                    WeakReference<PendingIntentRecord> wpir = it.next();
+                    if (wpir == null) {
+                        it.remove();
+                        continue;
+                    }
+                    PendingIntentRecord pir = wpir.get();
+                    if (pir == null) {
+                        it.remove();
+                        continue;
+                    }
+                    if (name == null) {
+                        // Stopping user, remove all objects for the user.
+                        if (pir.key.userId != userId) {
+                            // Not the same user, skip it.
+                            continue;
+                        }
+                    } else {
+                        if (UserHandle.getAppId(pir.uid) != appId) {
+                            // Different app id, skip it.
+                            continue;
+                        }
+                        if (userId != UserHandle.USER_ALL && pir.key.userId != userId) {
+                            // Different user, skip it.
+                            continue;
+                        }
+                        if (!pir.key.packageName.equals(name)) {
+                            // Different package, skip it.
+                            continue;
+                        }
+                    }
+                    if (!doit) {
+                        return true;
+                    }
+                    didSomething = true;
                     it.remove();
-                    continue;
-                }
-                PendingIntentRecord pir = wpir.get();
-                if (pir == null) {
-                    it.remove();
-                    continue;
-                }
-                if (name == null) {
-                    // Stopping user, remove all objects for the user.
-                    if (pir.key.userId != userId) {
-                        // Not the same user, skip it.
-                        continue;
+                    pir.canceled = true;
+                    if (pir.key.activity != null) {
+                        pir.key.activity.pendingResults.remove(pir.ref);
                     }
-                } else {
-                    if (UserHandle.getAppId(pir.uid) != appId) {
-                        // Different app id, skip it.
-                        continue;
-                    }
-                    if (userId != UserHandle.USER_ALL && pir.key.userId != userId) {
-                        // Different user, skip it.
-                        continue;
-                    }
-                    if (!pir.key.packageName.equals(name)) {
-                        // Different package, skip it.
-                        continue;
-                    }
-                }
-                if (!doit) {
-                    return true;
-                }
-                didSomething = true;
-                it.remove();
-                pir.canceled = true;
-                if (pir.key.activity != null) {
-                    pir.key.activity.pendingResults.remove(pir.ref);
                 }
             }
         }
diff --git a/tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/Blend.java b/tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/Blend.java
index 2920824..2303fc3 100644
--- a/tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/Blend.java
+++ b/tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/Blend.java
@@ -52,8 +52,10 @@
             new AdapterView.OnItemSelectedListener() {
                 public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
                     currentIntrinsic = pos;
-                    runTest();
-                    act.updateDisplay();
+                    if (mRS != null) {
+                        runTest();
+                        act.updateDisplay();
+                    }
                 }
 
                 public void onNothingSelected(AdapterView parent) {
diff --git a/tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/TestBase.java b/tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/TestBase.java
index 8009daa..bb3f2f3 100644
--- a/tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/TestBase.java
+++ b/tests/RenderScriptTests/ImageProcessing/src/com/android/rs/image/TestBase.java
@@ -123,6 +123,7 @@
 
     public void destroy() {
         mRS.destroy();
+        mRS = null;
     }
 
     public void updateBitmap(Bitmap b) {