diff --git a/api/current.txt b/api/current.txt
index a9cd058..00afda2 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -5783,6 +5783,7 @@
     method public java.lang.String getPackageName();
     method public long getTimeStamp();
     field public static final int CONFIGURATION_CHANGE = 5; // 0x5
+    field public static final int INTERACTION = 6; // 0x6
     field public static final int MOVE_TO_BACKGROUND = 2; // 0x2
     field public static final int MOVE_TO_FOREGROUND = 1; // 0x1
     field public static final int NONE = 0; // 0x0
diff --git a/api/system-current.txt b/api/system-current.txt
index 52586ed..0a680003 100644
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -5962,6 +5962,7 @@
     method public java.lang.String getPackageName();
     method public long getTimeStamp();
     field public static final int CONFIGURATION_CHANGE = 5; // 0x5
+    field public static final int INTERACTION = 6; // 0x6
     field public static final int MOVE_TO_BACKGROUND = 2; // 0x2
     field public static final int MOVE_TO_FOREGROUND = 1; // 0x1
     field public static final int NONE = 0; // 0x0
diff --git a/core/java/android/app/usage/UsageEvents.java b/core/java/android/app/usage/UsageEvents.java
index 3cf3c95..58279d7 100644
--- a/core/java/android/app/usage/UsageEvents.java
+++ b/core/java/android/app/usage/UsageEvents.java
@@ -68,6 +68,11 @@
         public static final int CONFIGURATION_CHANGE = 5;
 
         /**
+         * An event type denoting that a package was interacted with in some way.
+         */
+        public static final int INTERACTION = 6;
+
+        /**
          * {@hide}
          */
         public String mPackage;
diff --git a/core/java/android/app/usage/UsageStatsManagerInternal.java b/core/java/android/app/usage/UsageStatsManagerInternal.java
index 083a48a..0122069 100644
--- a/core/java/android/app/usage/UsageStatsManagerInternal.java
+++ b/core/java/android/app/usage/UsageStatsManagerInternal.java
@@ -37,6 +37,16 @@
     public abstract void reportEvent(ComponentName component, int userId, int eventType);
 
     /**
+     * Reports an event to the UsageStatsManager.
+     *
+     * @param packageName The package for which this event occurred.
+     * @param userId The user id to which the component belongs to.
+     * @param eventType The event that occurred. Valid values can be found at
+     * {@link UsageEvents}
+     */
+    public abstract void reportEvent(String packageName, int userId, int eventType);
+
+    /**
      * Reports a configuration change to the UsageStatsManager.
      *
      * @param config The new device configuration.
diff --git a/core/java/android/content/UndoManager.java b/core/java/android/content/UndoManager.java
index 559b01c..1d5ed8a 100644
--- a/core/java/android/content/UndoManager.java
+++ b/core/java/android/content/UndoManager.java
@@ -162,6 +162,7 @@
             owner.mSavedIdx = mNextSavedIdx;
             out.writeInt(owner.mSavedIdx);
             out.writeString(owner.mTag);
+            out.writeInt(owner.mOpCount);
             mNextSavedIdx++;
         }
     }
@@ -200,7 +201,9 @@
         UndoOwner owner = mStateOwners[idx];
         if (owner == null) {
             String tag = in.readString();
+            int opCount = in.readInt();
             owner = new UndoOwner(tag, this);
+            owner.mOpCount = opCount;
             mStateOwners[idx] = owner;
             mOwners.put(tag, owner);
         }
diff --git a/core/java/android/content/UndoOwner.java b/core/java/android/content/UndoOwner.java
index 9106588..fd257ab 100644
--- a/core/java/android/content/UndoOwner.java
+++ b/core/java/android/content/UndoOwner.java
@@ -61,4 +61,15 @@
     public Object getData() {
         return mData;
     }
+
+    @Override
+    public String toString() {
+        return "UndoOwner:[mTag=" + mTag +
+                " mManager=" + mManager +
+                " mData=" + mData +
+                " mData=" + mData +
+                " mOpCount=" + mOpCount +
+                " mStateSeq=" + mStateSeq +
+                " mSavedIdx=" + mSavedIdx + "]";
+    }
 }
diff --git a/core/java/android/widget/PopupWindow.java b/core/java/android/widget/PopupWindow.java
index a929f3d..399f4c5 100644
--- a/core/java/android/widget/PopupWindow.java
+++ b/core/java/android/widget/PopupWindow.java
@@ -160,14 +160,14 @@
     private final EpicenterCallback mEpicenterCallback = new EpicenterCallback() {
         @Override
         public Rect onGetEpicenter(Transition transition) {
-            final View anchor = mAnchor.get();
+            final View anchor = mAnchor != null ? mAnchor.get() : null;
             final View decor = mDecorView;
             if (anchor == null || decor == null) {
                 return null;
             }
 
             final Rect anchorBounds = mAnchorBounds;
-            final int[] anchorLocation = mAnchor.get().getLocationOnScreen();
+            final int[] anchorLocation = anchor.getLocationOnScreen();
             final int[] popupLocation = mDecorView.getLocationOnScreen();
 
             // Compute the position of the anchor relative to the popup.
@@ -1632,8 +1632,14 @@
      * view hierarchy, if necessary.
      */
     private void dismissImmediate(View contentView) {
+        if (mDecorView == null || mBackgroundView == null) {
+            throw new RuntimeException("Popup window already dismissed");
+        }
+
         try {
-            mWindowManager.removeViewImmediate(mDecorView);
+            if (mDecorView.isAttachedToWindow()) {
+                mWindowManager.removeViewImmediate(mDecorView);
+            }
         } finally {
             mDecorView.removeView(mBackgroundView);
             mDecorView = null;
diff --git a/rs/java/android/renderscript/AllocationAdapter.java b/rs/java/android/renderscript/AllocationAdapter.java
index 9e28f7c..183726f 100644
--- a/rs/java/android/renderscript/AllocationAdapter.java
+++ b/rs/java/android/renderscript/AllocationAdapter.java
@@ -72,17 +72,19 @@
     private void updateOffsets() {
         int a1 = 0, a2 = 0, a3 = 0, a4 = 0;
 
-        if (mSelectedArray.length > 0) {
-            a1 = mSelectedArray[0];
-        }
-        if (mSelectedArray.length > 1) {
-            a2 = mSelectedArray[2];
-        }
-        if (mSelectedArray.length > 2) {
-            a3 = mSelectedArray[2];
-        }
-        if (mSelectedArray.length > 3) {
-            a4 = mSelectedArray[3];
+        if (mSelectedArray != null) {
+            if (mSelectedArray.length > 0) {
+                a1 = mSelectedArray[0];
+            }
+            if (mSelectedArray.length > 1) {
+                a2 = mSelectedArray[2];
+            }
+            if (mSelectedArray.length > 2) {
+                a3 = mSelectedArray[2];
+            }
+            if (mSelectedArray.length > 3) {
+                a4 = mSelectedArray[3];
+            }
         }
         mRS.nAllocationAdapterOffset(getID(mRS), mSelectedX, mSelectedY, mSelectedZ,
                                      mSelectedLOD, mSelectedFace.mID, a1, a2, a3, a4);
diff --git a/services/core/java/com/android/server/TelephonyRegistry.java b/services/core/java/com/android/server/TelephonyRegistry.java
index 376ef2a..d153233 100644
--- a/services/core/java/com/android/server/TelephonyRegistry.java
+++ b/services/core/java/com/android/server/TelephonyRegistry.java
@@ -259,7 +259,7 @@
                         + newDefaultSubIdObj + " newDefaultPhoneId=" + newDefaultPhoneId);
                 }
 
-                if(validatePhoneId(newDefaultPhoneId) && (newDefaultSubIdObj.equals(mDefaultSubId)
+                if(validatePhoneId(newDefaultPhoneId) && (!newDefaultSubIdObj.equals(mDefaultSubId)
                         || (newDefaultPhoneId != mDefaultPhoneId))) {
                     mHandler.sendMessage(mHandler.obtainMessage(MSG_UPDATE_DEFAULT_SUB,
                             newDefaultPhoneId, 0, newDefaultSubIdObj));
diff --git a/services/core/java/com/android/server/audio/AudioService.java b/services/core/java/com/android/server/audio/AudioService.java
index 80145b1..018d77a 100644
--- a/services/core/java/com/android/server/audio/AudioService.java
+++ b/services/core/java/com/android/server/audio/AudioService.java
@@ -5347,8 +5347,8 @@
 
     //==========================================================================================
     // Hdmi Cec system audio mode.
-    // If Hdmi Cec's system audio mode is on, audio service should notify volume change
-    // to HdmiControlService so that audio recevier can handle volume change.
+    // If Hdmi Cec's system audio mode is on, audio service should send the volume change
+    // to HdmiControlService so that the audio receiver can handle it.
     //==========================================================================================
 
     private class MyDisplayStatusCallback implements HdmiPlaybackClient.DisplayStatusCallback {
diff --git a/services/usage/java/com/android/server/usage/IntervalStats.java b/services/usage/java/com/android/server/usage/IntervalStats.java
index 5f639ab..869d6e1 100644
--- a/services/usage/java/com/android/server/usage/IntervalStats.java
+++ b/services/usage/java/com/android/server/usage/IntervalStats.java
@@ -81,6 +81,17 @@
         return event;
     }
 
+    private boolean isStatefulEvent(int eventType) {
+        switch (eventType) {
+            case UsageEvents.Event.MOVE_TO_FOREGROUND:
+            case UsageEvents.Event.MOVE_TO_BACKGROUND:
+            case UsageEvents.Event.END_OF_DAY:
+            case UsageEvents.Event.CONTINUE_PREVIOUS_DAY:
+                return true;
+        }
+        return false;
+    }
+
     void update(String packageName, long timeStamp, int eventType) {
         UsageStats usageStats = getOrCreateUsageStats(packageName);
 
@@ -93,7 +104,11 @@
                 usageStats.mTotalTimeInForeground += timeStamp - usageStats.mLastTimeUsed;
             }
         }
-        usageStats.mLastEvent = eventType;
+
+        if (isStatefulEvent(eventType)) {
+            usageStats.mLastEvent = eventType;
+        }
+
         usageStats.mLastTimeUsed = timeStamp;
         usageStats.mEndTimeStamp = timeStamp;
 
diff --git a/services/usage/java/com/android/server/usage/UsageStatsDatabase.java b/services/usage/java/com/android/server/usage/UsageStatsDatabase.java
index 26ced03..235567c 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsDatabase.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsDatabase.java
@@ -378,26 +378,27 @@
                 }
             }
 
-            try {
-                IntervalStats stats = new IntervalStats();
-                ArrayList<T> results = new ArrayList<>();
-                for (int i = startIndex; i <= endIndex; i++) {
-                    final AtomicFile f = intervalStats.valueAt(i);
+            final IntervalStats stats = new IntervalStats();
+            final ArrayList<T> results = new ArrayList<>();
+            for (int i = startIndex; i <= endIndex; i++) {
+                final AtomicFile f = intervalStats.valueAt(i);
 
-                    if (DEBUG) {
-                        Slog.d(TAG, "Reading stat file " + f.getBaseFile().getAbsolutePath());
-                    }
+                if (DEBUG) {
+                    Slog.d(TAG, "Reading stat file " + f.getBaseFile().getAbsolutePath());
+                }
 
+                try {
                     UsageStatsXml.read(f, stats);
                     if (beginTime < stats.endTime) {
                         combiner.combine(stats, false, results);
                     }
+                } catch (IOException e) {
+                    Slog.e(TAG, "Failed to read usage stats file", e);
+                    // We continue so that we return results that are not
+                    // corrupt.
                 }
-                return results;
-            } catch (IOException e) {
-                Slog.e(TAG, "Failed to read usage stats file", e);
-                return null;
             }
+            return results;
         }
     }
 
@@ -450,6 +451,10 @@
             mCal.addDays(-7);
             pruneFilesOlderThan(mIntervalDirs[UsageStatsManager.INTERVAL_DAILY],
                     mCal.getTimeInMillis());
+
+            // We must re-index our file list or we will be trying to read
+            // deleted files.
+            indexFilesLocked();
         }
     }
 
diff --git a/services/usage/java/com/android/server/usage/UsageStatsService.java b/services/usage/java/com/android/server/usage/UsageStatsService.java
index 485b2a2..5eefe6a 100644
--- a/services/usage/java/com/android/server/usage/UsageStatsService.java
+++ b/services/usage/java/com/android/server/usage/UsageStatsService.java
@@ -488,6 +488,23 @@
         }
 
         @Override
+        public void reportEvent(String packageName, int userId, int eventType) {
+            if (packageName == null) {
+                Slog.w(TAG, "Event reported without a package name");
+                return;
+            }
+
+            UsageEvents.Event event = new UsageEvents.Event();
+            event.mPackage = packageName;
+
+            // This will later be converted to system time.
+            event.mTimeStamp = SystemClock.elapsedRealtime();
+
+            event.mEventType = eventType;
+            mHandler.obtainMessage(MSG_REPORT_EVENT, userId, 0, event).sendToTarget();
+        }
+
+        @Override
         public void reportConfigurationChange(Configuration config, int userId) {
             if (config == null) {
                 Slog.w(TAG, "Configuration event reported with a null config");
diff --git a/services/usage/java/com/android/server/usage/UserUsageStatsService.java b/services/usage/java/com/android/server/usage/UserUsageStatsService.java
index 6596781..75fa030 100644
--- a/services/usage/java/com/android/server/usage/UserUsageStatsService.java
+++ b/services/usage/java/com/android/server/usage/UserUsageStatsService.java
@@ -570,6 +570,8 @@
                 return "CONTINUE_PREVIOUS_DAY";
             case UsageEvents.Event.CONFIGURATION_CHANGE:
                 return "CONFIGURATION_CHANGE";
+            case UsageEvents.Event.INTERACTION:
+                return "INTERACTION";
             default:
                 return "UNKNOWN";
         }
diff --git a/tests/UsageStatsTest/src/com/android/tests/usagestats/UsageLogActivity.java b/tests/UsageStatsTest/src/com/android/tests/usagestats/UsageLogActivity.java
index d9a3b61..8e6daea 100644
--- a/tests/UsageStatsTest/src/com/android/tests/usagestats/UsageLogActivity.java
+++ b/tests/UsageStatsTest/src/com/android/tests/usagestats/UsageLogActivity.java
@@ -166,6 +166,9 @@
                 case UsageEvents.Event.CONFIGURATION_CHANGE:
                     return "Config change";
 
+                case UsageEvents.Event.INTERACTION:
+                    return "Interaction";
+
                 default:
                     return "Unknown: " + eventType;
             }
diff --git a/tools/layoutlib/.idea/codeStyleSettings.xml b/tools/layoutlib/.idea/codeStyleSettings.xml
index 1f08f09..89f7b34 100644
--- a/tools/layoutlib/.idea/codeStyleSettings.xml
+++ b/tools/layoutlib/.idea/codeStyleSettings.xml
@@ -40,7 +40,6 @@
           <option name="XML_LEGACY_SETTINGS_IMPORTED" value="true" />
         </XML>
         <codeStyleSettings language="JAVA">
-          <option name="INDENT_CASE_FROM_SWITCH" value="false" />
           <option name="ALIGN_MULTILINE_PARAMETERS" value="false" />
           <option name="CALL_PARAMETERS_WRAP" value="1" />
           <option name="METHOD_PARAMETERS_WRAP" value="1" />
diff --git a/tools/layoutlib/bridge/src/android/content/res/BridgeResources.java b/tools/layoutlib/bridge/src/android/content/res/BridgeResources.java
index 66126af..96ca250 100644
--- a/tools/layoutlib/bridge/src/android/content/res/BridgeResources.java
+++ b/tools/layoutlib/bridge/src/android/content/res/BridgeResources.java
@@ -178,11 +178,21 @@
         Pair<String, ResourceValue> value = getResourceValue(id, mPlatformResourceFlag);
 
         if (value != null) {
+            ResourceValue resourceValue = value.getSecond();
             try {
-                return ResourceHelper.getColor(value.getSecond().getValue());
+                return ResourceHelper.getColor(resourceValue.getValue());
             } catch (NumberFormatException e) {
-                Bridge.getLog().error(LayoutLog.TAG_RESOURCES_FORMAT, e.getMessage(), e,
-                        null /*data*/);
+                // Check if the value passed is a file. If it is, mostly likely, user is referencing
+                // a color state list from a place where they should reference only a pure color.
+                String message;
+                if (new File(resourceValue.getValue()).isFile()) {
+                    String resource = (resourceValue.isFramework() ? "@android:" : "@") + "color/"
+                      + resourceValue.getName();
+                    message = "Hexadecimal color expected, found Color State List for " + resource;
+                } else {
+                    message = e.getMessage();
+                }
+                Bridge.getLog().error(LayoutLog.TAG_RESOURCES_FORMAT, message, e, null);
                 return 0;
             }
         }
diff --git a/tools/layoutlib/bridge/src/android/graphics/BlendComposite.java b/tools/layoutlib/bridge/src/android/graphics/BlendComposite.java
index a3ec2cc..b9928fc 100644
--- a/tools/layoutlib/bridge/src/android/graphics/BlendComposite.java
+++ b/tools/layoutlib/bridge/src/android/graphics/BlendComposite.java
@@ -29,75 +29,38 @@
  * The class is adapted from a demo tool for Blending Modes written by
  * Romain Guy (romainguy@android.com). The tool is available at
  * http://www.curious-creature.org/2006/09/20/new-blendings-modes-for-java2d/
+ *
+ * This class has been adapted for applying color filters. When applying color filters, the src
+ * image should not extend beyond the dest image, but in our implementation of the filters, it does.
+ * To compensate for the effect, we recompute the alpha value of the src image before applying
+ * the color filter as it should have been applied.
  */
 public final class BlendComposite implements Composite {
     public enum BlendingMode {
-        NORMAL,
-        AVERAGE,
-        MULTIPLY,
-        SCREEN,
-        DARKEN,
-        LIGHTEN,
-        OVERLAY,
-        HARD_LIGHT,
-        SOFT_LIGHT,
-        DIFFERENCE,
-        NEGATION,
-        EXCLUSION,
-        COLOR_DODGE,
-        INVERSE_COLOR_DODGE,
-        SOFT_DODGE,
-        COLOR_BURN,
-        INVERSE_COLOR_BURN,
-        SOFT_BURN,
-        REFLECT,
-        GLOW,
-        FREEZE,
-        HEAT,
-        ADD,
-        SUBTRACT,
-        STAMP,
-        RED,
-        GREEN,
-        BLUE,
-        HUE,
-        SATURATION,
-        COLOR,
-        LUMINOSITY
+        MULTIPLY(Multiply),
+        SCREEN(Screen),
+        DARKEN(Darken),
+        LIGHTEN(Lighten),
+        OVERLAY(Overlay),
+        ADD(Add);
+
+        private BlendComposite mComposite;
+
+        BlendingMode(BlendComposite composite) {
+            mComposite = composite;
+        }
+
+        BlendComposite getBlendComposite() {
+            return mComposite;
+        }
     }
 
-    public static final BlendComposite Normal = new BlendComposite(BlendingMode.NORMAL);
-    public static final BlendComposite Average = new BlendComposite(BlendingMode.AVERAGE);
     public static final BlendComposite Multiply = new BlendComposite(BlendingMode.MULTIPLY);
     public static final BlendComposite Screen = new BlendComposite(BlendingMode.SCREEN);
     public static final BlendComposite Darken = new BlendComposite(BlendingMode.DARKEN);
     public static final BlendComposite Lighten = new BlendComposite(BlendingMode.LIGHTEN);
     public static final BlendComposite Overlay = new BlendComposite(BlendingMode.OVERLAY);
-    public static final BlendComposite HardLight = new BlendComposite(BlendingMode.HARD_LIGHT);
-    public static final BlendComposite SoftLight = new BlendComposite(BlendingMode.SOFT_LIGHT);
-    public static final BlendComposite Difference = new BlendComposite(BlendingMode.DIFFERENCE);
-    public static final BlendComposite Negation = new BlendComposite(BlendingMode.NEGATION);
-    public static final BlendComposite Exclusion = new BlendComposite(BlendingMode.EXCLUSION);
-    public static final BlendComposite ColorDodge = new BlendComposite(BlendingMode.COLOR_DODGE);
-    public static final BlendComposite InverseColorDodge = new BlendComposite(BlendingMode.INVERSE_COLOR_DODGE);
-    public static final BlendComposite SoftDodge = new BlendComposite(BlendingMode.SOFT_DODGE);
-    public static final BlendComposite ColorBurn = new BlendComposite(BlendingMode.COLOR_BURN);
-    public static final BlendComposite InverseColorBurn = new BlendComposite(BlendingMode.INVERSE_COLOR_BURN);
-    public static final BlendComposite SoftBurn = new BlendComposite(BlendingMode.SOFT_BURN);
-    public static final BlendComposite Reflect = new BlendComposite(BlendingMode.REFLECT);
-    public static final BlendComposite Glow = new BlendComposite(BlendingMode.GLOW);
-    public static final BlendComposite Freeze = new BlendComposite(BlendingMode.FREEZE);
-    public static final BlendComposite Heat = new BlendComposite(BlendingMode.HEAT);
     public static final BlendComposite Add = new BlendComposite(BlendingMode.ADD);
-    public static final BlendComposite Subtract = new BlendComposite(BlendingMode.SUBTRACT);
-    public static final BlendComposite Stamp = new BlendComposite(BlendingMode.STAMP);
-    public static final BlendComposite Red = new BlendComposite(BlendingMode.RED);
-    public static final BlendComposite Green = new BlendComposite(BlendingMode.GREEN);
-    public static final BlendComposite Blue = new BlendComposite(BlendingMode.BLUE);
-    public static final BlendComposite Hue = new BlendComposite(BlendingMode.HUE);
-    public static final BlendComposite Saturation = new BlendComposite(BlendingMode.SATURATION);
-    public static final BlendComposite Color = new BlendComposite(BlendingMode.COLOR);
-    public static final BlendComposite Luminosity = new BlendComposite(BlendingMode.LUMINOSITY);
 
     private float alpha;
     private BlendingMode mode;
@@ -112,21 +75,16 @@
     }
 
     public static BlendComposite getInstance(BlendingMode mode) {
-        return new BlendComposite(mode);
+        return mode.getBlendComposite();
     }
 
     public static BlendComposite getInstance(BlendingMode mode, float alpha) {
+        if (alpha > 0.9999f) {
+            return getInstance(mode);
+        }
         return new BlendComposite(mode, alpha);
     }
 
-    public BlendComposite derive(BlendingMode mode) {
-        return this.mode == mode ? this : new BlendComposite(mode, getAlpha());
-    }
-
-    public BlendComposite derive(float alpha) {
-        return this.alpha == alpha ? this : new BlendComposite(getMode(), alpha);
-    }
-
     public float getAlpha() {
         return alpha;
     }
@@ -157,11 +115,7 @@
 
         BlendComposite bc = (BlendComposite) obj;
 
-        if (mode != bc.mode) {
-            return false;
-        }
-
-        return alpha == bc.alpha;
+        return mode == bc.mode && alpha == bc.alpha;
     }
 
     public CompositeContext createContext(ColorModel srcColorModel,
@@ -220,6 +174,11 @@
                         dstPixel[2] = (pixel      ) & 0xFF;
                         dstPixel[3] = (pixel >> 24) & 0xFF;
 
+                        // ---- Modified from original ----
+                        // recompute src pixel for transparency.
+                        srcPixel[3] *= dstPixel[3] / 0xFF;
+                        // ---- Modification ends ----
+
                         result = blender.blend(srcPixel, dstPixel, result);
 
                         // mixes the result with the opacity
@@ -246,123 +205,8 @@
     private static abstract class Blender {
         public abstract int[] blend(int[] src, int[] dst, int[] result);
 
-        private static void RGBtoHSL(int r, int g, int b, float[] hsl) {
-            float var_R = (r / 255f);
-            float var_G = (g / 255f);
-            float var_B = (b / 255f);
-
-            float var_Min;
-            float var_Max;
-            float del_Max;
-
-            if (var_R > var_G) {
-                var_Min = var_G;
-                var_Max = var_R;
-            } else {
-                var_Min = var_R;
-                var_Max = var_G;
-            }
-            if (var_B > var_Max) {
-                var_Max = var_B;
-            }
-            if (var_B < var_Min) {
-                var_Min = var_B;
-            }
-
-            del_Max = var_Max - var_Min;
-
-            float H, S, L;
-            L = (var_Max + var_Min) / 2f;
-
-            if (del_Max - 0.01f <= 0.0f) {
-                H = 0;
-                S = 0;
-            } else {
-                if (L < 0.5f) {
-                    S = del_Max / (var_Max + var_Min);
-                } else {
-                    S = del_Max / (2 - var_Max - var_Min);
-                }
-
-                float del_R = (((var_Max - var_R) / 6f) + (del_Max / 2f)) / del_Max;
-                float del_G = (((var_Max - var_G) / 6f) + (del_Max / 2f)) / del_Max;
-                float del_B = (((var_Max - var_B) / 6f) + (del_Max / 2f)) / del_Max;
-
-                if (var_R == var_Max) {
-                    H = del_B - del_G;
-                } else if (var_G == var_Max) {
-                    H = (1 / 3f) + del_R - del_B;
-                } else {
-                    H = (2 / 3f) + del_G - del_R;
-                }
-                if (H < 0) {
-                    H += 1;
-                }
-                if (H > 1) {
-                    H -= 1;
-                }
-            }
-
-            hsl[0] = H;
-            hsl[1] = S;
-            hsl[2] = L;
-        }
-
-        private static void HSLtoRGB(float h, float s, float l, int[] rgb) {
-            int R, G, B;
-
-            if (s - 0.01f <= 0.0f) {
-                R = (int) (l * 255.0f);
-                G = (int) (l * 255.0f);
-                B = (int) (l * 255.0f);
-            } else {
-                float var_1, var_2;
-                if (l < 0.5f) {
-                    var_2 = l * (1 + s);
-                } else {
-                    var_2 = (l + s) - (s * l);
-                }
-                var_1 = 2 * l - var_2;
-
-                R = (int) (255.0f * hue2RGB(var_1, var_2, h + (1.0f / 3.0f)));
-                G = (int) (255.0f * hue2RGB(var_1, var_2, h));
-                B = (int) (255.0f * hue2RGB(var_1, var_2, h - (1.0f / 3.0f)));
-            }
-
-            rgb[0] = R;
-            rgb[1] = G;
-            rgb[2] = B;
-        }
-
-        private static float hue2RGB(float v1, float v2, float vH) {
-            if (vH < 0.0f) {
-                vH += 1.0f;
-            }
-            if (vH > 1.0f) {
-                vH -= 1.0f;
-            }
-            if ((6.0f * vH) < 1.0f) {
-                return (v1 + (v2 - v1) * 6.0f * vH);
-            }
-            if ((2.0f * vH) < 1.0f) {
-                return (v2);
-            }
-            if ((3.0f * vH) < 2.0f) {
-                return (v1 + (v2 - v1) * ((2.0f / 3.0f) - vH) * 6.0f);
-            }
-            return (v1);
-        }
-
         public static Blender getBlenderFor(BlendComposite composite) {
             switch (composite.getMode()) {
-                case NORMAL:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            System.arraycopy(src, 0, result, 0, 4);
-                            return result;
-                        }
-                    };
                 case ADD:
                     return new Blender() {
                         @Override
@@ -373,65 +217,6 @@
                             return result;
                         }
                     };
-                case AVERAGE:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            for (int i = 0; i < 3; i++) {
-                                result[i] = (src[i] + dst[i]) >> 1;
-                            }
-                            result[3] = Math.min(255, src[3] + dst[3]);
-                            return result;
-                        }
-                    };
-                case BLUE:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            System.arraycopy(dst, 0, result, 0, 3);
-                            result[3] = Math.min(255, src[3] + dst[3]);
-                            return result;
-                        }
-                    };
-                case COLOR:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            float[] srcHSL = new float[3];
-                            RGBtoHSL(src[0], src[1], src[2], srcHSL);
-                            float[] dstHSL = new float[3];
-                            RGBtoHSL(dst[0], dst[1], dst[2], dstHSL);
-
-                            HSLtoRGB(srcHSL[0], srcHSL[1], dstHSL[2], result);
-                            result[3] = Math.min(255, src[3] + dst[3]);
-
-                            return result;
-                        }
-                    };
-                case COLOR_BURN:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            for (int i = 0; i < 3; i++) {
-                                result[i] = src[i] == 0 ? 0 :
-                                    Math.max(0, 255 - (((255 - dst[i]) << 8) / src[i]));
-                            }
-                            result[3] = Math.min(255, src[3] + dst[3]);
-                            return result;
-                        }
-                    };
-                case COLOR_DODGE:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            for (int i = 0; i < 3; i++) {
-                                result[i] = src[i] == 255 ? 255 :
-                                    Math.min((dst[i] << 8) / (255 - src[i]), 255);
-                            }
-                            result[3] = Math.min(255, src[3] + dst[3]);
-                            return result;
-                        }
-                    };
                 case DARKEN:
                     return new Blender() {
                         @Override
@@ -443,136 +228,6 @@
                             return result;
                         }
                     };
-                case DIFFERENCE:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            for (int i = 0; i < 3; i++) {
-                                result[i] = dst[i] + src[i] - (dst[i] * src[i] >> 7);
-                            }
-                            result[3] = Math.min(255, src[3] + dst[3]);
-                            return result;
-                        }
-                    };
-                case EXCLUSION:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            for (int i = 0; i < 3; i++) {
-                                result[i] = dst[i] + src[i] - (dst[i] * src[i] >> 7);
-                            }
-                            result[3] = Math.min(255, src[3] + dst[3]);
-                            return result;
-                        }
-                    };
-                case FREEZE:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            for (int i = 0; i < 3; i++) {
-                                result[i] = src[i] == 0 ? 0 :
-                                    Math.max(0, 255 - (255 - dst[i]) * (255 - dst[i]) / src[i]);
-                            }
-                            result[3] = Math.min(255, src[3] + dst[3]);
-                            return result;
-                        }
-                    };
-                case GLOW:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            for (int i = 0; i < 3; i++) {
-                                result[i] = dst[i] == 255 ? 255 :
-                                    Math.min(255, src[i] * src[i] / (255 - dst[i]));
-                            }
-                            result[3] = Math.min(255, src[3] + dst[3]);
-                            return result;
-                        }
-                    };
-                case GREEN:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            return new int[] {
-                                dst[0],
-                                dst[1],
-                                src[2],
-                                Math.min(255, src[3] + dst[3])
-                            };
-                        }
-                    };
-                case HARD_LIGHT:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            return new int[] {
-                                src[0] < 128 ? dst[0] * src[0] >> 7 :
-                                    255 - ((255 - src[0]) * (255 - dst[0]) >> 7),
-                                src[1] < 128 ? dst[1] * src[1] >> 7 :
-                                    255 - ((255 - src[1]) * (255 - dst[1]) >> 7),
-                                src[2] < 128 ? dst[2] * src[2] >> 7 :
-                                    255 - ((255 - src[2]) * (255 - dst[2]) >> 7),
-                                Math.min(255, src[3] + dst[3])
-                            };
-                        }
-                    };
-                case HEAT:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            return new int[] {
-                                dst[0] == 0 ? 0 : Math.max(0, 255 - (255 - src[0]) * (255 - src[0]) / dst[0]),
-                                dst[1] == 0 ? 0 : Math.max(0, 255 - (255 - src[1]) * (255 - src[1]) / dst[1]),
-                                dst[2] == 0 ? 0 : Math.max(0, 255 - (255 - src[2]) * (255 - src[2]) / dst[2]),
-                                Math.min(255, src[3] + dst[3])
-                            };
-                        }
-                    };
-                case HUE:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            float[] srcHSL = new float[3];
-                            RGBtoHSL(src[0], src[1], src[2], srcHSL);
-                            float[] dstHSL = new float[3];
-                            RGBtoHSL(dst[0], dst[1], dst[2], dstHSL);
-
-                            HSLtoRGB(srcHSL[0], dstHSL[1], dstHSL[2], result);
-                            result[3] = Math.min(255, src[3] + dst[3]);
-
-                            return result;
-                        }
-                    };
-                case INVERSE_COLOR_BURN:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            return new int[] {
-                                dst[0] == 0 ? 0 :
-                                    Math.max(0, 255 - (((255 - src[0]) << 8) / dst[0])),
-                                dst[1] == 0 ? 0 :
-                                    Math.max(0, 255 - (((255 - src[1]) << 8) / dst[1])),
-                                dst[2] == 0 ? 0 :
-                                    Math.max(0, 255 - (((255 - src[2]) << 8) / dst[2])),
-                                Math.min(255, src[3] + dst[3])
-                            };
-                        }
-                    };
-                case INVERSE_COLOR_DODGE:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            return new int[] {
-                                dst[0] == 255 ? 255 :
-                                    Math.min((src[0] << 8) / (255 - dst[0]), 255),
-                                dst[1] == 255 ? 255 :
-                                    Math.min((src[1] << 8) / (255 - dst[1]), 255),
-                                dst[2] == 255 ? 255 :
-                                    Math.min((src[2] << 8) / (255 - dst[2]), 255),
-                                Math.min(255, src[3] + dst[3])
-                            };
-                        }
-                    };
                 case LIGHTEN:
                     return new Blender() {
                         @Override
@@ -584,21 +239,6 @@
                             return result;
                         }
                     };
-                case LUMINOSITY:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            float[] srcHSL = new float[3];
-                            RGBtoHSL(src[0], src[1], src[2], srcHSL);
-                            float[] dstHSL = new float[3];
-                            RGBtoHSL(dst[0], dst[1], dst[2], dstHSL);
-
-                            HSLtoRGB(dstHSL[0], dstHSL[1], srcHSL[2], result);
-                            result[3] = Math.min(255, src[3] + dst[3]);
-
-                            return result;
-                        }
-                    };
                 case MULTIPLY:
                     return new Blender() {
                         @Override
@@ -606,22 +246,10 @@
                             for (int i = 0; i < 3; i++) {
                                 result[i] = (src[i] * dst[i]) >> 8;
                             }
-                            result[3] = Math.min(255, src[3] + dst[3]);
+                            result[3] = Math.min(255, src[3] + dst[3] - (src[3] * dst[3]) / 255);
                             return result;
                         }
                     };
-                case NEGATION:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            return new int[] {
-                                255 - Math.abs(255 - dst[0] - src[0]),
-                                255 - Math.abs(255 - dst[1] - src[1]),
-                                255 - Math.abs(255 - dst[2] - src[2]),
-                                Math.min(255, src[3] + dst[3])
-                            };
-                        }
-                    };
                 case OVERLAY:
                     return new Blender() {
                         @Override
@@ -634,123 +262,15 @@
                             return result;
                         }
                     };
-                case RED:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            return new int[] {
-                                src[0],
-                                dst[1],
-                                dst[2],
-                                Math.min(255, src[3] + dst[3])
-                            };
-                        }
-                    };
-                case REFLECT:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            return new int[] {
-                                src[0] == 255 ? 255 : Math.min(255, dst[0] * dst[0] / (255 - src[0])),
-                                src[1] == 255 ? 255 : Math.min(255, dst[1] * dst[1] / (255 - src[1])),
-                                src[2] == 255 ? 255 : Math.min(255, dst[2] * dst[2] / (255 - src[2])),
-                                Math.min(255, src[3] + dst[3])
-                            };
-                        }
-                    };
-                case SATURATION:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            float[] srcHSL = new float[3];
-                            RGBtoHSL(src[0], src[1], src[2], srcHSL);
-                            float[] dstHSL = new float[3];
-                            RGBtoHSL(dst[0], dst[1], dst[2], dstHSL);
-
-                            HSLtoRGB(dstHSL[0], srcHSL[1], dstHSL[2], result);
-                            result[3] = Math.min(255, src[3] + dst[3]);
-
-                            return result;
-                        }
-                    };
                 case SCREEN:
                     return new Blender() {
                         @Override
                         public int[] blend(int[] src, int[] dst, int[] result) {
-                            return new int[] {
-                                255 - ((255 - src[0]) * (255 - dst[0]) >> 8),
-                                255 - ((255 - src[1]) * (255 - dst[1]) >> 8),
-                                255 - ((255 - src[2]) * (255 - dst[2]) >> 8),
-                                Math.min(255, src[3] + dst[3])
-                            };
-                        }
-                    };
-                case SOFT_BURN:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            return new int[] {
-                                dst[0] + src[0] < 256 ?
-	                                (dst[0] == 255 ? 255 :
-                                        Math.min(255, (src[0] << 7) / (255 - dst[0]))) :
-                                            Math.max(0, 255 - (((255 - dst[0]) << 7) / src[0])),
-                                dst[1] + src[1] < 256 ?
-	                                (dst[1] == 255 ? 255 :
-                                        Math.min(255, (src[1] << 7) / (255 - dst[1]))) :
-                                            Math.max(0, 255 - (((255 - dst[1]) << 7) / src[1])),
-                                dst[2] + src[2] < 256 ?
-	                                (dst[2] == 255 ? 255 :
-                                        Math.min(255, (src[2] << 7) / (255 - dst[2]))) :
-                                            Math.max(0, 255 - (((255 - dst[2]) << 7) / src[2])),
-                                Math.min(255, src[3] + dst[3])
-                            };
-                        }
-                    };
-                case SOFT_DODGE:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            return new int[] {
-                                dst[0] + src[0] < 256 ?
-                                    (src[0] == 255 ? 255 :
-                                        Math.min(255, (dst[0] << 7) / (255 - src[0]))) :
-                                            Math.max(0, 255 - (((255 - src[0]) << 7) / dst[0])),
-                                dst[1] + src[1] < 256 ?
-                                    (src[1] == 255 ? 255 :
-                                        Math.min(255, (dst[1] << 7) / (255 - src[1]))) :
-                                            Math.max(0, 255 - (((255 - src[1]) << 7) / dst[1])),
-                                dst[2] + src[2] < 256 ?
-                                    (src[2] == 255 ? 255 :
-                                        Math.min(255, (dst[2] << 7) / (255 - src[2]))) :
-                                            Math.max(0, 255 - (((255 - src[2]) << 7) / dst[2])),
-                                Math.min(255, src[3] + dst[3])
-                            };
-                        }
-                    };
-                case SOFT_LIGHT:
-                    break;
-                case STAMP:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            return new int[] {
-                                Math.max(0, Math.min(255, dst[0] + 2 * src[0] - 256)),
-                                Math.max(0, Math.min(255, dst[1] + 2 * src[1] - 256)),
-                                Math.max(0, Math.min(255, dst[2] + 2 * src[2] - 256)),
-                                Math.min(255, src[3] + dst[3])
-                            };
-                        }
-                    };
-                case SUBTRACT:
-                    return new Blender() {
-                        @Override
-                        public int[] blend(int[] src, int[] dst, int[] result) {
-                            return new int[] {
-                                Math.max(0, src[0] + dst[0] - 256),
-                                Math.max(0, src[1] + dst[1] - 256),
-                                Math.max(0, src[2] + dst[2] - 256),
-                                Math.min(255, src[3] + dst[3])
-                            };
+                            result[0] = 255 - ((255 - src[0]) * (255 - dst[0]) >> 8);
+                            result[1] = 255 - ((255 - src[1]) * (255 - dst[1]) >> 8);
+                            result[2] = 255 - ((255 - src[2]) * (255 - dst[2]) >> 8);
+                            result[3] = Math.min(255, src[3] + dst[3]);
+                            return result;
                         }
                     };
             }
diff --git a/tools/layoutlib/bridge/src/android/graphics/PorterDuffColorFilter_Delegate.java b/tools/layoutlib/bridge/src/android/graphics/PorterDuffColorFilter_Delegate.java
index 4ac376c..1ca94dc 100644
--- a/tools/layoutlib/bridge/src/android/graphics/PorterDuffColorFilter_Delegate.java
+++ b/tools/layoutlib/bridge/src/android/graphics/PorterDuffColorFilter_Delegate.java
@@ -103,7 +103,7 @@
     // For filtering the colors, the src image should contain the "color" only for pixel values
     // which are not transparent in the target image. But, we are using a simple rectangular image
     // completely filled with color. Hence some Composite rules do not apply as intended. However,
-    // in such cases, they can usually be mapped to some other mode, which produces an
+    // in such cases, they can usually be mapped to some other mode, which produces an approximately
     // equivalent result.
     private Mode getCompatibleMode(Mode mode) {
         Mode m = mode;
diff --git a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/bars/Config.java b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/bars/Config.java
index 82a5130..dde041b 100644
--- a/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/bars/Config.java
+++ b/tools/layoutlib/bridge/src/com/android/layoutlib/bridge/bars/Config.java
@@ -73,7 +73,7 @@
 
     public static String getTime(int platformVersion) {
         if (platformVersion == 0) {
-            return "5:00";
+            return "5:10";
         }
         if (platformVersion < GINGERBREAD) {
             return "2:20";
@@ -87,9 +87,12 @@
         if (platformVersion < KITKAT) {
             return "4:30";
         }
-        if (platformVersion <= KITKAT_WATCH) {
+        if (platformVersion < LOLLIPOP) {
             return "4:40";
         }
+        if (platformVersion < LOLLIPOP_MR1) {
+            return "5:00";
+        }
         // Should never happen.
         return "4:04";
     }