diff --git a/include/ui/Input.h b/include/ui/Input.h
index 3fa825f..b587e94 100644
--- a/include/ui/Input.h
+++ b/include/ui/Input.h
@@ -78,6 +78,11 @@
 
     POLICY_FLAG_RAW_MASK = 0x0000ffff,
 
+    /* These flags are set by the input dispatcher. */
+
+    // Indicates that the input event was injected.
+    POLICY_FLAG_INJECTED = 0x01000000,
+
     /* These flags are set by the input reader policy as it intercepts each event. */
 
     // Indicates that the screen was off when the event was received and the event
@@ -225,6 +230,8 @@
 
     inline int32_t getAction() const { return mAction; }
 
+    inline int32_t getFlags() const { return mFlags; }
+
     inline int32_t getEdgeFlags() const { return mEdgeFlags; }
 
     inline int32_t getMetaState() const { return mMetaState; }
@@ -343,6 +350,7 @@
             int32_t deviceId,
             int32_t source,
             int32_t action,
+            int32_t flags,
             int32_t edgeFlags,
             int32_t metaState,
             float xOffset,
@@ -370,6 +378,7 @@
 
 private:
     int32_t mAction;
+    int32_t mFlags;
     int32_t mEdgeFlags;
     int32_t mMetaState;
     float mXOffset;
diff --git a/include/ui/InputDispatcher.h b/include/ui/InputDispatcher.h
index aed4fa1..f00f2db 100644
--- a/include/ui/InputDispatcher.h
+++ b/include/ui/InputDispatcher.h
@@ -84,14 +84,22 @@
          * current event is delivered to this target or a timeout occurs. */
         FLAG_SYNC = 0x01,
 
-        /* This flag indicates that a MotionEvent with ACTION_DOWN falls outside of the area of
-         * this target and so should instead be delivered as an ACTION_OUTSIDE to this target. */
+        /* This flag indicates that a MotionEvent with AMOTION_EVENT_ACTION_DOWN falls outside
+         * of the area of this target and so should instead be delivered as an
+         * AMOTION_EVENT_ACTION_OUTSIDE to this target. */
         FLAG_OUTSIDE = 0x02,
 
         /* This flag indicates that a KeyEvent or MotionEvent is being canceled.
-         * In the case of a key event, it should be delivered with KeyEvent.FLAG_CANCELED set.
-         * In the case of a motion event, it should be delivered as MotionEvent.ACTION_CANCEL. */
-        FLAG_CANCEL = 0x04
+         * In the case of a key event, it should be delivered with flag
+         * AKEY_EVENT_FLAG_CANCELED set.
+         * In the case of a motion event, it should be delivered with action
+         * AMOTION_EVENT_ACTION_CANCEL instead. */
+        FLAG_CANCEL = 0x04,
+
+        /* This flag indicates that the target of a MotionEvent is partly or wholly
+         * obscured by another visible window above it.  The motion event should be
+         * delivered with flag AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED. */
+        FLAG_WINDOW_IS_OBSCURED = 0x08,
     };
 
     // The input channel to be targeted.
@@ -139,9 +147,12 @@
     /* Notifies the system that an input channel recovered from ANR. */
     virtual void notifyInputChannelRecoveredFromANR(const sp<InputChannel>& inputChannel) = 0;
 
-    /* Gets the key repeat timeout or -1 if automatic key repeating is disabled. */
+    /* Gets the key repeat initial timeout or -1 if automatic key repeating is disabled. */
     virtual nsecs_t getKeyRepeatTimeout() = 0;
 
+    /* Gets the key repeat inter-key delay. */
+    virtual nsecs_t getKeyRepeatDelay() = 0;
+
     /* Waits for key event input targets to become available.
      * If the event is being injected, injectorPid and injectorUid should specify the
      * process id and used id of the injecting application, otherwise they should both
@@ -193,7 +204,8 @@
             uint32_t policyFlags, int32_t action, int32_t flags, int32_t keyCode,
             int32_t scanCode, int32_t metaState, nsecs_t downTime) = 0;
     virtual void notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t source,
-            uint32_t policyFlags, int32_t action, int32_t metaState, int32_t edgeFlags,
+            uint32_t policyFlags, int32_t action, int32_t flags,
+            int32_t metaState, int32_t edgeFlags,
             uint32_t pointerCount, const int32_t* pointerIds, const PointerCoords* pointerCoords,
             float xPrecision, float yPrecision, nsecs_t downTime) = 0;
 
@@ -257,7 +269,8 @@
             uint32_t policyFlags, int32_t action, int32_t flags, int32_t keyCode,
             int32_t scanCode, int32_t metaState, nsecs_t downTime);
     virtual void notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t source,
-            uint32_t policyFlags, int32_t action, int32_t metaState, int32_t edgeFlags,
+            uint32_t policyFlags, int32_t action, int32_t flags,
+            int32_t metaState, int32_t edgeFlags,
             uint32_t pointerCount, const int32_t* pointerIds, const PointerCoords* pointerCoords,
             float xPrecision, float yPrecision, nsecs_t downTime);
 
@@ -327,6 +340,7 @@
         int32_t source;
         uint32_t policyFlags;
         int32_t action;
+        int32_t flags;
         int32_t metaState;
         int32_t edgeFlags;
         float xPrecision;
@@ -458,7 +472,8 @@
                 int32_t repeatCount, nsecs_t downTime);
         MotionEntry* obtainMotionEntry(nsecs_t eventTime,
                 int32_t deviceId, int32_t source, uint32_t policyFlags, int32_t action,
-                int32_t metaState, int32_t edgeFlags, float xPrecision, float yPrecision,
+                int32_t flags, int32_t metaState, int32_t edgeFlags,
+                float xPrecision, float yPrecision,
                 nsecs_t downTime, uint32_t pointerCount,
                 const int32_t* pointerIds, const PointerCoords* pointerCoords);
         DispatchEntry* obtainDispatchEntry(EventEntry* eventEntry);
diff --git a/include/ui/InputTransport.h b/include/ui/InputTransport.h
index 31ec701..82831e2 100644
--- a/include/ui/InputTransport.h
+++ b/include/ui/InputTransport.h
@@ -135,6 +135,7 @@
 
         struct {
             int32_t action;
+            int32_t flags;
             int32_t metaState;
             int32_t edgeFlags;
             nsecs_t downTime;
@@ -218,6 +219,7 @@
             int32_t deviceId,
             int32_t source,
             int32_t action,
+            int32_t flags,
             int32_t edgeFlags,
             int32_t metaState,
             float xOffset,
diff --git a/include/utils/PollLoop.h b/include/utils/PollLoop.h
index 81230e8..bc616eb 100644
--- a/include/utils/PollLoop.h
+++ b/include/utils/PollLoop.h
@@ -111,12 +111,18 @@
      * This method can be called on any thread.
      * This method may block briefly if it needs to wake the poll loop.
      */
-    void setCallback(int fd, int events, Callback callback, void* data = NULL);
+    void setCallback(int fd, int ident, int events, Callback callback, void* data = NULL);
 
     /**
+     * Convenience for above setCallback when ident is not used.  In this case
+     * the ident is set to POLL_CALLBACK.
+     */
+    void setCallback(int fd, int events, Callback callback, void* data = NULL);
+    
+    /**
      * Like setCallback(), but for the NDK callback function.
      */
-    void setLooperCallback(int fd, int events, ALooper_callbackFunc* callback,
+    void setLooperCallback(int fd, int ident, int events, ALooper_callbackFunc* callback,
             void* data);
     
     /**
@@ -153,11 +159,13 @@
     struct RequestedCallback {
         Callback callback;
         ALooper_callbackFunc* looperCallback;
+        int ident;
         void* data;
     };
 
     struct PendingCallback {
         int fd;
+        int ident;
         int events;
         Callback callback;
         ALooper_callbackFunc* looperCallback;
@@ -185,7 +193,7 @@
     void openWakePipe();
     void closeWakePipe();
 
-    void setCallbackCommon(int fd, int events, Callback callback,
+    void setCallbackCommon(int fd, int ident, int events, Callback callback,
             ALooper_callbackFunc* looperCallback, void* data);
     ssize_t getRequestIndexLocked(int fd);
     void wakeAndLock();
diff --git a/libs/gui/SensorEventQueue.cpp b/libs/gui/SensorEventQueue.cpp
index 3396f25..7eb6da5 100644
--- a/libs/gui/SensorEventQueue.cpp
+++ b/libs/gui/SensorEventQueue.cpp
@@ -86,7 +86,7 @@
     Mutex::Autolock _l(mLock);
     if (mPollLoop == 0) {
         mPollLoop = new PollLoop(true);
-        mPollLoop->setCallback(getFd(), POLLIN, NULL, NULL);
+        mPollLoop->setCallback(getFd(), getFd(), POLLIN, NULL, NULL);
     }
     return mPollLoop;
 }
diff --git a/libs/ui/Input.cpp b/libs/ui/Input.cpp
index 4973cd8..811edaf 100644
--- a/libs/ui/Input.cpp
+++ b/libs/ui/Input.cpp
@@ -129,6 +129,7 @@
         int32_t deviceId,
         int32_t source,
         int32_t action,
+        int32_t flags,
         int32_t edgeFlags,
         int32_t metaState,
         float xOffset,
@@ -142,6 +143,7 @@
         const PointerCoords* pointerCoords) {
     InputEvent::initialize(deviceId, source);
     mAction = action;
+    mFlags = flags;
     mEdgeFlags = edgeFlags;
     mMetaState = metaState;
     mXOffset = xOffset;
diff --git a/libs/ui/InputDispatcher.cpp b/libs/ui/InputDispatcher.cpp
index 886c785..df232d4 100644
--- a/libs/ui/InputDispatcher.cpp
+++ b/libs/ui/InputDispatcher.cpp
@@ -97,6 +97,7 @@
 
 void InputDispatcher::dispatchOnce() {
     nsecs_t keyRepeatTimeout = mPolicy->getKeyRepeatTimeout();
+    nsecs_t keyRepeatDelay = mPolicy->getKeyRepeatDelay();
 
     bool skipPoll = false;
     nsecs_t currentTime;
@@ -146,7 +147,7 @@
             if (mInboundQueue.isEmpty()) {
                 if (mKeyRepeatState.lastKeyEntry) {
                     if (currentTime >= mKeyRepeatState.nextRepeatTime) {
-                        processKeyRepeatLockedInterruptible(currentTime, keyRepeatTimeout);
+                        processKeyRepeatLockedInterruptible(currentTime, keyRepeatDelay);
                         skipPoll = true;
                     } else {
                         if (mKeyRepeatState.nextRepeatTime < nextWakeupTime) {
@@ -335,7 +336,7 @@
 }
 
 void InputDispatcher::processKeyRepeatLockedInterruptible(
-        nsecs_t currentTime, nsecs_t keyRepeatTimeout) {
+        nsecs_t currentTime, nsecs_t keyRepeatDelay) {
     KeyEntry* entry = mKeyRepeatState.lastKeyEntry;
 
     // Search the inbound queue for a key up corresponding to this device.
@@ -352,7 +353,7 @@
         }
     }
 
-    // Synthesize a key repeat after the repeat timeout expired.
+    // Synthesize a key repeat.
     // Reuse the repeated key entry if it is otherwise unreferenced.
     uint32_t policyFlags = entry->policyFlags & POLICY_FLAG_RAW_MASK;
     if (entry->refCount == 1) {
@@ -375,7 +376,7 @@
         entry->flags |= AKEY_EVENT_FLAG_LONG_PRESS;
     }
 
-    mKeyRepeatState.nextRepeatTime = currentTime + keyRepeatTimeout;
+    mKeyRepeatState.nextRepeatTime = currentTime + keyRepeatDelay;
 
 #if DEBUG_OUTBOUND_EVENT_DETAILS
     LOGD("processKeyRepeat - eventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, "
@@ -392,9 +393,11 @@
 void InputDispatcher::processMotionLockedInterruptible(
         nsecs_t currentTime, MotionEntry* entry) {
 #if DEBUG_OUTBOUND_EVENT_DETAILS
-    LOGD("processMotion - eventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, action=0x%x, "
+    LOGD("processMotion - eventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, "
+            "action=0x%x, flags=0x%x, "
             "metaState=0x%x, edgeFlags=0x%x, xPrecision=%f, yPrecision=%f, downTime=%lld",
-            entry->eventTime, entry->deviceId, entry->source, entry->policyFlags, entry->action,
+            entry->eventTime, entry->deviceId, entry->source, entry->policyFlags,
+            entry->action, entry->flags,
             entry->metaState, entry->edgeFlags, entry->xPrecision, entry->yPrecision,
             entry->downTime);
 
@@ -406,7 +409,7 @@
     }
     for (uint32_t i = 0; i < entry->pointerCount; i++) {
         LOGD("  Pointer %d: id=%d, x=%f, y=%f, pressure=%f, size=%f, "
-                "touchMajor=%f, touchMinor=%d, toolMajor=%f, toolMinor=%f, "
+                "touchMajor=%f, touchMinor=%f, toolMajor=%f, toolMinor=%f, "
                 "orientation=%f",
                 i, entry->pointerIds[i],
                 sample->pointerCoords[i].x, sample->pointerCoords[i].y,
@@ -465,7 +468,7 @@
     mCurrentInputTargetsValid = false;
     mLock.unlock();
 
-    mReusableMotionEvent.initialize(entry->deviceId, entry->source, entry->action,
+    mReusableMotionEvent.initialize(entry->deviceId, entry->source, entry->action, entry->flags,
             entry->edgeFlags, entry->metaState,
             0, 0, entry->xPrecision, entry->yPrecision,
             entry->downTime, entry->eventTime, entry->pointerCount, entry->pointerIds,
@@ -698,12 +701,16 @@
 
         // Apply target flags.
         int32_t action = motionEntry->action;
+        int32_t flags = motionEntry->flags;
         if (dispatchEntry->targetFlags & InputTarget::FLAG_OUTSIDE) {
             action = AMOTION_EVENT_ACTION_OUTSIDE;
         }
         if (dispatchEntry->targetFlags & InputTarget::FLAG_CANCEL) {
             action = AMOTION_EVENT_ACTION_CANCEL;
         }
+        if (dispatchEntry->targetFlags & InputTarget::FLAG_WINDOW_IS_OBSCURED) {
+            flags |= AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
+        }
 
         // If headMotionSample is non-NULL, then it points to the first new sample that we
         // were unable to dispatch during the previous cycle so we resume dispatching from
@@ -726,7 +733,7 @@
 
         // Publish the motion event and the first motion sample.
         status = connection->inputPublisher.publishMotionEvent(motionEntry->deviceId,
-                motionEntry->source, action, motionEntry->edgeFlags, motionEntry->metaState,
+                motionEntry->source, action, flags, motionEntry->edgeFlags, motionEntry->metaState,
                 xOffset, yOffset,
                 motionEntry->xPrecision, motionEntry->yPrecision,
                 motionEntry->downTime, firstMotionSample->eventTime,
@@ -1073,18 +1080,18 @@
 }
 
 void InputDispatcher::notifyMotion(nsecs_t eventTime, int32_t deviceId, int32_t source,
-        uint32_t policyFlags, int32_t action, int32_t metaState, int32_t edgeFlags,
+        uint32_t policyFlags, int32_t action, int32_t flags, int32_t metaState, int32_t edgeFlags,
         uint32_t pointerCount, const int32_t* pointerIds, const PointerCoords* pointerCoords,
         float xPrecision, float yPrecision, nsecs_t downTime) {
 #if DEBUG_INBOUND_EVENT_DETAILS
     LOGD("notifyMotion - eventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, "
-            "action=0x%x, metaState=0x%x, edgeFlags=0x%x, xPrecision=%f, yPrecision=%f, "
-            "downTime=%lld",
-            eventTime, deviceId, source, policyFlags, action, metaState, edgeFlags,
+            "action=0x%x, flags=0x%x, metaState=0x%x, edgeFlags=0x%x, "
+            "xPrecision=%f, yPrecision=%f, downTime=%lld",
+            eventTime, deviceId, source, policyFlags, action, flags, metaState, edgeFlags,
             xPrecision, yPrecision, downTime);
     for (uint32_t i = 0; i < pointerCount; i++) {
         LOGD("  Pointer %d: id=%d, x=%f, y=%f, pressure=%f, size=%f, "
-                "touchMajor=%f, touchMinor=%d, toolMajor=%f, toolMinor=%f, "
+                "touchMajor=%f, touchMinor=%f, toolMajor=%f, toolMinor=%f, "
                 "orientation=%f",
                 i, pointerIds[i], pointerCoords[i].x, pointerCoords[i].y,
                 pointerCoords[i].pressure, pointerCoords[i].size,
@@ -1209,7 +1216,7 @@
 
         // Just enqueue a new motion event.
         MotionEntry* newEntry = mAllocator.obtainMotionEntry(eventTime,
-                deviceId, source, policyFlags, action, metaState, edgeFlags,
+                deviceId, source, policyFlags, action, flags, metaState, edgeFlags,
                 xPrecision, yPrecision, downTime,
                 pointerCount, pointerIds, pointerCoords);
 
@@ -1359,7 +1366,7 @@
     switch (event->getType()) {
     case AINPUT_EVENT_TYPE_KEY: {
         const KeyEvent* keyEvent = static_cast<const KeyEvent*>(event);
-        uint32_t policyFlags = 0; // XXX consider adding a policy flag to track injected events
+        uint32_t policyFlags = POLICY_FLAG_INJECTED;
 
         KeyEntry* keyEntry = mAllocator.obtainKeyEntry(keyEvent->getEventTime(),
                 keyEvent->getDeviceId(), keyEvent->getSource(), policyFlags,
@@ -1371,7 +1378,7 @@
 
     case AINPUT_EVENT_TYPE_MOTION: {
         const MotionEvent* motionEvent = static_cast<const MotionEvent*>(event);
-        uint32_t policyFlags = 0; // XXX consider adding a policy flag to track injected events
+        uint32_t policyFlags = POLICY_FLAG_INJECTED;
 
         const nsecs_t* sampleEventTimes = motionEvent->getSampleEventTimes();
         const PointerCoords* samplePointerCoords = motionEvent->getSamplePointerCoords();
@@ -1379,7 +1386,8 @@
 
         MotionEntry* motionEntry = mAllocator.obtainMotionEntry(*sampleEventTimes,
                 motionEvent->getDeviceId(), motionEvent->getSource(), policyFlags,
-                motionEvent->getAction(), motionEvent->getMetaState(), motionEvent->getEdgeFlags(),
+                motionEvent->getAction(), motionEvent->getFlags(),
+                motionEvent->getMetaState(), motionEvent->getEdgeFlags(),
                 motionEvent->getXPrecision(), motionEvent->getYPrecision(),
                 motionEvent->getDownTime(), uint32_t(pointerCount),
                 motionEvent->getPointerIds(), samplePointerCoords);
@@ -1664,7 +1672,7 @@
 }
 
 InputDispatcher::MotionEntry* InputDispatcher::Allocator::obtainMotionEntry(nsecs_t eventTime,
-        int32_t deviceId, int32_t source, uint32_t policyFlags, int32_t action,
+        int32_t deviceId, int32_t source, uint32_t policyFlags, int32_t action, int32_t flags,
         int32_t metaState, int32_t edgeFlags, float xPrecision, float yPrecision,
         nsecs_t downTime, uint32_t pointerCount,
         const int32_t* pointerIds, const PointerCoords* pointerCoords) {
@@ -1676,6 +1684,7 @@
     entry->source = source;
     entry->policyFlags = policyFlags;
     entry->action = action;
+    entry->flags = flags;
     entry->metaState = metaState;
     entry->edgeFlags = edgeFlags;
     entry->xPrecision = xPrecision;
diff --git a/libs/ui/InputReader.cpp b/libs/ui/InputReader.cpp
index 8ffb48d..d57b38c 100644
--- a/libs/ui/InputReader.cpp
+++ b/libs/ui/InputReader.cpp
@@ -1153,7 +1153,7 @@
     int32_t pointerId = 0;
 
     getDispatcher()->notifyMotion(when, getDeviceId(), AINPUT_SOURCE_TRACKBALL, policyFlags,
-            motionEventAction, metaState, AMOTION_EVENT_EDGE_FLAG_NONE,
+            motionEventAction, 0, metaState, AMOTION_EVENT_EDGE_FLAG_NONE,
             1, & pointerId, pointerCoords, mXPrecision, mYPrecision, downTime);
 }
 
@@ -2324,7 +2324,7 @@
     } // release lock
 
     getDispatcher()->notifyMotion(when, getDeviceId(), AINPUT_SOURCE_TOUCHSCREEN, policyFlags,
-            motionEventAction, getContext()->getGlobalMetaState(), motionEventEdgeFlags,
+            motionEventAction, 0, getContext()->getGlobalMetaState(), motionEventEdgeFlags,
             pointerCount, pointerIds, pointerCoords,
             xPrecision, yPrecision, mDownTime);
 }
diff --git a/libs/ui/InputTransport.cpp b/libs/ui/InputTransport.cpp
index cf0f63e..4c402dc 100644
--- a/libs/ui/InputTransport.cpp
+++ b/libs/ui/InputTransport.cpp
@@ -318,8 +318,8 @@
         nsecs_t downTime,
         nsecs_t eventTime) {
 #if DEBUG_TRANSPORT_ACTIONS
-    LOGD("channel '%s' publisher ~ publishKeyEvent: deviceId=%d, source=%d, "
-            "action=%d, flags=%d, keyCode=%d, scanCode=%d, metaState=%d, repeatCount=%d,"
+    LOGD("channel '%s' publisher ~ publishKeyEvent: deviceId=%d, source=0x%x, "
+            "action=0x%x, flags=0x%x, keyCode=%d, scanCode=%d, metaState=0x%x, repeatCount=%d,"
             "downTime=%lld, eventTime=%lld",
             mChannel->getName().string(),
             deviceId, source, action, flags, keyCode, scanCode, metaState, repeatCount,
@@ -346,6 +346,7 @@
         int32_t deviceId,
         int32_t source,
         int32_t action,
+        int32_t flags,
         int32_t edgeFlags,
         int32_t metaState,
         float xOffset,
@@ -358,12 +359,12 @@
         const int32_t* pointerIds,
         const PointerCoords* pointerCoords) {
 #if DEBUG_TRANSPORT_ACTIONS
-    LOGD("channel '%s' publisher ~ publishMotionEvent: deviceId=%d, source=%d, "
-            "action=%d, edgeFlags=%d, metaState=%d, xOffset=%f, yOffset=%f, "
+    LOGD("channel '%s' publisher ~ publishMotionEvent: deviceId=%d, source=0x%x, "
+            "action=0x%x, flags=0x%x, edgeFlags=0x%x, metaState=0x%x, xOffset=%f, yOffset=%f, "
             "xPrecision=%f, yPrecision=%f, downTime=%lld, eventTime=%lld, "
             "pointerCount=%d",
             mChannel->getName().string(),
-            deviceId, source, action, edgeFlags, metaState, xOffset, yOffset,
+            deviceId, source, action, flags, edgeFlags, metaState, xOffset, yOffset,
             xPrecision, yPrecision, downTime, eventTime, pointerCount);
 #endif
 
@@ -379,6 +380,7 @@
     }
 
     mSharedMessage->motion.action = action;
+    mSharedMessage->motion.flags = flags;
     mSharedMessage->motion.edgeFlags = edgeFlags;
     mSharedMessage->motion.metaState = metaState;
     mSharedMessage->motion.xOffset = xOffset;
@@ -664,6 +666,7 @@
             mSharedMessage->deviceId,
             mSharedMessage->source,
             mSharedMessage->motion.action,
+            mSharedMessage->motion.flags,
             mSharedMessage->motion.edgeFlags,
             mSharedMessage->motion.metaState,
             mSharedMessage->motion.xOffset,
diff --git a/libs/ui/tests/InputPublisherAndConsumer_test.cpp b/libs/ui/tests/InputPublisherAndConsumer_test.cpp
index 3bc21fa..952b974 100644
--- a/libs/ui/tests/InputPublisherAndConsumer_test.cpp
+++ b/libs/ui/tests/InputPublisherAndConsumer_test.cpp
@@ -138,6 +138,7 @@
     const int32_t deviceId = 1;
     const int32_t source = AINPUT_SOURCE_TOUCHSCREEN;
     const int32_t action = AMOTION_EVENT_ACTION_MOVE;
+    const int32_t flags = AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED;
     const int32_t edgeFlags = AMOTION_EVENT_EDGE_FLAG_TOP;
     const int32_t metaState = AMETA_ALT_LEFT_ON | AMETA_ALT_ON;
     const float xOffset = -10;
@@ -167,7 +168,7 @@
         }
     }
 
-    status = mPublisher->publishMotionEvent(deviceId, source, action, edgeFlags,
+    status = mPublisher->publishMotionEvent(deviceId, source, action, flags, edgeFlags,
             metaState, xOffset, yOffset, xPrecision, yPrecision,
             downTime, sampleEventTimes[0], pointerCount, pointerIds, samplePointerCoords.array());
     ASSERT_EQ(OK, status)
@@ -213,6 +214,7 @@
     EXPECT_EQ(deviceId, motionEvent->getDeviceId());
     EXPECT_EQ(source, motionEvent->getSource());
     EXPECT_EQ(action, motionEvent->getAction());
+    EXPECT_EQ(flags, motionEvent->getFlags());
     EXPECT_EQ(edgeFlags, motionEvent->getEdgeFlags());
     EXPECT_EQ(metaState, motionEvent->getMetaState());
     EXPECT_EQ(xPrecision, motionEvent->getXPrecision());
@@ -322,12 +324,12 @@
     int32_t pointerIds[pointerCount] = { 0 };
     PointerCoords pointerCoords[pointerCount] = { { 0, 0, 0, 0, 0, 0, 0, 0, 0 } };
 
-    status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
             pointerCount, pointerIds, pointerCoords);
     ASSERT_EQ(OK, status)
             << "publisher publishMotionEvent should return OK";
 
-    status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
             pointerCount, pointerIds, pointerCoords);
     ASSERT_EQ(INVALID_OPERATION, status)
             << "publisher publishMotionEvent should return INVALID_OPERATION because ";
@@ -342,7 +344,7 @@
     int32_t pointerIds[pointerCount];
     PointerCoords pointerCoords[pointerCount];
 
-    status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
             pointerCount, pointerIds, pointerCoords);
     ASSERT_EQ(BAD_VALUE, status)
             << "publisher publishMotionEvent should return BAD_VALUE";
@@ -356,7 +358,7 @@
     int32_t pointerIds[pointerCount];
     PointerCoords pointerCoords[pointerCount];
 
-    status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+    status = mPublisher->publishMotionEvent(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
             pointerCount, pointerIds, pointerCoords);
     ASSERT_EQ(BAD_VALUE, status)
             << "publisher publishMotionEvent should return BAD_VALUE";
@@ -402,7 +404,7 @@
     PointerCoords pointerCoords[pointerCount];
 
     status = mPublisher->publishMotionEvent(0, 0, AMOTION_EVENT_ACTION_DOWN,
-            0, 0, 0, 0, 0, 0, 0, 0, pointerCount, pointerIds, pointerCoords);
+            0, 0, 0, 0, 0, 0, 0, 0, 0, pointerCount, pointerIds, pointerCoords);
     ASSERT_EQ(OK, status);
 
     status = mPublisher->appendMotionSample(0, pointerCoords);
@@ -419,7 +421,7 @@
     PointerCoords pointerCoords[pointerCount];
 
     status = mPublisher->publishMotionEvent(0, 0, AMOTION_EVENT_ACTION_MOVE,
-            0, 0, 0, 0, 0, 0, 0, 0, pointerCount, pointerIds, pointerCoords);
+            0, 0, 0, 0, 0, 0, 0, 0, 0, pointerCount, pointerIds, pointerCoords);
     ASSERT_EQ(OK, status);
 
     status = mPublisher->sendDispatchSignal();
@@ -446,7 +448,7 @@
     PointerCoords pointerCoords[pointerCount];
 
     status = mPublisher->publishMotionEvent(0, 0, AMOTION_EVENT_ACTION_MOVE,
-            0, 0, 0, 0, 0, 0, 0, 0, pointerCount, pointerIds, pointerCoords);
+            0, 0, 0, 0, 0, 0, 0, 0, 0, pointerCount, pointerIds, pointerCoords);
     ASSERT_EQ(OK, status);
 
     for (int count = 1;; count++) {
diff --git a/libs/utils/PollLoop.cpp b/libs/utils/PollLoop.cpp
index f740fa0..6d3eeee 100644
--- a/libs/utils/PollLoop.cpp
+++ b/libs/utils/PollLoop.cpp
@@ -95,6 +95,7 @@
     RequestedCallback requestedCallback;
     requestedCallback.callback = NULL;
     requestedCallback.looperCallback = NULL;
+    requestedCallback.ident = 0;
     requestedCallback.data = NULL;
     mRequestedCallbacks.insertAt(requestedCallback, 0);
 }
@@ -116,7 +117,7 @@
         mPendingFdsPos++;
         if (outEvents != NULL) *outEvents = pending.events;
         if (outData != NULL) *outData = pending.data;
-        return pending.fd;
+        return pending.ident;
     }
     
     mLock.lock();
@@ -182,6 +183,7 @@
             const RequestedCallback& requestedCallback = mRequestedCallbacks.itemAt(i);
             PendingCallback pending;
             pending.fd = requestedFd.fd;
+            pending.ident = requestedCallback.ident;
             pending.events = revents;
             pending.callback = requestedCallback.callback;
             pending.looperCallback = requestedCallback.looperCallback;
@@ -191,7 +193,7 @@
                 mPendingCallbacks.push(pending);
             } else if (pending.fd != mWakeReadPipeFd) {
                 if (result == POLL_CALLBACK) {
-                    result = pending.fd;
+                    result = pending.ident;
                     if (outEvents != NULL) *outEvents = pending.events;
                     if (outData != NULL) *outData = pending.data;
                 } else {
@@ -268,16 +270,20 @@
     return mAllowNonCallbacks;
 }
 
+void PollLoop::setCallback(int fd, int ident, int events, Callback callback, void* data) {
+    setCallbackCommon(fd, ident, events, callback, NULL, data);
+}
+
 void PollLoop::setCallback(int fd, int events, Callback callback, void* data) {
-    setCallbackCommon(fd, events, callback, NULL, data);
+    setCallbackCommon(fd, POLL_CALLBACK, events, callback, NULL, data);
 }
 
-void PollLoop::setLooperCallback(int fd, int events, ALooper_callbackFunc* callback,
+void PollLoop::setLooperCallback(int fd, int ident, int events, ALooper_callbackFunc* callback,
         void* data) {
-    setCallbackCommon(fd, events, NULL, callback, data);
+    setCallbackCommon(fd, ident, events, NULL, callback, data);
 }
 
-void PollLoop::setCallbackCommon(int fd, int events, Callback callback,
+void PollLoop::setCallbackCommon(int fd, int ident, int events, Callback callback,
         ALooper_callbackFunc* looperCallback, void* data) {
 
 #if DEBUG_CALLBACKS
@@ -305,6 +311,7 @@
     RequestedCallback requestedCallback;
     requestedCallback.callback = callback;
     requestedCallback.looperCallback = looperCallback;
+    requestedCallback.ident = ident;
     requestedCallback.data = data;
 
     ssize_t index = getRequestIndexLocked(fd);
diff --git a/libs/utils/Threads.cpp b/libs/utils/Threads.cpp
index 2b1f490..e5ece8e 100644
--- a/libs/utils/Threads.cpp
+++ b/libs/utils/Threads.cpp
@@ -21,6 +21,7 @@
 #include <utils/Log.h>
 
 #include <cutils/sched_policy.h>
+#include <cutils/properties.h>
 
 #include <stdio.h>
 #include <stdlib.h>
@@ -57,7 +58,7 @@
 // ----------------------------------------------------------------------------
 
 /*
- * Create and run a new thead.
+ * Create and run a new thread.
  *
  * We create it "detached", so it cleans up after itself.
  */
@@ -280,6 +281,22 @@
 #endif
 }
 
+#if defined(HAVE_PTHREADS)
+static pthread_once_t gDoSchedulingGroupOnce = PTHREAD_ONCE_INIT;
+static bool gDoSchedulingGroup = true;
+
+static void checkDoSchedulingGroup(void) {
+    char buf[PROPERTY_VALUE_MAX];
+    int len = property_get("debug.sys.noschedgroups", buf, "");
+    if (len > 0) {
+        int temp;
+        if (sscanf(buf, "%d", &temp) == 1) {
+            gDoSchedulingGroup = temp == 0;
+        }
+    }
+}
+#endif
+
 int androidSetThreadSchedulingGroup(pid_t tid, int grp)
 {
     if (grp > ANDROID_TGROUP_MAX || grp < 0) { 
@@ -287,9 +304,12 @@
     }
 
 #if defined(HAVE_PTHREADS)
-    if (set_sched_policy(tid, (grp == ANDROID_TGROUP_BG_NONINTERACT) ?
-                                      SP_BACKGROUND : SP_FOREGROUND)) {
-        return PERMISSION_DENIED;
+    pthread_once(&gDoSchedulingGroupOnce, checkDoSchedulingGroup);
+    if (gDoSchedulingGroup) {
+        if (set_sched_policy(tid, (grp == ANDROID_TGROUP_BG_NONINTERACT) ?
+                                          SP_BACKGROUND : SP_FOREGROUND)) {
+            return PERMISSION_DENIED;
+        }
     }
 #endif
     
@@ -303,10 +323,13 @@
 #if defined(HAVE_PTHREADS)
     int lasterr = 0;
 
-    if (pri >= ANDROID_PRIORITY_BACKGROUND) {
-        rc = set_sched_policy(tid, SP_BACKGROUND);
-    } else if (getpriority(PRIO_PROCESS, tid) >= ANDROID_PRIORITY_BACKGROUND) {
-        rc = set_sched_policy(tid, SP_FOREGROUND);
+    pthread_once(&gDoSchedulingGroupOnce, checkDoSchedulingGroup);
+    if (gDoSchedulingGroup) {
+        if (pri >= ANDROID_PRIORITY_BACKGROUND) {
+            rc = set_sched_policy(tid, SP_BACKGROUND);
+        } else if (getpriority(PRIO_PROCESS, tid) >= ANDROID_PRIORITY_BACKGROUND) {
+            rc = set_sched_policy(tid, SP_FOREGROUND);
+        }
     }
 
     if (rc) {
diff --git a/libs/utils/ZipFileRO.cpp b/libs/utils/ZipFileRO.cpp
index a0e01c6..2d53136 100644
--- a/libs/utils/ZipFileRO.cpp
+++ b/libs/utils/ZipFileRO.cpp
@@ -636,7 +636,7 @@
         memcpy(buffer, ptr, uncompLen);
     } else {
         if (!inflateBuffer(buffer, ptr, uncompLen, compLen))
-            goto unmap;
+            goto bail;
     }
 
     if (compLen > kSequentialMin)
@@ -644,8 +644,6 @@
 
     result = true;
 
-unmap:
-    file->release();
 bail:
     return result;
 }
@@ -669,7 +667,7 @@
 
     getEntryInfo(entry, &method, &uncompLen, &compLen, &offset, NULL, NULL);
 
-    FileMap* file = createEntryFileMap(entry);
+    const FileMap* file = createEntryFileMap(entry);
     if (file == NULL) {
         goto bail;
     }
@@ -680,23 +678,21 @@
         ssize_t actual = write(fd, ptr, uncompLen);
         if (actual < 0) {
             LOGE("Write failed: %s\n", strerror(errno));
-            goto unmap;
+            goto bail;
         } else if ((size_t) actual != uncompLen) {
             LOGE("Partial write during uncompress (%zd of %zd)\n",
                 (size_t)actual, (size_t)uncompLen);
-            goto unmap;
+            goto bail;
         } else {
             LOGI("+++ successful write\n");
         }
     } else {
         if (!inflateBuffer(fd, ptr, uncompLen, compLen))
-            goto unmap;
+            goto bail;
     }
 
     result = true;
 
-unmap:
-    file->release();
 bail:
     return result;
 }