diff --git a/include/ui/EventHub.h b/include/ui/EventHub.h
index 6c798a6..6c6c297 100644
--- a/include/ui/EventHub.h
+++ b/include/ui/EventHub.h
@@ -18,8 +18,11 @@
 #ifndef _RUNTIME_EVENT_HUB_H
 #define _RUNTIME_EVENT_HUB_H
 
-#include <android/input.h>
+#include <ui/Input.h>
 #include <ui/Keyboard.h>
+#include <ui/KeyLayoutMap.h>
+#include <ui/KeyCharacterMap.h>
+#include <ui/VirtualKeyMap.h>
 #include <utils/String8.h>
 #include <utils/threads.h>
 #include <utils/Log.h>
@@ -27,6 +30,7 @@
 #include <utils/List.h>
 #include <utils/Errors.h>
 #include <utils/PropertyMap.h>
+#include <utils/Vector.h>
 
 #include <linux/input.h>
 
@@ -59,8 +63,6 @@
 
 namespace android {
 
-class KeyLayoutMap;
-
 /*
  * A raw event as retrieved from the EventHub.
  */
@@ -194,6 +196,9 @@
     virtual bool hasLed(int32_t deviceId, int32_t led) const = 0;
     virtual void setLedState(int32_t deviceId, int32_t led, bool on) = 0;
 
+    virtual void getVirtualKeyDefinitions(int32_t deviceId,
+            Vector<VirtualKeyDefinition>& outVirtualKeys) const = 0;
+
     virtual void dump(String8& dump) = 0;
 };
 
@@ -230,6 +235,9 @@
     virtual bool hasLed(int32_t deviceId, int32_t led) const;
     virtual void setLedState(int32_t deviceId, int32_t led, bool on);
 
+    virtual void getVirtualKeyDefinitions(int32_t deviceId,
+            Vector<VirtualKeyDefinition>& outVirtualKeys) const;
+
     virtual void dump(String8& dump);
 
 protected:
@@ -238,78 +246,80 @@
 private:
     bool openPlatformInput(void);
 
-    int openDevice(const char *device);
-    int closeDevice(const char *device);
+    int openDevice(const char *devicePath);
+    int closeDevice(const char *devicePath);
     int scanDir(const char *dirname);
     int readNotify(int nfd);
 
     status_t mError;
 
-    struct device_t {
-        const int32_t   id;
-        const String8   path;
-        String8         name;
-        uint32_t        classes;
-        uint8_t*        keyBitmask;
-        KeyLayoutMap*   layoutMap;
-        String8         configurationFile;
-        PropertyMap*    configuration;
-        KeyMapInfo      keyMapInfo;
-        int             fd;
-        device_t*       next;
-        
-        device_t(int32_t _id, const char* _path, const char* name);
-        ~device_t();
+    struct Device {
+        Device* next;
+
+        int fd;
+        const int32_t id;
+        const String8 path;
+        const InputDeviceIdentifier identifier;
+
+        uint32_t classes;
+        uint8_t* keyBitmask;
+        String8 configurationFile;
+        PropertyMap* configuration;
+        VirtualKeyMap* virtualKeyMap;
+        KeyMap keyMap;
+
+        Device(int fd, int32_t id, const String8& path, const InputDeviceIdentifier& identifier);
+        ~Device();
+
+        void close();
     };
 
-    device_t* getDeviceLocked(int32_t deviceId) const;
-    bool hasKeycodeLocked(device_t* device, int keycode) const;
+    Device* getDeviceLocked(int32_t deviceId) const;
+    bool hasKeycodeLocked(Device* device, int keycode) const;
 
-    int32_t getScanCodeStateLocked(device_t* device, int32_t scanCode) const;
-    int32_t getKeyCodeStateLocked(device_t* device, int32_t keyCode) const;
-    int32_t getSwitchStateLocked(device_t* device, int32_t sw) const;
-    bool markSupportedKeyCodesLocked(device_t* device, size_t numCodes,
+    int32_t getScanCodeStateLocked(Device* device, int32_t scanCode) const;
+    int32_t getKeyCodeStateLocked(Device* device, int32_t keyCode) const;
+    int32_t getSwitchStateLocked(Device* device, int32_t sw) const;
+    bool markSupportedKeyCodesLocked(Device* device, size_t numCodes,
             const int32_t* keyCodes, uint8_t* outFlags) const;
 
-    void loadConfiguration(device_t* device);
-    void configureKeyMap(device_t* device);
-    void setKeyboardProperties(device_t* device, bool firstKeyboard);
-    void clearKeyboardProperties(device_t* device, bool firstKeyboard);
+    void loadConfiguration(Device* device);
+    status_t loadVirtualKeyMap(Device* device);
+    status_t loadKeyMap(Device* device);
+    void setKeyboardProperties(Device* device, bool builtInKeyboard);
+    void clearKeyboardProperties(Device* device, bool builtInKeyboard);
 
     // Protect all internal state.
-    mutable Mutex   mLock;
-    
-    bool            mHaveFirstKeyboard;
-    int32_t         mFirstKeyboardId; // the API is that the built-in keyboard is id 0, so map it
-    
-    struct device_ent {
-        device_t* device;
-        uint32_t seq;
-    };
-    device_ent      *mDevicesById;
-    int             mNumDevicesById;
-    
-    device_t        *mOpeningDevices;
-    device_t        *mClosingDevices;
-    
-    device_t        **mDevices;
-    struct pollfd   *mFDs;
-    int             mFDCount;
+    mutable Mutex mLock;
 
-    bool            mOpened;
-    bool            mNeedToSendFinishedDeviceScan;
-    List<String8>   mExcludedDevices;
+    // The actual id of the built-in keyboard, or -1 if none.
+    // EventHub remaps the built-in keyboard to id 0 externally as required by the API.
+    int32_t mBuiltInKeyboardId;
+
+    int32_t mNextDeviceId;
+
+    // Parallel arrays of fds and devices.
+    // First index is reserved for inotify.
+    Vector<struct pollfd> mFds;
+    Vector<Device*> mDevices;
+
+    Device *mOpeningDevices;
+    Device *mClosingDevices;
+
+    bool mOpened;
+    bool mNeedToSendFinishedDeviceScan;
+    List<String8> mExcludedDevices;
 
     // device ids that report particular switches.
 #ifdef EV_SW
-    int32_t         mSwitches[SW_MAX + 1];
+    int32_t mSwitches[SW_MAX + 1];
 #endif
 
     static const int INPUT_BUFFER_SIZE = 64;
     struct input_event mInputBufferData[INPUT_BUFFER_SIZE];
-    int32_t mInputBufferIndex;
-    int32_t mInputBufferCount;
-    int32_t mInputDeviceIndex;
+    size_t mInputBufferIndex;
+    size_t mInputBufferCount;
+    size_t mInputFdIndex;
 };
 
 }; // namespace android
diff --git a/include/ui/Input.h b/include/ui/Input.h
index 4dc8f2a..27f65bc 100644
--- a/include/ui/Input.h
+++ b/include/ui/Input.h
@@ -497,6 +497,23 @@
     KeyedVector<int32_t, MotionRange> mMotionRanges;
 };
 
+/*
+ * Identifies a device.
+ */
+struct InputDeviceIdentifier {
+    inline InputDeviceIdentifier() :
+            bus(0), vendor(0), product(0), version(0) {
+    }
+
+    String8 name;
+    String8 location;
+    String8 uniqueId;
+    uint16_t bus;
+    uint16_t vendor;
+    uint16_t product;
+    uint16_t version;
+};
+
 /* Types of input device configuration files. */
 enum InputDeviceConfigurationFileType {
     INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION = 0,     /* .idc file */
@@ -505,13 +522,28 @@
 };
 
 /*
- * Get the path of an input device configuration file, if one is available.
- * Spaces in the name are replaced with underscores.
+ * Gets the path of an input device configuration file, if one is available.
  * Considers both system provided and user installed configuration files.
  *
+ * The device identifier is used to construct several default configuration file
+ * names to try based on the device name, vendor, product, and version.
+ *
  * Returns an empty string if not found.
  */
-extern String8 getInputDeviceConfigurationFilePath(
+extern String8 getInputDeviceConfigurationFilePathByDeviceIdentifier(
+        const InputDeviceIdentifier& deviceIdentifier,
+        InputDeviceConfigurationFileType type);
+
+/*
+ * Gets the path of an input device configuration file, if one is available.
+ * Considers both system provided and user installed configuration files.
+ *
+ * The name is case-sensitive and is used to construct the filename to resolve.
+ * All characters except 'a'-'z', 'A'-'Z', '0'-'9', '-', and '_' are replaced by underscores.
+ *
+ * Returns an empty string if not found.
+ */
+extern String8 getInputDeviceConfigurationFilePathByName(
         const String8& name, InputDeviceConfigurationFileType type);
 
 } // namespace android
diff --git a/include/ui/InputReader.h b/include/ui/InputReader.h
index cfceaab..8ec5421 100644
--- a/include/ui/InputReader.h
+++ b/include/ui/InputReader.h
@@ -35,17 +35,6 @@
 class InputDevice;
 class InputMapper;
 
-/* Describes a virtual key. */
-struct VirtualKeyDefinition {
-    int32_t scanCode;
-
-    // configured position data, specified in display coords
-    int32_t centerX;
-    int32_t centerY;
-    int32_t width;
-    int32_t height;
-};
-
 
 /*
  * Input reader policy interface.
@@ -86,10 +75,6 @@
      */
     virtual bool filterJumpyTouchEvents() = 0;
 
-    /* Gets the configured virtual key definitions for an input device. */
-    virtual void getVirtualKeyDefinitions(const String8& deviceName,
-            Vector<VirtualKeyDefinition>& outVirtualKeyDefinitions) = 0;
-
     /* Gets the excluded device names for the platform. */
     virtual void getExcludedDeviceNames(Vector<String8>& outExcludedDeviceNames) = 0;
 };
diff --git a/include/ui/Keyboard.h b/include/ui/Keyboard.h
index 689607d..50296e2 100644
--- a/include/ui/Keyboard.h
+++ b/include/ui/Keyboard.h
@@ -33,30 +33,58 @@
     DEVICE_ID_VIRTUAL_KEYBOARD = -1,
 };
 
-struct KeyMapInfo {
+class KeyLayoutMap;
+class KeyCharacterMap;
+
+/**
+ * Loads the key layout map and key character map for a keyboard device.
+ */
+class KeyMap {
+public:
     String8 keyLayoutFile;
+    KeyLayoutMap* keyLayoutMap;
+
     String8 keyCharacterMapFile;
-    bool isDefaultKeyMap;
+    KeyCharacterMap* keyCharacterMap;
 
-    KeyMapInfo() : isDefaultKeyMap(false) {
+    KeyMap();
+    ~KeyMap();
+
+    status_t load(const InputDeviceIdentifier& deviceIdenfier,
+            const PropertyMap* deviceConfiguration);
+
+    inline bool haveKeyLayout() const {
+        return !keyLayoutFile.isEmpty();
     }
 
-    bool isComplete() {
-        return !keyLayoutFile.isEmpty() && !keyCharacterMapFile.isEmpty();
+    inline bool haveKeyCharacterMap() const {
+        return !keyCharacterMapFile.isEmpty();
     }
+
+    inline bool isComplete() const {
+        return haveKeyLayout() && haveKeyCharacterMap();
+    }
+
+private:
+    bool probeKeyMap(const InputDeviceIdentifier& deviceIdentifier, const String8& name);
+    status_t loadKeyLayout(const InputDeviceIdentifier& deviceIdentifier, const String8& name);
+    status_t loadKeyCharacterMap(const InputDeviceIdentifier& deviceIdentifier,
+            const String8& name);
+    String8 getPath(const InputDeviceIdentifier& deviceIdentifier,
+            const String8& name, InputDeviceConfigurationFileType type);
 };
 
 /**
- * Resolves the key map to use for a particular keyboard device.
+ * Returns true if the keyboard is eligible for use as a built-in keyboard.
  */
-extern status_t resolveKeyMap(const String8& deviceName,
-        const PropertyMap* deviceConfiguration, KeyMapInfo& outKeyMapInfo);
+extern bool isEligibleBuiltInKeyboard(const InputDeviceIdentifier& deviceIdentifier,
+        const PropertyMap* deviceConfiguration, const KeyMap* keyMap);
 
 /**
  * Sets keyboard system properties.
  */
-extern void setKeyboardProperties(int32_t deviceId, const String8& deviceName,
-        const KeyMapInfo& keyMapInfo);
+extern void setKeyboardProperties(int32_t deviceId, const InputDeviceIdentifier& deviceIdentifier,
+        const String8& keyLayoutFile, const String8& keyCharacterMapFile);
 
 /**
  * Clears keyboard system properties.
diff --git a/include/ui/VirtualKeyMap.h b/include/ui/VirtualKeyMap.h
new file mode 100644
index 0000000..7813d9d
--- /dev/null
+++ b/include/ui/VirtualKeyMap.h
@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+#ifndef _UI_VIRTUAL_KEY_MAP_H
+#define _UI_VIRTUAL_KEY_MAP_H
+
+#include <stdint.h>
+
+#include <ui/Input.h>
+#include <utils/Errors.h>
+#include <utils/KeyedVector.h>
+#include <utils/Tokenizer.h>
+#include <utils/String8.h>
+#include <utils/Unicode.h>
+
+namespace android {
+
+/* Describes a virtual key. */
+struct VirtualKeyDefinition {
+    int32_t scanCode;
+
+    // configured position data, specified in display coords
+    int32_t centerX;
+    int32_t centerY;
+    int32_t width;
+    int32_t height;
+};
+
+
+/**
+ * Describes a collection of virtual keys on a touch screen in terms of
+ * virtual scan codes and hit rectangles.
+ */
+class VirtualKeyMap {
+public:
+    ~VirtualKeyMap();
+
+    static status_t load(const String8& filename, VirtualKeyMap** outMap);
+
+    inline const Vector<VirtualKeyDefinition>& getVirtualKeys() const {
+        return mVirtualKeys;
+    }
+
+private:
+    class Parser {
+        VirtualKeyMap* mMap;
+        Tokenizer* mTokenizer;
+
+    public:
+        Parser(VirtualKeyMap* map, Tokenizer* tokenizer);
+        ~Parser();
+        status_t parse();
+
+    private:
+        bool consumeFieldDelimiterAndSkipWhitespace();
+        bool parseNextIntField(int32_t* outValue);
+    };
+
+    Vector<VirtualKeyDefinition> mVirtualKeys;
+
+    VirtualKeyMap();
+};
+
+} // namespace android
+
+#endif // _UI_KEY_CHARACTER_MAP_H
diff --git a/include/utils/String8.h b/include/utils/String8.h
index 6abfb06..6b49ff5 100644
--- a/include/utils/String8.h
+++ b/include/utils/String8.h
@@ -47,7 +47,12 @@
     explicit                    String8(const char32_t* o);
     explicit                    String8(const char32_t* o, size_t numChars);
                                 ~String8();
-    
+
+    static inline const String8 empty();
+
+    static String8              format(const char* fmt, ...) __attribute__((format (printf, 1, 2)));
+    static String8              formatV(const char* fmt, va_list args);
+
     inline  const char*         string() const;
     inline  size_t              size() const;
     inline  size_t              length() const;
@@ -229,6 +234,10 @@
     return compare_type(lhs, rhs) < 0;
 }
 
+inline const String8 String8::empty() {
+    return String8();
+}
+
 inline const char* String8::string() const
 {
     return mString;
diff --git a/include/utils/Tokenizer.h b/include/utils/Tokenizer.h
index 21e58e6..c7db5fb 100644
--- a/include/utils/Tokenizer.h
+++ b/include/utils/Tokenizer.h
@@ -28,7 +28,7 @@
  * A simple tokenizer for loading and parsing ASCII text files line by line.
  */
 class Tokenizer {
-    Tokenizer(const String8& filename, FileMap* fileMap, const char* buffer, size_t length);
+    Tokenizer(const String8& filename, FileMap* fileMap, char* buffer, size_t length);
 
 public:
     ~Tokenizer();
@@ -110,7 +110,7 @@
 
     String8 mFilename;
     FileMap* mFileMap;
-    const char* mBuffer;
+    char* mBuffer;
     size_t mLength;
 
     const char* mCurrent;
diff --git a/libs/ui/Android.mk b/libs/ui/Android.mk
index 5948e04..d0e041a 100644
--- a/libs/ui/Android.mk
+++ b/libs/ui/Android.mk
@@ -21,6 +21,7 @@
 	Keyboard.cpp \
 	KeyLayoutMap.cpp \
 	KeyCharacterMap.cpp \
+	VirtualKeyMap.cpp
 
 # For the host
 # =====================================================
diff --git a/libs/ui/EventHub.cpp b/libs/ui/EventHub.cpp
index b312cda..8f4bac6 100644
--- a/libs/ui/EventHub.cpp
+++ b/libs/ui/EventHub.cpp
@@ -33,6 +33,8 @@
 #include <assert.h>
 
 #include <ui/KeyLayoutMap.h>
+#include <ui/KeyCharacterMap.h>
+#include <ui/VirtualKeyMap.h>
 
 #include <string.h>
 #include <stdint.h>
@@ -56,10 +58,6 @@
 /* this macro computes the number of bytes needed to represent a bit array of the specified size */
 #define sizeof_bit_array(bits)  ((bits + 7) / 8)
 
-#define ID_MASK  0x0000ffff
-#define SEQ_MASK 0x7fff0000
-#define SEQ_SHIFT 16
-
 #ifndef ABS_MT_TOUCH_MAJOR
 #define ABS_MT_TOUCH_MAJOR      0x30    /* Major axis of touching ellipse */
 #endif
@@ -72,6 +70,9 @@
 #define ABS_MT_POSITION_Y       0x36    /* Center Y ellipse position */
 #endif
 
+// Fd at index 0 is always reserved for inotify
+#define FIRST_ACTUAL_DEVICE_INDEX 1
+
 #define INDENT "  "
 #define INDENT2 "    "
 #define INDENT3 "      "
@@ -79,7 +80,7 @@
 namespace android {
 
 static const char *WAKE_LOCK_ID = "KeyEvents";
-static const char *device_path = "/dev/input";
+static const char *DEVICE_PATH = "/dev/input";
 
 /* return the larger integer */
 static inline int max(int v1, int v2)
@@ -91,63 +92,69 @@
     return value ? "true" : "false";
 }
 
-EventHub::device_t::device_t(int32_t _id, const char* _path, const char* name)
-    : id(_id), path(_path), name(name), classes(0)
-    , keyBitmask(NULL), layoutMap(NULL), configuration(NULL), fd(-1), next(NULL) {
+// --- EventHub::Device ---
+
+EventHub::Device::Device(int fd, int32_t id, const String8& path,
+        const InputDeviceIdentifier& identifier) :
+        next(NULL),
+        fd(fd), id(id), path(path), identifier(identifier),
+        classes(0), keyBitmask(NULL), configuration(NULL), virtualKeyMap(NULL) {
 }
 
-EventHub::device_t::~device_t() {
-    delete [] keyBitmask;
-    delete layoutMap;
+EventHub::Device::~Device() {
+    close();
+    delete[] keyBitmask;
     delete configuration;
+    delete virtualKeyMap;
 }
 
-EventHub::EventHub(void)
-    : mError(NO_INIT), mHaveFirstKeyboard(false), mFirstKeyboardId(-1)
-    , mDevicesById(0), mNumDevicesById(0)
-    , mOpeningDevices(0), mClosingDevices(0)
-    , mDevices(0), mFDs(0), mFDCount(0), mOpened(false), mNeedToSendFinishedDeviceScan(false)
-    , mInputBufferIndex(0), mInputBufferCount(0), mInputDeviceIndex(0)
-{
+void EventHub::Device::close() {
+    if (fd >= 0) {
+        ::close(fd);
+        fd = -1;
+    }
+}
+
+
+// --- EventHub ---
+
+EventHub::EventHub(void) :
+        mError(NO_INIT), mBuiltInKeyboardId(-1), mNextDeviceId(1),
+        mOpeningDevices(0), mClosingDevices(0),
+        mOpened(false), mNeedToSendFinishedDeviceScan(false),
+        mInputBufferIndex(0), mInputBufferCount(0), mInputFdIndex(0) {
     acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID);
 #ifdef EV_SW
     memset(mSwitches, 0, sizeof(mSwitches));
 #endif
 }
 
-/*
- * Clean up.
- */
-EventHub::~EventHub(void)
-{
+EventHub::~EventHub(void) {
     release_wake_lock(WAKE_LOCK_ID);
     // we should free stuff here...
 }
 
-status_t EventHub::errorCheck() const
-{
+status_t EventHub::errorCheck() const {
     return mError;
 }
 
-String8 EventHub::getDeviceName(int32_t deviceId) const
-{
+String8 EventHub::getDeviceName(int32_t deviceId) const {
     AutoMutex _l(mLock);
-    device_t* device = getDeviceLocked(deviceId);
+    Device* device = getDeviceLocked(deviceId);
     if (device == NULL) return String8();
-    return device->name;
+    return device->identifier.name;
 }
 
-uint32_t EventHub::getDeviceClasses(int32_t deviceId) const
-{
+uint32_t EventHub::getDeviceClasses(int32_t deviceId) const {
     AutoMutex _l(mLock);
-    device_t* device = getDeviceLocked(deviceId);
+    Device* device = getDeviceLocked(deviceId);
     if (device == NULL) return 0;
     return device->classes;
 }
 
 void EventHub::getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const {
     AutoMutex _l(mLock);
-    device_t* device = getDeviceLocked(deviceId);
+    Device* device = getDeviceLocked(deviceId);
     if (device && device->configuration) {
         *outConfiguration = *device->configuration;
     } else {
@@ -160,14 +167,14 @@
     outAxisInfo->clear();
 
     AutoMutex _l(mLock);
-    device_t* device = getDeviceLocked(deviceId);
+    Device* device = getDeviceLocked(deviceId);
     if (device == NULL) return -1;
 
     struct input_absinfo info;
 
     if(ioctl(device->fd, EVIOCGABS(axis), &info)) {
         LOGW("Error reading absolute controller %d for device %s fd %d\n",
-             axis, device->name.string(), device->fd);
+             axis, device->identifier.name.string(), device->fd);
         return -errno;
     }
 
@@ -185,7 +192,7 @@
     if (scanCode >= 0 && scanCode <= KEY_MAX) {
         AutoMutex _l(mLock);
 
-        device_t* device = getDeviceLocked(deviceId);
+        Device* device = getDeviceLocked(deviceId);
         if (device != NULL) {
             return getScanCodeStateLocked(device, scanCode);
         }
@@ -193,7 +200,7 @@
     return AKEY_STATE_UNKNOWN;
 }
 
-int32_t EventHub::getScanCodeStateLocked(device_t* device, int32_t scanCode) const {
+int32_t EventHub::getScanCodeStateLocked(Device* device, int32_t scanCode) const {
     uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
     memset(key_bitmask, 0, sizeof(key_bitmask));
     if (ioctl(device->fd,
@@ -206,20 +213,20 @@
 int32_t EventHub::getKeyCodeState(int32_t deviceId, int32_t keyCode) const {
     AutoMutex _l(mLock);
 
-    device_t* device = getDeviceLocked(deviceId);
+    Device* device = getDeviceLocked(deviceId);
     if (device != NULL) {
         return getKeyCodeStateLocked(device, keyCode);
     }
     return AKEY_STATE_UNKNOWN;
 }
 
-int32_t EventHub::getKeyCodeStateLocked(device_t* device, int32_t keyCode) const {
-    if (!device->layoutMap) {
+int32_t EventHub::getKeyCodeStateLocked(Device* device, int32_t keyCode) const {
+    if (!device->keyMap.haveKeyLayout()) {
         return AKEY_STATE_UNKNOWN;
     }
 
     Vector<int32_t> scanCodes;
-    device->layoutMap->findScanCodes(keyCode, &scanCodes);
+    device->keyMap.keyLayoutMap->findScanCodes(keyCode, &scanCodes);
 
     uint8_t key_bitmask[sizeof_bit_array(KEY_MAX + 1)];
     memset(key_bitmask, 0, sizeof(key_bitmask));
@@ -247,7 +254,7 @@
     if (sw >= 0 && sw <= SW_MAX) {
         AutoMutex _l(mLock);
 
-        device_t* device = getDeviceLocked(deviceId);
+        Device* device = getDeviceLocked(deviceId);
         if (device != NULL) {
             return getSwitchStateLocked(device, sw);
         }
@@ -256,7 +263,7 @@
     return AKEY_STATE_UNKNOWN;
 }
 
-int32_t EventHub::getSwitchStateLocked(device_t* device, int32_t sw) const {
+int32_t EventHub::getSwitchStateLocked(Device* device, int32_t sw) const {
     uint8_t sw_bitmask[sizeof_bit_array(SW_MAX + 1)];
     memset(sw_bitmask, 0, sizeof(sw_bitmask));
     if (ioctl(device->fd,
@@ -270,16 +277,16 @@
         const int32_t* keyCodes, uint8_t* outFlags) const {
     AutoMutex _l(mLock);
 
-    device_t* device = getDeviceLocked(deviceId);
+    Device* device = getDeviceLocked(deviceId);
     if (device != NULL) {
         return markSupportedKeyCodesLocked(device, numCodes, keyCodes, outFlags);
     }
     return false;
 }
 
-bool EventHub::markSupportedKeyCodesLocked(device_t* device, size_t numCodes,
+bool EventHub::markSupportedKeyCodesLocked(Device* device, size_t numCodes,
         const int32_t* keyCodes, uint8_t* outFlags) const {
-    if (device->layoutMap == NULL || device->keyBitmask == NULL) {
+    if (!device->keyMap.haveKeyLayout() || !device->keyBitmask) {
         return false;
     }
 
@@ -287,7 +294,7 @@
     for (size_t codeIndex = 0; codeIndex < numCodes; codeIndex++) {
         scanCodes.clear();
 
-        status_t err = device->layoutMap->findScanCodes(keyCodes[codeIndex], &scanCodes);
+        status_t err = device->keyMap.keyLayoutMap->findScanCodes(keyCodes[codeIndex], &scanCodes);
         if (! err) {
             // check the possible scan codes identified by the layout map against the
             // map of codes actually emitted by the driver
@@ -306,20 +313,20 @@
         int32_t* outKeycode, uint32_t* outFlags) const
 {
     AutoMutex _l(mLock);
-    device_t* device = getDeviceLocked(deviceId);
+    Device* device = getDeviceLocked(deviceId);
     
-    if (device != NULL && device->layoutMap != NULL) {
-        status_t err = device->layoutMap->map(scancode, outKeycode, outFlags);
+    if (device && device->keyMap.haveKeyLayout()) {
+        status_t err = device->keyMap.keyLayoutMap->map(scancode, outKeycode, outFlags);
         if (err == NO_ERROR) {
             return NO_ERROR;
         }
     }
     
-    if (mHaveFirstKeyboard) {
-        device = getDeviceLocked(mFirstKeyboardId);
+    if (mBuiltInKeyboardId != -1) {
+        device = getDeviceLocked(mBuiltInKeyboardId);
         
-        if (device != NULL && device->layoutMap != NULL) {
-            status_t err = device->layoutMap->map(scancode, outKeycode, outFlags);
+        if (device && device->keyMap.haveKeyLayout()) {
+            status_t err = device->keyMap.keyLayoutMap->map(scancode, outKeycode, outFlags);
             if (err == NO_ERROR) {
                 return NO_ERROR;
             }
@@ -341,7 +348,7 @@
 
 bool EventHub::hasLed(int32_t deviceId, int32_t led) const {
     AutoMutex _l(mLock);
-    device_t* device = getDeviceLocked(deviceId);
+    Device* device = getDeviceLocked(deviceId);
     if (device) {
         uint8_t bitmask[sizeof_bit_array(LED_MAX + 1)];
         memset(bitmask, 0, sizeof(bitmask));
@@ -356,7 +363,7 @@
 
 void EventHub::setLedState(int32_t deviceId, int32_t led, bool on) {
     AutoMutex _l(mLock);
-    device_t* device = getDeviceLocked(deviceId);
+    Device* device = getDeviceLocked(deviceId);
     if (device) {
         struct input_event ev;
         ev.time.tv_sec = 0;
@@ -372,21 +379,33 @@
     }
 }
 
-EventHub::device_t* EventHub::getDeviceLocked(int32_t deviceId) const
-{
-    if (deviceId == 0) deviceId = mFirstKeyboardId;
-    int32_t id = deviceId & ID_MASK;
-    if (id >= mNumDevicesById || id < 0) return NULL;
-    device_t* dev = mDevicesById[id].device;
-    if (dev == NULL) return NULL;
-    if (dev->id == deviceId) {
-        return dev;
+void EventHub::getVirtualKeyDefinitions(int32_t deviceId,
+        Vector<VirtualKeyDefinition>& outVirtualKeys) const {
+    outVirtualKeys.clear();
+
+    AutoMutex _l(mLock);
+    Device* device = getDeviceLocked(deviceId);
+    if (device && device->virtualKeyMap) {
+        outVirtualKeys.appendVector(device->virtualKeyMap->getVirtualKeys());
+    }
+}
+
+EventHub::Device* EventHub::getDeviceLocked(int32_t deviceId) const {
+    if (deviceId == 0) {
+        deviceId = mBuiltInKeyboardId;
+    }
+
+    size_t numDevices = mDevices.size();
+    for (size_t i = FIRST_ACTUAL_DEVICE_INDEX; i < numDevices; i++) {
+        Device* device = mDevices[i];
+        if (device->id == deviceId) {
+            return device;
+        }
     }
     return NULL;
 }
 
-bool EventHub::getEvent(RawEvent* outEvent)
-{
+bool EventHub::getEvent(RawEvent* outEvent) {
     outEvent->deviceId = 0;
     outEvent->type = 0;
     outEvent->scanCode = 0;
@@ -407,11 +426,11 @@
     for (;;) {
         // Report any devices that had last been added/removed.
         if (mClosingDevices != NULL) {
-            device_t* device = mClosingDevices;
-            LOGV("Reporting device closed: id=0x%x, name=%s\n",
+            Device* device = mClosingDevices;
+            LOGV("Reporting device closed: id=%d, name=%s\n",
                  device->id, device->path.string());
             mClosingDevices = device->next;
-            if (device->id == mFirstKeyboardId) {
+            if (device->id == mBuiltInKeyboardId) {
                 outEvent->deviceId = 0;
             } else {
                 outEvent->deviceId = device->id;
@@ -424,11 +443,11 @@
         }
 
         if (mOpeningDevices != NULL) {
-            device_t* device = mOpeningDevices;
-            LOGV("Reporting device opened: id=0x%x, name=%s\n",
+            Device* device = mOpeningDevices;
+            LOGV("Reporting device opened: id=%d, name=%s\n",
                  device->id, device->path.string());
             mOpeningDevices = device->next;
-            if (device->id == mFirstKeyboardId) {
+            if (device->id == mBuiltInKeyboardId) {
                 outEvent->deviceId = 0;
             } else {
                 outEvent->deviceId = device->id;
@@ -451,11 +470,11 @@
             // Consume buffered input events, if any.
             if (mInputBufferIndex < mInputBufferCount) {
                 const struct input_event& iev = mInputBufferData[mInputBufferIndex++];
-                const device_t* device = mDevices[mInputDeviceIndex];
+                const Device* device = mDevices[mInputFdIndex];
 
                 LOGV("%s got: t0=%d, t1=%d, type=%d, code=%d, v=%d", device->path.string(),
                      (int) iev.time.tv_sec, (int) iev.time.tv_usec, iev.type, iev.code, iev.value);
-                if (device->id == mFirstKeyboardId) {
+                if (device->id == mBuiltInKeyboardId) {
                     outEvent->deviceId = 0;
                 } else {
                     outEvent->deviceId = device->id;
@@ -465,8 +484,8 @@
                 outEvent->flags = 0;
                 if (iev.type == EV_KEY) {
                     outEvent->keyCode = AKEYCODE_UNKNOWN;
-                    if (device->layoutMap) {
-                        status_t err = device->layoutMap->map(iev.code,
+                    if (device->keyMap.haveKeyLayout()) {
+                        status_t err = device->keyMap.keyLayoutMap->map(iev.code,
                                 &outEvent->keyCode, &outEvent->flags);
                         LOGV("iev.code=%d keyCode=%d flags=0x%08x err=%d\n",
                                 iev.code, outEvent->keyCode, outEvent->flags, err);
@@ -486,13 +505,13 @@
             // Finish reading all events from devices identified in previous poll().
             // This code assumes that mInputDeviceIndex is initially 0 and that the
             // revents member of pollfd is initialized to 0 when the device is first added.
-            // Since mFDs[0] is used for inotify, we process regular events starting at index 1.
-            mInputDeviceIndex += 1;
-            if (mInputDeviceIndex >= mFDCount) {
+            // Since mFds[0] is used for inotify, we process regular events starting at index 1.
+            mInputFdIndex += 1;
+            if (mInputFdIndex >= mFds.size()) {
                 break;
             }
 
-            const struct pollfd& pfd = mFDs[mInputDeviceIndex];
+            const struct pollfd& pfd = mFds[mInputFdIndex];
             if (pfd.revents & POLLIN) {
                 int32_t readSize = read(pfd.fd, mInputBufferData,
                         sizeof(struct input_event) * INPUT_BUFFER_SIZE);
@@ -503,7 +522,7 @@
                 } else if ((readSize % sizeof(struct input_event)) != 0) {
                     LOGE("could not get event (wrong size: %d)", readSize);
                 } else {
-                    mInputBufferCount = readSize / sizeof(struct input_event);
+                    mInputBufferCount = size_t(readSize) / sizeof(struct input_event);
                     mInputBufferIndex = 0;
                 }
             }
@@ -512,14 +531,14 @@
 #if HAVE_INOTIFY
         // readNotify() will modify mFDs and mFDCount, so this must be done after
         // processing all other events.
-        if(mFDs[0].revents & POLLIN) {
-            readNotify(mFDs[0].fd);
-            mFDs[0].revents = 0;
+        if(mFds[0].revents & POLLIN) {
+            readNotify(mFds[0].fd);
+            mFds.editItemAt(0).revents = 0;
             continue; // report added or removed devices immediately
         }
 #endif
 
-        mInputDeviceIndex = 0;
+        mInputFdIndex = 0;
 
         // Poll for events.  Mind the wake lock dance!
         // We hold a wake lock at all times except during poll().  This works due to some
@@ -531,7 +550,7 @@
         // pending or currently being processed.
         release_wake_lock(WAKE_LOCK_ID);
 
-        int pollResult = poll(mFDs, mFDCount, -1);
+        int pollResult = poll(mFds.editArray(), mFds.size(), -1);
 
         acquire_wake_lock(PARTIAL_WAKE_LOCK, WAKE_LOCK_ID);
 
@@ -547,36 +566,37 @@
 /*
  * Open the platform-specific input device.
  */
-bool EventHub::openPlatformInput(void)
-{
+bool EventHub::openPlatformInput(void) {
     /*
      * Open platform-specific input device(s).
      */
-    int res;
+    int res, fd;
 
-    mFDCount = 1;
-    mFDs = (pollfd *)calloc(1, sizeof(mFDs[0]));
-    mDevices = (device_t **)calloc(1, sizeof(mDevices[0]));
-    mFDs[0].events = POLLIN;
-    mFDs[0].revents = 0;
-    mDevices[0] = NULL;
 #ifdef HAVE_INOTIFY
-    mFDs[0].fd = inotify_init();
-    res = inotify_add_watch(mFDs[0].fd, device_path, IN_DELETE | IN_CREATE);
+    fd = inotify_init();
+    res = inotify_add_watch(fd, DEVICE_PATH, IN_DELETE | IN_CREATE);
     if(res < 0) {
-        LOGE("could not add watch for %s, %s\n", device_path, strerror(errno));
+        LOGE("could not add watch for %s, %s\n", DEVICE_PATH, strerror(errno));
     }
 #else
     /*
      * The code in EventHub::getEvent assumes that mFDs[0] is an inotify fd.
      * We allocate space for it and set it to something invalid.
      */
-    mFDs[0].fd = -1;
+    fd = -1;
 #endif
 
-    res = scanDir(device_path);
+    // Reserve fd index 0 for inotify.
+    struct pollfd pollfd;
+    pollfd.fd = fd;
+    pollfd.events = POLLIN;
+    pollfd.revents = 0;
+    mFds.push(pollfd);
+    mDevices.push(NULL);
+
+    res = scanDir(DEVICE_PATH);
     if(res < 0) {
-        LOGE("scan dir failed for %s\n", device_path);
+        LOGE("scan dir failed for %s\n", DEVICE_PATH);
     }
 
     return true;
@@ -604,129 +624,102 @@
         AKEYCODE_BUTTON_START, AKEYCODE_BUTTON_SELECT, AKEYCODE_BUTTON_MODE
 };
 
-int EventHub::openDevice(const char *deviceName) {
-    int version;
-    int fd;
-    struct pollfd *new_mFDs;
-    device_t **new_devices;
-    char **new_device_names;
-    char name[80];
-    char location[80];
-    char idstr[80];
-    struct input_id id;
+int EventHub::openDevice(const char *devicePath) {
+    char buffer[80];
 
-    LOGV("Opening device: %s", deviceName);
+    LOGV("Opening device: %s", devicePath);
 
     AutoMutex _l(mLock);
 
-    fd = open(deviceName, O_RDWR);
+    int fd = open(devicePath, O_RDWR);
     if(fd < 0) {
-        LOGE("could not open %s, %s\n", deviceName, strerror(errno));
+        LOGE("could not open %s, %s\n", devicePath, strerror(errno));
         return -1;
     }
 
-    if(ioctl(fd, EVIOCGVERSION, &version)) {
-        LOGE("could not get driver version for %s, %s\n", deviceName, strerror(errno));
-        return -1;
-    }
-    if(ioctl(fd, EVIOCGID, &id)) {
-        LOGE("could not get driver id for %s, %s\n", deviceName, strerror(errno));
-        return -1;
-    }
-    name[sizeof(name) - 1] = '\0';
-    location[sizeof(location) - 1] = '\0';
-    idstr[sizeof(idstr) - 1] = '\0';
-    if(ioctl(fd, EVIOCGNAME(sizeof(name) - 1), &name) < 1) {
-        //fprintf(stderr, "could not get device name for %s, %s\n", deviceName, strerror(errno));
-        name[0] = '\0';
+    InputDeviceIdentifier identifier;
+
+    // Get device name.
+    if(ioctl(fd, EVIOCGNAME(sizeof(buffer) - 1), &buffer) < 1) {
+        //fprintf(stderr, "could not get device name for %s, %s\n", devicePath, strerror(errno));
+    } else {
+        buffer[sizeof(buffer) - 1] = '\0';
+        identifier.name.setTo(buffer);
     }
 
-    // check to see if the device is on our excluded list
+    // Check to see if the device is on our excluded list
     List<String8>::iterator iter = mExcludedDevices.begin();
     List<String8>::iterator end = mExcludedDevices.end();
     for ( ; iter != end; iter++) {
         const char* test = *iter;
-        if (strcmp(name, test) == 0) {
-            LOGI("ignoring event id %s driver %s\n", deviceName, test);
+        if (identifier.name == test) {
+            LOGI("ignoring event id %s driver %s\n", devicePath, test);
             close(fd);
             return -1;
         }
     }
 
-    if(ioctl(fd, EVIOCGPHYS(sizeof(location) - 1), &location) < 1) {
-        //fprintf(stderr, "could not get location for %s, %s\n", deviceName, strerror(errno));
-        location[0] = '\0';
-    }
-    if(ioctl(fd, EVIOCGUNIQ(sizeof(idstr) - 1), &idstr) < 1) {
-        //fprintf(stderr, "could not get idstring for %s, %s\n", deviceName, strerror(errno));
-        idstr[0] = '\0';
+    // Get device driver version.
+    int driverVersion;
+    if(ioctl(fd, EVIOCGVERSION, &driverVersion)) {
+        LOGE("could not get driver version for %s, %s\n", devicePath, strerror(errno));
+        close(fd);
+        return -1;
     }
 
+    // Get device identifier.
+    struct input_id inputId;
+    if(ioctl(fd, EVIOCGID, &inputId)) {
+        LOGE("could not get device input id for %s, %s\n", devicePath, strerror(errno));
+        close(fd);
+        return -1;
+    }
+    identifier.bus = inputId.bustype;
+    identifier.product = inputId.product;
+    identifier.vendor = inputId.vendor;
+    identifier.version = inputId.version;
+
+    // Get device physical location.
+    if(ioctl(fd, EVIOCGPHYS(sizeof(buffer) - 1), &buffer) < 1) {
+        //fprintf(stderr, "could not get location for %s, %s\n", devicePath, strerror(errno));
+    } else {
+        buffer[sizeof(buffer) - 1] = '\0';
+        identifier.location.setTo(buffer);
+    }
+
+    // Get device unique id.
+    if(ioctl(fd, EVIOCGUNIQ(sizeof(buffer) - 1), &buffer) < 1) {
+        //fprintf(stderr, "could not get idstring for %s, %s\n", devicePath, strerror(errno));
+    } else {
+        buffer[sizeof(buffer) - 1] = '\0';
+        identifier.uniqueId.setTo(buffer);
+    }
+
+    // Make file descriptor non-blocking for use with poll().
     if (fcntl(fd, F_SETFL, O_NONBLOCK)) {
         LOGE("Error %d making device file descriptor non-blocking.", errno);
         close(fd);
         return -1;
     }
 
-    int devid = 0;
-    while (devid < mNumDevicesById) {
-        if (mDevicesById[devid].device == NULL) {
-            break;
-        }
-        devid++;
-    }
-    if (devid >= mNumDevicesById) {
-        device_ent* new_devids = (device_ent*)realloc(mDevicesById,
-                sizeof(mDevicesById[0]) * (devid + 1));
-        if (new_devids == NULL) {
-            LOGE("out of memory");
-            return -1;
-        }
-        mDevicesById = new_devids;
-        mNumDevicesById = devid+1;
-        mDevicesById[devid].device = NULL;
-        mDevicesById[devid].seq = 0;
-    }
-
-    mDevicesById[devid].seq = (mDevicesById[devid].seq+(1<<SEQ_SHIFT))&SEQ_MASK;
-    if (mDevicesById[devid].seq == 0) {
-        mDevicesById[devid].seq = 1<<SEQ_SHIFT;
-    }
-
-    new_mFDs = (pollfd*)realloc(mFDs, sizeof(mFDs[0]) * (mFDCount + 1));
-    new_devices = (device_t**)realloc(mDevices, sizeof(mDevices[0]) * (mFDCount + 1));
-    if (new_mFDs == NULL || new_devices == NULL) {
-        LOGE("out of memory");
-        return -1;
-    }
-    mFDs = new_mFDs;
-    mDevices = new_devices;
+    // Allocate device.  (The device object takes ownership of the fd at this point.)
+    int32_t deviceId = mNextDeviceId++;
+    Device* device = new Device(fd, deviceId, String8(devicePath), identifier);
 
 #if 0
-    LOGI("add device %d: %s\n", mFDCount, deviceName);
-    LOGI("  bus:      %04x\n"
-         "  vendor    %04x\n"
-         "  product   %04x\n"
-         "  version   %04x\n",
-        id.bustype, id.vendor, id.product, id.version);
-    LOGI("  name:     \"%s\"\n", name);
-    LOGI("  location: \"%s\"\n"
-         "  id:       \"%s\"\n", location, idstr);
-    LOGI("  version:  %d.%d.%d\n",
-        version >> 16, (version >> 8) & 0xff, version & 0xff);
+    LOGI("add device %d: %s\n", deviceId, devicePath);
+    LOGI("  bus:       %04x\n"
+         "  vendor     %04x\n"
+         "  product    %04x\n"
+         "  version    %04x\n",
+        identifier.bus, identifier.vendor, identifier.product, identifier.version);
+    LOGI("  name:      \"%s\"\n", identifier.name.string());
+    LOGI("  location:  \"%s\"\n", identifier.location.string());
+    LOGI("  unique id: \"%s\"\n", identifier.uniqueId.string());
+    LOGI("  driver:    v%d.%d.%d\n",
+        driverVersion >> 16, (driverVersion >> 8) & 0xff, driverVersion & 0xff);
 #endif
 
-    device_t* device = new device_t(devid|mDevicesById[devid].seq, deviceName, name);
-    if (device == NULL) {
-        LOGE("out of memory");
-        return -1;
-    }
-
-    device->fd = fd;
-    mFDs[mFDCount].fd = fd;
-    mFDs[mFDCount].events = POLLIN;
-    mFDs[mFDCount].revents = 0;
-
     // Load the configuration file for the device.
     loadConfiguration(device);
 
@@ -798,7 +791,7 @@
     bool hasSwitches = false;
     if (ioctl(fd, EVIOCGBIT(EV_SW, sizeof(sw_bitmask)), sw_bitmask) >= 0) {
         for (int i=0; i<EV_SW; i++) {
-            //LOGI("Device 0x%x sw %d: has=%d", device->id, i, test_bit(i, sw_bitmask));
+            //LOGI("Device %d sw %d: has=%d", device->id, i, test_bit(i, sw_bitmask));
             if (test_bit(i, sw_bitmask)) {
                 hasSwitches = true;
                 if (mSwitches[i] == 0) {
@@ -812,37 +805,29 @@
     }
 #endif
 
-    if ((device->classes & INPUT_DEVICE_CLASS_KEYBOARD) != 0) {
-        // a more descriptive name
-        device->name = name;
-
-        // Configure the keymap for the device.
-        configureKeyMap(device);
-
-        // Tell the world about the devname (the descriptive name)
-        if (!mHaveFirstKeyboard && !device->keyMapInfo.isDefaultKeyMap && strstr(name, "-keypad")) {
-            // the built-in keyboard has a well-known device ID of 0,
-            // this device better not go away.
-            mHaveFirstKeyboard = true;
-            mFirstKeyboardId = device->id;
-            setKeyboardProperties(device, true);
-        } else {
-            // ensure mFirstKeyboardId is set to -something-.
-            if (mFirstKeyboardId == -1) {
-                mFirstKeyboardId = device->id;
-                setKeyboardProperties(device, true);
-            }
+    if ((device->classes & INPUT_DEVICE_CLASS_TOUCHSCREEN)) {
+        // Load the virtual keys for the touch screen, if any.
+        // We do this now so that we can make sure to load the keymap if necessary.
+        status_t status = loadVirtualKeyMap(device);
+        if (!status) {
+            device->classes |= INPUT_DEVICE_CLASS_KEYBOARD;
         }
+    }
+
+    if ((device->classes & INPUT_DEVICE_CLASS_KEYBOARD) != 0) {
+        // Load the keymap for the device.
+        status_t status = loadKeyMap(device);
+
+        // Set system properties for the keyboard.
         setKeyboardProperties(device, false);
 
-        // Load the keylayout.
-        if (!device->keyMapInfo.keyLayoutFile.isEmpty()) {
-            status_t status = KeyLayoutMap::load(device->keyMapInfo.keyLayoutFile,
-                    &device->layoutMap);
-            if (status) {
-                LOGE("Error %d loading key layout file '%s'.", status,
-                        device->keyMapInfo.keyLayoutFile.string());
-            }
+        // Register the keyboard as a built-in keyboard if it is eligible.
+        if (!status
+                && mBuiltInKeyboardId == -1
+                && isEligibleBuiltInKeyboard(device->identifier,
+                        device->configuration, &device->keyMap)) {
+            mBuiltInKeyboardId = device->id;
+            setKeyboardProperties(device, true);
         }
 
         // 'Q' key support = cheap test of whether this is an alpha-capable kbd
@@ -866,76 +851,87 @@
                 break;
             }
         }
-
-        LOGI("New keyboard: device->id=0x%x devname='%s' keylayout='%s' keycharactermap='%s'\n",
-                device->id, name,
-                device->keyMapInfo.keyLayoutFile.string(),
-                device->keyMapInfo.keyCharacterMapFile.string());
     }
 
     // If the device isn't recognized as something we handle, don't monitor it.
     if (device->classes == 0) {
-        LOGV("Dropping device %s %p, id = %d\n", deviceName, device, devid);
-        close(fd);
+        LOGV("Dropping device: id=%d, path='%s', name='%s'",
+                deviceId, devicePath, device->identifier.name.string());
         delete device;
         return -1;
     }
 
-    LOGI("New device: path=%s name=%s id=0x%x (of 0x%x) index=%d fd=%d classes=0x%x "
-            "configuration='%s'\n",
-         deviceName, name, device->id, mNumDevicesById, mFDCount, fd, device->classes,
-         device->configurationFile.string());
+    LOGI("New device: id=%d, fd=%d, path='%s', name='%s', classes=0x%x, "
+            "configuration='%s', keyLayout='%s', keyCharacterMap='%s', builtinKeyboard=%s",
+         deviceId, fd, devicePath, device->identifier.name.string(),
+         device->classes,
+         device->configurationFile.string(),
+         device->keyMap.keyLayoutFile.string(),
+         device->keyMap.keyCharacterMapFile.string(),
+         toString(mBuiltInKeyboardId == deviceId));
 
-    LOGV("Adding device %s %p at %d, id = %d, classes = 0x%x\n",
-         deviceName, device, mFDCount, devid, device->classes);
+    struct pollfd pollfd;
+    pollfd.fd = fd;
+    pollfd.events = POLLIN;
+    pollfd.revents = 0;
+    mFds.push(pollfd);
+    mDevices.push(device);
 
-    mDevicesById[devid].device = device;
     device->next = mOpeningDevices;
     mOpeningDevices = device;
-    mDevices[mFDCount] = device;
-
-    mFDCount++;
     return 0;
 }
 
-void EventHub::loadConfiguration(device_t* device) {
-    device->configurationFile = getInputDeviceConfigurationFilePath(device->name,
-            INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION);
+void EventHub::loadConfiguration(Device* device) {
+    device->configurationFile = getInputDeviceConfigurationFilePathByDeviceIdentifier(
+            device->identifier, INPUT_DEVICE_CONFIGURATION_FILE_TYPE_CONFIGURATION);
     if (device->configurationFile.isEmpty()) {
-        LOGI("No input device configuration file found for device '%s'.",
-                device->name.string());
+        LOGD("No input device configuration file found for device '%s'.",
+                device->identifier.name.string());
     } else {
         status_t status = PropertyMap::load(device->configurationFile,
                 &device->configuration);
         if (status) {
-            LOGE("Error loading input device configuration file for device '%s'.",
-                    device->name.string());
+            LOGE("Error loading input device configuration file for device '%s'.  "
+                    "Using default configuration.",
+                    device->identifier.name.string());
         }
     }
 }
 
-void EventHub::configureKeyMap(device_t* device) {
-    android::resolveKeyMap(device->name, device->configuration, device->keyMapInfo);
+status_t EventHub::loadVirtualKeyMap(Device* device) {
+    // The virtual key map is supplied by the kernel as a system board property file.
+    String8 path;
+    path.append("/sys/board_properties/virtualkeys.");
+    path.append(device->identifier.name);
+    if (access(path.string(), R_OK)) {
+        return NAME_NOT_FOUND;
+    }
+    return VirtualKeyMap::load(path, &device->virtualKeyMap);
 }
 
-void EventHub::setKeyboardProperties(device_t* device, bool firstKeyboard) {
-    int32_t id = firstKeyboard ? 0 : device->id;
-    android::setKeyboardProperties(id, device->name, device->keyMapInfo);
+status_t EventHub::loadKeyMap(Device* device) {
+    return device->keyMap.load(device->identifier, device->configuration);
 }
 
-void EventHub::clearKeyboardProperties(device_t* device, bool firstKeyboard) {
-    int32_t id = firstKeyboard ? 0 : device->id;
+void EventHub::setKeyboardProperties(Device* device, bool builtInKeyboard) {
+    int32_t id = builtInKeyboard ? 0 : device->id;
+    android::setKeyboardProperties(id, device->identifier,
+            device->keyMap.keyLayoutFile, device->keyMap.keyCharacterMapFile);
+}
+
+void EventHub::clearKeyboardProperties(Device* device, bool builtInKeyboard) {
+    int32_t id = builtInKeyboard ? 0 : device->id;
     android::clearKeyboardProperties(id);
 }
 
-bool EventHub::hasKeycodeLocked(device_t* device, int keycode) const
-{
-    if (device->keyBitmask == NULL || device->layoutMap == NULL) {
+bool EventHub::hasKeycodeLocked(Device* device, int keycode) const {
+    if (!device->keyMap.haveKeyLayout() || !device->keyBitmask) {
         return false;
     }
     
     Vector<int32_t> scanCodes;
-    device->layoutMap->findScanCodes(keycode, &scanCodes);
+    device->keyMap.keyLayoutMap->findScanCodes(keycode, &scanCodes);
     const size_t N = scanCodes.size();
     for (size_t i=0; i<N && i<=KEY_MAX; i++) {
         int32_t sc = scanCodes.itemAt(i);
@@ -947,29 +943,15 @@
     return false;
 }
 
-int EventHub::closeDevice(const char *deviceName) {
+int EventHub::closeDevice(const char *devicePath) {
     AutoMutex _l(mLock);
 
-    int i;
-    for(i = 1; i < mFDCount; i++) {
-        if(strcmp(mDevices[i]->path.string(), deviceName) == 0) {
-            //LOGD("remove device %d: %s\n", i, deviceName);
-            device_t* device = mDevices[i];
-            
-            LOGI("Removed device: path=%s name=%s id=0x%x (of 0x%x) index=%d fd=%d classes=0x%x\n",
-                 device->path.string(), device->name.string(), device->id,
-                 mNumDevicesById, mFDCount, mFDs[i].fd, device->classes);
-         
-            // Clear this device's entry.
-            int index = (device->id&ID_MASK);
-            mDevicesById[index].device = NULL;
-            
-            // Close the file descriptor and compact the fd array.
-            close(mFDs[i].fd);
-            int count = mFDCount - i - 1;
-            memmove(mDevices + i, mDevices + i + 1, sizeof(mDevices[0]) * count);
-            memmove(mFDs + i, mFDs + i + 1, sizeof(mFDs[0]) * count);
-            mFDCount--;
+    for (size_t i = FIRST_ACTUAL_DEVICE_INDEX; i < mDevices.size(); i++) {
+        Device* device = mDevices[i];
+        if (device->path == devicePath) {
+            LOGI("Removed device: path=%s name=%s id=%d fd=%d classes=0x%x\n",
+                 device->path.string(), device->identifier.name.string(), device->id,
+                 device->fd, device->classes);
 
 #ifdef EV_SW
             for (int j=0; j<EV_SW; j++) {
@@ -978,21 +960,25 @@
                 }
             }
 #endif
-            
-            device->next = mClosingDevices;
-            mClosingDevices = device;
 
-            if (device->id == mFirstKeyboardId) {
+            if (device->id == mBuiltInKeyboardId) {
                 LOGW("built-in keyboard device %s (id=%d) is closing! the apps will not like this",
-                        device->path.string(), mFirstKeyboardId);
-                mFirstKeyboardId = -1;
+                        device->path.string(), mBuiltInKeyboardId);
+                mBuiltInKeyboardId = -1;
                 clearKeyboardProperties(device, true);
             }
             clearKeyboardProperties(device, false);
+
+            mFds.removeAt(i);
+            mDevices.removeAt(i);
+            device->close();
+
+            device->next = mClosingDevices;
+            mClosingDevices = device;
             return 0;
         }
     }
-    LOGE("remove device: %s not found\n", deviceName);
+    LOGE("remove device: %s not found\n", devicePath);
     return -1;
 }
 
@@ -1016,7 +1002,7 @@
     }
     //printf("got %d bytes of event information\n", res);
 
-    strcpy(devname, device_path);
+    strcpy(devname, DEVICE_PATH);
     filename = devname + strlen(devname);
     *filename++ = '/';
 
@@ -1040,7 +1026,6 @@
     return 0;
 }
 
-
 int EventHub::scanDir(const char *dirname)
 {
     char devname[PATH_MAX];
@@ -1071,28 +1056,32 @@
     { // acquire lock
         AutoMutex _l(mLock);
 
-        dump.appendFormat(INDENT "HaveFirstKeyboard: %s\n", toString(mHaveFirstKeyboard));
-        dump.appendFormat(INDENT "FirstKeyboardId: 0x%x\n", mFirstKeyboardId);
+        dump.appendFormat(INDENT "BuiltInKeyboardId: %d\n", mBuiltInKeyboardId);
 
         dump.append(INDENT "Devices:\n");
 
-        for (int i = 0; i < mNumDevicesById; i++) {
-            const device_t* device = mDevicesById[i].device;
+        for (size_t i = FIRST_ACTUAL_DEVICE_INDEX; i < mDevices.size(); i++) {
+            const Device* device = mDevices[i];
             if (device) {
-                if (mFirstKeyboardId == device->id) {
-                    dump.appendFormat(INDENT2 "0x%x: %s (aka device 0 - first keyboard)\n",
-                            device->id, device->name.string());
+                if (mBuiltInKeyboardId == device->id) {
+                    dump.appendFormat(INDENT2 "%d: %s (aka device 0 - built-in keyboard)\n",
+                            device->id, device->identifier.name.string());
                 } else {
-                    dump.appendFormat(INDENT2 "0x%x: %s\n", device->id, device->name.string());
+                    dump.appendFormat(INDENT2 "%d: %s\n", device->id,
+                            device->identifier.name.string());
                 }
                 dump.appendFormat(INDENT3 "Classes: 0x%08x\n", device->classes);
                 dump.appendFormat(INDENT3 "Path: %s\n", device->path.string());
-                dump.appendFormat(INDENT3 "IsDefaultKeyMap: %s\n",
-                        toString(device->keyMapInfo.isDefaultKeyMap));
+                dump.appendFormat(INDENT3 "Location: %s\n", device->identifier.location.string());
+                dump.appendFormat(INDENT3 "UniqueId: %s\n", device->identifier.uniqueId.string());
+                dump.appendFormat(INDENT3 "Identifier: bus=0x%04x, vendor=0x%04x, "
+                        "product=0x%04x, version=0x%04x\n",
+                        device->identifier.bus, device->identifier.vendor,
+                        device->identifier.product, device->identifier.version);
                 dump.appendFormat(INDENT3 "KeyLayoutFile: %s\n",
-                        device->keyMapInfo.keyLayoutFile.string());
+                        device->keyMap.keyLayoutFile.string());
                 dump.appendFormat(INDENT3 "KeyCharacterMapFile: %s\n",
-                        device->keyMapInfo.keyCharacterMapFile.string());
+                        device->keyMap.keyCharacterMapFile.string());
                 dump.appendFormat(INDENT3 "ConfigurationFile: %s\n",
                         device->configurationFile.string());
             }
diff --git a/libs/ui/Input.cpp b/libs/ui/Input.cpp
index 9e697db..b8d59e6 100644
--- a/libs/ui/Input.cpp
+++ b/libs/ui/Input.cpp
@@ -11,6 +11,7 @@
 
 #include <stdlib.h>
 #include <unistd.h>
+#include <ctype.h>
 
 #include <ui/Input.h>
 
@@ -28,12 +29,16 @@
         ".kcm",
 };
 
+static bool isValidNameChar(char ch) {
+    return isascii(ch) && (isdigit(ch) || isalpha(ch) || ch == '-' || ch == '_');
+}
+
 static void appendInputDeviceConfigurationFileRelativePath(String8& path,
         const String8& name, InputDeviceConfigurationFileType type) {
     path.append(CONFIGURATION_FILE_DIR[type]);
     for (size_t i = 0; i < name.length(); i++) {
         char ch = name[i];
-        if (ch == ' ') {
+        if (!isValidNameChar(ch)) {
             ch = '_';
         }
         path.append(&ch, 1);
@@ -41,7 +46,37 @@
     path.append(CONFIGURATION_FILE_EXTENSION[type]);
 }
 
-extern String8 getInputDeviceConfigurationFilePath(
+String8 getInputDeviceConfigurationFilePathByDeviceIdentifier(
+        const InputDeviceIdentifier& deviceIdentifier,
+        InputDeviceConfigurationFileType type) {
+    if (deviceIdentifier.vendor !=0 && deviceIdentifier.product != 0) {
+        if (deviceIdentifier.version != 0) {
+            // Try vendor product version.
+            String8 versionPath(getInputDeviceConfigurationFilePathByName(
+                    String8::format("Vendor_%04x_Product_%04x_Version_%04x",
+                            deviceIdentifier.vendor, deviceIdentifier.product,
+                            deviceIdentifier.version),
+                    type));
+            if (!versionPath.isEmpty()) {
+                return versionPath;
+            }
+        }
+
+        // Try vendor product.
+        String8 productPath(getInputDeviceConfigurationFilePathByName(
+                String8::format("Vendor_%04x_Product_%04x",
+                        deviceIdentifier.vendor, deviceIdentifier.product),
+                type));
+        if (!productPath.isEmpty()) {
+            return productPath;
+        }
+    }
+
+    // Try device name.
+    return getInputDeviceConfigurationFilePathByName(deviceIdentifier.name, type);
+}
+
+String8 getInputDeviceConfigurationFilePathByName(
         const String8& name, InputDeviceConfigurationFileType type) {
     // Search system repository.
     String8 path;
diff --git a/libs/ui/InputDispatcher.cpp b/libs/ui/InputDispatcher.cpp
index 0708223..f1223f1 100644
--- a/libs/ui/InputDispatcher.cpp
+++ b/libs/ui/InputDispatcher.cpp
@@ -315,7 +315,7 @@
                         // Throttle it!
 #if DEBUG_THROTTLING
                         LOGD("Throttling - Delaying motion event for "
-                                "device 0x%x, source 0x%08x by up to %0.3fms.",
+                                "device %d, source 0x%08x by up to %0.3fms.",
                                 deviceId, source, (nextTime - currentTime) * 0.000001);
 #endif
                         if (nextTime < *nextWakeupTime) {
@@ -704,7 +704,7 @@
 
 void InputDispatcher::logOutboundKeyDetailsLocked(const char* prefix, const KeyEntry* entry) {
 #if DEBUG_OUTBOUND_EVENT_DETAILS
-    LOGD("%seventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, "
+    LOGD("%seventTime=%lld, deviceId=%d, source=0x%x, policyFlags=0x%x, "
             "action=0x%x, flags=0x%x, keyCode=0x%x, scanCode=0x%x, metaState=0x%x, "
             "repeatCount=%d, downTime=%lld",
             prefix,
@@ -767,7 +767,7 @@
 
 void InputDispatcher::logOutboundMotionDetailsLocked(const char* prefix, const MotionEntry* entry) {
 #if DEBUG_OUTBOUND_EVENT_DETAILS
-    LOGD("%seventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, "
+    LOGD("%seventTime=%lld, deviceId=%d, source=0x%x, policyFlags=0x%x, "
             "action=0x%x, flags=0x%x, "
             "metaState=0x%x, edgeFlags=0x%x, xPrecision=%f, yPrecision=%f, downTime=%lld",
             prefix,
@@ -2072,7 +2072,7 @@
         uint32_t policyFlags, int32_t action, int32_t flags,
         int32_t keyCode, int32_t scanCode, int32_t metaState, nsecs_t downTime) {
 #if DEBUG_INBOUND_EVENT_DETAILS
-    LOGD("notifyKey - eventTime=%lld, deviceId=0x%x, source=0x%x, policyFlags=0x%x, action=0x%x, "
+    LOGD("notifyKey - eventTime=%lld, deviceId=%d, source=0x%x, policyFlags=0x%x, action=0x%x, "
             "flags=0x%x, keyCode=0x%x, scanCode=0x%x, metaState=0x%x, downTime=%lld",
             eventTime, deviceId, source, policyFlags, action, flags,
             keyCode, scanCode, metaState, downTime);
@@ -2120,7 +2120,7 @@
         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, "
+    LOGD("notifyMotion - eventTime=%lld, deviceId=%d, source=0x%x, policyFlags=0x%x, "
             "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,
diff --git a/libs/ui/InputReader.cpp b/libs/ui/InputReader.cpp
index aa690e5..9cc96ad 100644
--- a/libs/ui/InputReader.cpp
+++ b/libs/ui/InputReader.cpp
@@ -25,6 +25,7 @@
 #include <cutils/log.h>
 #include <ui/InputReader.h>
 #include <ui/Keyboard.h>
+#include <ui/VirtualKeyMap.h>
 
 #include <stddef.h>
 #include <stdlib.h>
@@ -121,7 +122,7 @@
     mEventHub->getEvent(& rawEvent);
 
 #if DEBUG_RAW_EVENTS
-    LOGD("Input event: device=0x%x type=0x%x scancode=%d keycode=%d value=%d",
+    LOGD("Input event: device=%d type=0x%x scancode=%d keycode=%d value=%d",
             rawEvent.deviceId, rawEvent.type, rawEvent.scanCode, rawEvent.keyCode,
             rawEvent.value);
 #endif
@@ -157,9 +158,9 @@
     device->configure();
 
     if (device->isIgnored()) {
-        LOGI("Device added: id=0x%x, name=%s (ignored non-input device)", deviceId, name.string());
+        LOGI("Device added: id=%d, name='%s' (ignored non-input device)", deviceId, name.string());
     } else {
-        LOGI("Device added: id=0x%x, name=%s, sources=%08x", deviceId, name.string(),
+        LOGI("Device added: id=%d, name='%s', sources=0x%08x", deviceId, name.string(),
                 device->getSources());
     }
 
@@ -201,10 +202,10 @@
     }
 
     if (device->isIgnored()) {
-        LOGI("Device removed: id=0x%x, name=%s (ignored non-input device)",
+        LOGI("Device removed: id=%d, name='%s' (ignored non-input device)",
                 device->getId(), device->getName().string());
     } else {
-        LOGI("Device removed: id=0x%x, name=%s, sources=%08x",
+        LOGI("Device removed: id=%d, name='%s', sources=0x%08x",
                 device->getId(), device->getName().string(), device->getSources());
     }
 
@@ -535,7 +536,7 @@
     InputDeviceInfo deviceInfo;
     getDeviceInfo(& deviceInfo);
 
-    dump.appendFormat(INDENT "Device 0x%x: %s\n", deviceInfo.getId(),
+    dump.appendFormat(INDENT "Device %d: %s\n", deviceInfo.getId(),
             deviceInfo.getName().string());
     dump.appendFormat(INDENT2 "Sources: 0x%08x\n", deviceInfo.getSources());
     dump.appendFormat(INDENT2 "KeyboardType: %d\n", deviceInfo.getKeyboardType());
@@ -1439,7 +1440,7 @@
 
     bool sizeChanged = mLocked.surfaceWidth != width || mLocked.surfaceHeight != height;
     if (sizeChanged) {
-        LOGI("Device reconfigured: id=0x%x, name=%s, display size is now %dx%d",
+        LOGI("Device reconfigured: id=%d, name='%s', display size is now %dx%d",
                 getDeviceId(), getDeviceName().string(), width, height);
 
         mLocked.surfaceWidth = width;
@@ -1651,9 +1652,8 @@
 void TouchInputMapper::configureVirtualKeysLocked() {
     assert(mRawAxes.x.valid && mRawAxes.y.valid);
 
-    // Note: getVirtualKeyDefinitions is non-reentrant so we can continue holding the lock.
     Vector<VirtualKeyDefinition> virtualKeyDefinitions;
-    getPolicy()->getVirtualKeyDefinitions(getDeviceName(), virtualKeyDefinitions);
+    getEventHub()->getVirtualKeyDefinitions(getDeviceId(), virtualKeyDefinitions);
 
     mLocked.virtualKeys.clear();
 
diff --git a/libs/ui/Keyboard.cpp b/libs/ui/Keyboard.cpp
index a4cc22d..6faa600 100644
--- a/libs/ui/Keyboard.cpp
+++ b/libs/ui/Keyboard.cpp
@@ -22,97 +22,167 @@
 
 #include <ui/Keyboard.h>
 #include <ui/KeycodeLabels.h>
+#include <ui/KeyLayoutMap.h>
+#include <ui/KeyCharacterMap.h>
 #include <utils/Errors.h>
 #include <utils/Log.h>
 #include <cutils/properties.h>
 
 namespace android {
 
-static bool probeKeyMap(KeyMapInfo& keyMapInfo, const String8& keyMapName, bool defaultKeyMap) {
-    bool foundOne = false;
-    if (keyMapInfo.keyLayoutFile.isEmpty()) {
-        keyMapInfo.keyLayoutFile.setTo(getInputDeviceConfigurationFilePath(keyMapName,
-                INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_LAYOUT));
-        if (!keyMapInfo.keyLayoutFile.isEmpty()) {
-            foundOne = true;
-        }
-    }
+// --- KeyMap ---
 
-    if (keyMapInfo.keyCharacterMapFile.isEmpty()) {
-        keyMapInfo.keyCharacterMapFile.setTo(getInputDeviceConfigurationFilePath(keyMapName,
-                INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_CHARACTER_MAP));
-        if (!keyMapInfo.keyCharacterMapFile.isEmpty()) {
-            foundOne = true;
-        }
-    }
-
-    if (foundOne && defaultKeyMap) {
-        keyMapInfo.isDefaultKeyMap = true;
-    }
-    return keyMapInfo.isComplete();
+KeyMap::KeyMap() :
+        keyLayoutMap(NULL), keyCharacterMap(NULL) {
 }
 
-status_t resolveKeyMap(const String8& deviceName,
-        const PropertyMap* deviceConfiguration, KeyMapInfo& outKeyMapInfo) {
+KeyMap::~KeyMap() {
+    delete keyLayoutMap;
+    delete keyCharacterMap;
+}
+
+status_t KeyMap::load(const InputDeviceIdentifier& deviceIdenfifier,
+        const PropertyMap* deviceConfiguration) {
     // Use the configured key layout if available.
     if (deviceConfiguration) {
         String8 keyLayoutName;
         if (deviceConfiguration->tryGetProperty(String8("keyboard.layout"),
                 keyLayoutName)) {
-            outKeyMapInfo.keyLayoutFile.setTo(getInputDeviceConfigurationFilePath(
-                    keyLayoutName, INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_LAYOUT));
-            if (outKeyMapInfo.keyLayoutFile.isEmpty()) {
-                LOGW("Configuration for keyboard device '%s' requested keyboard layout '%s' but "
+            status_t status = loadKeyLayout(deviceIdenfifier, keyLayoutName);
+            if (status == NAME_NOT_FOUND) {
+                LOGE("Configuration for keyboard device '%s' requested keyboard layout '%s' but "
                         "it was not found.",
-                        deviceName.string(), keyLayoutName.string());
+                        deviceIdenfifier.name.string(), keyLayoutName.string());
             }
         }
 
         String8 keyCharacterMapName;
         if (deviceConfiguration->tryGetProperty(String8("keyboard.characterMap"),
                 keyCharacterMapName)) {
-            outKeyMapInfo.keyCharacterMapFile.setTo(getInputDeviceConfigurationFilePath(
-                    keyCharacterMapName, INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_CHARACTER_MAP));
-            if (outKeyMapInfo.keyCharacterMapFile.isEmpty()) {
-                LOGW("Configuration for keyboard device '%s' requested keyboard character "
+            status_t status = loadKeyCharacterMap(deviceIdenfifier, keyCharacterMapName);
+            if (status == NAME_NOT_FOUND) {
+                LOGE("Configuration for keyboard device '%s' requested keyboard character "
                         "map '%s' but it was not found.",
-                        deviceName.string(), keyCharacterMapName.string());
+                        deviceIdenfifier.name.string(), keyLayoutName.string());
             }
         }
 
-        if (outKeyMapInfo.isComplete()) {
+        if (isComplete()) {
             return OK;
         }
     }
 
-    // Try searching by device name.
-    if (probeKeyMap(outKeyMapInfo, deviceName, false)) {
+    // Try searching by device identifier.
+    if (probeKeyMap(deviceIdenfifier, String8::empty())) {
         return OK;
     }
 
     // Fall back on the Generic key map.
     // TODO Apply some additional heuristics here to figure out what kind of
-    //      generic key map to use (US English, etc.).
-    if (probeKeyMap(outKeyMapInfo, String8("Generic"), true)) {
+    //      generic key map to use (US English, etc.) for typical external keyboards.
+    if (probeKeyMap(deviceIdenfifier, String8("Generic"))) {
+        return OK;
+    }
+
+    // Try the Virtual key map as a last resort.
+    if (probeKeyMap(deviceIdenfifier, String8("Virtual"))) {
         return OK;
     }
 
     // Give up!
-    LOGE("Could not determine key map for device '%s' and the Generic key map was not found!",
-            deviceName.string());
-    outKeyMapInfo.isDefaultKeyMap = true;
+    LOGE("Could not determine key map for device '%s' and no default key maps were found!",
+            deviceIdenfifier.name.string());
     return NAME_NOT_FOUND;
 }
 
-void setKeyboardProperties(int32_t deviceId, const String8& deviceName,
-        const KeyMapInfo& keyMapInfo) {
+bool KeyMap::probeKeyMap(const InputDeviceIdentifier& deviceIdentifier,
+        const String8& keyMapName) {
+    if (!haveKeyLayout()) {
+        loadKeyLayout(deviceIdentifier, keyMapName);
+    }
+    if (!haveKeyCharacterMap()) {
+        loadKeyCharacterMap(deviceIdentifier, keyMapName);
+    }
+    return isComplete();
+}
+
+status_t KeyMap::loadKeyLayout(const InputDeviceIdentifier& deviceIdentifier,
+        const String8& name) {
+    String8 path(getPath(deviceIdentifier, name,
+            INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_LAYOUT));
+    if (path.isEmpty()) {
+        return NAME_NOT_FOUND;
+    }
+
+    KeyLayoutMap* map;
+    status_t status = KeyLayoutMap::load(path, &map);
+    if (status) {
+        return status;
+    }
+
+    keyLayoutFile.setTo(path);
+    keyLayoutMap = map;
+    return OK;
+}
+
+status_t KeyMap::loadKeyCharacterMap(const InputDeviceIdentifier& deviceIdentifier,
+        const String8& name) {
+    String8 path(getPath(deviceIdentifier, name,
+            INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_CHARACTER_MAP));
+    if (path.isEmpty()) {
+        return NAME_NOT_FOUND;
+    }
+
+    KeyCharacterMap* map;
+    status_t status = KeyCharacterMap::load(path, &map);
+    if (status) {
+        return status;
+    }
+
+    keyCharacterMapFile.setTo(path);
+    keyCharacterMap = map;
+    return OK;
+}
+
+String8 KeyMap::getPath(const InputDeviceIdentifier& deviceIdentifier,
+        const String8& name, InputDeviceConfigurationFileType type) {
+    return name.isEmpty()
+            ? getInputDeviceConfigurationFilePathByDeviceIdentifier(deviceIdentifier, type)
+            : getInputDeviceConfigurationFilePathByName(name, type);
+}
+
+
+// --- Global functions ---
+
+bool isEligibleBuiltInKeyboard(const InputDeviceIdentifier& deviceIdentifier,
+        const PropertyMap* deviceConfiguration, const KeyMap* keyMap) {
+    if (!keyMap->haveKeyCharacterMap()
+            || keyMap->keyCharacterMap->getKeyboardType()
+                    == KeyCharacterMap::KEYBOARD_TYPE_SPECIAL_FUNCTION) {
+        return false;
+    }
+
+    if (deviceConfiguration) {
+        bool builtIn = false;
+        if (deviceConfiguration->tryGetProperty(String8("keyboard.builtIn"), builtIn)
+                && builtIn) {
+            return true;
+        }
+    }
+
+    return strstr(deviceIdentifier.name.string(), "-keypad");
+}
+
+void setKeyboardProperties(int32_t deviceId,
+        const InputDeviceIdentifier& deviceIdentifier,
+        const String8& keyLayoutFile, const String8& keyCharacterMapFile) {
     char propName[PROPERTY_KEY_MAX];
     snprintf(propName, sizeof(propName), "hw.keyboards.%u.devname", deviceId);
-    property_set(propName, deviceName.string());
+    property_set(propName, deviceIdentifier.name.string());
     snprintf(propName, sizeof(propName), "hw.keyboards.%u.klfile", deviceId);
-    property_set(propName, keyMapInfo.keyLayoutFile.string());
+    property_set(propName, keyLayoutFile.string());
     snprintf(propName, sizeof(propName), "hw.keyboards.%u.kcmfile", deviceId);
-    property_set(propName, keyMapInfo.keyCharacterMapFile.string());
+    property_set(propName, keyCharacterMapFile.string());
 }
 
 void clearKeyboardProperties(int32_t deviceId) {
@@ -126,29 +196,24 @@
 }
 
 status_t getKeyCharacterMapFile(int32_t deviceId, String8& outKeyCharacterMapFile) {
-    if (deviceId == DEVICE_ID_VIRTUAL_KEYBOARD) {
-        outKeyCharacterMapFile.setTo(getInputDeviceConfigurationFilePath(String8("Virtual"),
-                INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_CHARACTER_MAP));
-        if (!outKeyCharacterMapFile.isEmpty()) {
+    if (deviceId != DEVICE_ID_VIRTUAL_KEYBOARD) {
+        char propName[PROPERTY_KEY_MAX];
+        char fn[PROPERTY_VALUE_MAX];
+        snprintf(propName, sizeof(propName), "hw.keyboards.%u.kcmfile", deviceId);
+        if (property_get(propName, fn, "") > 0) {
+            outKeyCharacterMapFile.setTo(fn);
             return OK;
         }
     }
 
-    char propName[PROPERTY_KEY_MAX];
-    char fn[PROPERTY_VALUE_MAX];
-    snprintf(propName, sizeof(propName), "hw.keyboards.%u.kcmfile", deviceId);
-    if (property_get(propName, fn, "") > 0) {
-        outKeyCharacterMapFile.setTo(fn);
-        return OK;
-    }
-
-    outKeyCharacterMapFile.setTo(getInputDeviceConfigurationFilePath(String8("Generic"),
+    // Default to Virtual since the keyboard does not appear to be installed.
+    outKeyCharacterMapFile.setTo(getInputDeviceConfigurationFilePathByName(String8("Virtual"),
             INPUT_DEVICE_CONFIGURATION_FILE_TYPE_KEY_CHARACTER_MAP));
     if (!outKeyCharacterMapFile.isEmpty()) {
         return OK;
     }
 
-    LOGE("Can't find any key character map files (also tried Virtual and Generic key maps)");
+    LOGE("Can't find any key character map files including the Virtual key map!");
     return NAME_NOT_FOUND;
 }
 
diff --git a/libs/ui/VirtualKeyMap.cpp b/libs/ui/VirtualKeyMap.cpp
new file mode 100644
index 0000000..e756cdd
--- /dev/null
+++ b/libs/ui/VirtualKeyMap.cpp
@@ -0,0 +1,171 @@
+/*
+ * Copyright (C) 2010 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.
+ */
+
+#define LOG_TAG "VirtualKeyMap"
+
+#include <stdlib.h>
+#include <string.h>
+#include <ui/VirtualKeyMap.h>
+#include <utils/Log.h>
+#include <utils/Errors.h>
+#include <utils/Tokenizer.h>
+#include <utils/Timers.h>
+
+// Enables debug output for the parser.
+#define DEBUG_PARSER 0
+
+// Enables debug output for parser performance.
+#define DEBUG_PARSER_PERFORMANCE 0
+
+
+namespace android {
+
+static const char* WHITESPACE = " \t\r";
+static const char* WHITESPACE_OR_FIELD_DELIMITER = " \t\r:";
+
+
+// --- VirtualKeyMap ---
+
+VirtualKeyMap::VirtualKeyMap() {
+}
+
+VirtualKeyMap::~VirtualKeyMap() {
+}
+
+status_t VirtualKeyMap::load(const String8& filename, VirtualKeyMap** outMap) {
+    *outMap = NULL;
+
+    Tokenizer* tokenizer;
+    status_t status = Tokenizer::open(filename, &tokenizer);
+    if (status) {
+        LOGE("Error %d opening virtual key map file %s.", status, filename.string());
+    } else {
+        VirtualKeyMap* map = new VirtualKeyMap();
+        if (!map) {
+            LOGE("Error allocating virtual key map.");
+            status = NO_MEMORY;
+        } else {
+#if DEBUG_PARSER_PERFORMANCE
+            nsecs_t startTime = systemTime(SYSTEM_TIME_MONOTONIC);
+#endif
+            Parser parser(map, tokenizer);
+            status = parser.parse();
+#if DEBUG_PARSER_PERFORMANCE
+            nsecs_t elapsedTime = systemTime(SYSTEM_TIME_MONOTONIC) - startTime;
+            LOGD("Parsed key character map file '%s' %d lines in %0.3fms.",
+                    tokenizer->getFilename().string(), tokenizer->getLineNumber(),
+                    elapsedTime / 1000000.0);
+#endif
+            if (status) {
+                delete map;
+            } else {
+                *outMap = map;
+            }
+        }
+        delete tokenizer;
+    }
+    return status;
+}
+
+
+// --- VirtualKeyMap::Parser ---
+
+VirtualKeyMap::Parser::Parser(VirtualKeyMap* map, Tokenizer* tokenizer) :
+        mMap(map), mTokenizer(tokenizer) {
+}
+
+VirtualKeyMap::Parser::~Parser() {
+}
+
+status_t VirtualKeyMap::Parser::parse() {
+    while (!mTokenizer->isEof()) {
+#if DEBUG_PARSER
+        LOGD("Parsing %s: '%s'.", mTokenizer->getLocation().string(),
+                mTokenizer->peekRemainderOfLine().string());
+#endif
+
+        mTokenizer->skipDelimiters(WHITESPACE);
+
+        if (!mTokenizer->isEol() && mTokenizer->peekChar() != '#') {
+            // Multiple keys can appear on one line or they can be broken up across multiple lines.
+            do {
+                String8 token = mTokenizer->nextToken(WHITESPACE_OR_FIELD_DELIMITER);
+                if (token != "0x01") {
+                    LOGE("%s: Unknown virtual key type, expected 0x01.",
+                          mTokenizer->getLocation().string());
+                    return BAD_VALUE;
+                }
+
+                VirtualKeyDefinition defn;
+                bool success = parseNextIntField(&defn.scanCode)
+                        && parseNextIntField(&defn.centerX)
+                        && parseNextIntField(&defn.centerY)
+                        && parseNextIntField(&defn.width)
+                        && parseNextIntField(&defn.height);
+                if (!success) {
+                    LOGE("%s: Expected 5 colon-delimited integers in virtual key definition.",
+                          mTokenizer->getLocation().string());
+                    return BAD_VALUE;
+                }
+
+#if DEBUG_PARSER
+                LOGD("Parsed virtual key: scanCode=%d, centerX=%d, centerY=%d, "
+                        "width=%d, height=%d",
+                        defn.scanCode, defn.centerX, defn.centerY, defn.width, defn.height);
+#endif
+                mMap->mVirtualKeys.push(defn);
+            } while (consumeFieldDelimiterAndSkipWhitespace());
+
+            if (!mTokenizer->isEol()) {
+                LOGE("%s: Expected end of line, got '%s'.",
+                        mTokenizer->getLocation().string(),
+                        mTokenizer->peekRemainderOfLine().string());
+                return BAD_VALUE;
+            }
+        }
+
+        mTokenizer->nextLine();
+    }
+
+    return NO_ERROR;
+}
+
+bool VirtualKeyMap::Parser::consumeFieldDelimiterAndSkipWhitespace() {
+    mTokenizer->skipDelimiters(WHITESPACE);
+    if (mTokenizer->peekChar() == ':') {
+        mTokenizer->nextChar();
+        mTokenizer->skipDelimiters(WHITESPACE);
+        return true;
+    }
+    return false;
+}
+
+bool VirtualKeyMap::Parser::parseNextIntField(int32_t* outValue) {
+    if (!consumeFieldDelimiterAndSkipWhitespace()) {
+        return false;
+    }
+
+    String8 token = mTokenizer->nextToken(WHITESPACE_OR_FIELD_DELIMITER);
+    char* end;
+    *outValue = strtol(token.string(), &end, 0);
+    if (token.isEmpty() || *end != '\0') {
+        LOGE("Expected an integer, got '%s'.", token.string());
+        return false;
+    }
+    return true;
+}
+
+} // namespace android
diff --git a/libs/ui/tests/InputReader_test.cpp b/libs/ui/tests/InputReader_test.cpp
index 05bebc5..d6c2cbd 100644
--- a/libs/ui/tests/InputReader_test.cpp
+++ b/libs/ui/tests/InputReader_test.cpp
@@ -42,7 +42,6 @@
     KeyedVector<int32_t, DisplayInfo> mDisplayInfos;
     bool mFilterTouchEvents;
     bool mFilterJumpyTouchEvents;
-    KeyedVector<String8, Vector<VirtualKeyDefinition> > mVirtualKeyDefinitions;
     Vector<String8> mExcludedDeviceNames;
 
 protected:
@@ -75,15 +74,6 @@
         mFilterJumpyTouchEvents = enabled;
     }
 
-    void addVirtualKeyDefinition(const String8& deviceName,
-            const VirtualKeyDefinition& definition) {
-        if (mVirtualKeyDefinitions.indexOfKey(deviceName) < 0) {
-            mVirtualKeyDefinitions.add(deviceName, Vector<VirtualKeyDefinition>());
-        }
-
-        mVirtualKeyDefinitions.editValueFor(deviceName).push(definition);
-    }
-
     void addExcludedDeviceName(const String8& deviceName) {
         mExcludedDeviceNames.push(deviceName);
     }
@@ -116,14 +106,6 @@
         return mFilterJumpyTouchEvents;
     }
 
-    virtual void getVirtualKeyDefinitions(const String8& deviceName,
-            Vector<VirtualKeyDefinition>& outVirtualKeyDefinitions) {
-        ssize_t index = mVirtualKeyDefinitions.indexOfKey(deviceName);
-        if (index >= 0) {
-            outVirtualKeyDefinitions.appendVector(mVirtualKeyDefinitions.valueAt(index));
-        }
-    }
-
     virtual void getExcludedDeviceNames(Vector<String8>& outExcludedDeviceNames) {
         outExcludedDeviceNames.appendVector(mExcludedDeviceNames);
     }
@@ -355,6 +337,7 @@
         KeyedVector<int32_t, int32_t> switchStates;
         KeyedVector<int32_t, KeyInfo> keys;
         KeyedVector<int32_t, bool> leds;
+        Vector<VirtualKeyDefinition> virtualKeys;
 
         Device(const String8& name, uint32_t classes) :
                 name(name), classes(classes) {
@@ -448,6 +431,11 @@
         return mExcludedDevices;
     }
 
+    void addVirtualKeyDefinition(int32_t deviceId, const VirtualKeyDefinition& definition) {
+        Device* device = getDevice(deviceId);
+        device->virtualKeys.push(definition);
+    }
+
     void enqueueEvent(nsecs_t when, int32_t deviceId, int32_t type,
             int32_t scanCode, int32_t keyCode, int32_t value, uint32_t flags) {
         RawEvent event;
@@ -603,6 +591,16 @@
         }
     }
 
+    virtual void getVirtualKeyDefinitions(int32_t deviceId,
+            Vector<VirtualKeyDefinition>& outVirtualKeys) const {
+        outVirtualKeys.clear();
+
+        Device* device = getDevice(deviceId);
+        if (device) {
+            outVirtualKeys.appendVector(device->virtualKeys);
+        }
+    }
+
     virtual void dump(String8& dump) {
     }
 };
@@ -2147,8 +2145,8 @@
 }
 
 void TouchInputMapperTest::prepareVirtualKeys() {
-    mFakePolicy->addVirtualKeyDefinition(String8(DEVICE_NAME), VIRTUAL_KEYS[0]);
-    mFakePolicy->addVirtualKeyDefinition(String8(DEVICE_NAME), VIRTUAL_KEYS[1]);
+    mFakeEventHub->addVirtualKeyDefinition(DEVICE_ID, VIRTUAL_KEYS[0]);
+    mFakeEventHub->addVirtualKeyDefinition(DEVICE_ID, VIRTUAL_KEYS[1]);
     mFakeEventHub->addKey(DEVICE_ID, KEY_HOME, AKEYCODE_HOME, POLICY_FLAG_WAKE);
     mFakeEventHub->addKey(DEVICE_ID, KEY_MENU, AKEYCODE_MENU, POLICY_FLAG_WAKE);
 }
diff --git a/libs/utils/FileMap.cpp b/libs/utils/FileMap.cpp
index e1ba9b2..f1f8bda 100644
--- a/libs/utils/FileMap.cpp
+++ b/libs/utils/FileMap.cpp
@@ -63,16 +63,18 @@
         free(mFileName);
     }
 #ifdef HAVE_POSIX_FILEMAP    
-    if (munmap(mBasePtr, mBaseLength) != 0) {
+    if (mBasePtr && munmap(mBasePtr, mBaseLength) != 0) {
         LOGD("munmap(%p, %d) failed\n", mBasePtr, (int) mBaseLength);
     }
 #endif
 #ifdef HAVE_WIN32_FILEMAP
-    if ( UnmapViewOfFile(mBasePtr) == 0) {
+    if (mBasePtr && UnmapViewOfFile(mBasePtr) == 0) {
         LOGD("UnmapViewOfFile(%p) failed, error = %ld\n", mBasePtr, 
               GetLastError() );
     }
-    CloseHandle(mFileMapping);
+    if (mFileMapping != INVALID_HANDLE_VALUE) {
+        CloseHandle(mFileMapping);
+    }
     CloseHandle(mFileHandle);
 #endif
 }
diff --git a/libs/utils/String8.cpp b/libs/utils/String8.cpp
index e531a2a..0bc5aff 100644
--- a/libs/utils/String8.cpp
+++ b/libs/utils/String8.cpp
@@ -195,6 +195,24 @@
     SharedBuffer::bufferFromData(mString)->release();
 }
 
+String8 String8::format(const char* fmt, ...)
+{
+    va_list args;
+    va_start(args, fmt);
+
+    String8 result(formatV(fmt, args));
+
+    va_end(args);
+    return result;
+}
+
+String8 String8::formatV(const char* fmt, va_list args)
+{
+    String8 result;
+    result.appendFormatV(fmt, args);
+    return result;
+}
+
 void String8::clear() {
     SharedBuffer::bufferFromData(mString)->release();
     mString = getEmptyString();
diff --git a/libs/utils/Tokenizer.cpp b/libs/utils/Tokenizer.cpp
index 9251973..b3445b7 100644
--- a/libs/utils/Tokenizer.cpp
+++ b/libs/utils/Tokenizer.cpp
@@ -35,16 +35,16 @@
     return strchr(delimiters, ch) != NULL;
 }
 
-
-Tokenizer::Tokenizer(const String8& filename, FileMap* fileMap,
-        const char* buffer, size_t length) :
-        mFilename(filename), mFileMap(fileMap), mBuffer(buffer), mLength(length),
-        mCurrent(buffer), mLineNumber(1) {
+Tokenizer::Tokenizer(const String8& filename, FileMap* fileMap, char* buffer, size_t length) :
+        mFilename(filename), mFileMap(fileMap),
+        mBuffer(buffer), mLength(length), mCurrent(buffer), mLineNumber(1) {
 }
 
 Tokenizer::~Tokenizer() {
     if (mFileMap) {
         mFileMap->release();
+    } else {
+        delete[] mBuffer;
     }
 }
 
@@ -63,22 +63,33 @@
             LOGE("Error getting size of file '%s', %s.", filename.string(), strerror(errno));
         } else {
             size_t length = size_t(stat.st_size);
-            FileMap* fileMap = new FileMap();
-            if (!fileMap->create(NULL, fd, 0, length, true)) {
-                result = NO_MEMORY;
-                LOGE("Error mapping file '%s', %s.", filename.string(), strerror(errno));
-            } else {
-                fileMap->advise(FileMap::SEQUENTIAL);
 
-                *outTokenizer = new Tokenizer(filename, fileMap,
-                        static_cast<const char*>(fileMap->getDataPtr()), length);
-                if (!*outTokenizer) {
-                    result = NO_MEMORY;
-                    LOGE("Error allocating tokenizer for file=%s.", filename.string());
+            FileMap* fileMap = new FileMap();
+            char* buffer;
+            if (fileMap->create(NULL, fd, 0, length, true)) {
+                fileMap->advise(FileMap::SEQUENTIAL);
+                buffer = static_cast<char*>(fileMap->getDataPtr());
+            } else {
+                fileMap->release();
+                fileMap = NULL;
+
+                // Fall back to reading into a buffer since we can't mmap files in sysfs.
+                // The length we obtained from stat is wrong too (it will always be 4096)
+                // so we must trust that read will read the entire file.
+                buffer = new char[length];
+                ssize_t nrd = read(fd, buffer, length);
+                if (nrd < 0) {
+                    result = -errno;
+                    LOGE("Error reading file '%s', %s.", filename.string(), strerror(errno));
+                    delete[] buffer;
+                    buffer = NULL;
+                } else {
+                    length = size_t(nrd);
                 }
             }
-            if (result) {
-                fileMap->release();
+
+            if (!result) {
+                *outTokenizer = new Tokenizer(filename, fileMap, buffer, length);
             }
         }
         close(fd);