eclair snapshot

23 files changed, 1272 insertions, 170 deletions

diff --git a/core/java/android/os/AsyncTask.java b/core/java/android/os/AsyncTask.java
index abfb274..7d2c698 100644
--- a/core/java/android/os/AsyncTask.java
+++ b/core/java/android/os/AsyncTask.java
@@ -413,6 +413,7 @@ public abstract class AsyncTask<Params, Progress, Result> {
     }
 
     private void finish(Result result) {
+        if (isCancelled()) result = null;
         onPostExecute(result);
         mStatus = Status.FINISHED;
     }
diff --git a/core/java/android/os/BatteryManager.java b/core/java/android/os/BatteryManager.java
index 8f1a756..44b73c5 100644
--- a/core/java/android/os/BatteryManager.java
+++ b/core/java/android/os/BatteryManager.java
@@ -18,10 +18,73 @@ package android.os;
 
 /**
  * The BatteryManager class contains strings and constants used for values
- * in the ACTION_BATTERY_CHANGED Intent.
+ * in the {@link android.content.Intent#ACTION_BATTERY_CHANGED} Intent.
  */
 public class BatteryManager {
-
+    /**
+     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
+     * integer containing the current status constant.
+     */
+    public static final String EXTRA_STATUS = "status";
+    
+    /**
+     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
+     * integer containing the current health constant.
+     */
+    public static final String EXTRA_HEALTH = "health";
+    
+    /**
+     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
+     * boolean indicating whether a battery is present.
+     */
+    public static final String EXTRA_PRESENT = "present";
+    
+    /**
+     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
+     * integer field containing the current battery level, from 0 to
+     * {@link #EXTRA_SCALE}.
+     */
+    public static final String EXTRA_LEVEL = "level";
+    
+    /**
+     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
+     * integer containing the maximum battery level.
+     */
+    public static final String EXTRA_SCALE = "scale";
+    
+    /**
+     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
+     * integer containing the resource ID of a small status bar icon
+     * indicating the current battery state.
+     */
+    public static final String EXTRA_ICON_SMALL = "icon-small";
+    
+    /**
+     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
+     * integer indicating whether the device is plugged in to a power
+     * source; 0 means it is on battery, other constants are different
+     * types of power sources.
+     */
+    public static final String EXTRA_PLUGGED = "plugged";
+    
+    /**
+     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
+     * integer containing the current battery voltage level.
+     */
+    public static final String EXTRA_VOLTAGE = "voltage";
+    
+    /**
+     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
+     * integer containing the current battery temperature.
+     */
+    public static final String EXTRA_TEMPERATURE = "temperature";
+    
+    /**
+     * Extra for {@link android.content.Intent#ACTION_BATTERY_CHANGED}:
+     * String describing the technology of the current battery.
+     */
+    public static final String EXTRA_TECHNOLOGY = "technology";
+    
     // values for "status" field in the ACTION_BATTERY_CHANGED Intent
     public static final int BATTERY_STATUS_UNKNOWN = 1;
     public static final int BATTERY_STATUS_CHARGING = 2;
diff --git a/core/java/android/os/BatteryStats.java b/core/java/android/os/BatteryStats.java
index e203fd5..b706c5c 100644
--- a/core/java/android/os/BatteryStats.java
+++ b/core/java/android/os/BatteryStats.java
@@ -130,6 +130,7 @@ public abstract class BatteryStats implements Parcelable {
     private static final String MISC_DATA = "m";
     private static final String SCREEN_BRIGHTNESS_DATA = "br";
     private static final String SIGNAL_STRENGTH_TIME_DATA = "sgt";
+    private static final String SIGNAL_SCANNING_TIME_DATA = "sst";
     private static final String SIGNAL_STRENGTH_COUNT_DATA = "sgc";
     private static final String DATA_CONNECTION_TIME_DATA = "dct";
     private static final String DATA_CONNECTION_COUNT_DATA = "dcc";
@@ -314,6 +315,15 @@ public abstract class BatteryStats implements Parcelable {
              * @return foreground cpu time in microseconds
              */
             public abstract long getForegroundTime(int which);
+
+            /**
+             * Returns the approximate cpu time spent in microseconds, at a certain CPU speed.
+             * @param speedStep the index of the CPU speed. This is not the actual speed of the
+             * CPU.
+             * @param which one of STATS_TOTAL, STATS_LAST, STATS_CURRENT or STATS_UNPLUGGED
+             * @see BatteryStats#getCpuSpeedSteps()
+             */
+            public abstract long getTimeAtCpuSpeedStep(int speedStep, int which);
         }
 
         /**
@@ -431,6 +441,15 @@ public abstract class BatteryStats implements Parcelable {
             long batteryRealtime, int which);
 
     /**
+     * Returns the time in microseconds that the phone has been trying to
+     * acquire a signal.
+     *
+     * {@hide}
+     */
+    public abstract long getPhoneSignalScanningTime(
+            long batteryRealtime, int which);
+
+    /**
      * Returns the number of times the phone has entered the given signal strength.
      * 
      * {@hide}
@@ -573,6 +592,9 @@ public abstract class BatteryStats implements Parcelable {
     
     public abstract Map<String, ? extends Timer> getKernelWakelockStats();
 
+    /** Returns the number of different speeds that the CPU can run at */
+    public abstract int getCpuSpeedSteps();
+
     private final static void formatTimeRaw(StringBuilder out, long seconds) {
         long days = seconds / (60 * 60 * 24);
         if (days != 0) {
@@ -811,6 +833,8 @@ public abstract class BatteryStats implements Parcelable {
             args[i] = getPhoneSignalStrengthTime(i, batteryRealtime, which) / 1000;
         }
         dumpLine(pw, 0 /* uid */, category, SIGNAL_STRENGTH_TIME_DATA, args);
+        dumpLine(pw, 0 /* uid */, category, SIGNAL_SCANNING_TIME_DATA,
+                getPhoneSignalScanningTime(batteryRealtime, which) / 1000);
         for (int i=0; i<NUM_SIGNAL_STRENGTH_BINS; i++) {
             args[i] = getPhoneSignalStrengthCount(i, which);
         }
@@ -1118,7 +1142,13 @@ public abstract class BatteryStats implements Parcelable {
         }
         if (!didOne) sb.append("No activity");
         pw.println(sb.toString());
-        
+
+        sb.setLength(0);
+        sb.append(prefix);
+        sb.append("  Signal scanning time: ");
+        formatTimeMs(sb, getPhoneSignalScanningTime(batteryRealtime, which) / 1000);
+        pw.println(sb.toString());
+
         sb.setLength(0);
         sb.append(prefix);
         sb.append("  Radio types: ");
diff --git a/core/java/android/os/Build.java b/core/java/android/os/Build.java
index 1775a4b..d4aaba3 100644
--- a/core/java/android/os/Build.java
+++ b/core/java/android/os/Build.java
@@ -70,6 +70,7 @@ public class Build {
          * 
          * @deprecated Use {@link #SDK_INT} to easily get this as an integer.
          */
+        @Deprecated
         public static final String SDK = getString("ro.build.version.sdk");
 
         /**
@@ -102,16 +103,19 @@ public class Build {
          * October 2008: The original, first, version of Android.  Yay!
          */
         public static final int BASE = 1;
+        
         /**
          * February 2009: First Android update, officially called 1.1.
          */
         public static final int BASE_1_1 = 2;
+        
         /**
          * May 2009: Android 1.5.
          */
         public static final int CUPCAKE = 3;
+        
         /**
-         * Current work on "Donut" development branch.
+         * September 2009: Android 1.6.
          * 
          * <p>Applications targeting this or a later release will get these
          * new changes in behavior:</p>
@@ -132,6 +136,31 @@ public class Build {
          * </ul>
          */
         public static final int DONUT = 4;
+        
+        /**
+         * November 2009: Android 2.0
+         * 
+         * <p>Applications targeting this or a later release will get these
+         * new changes in behavior:</p>
+         * <ul>
+         * <li> The {@link android.app.Service#onStartCommand
+         * Service.onStartCommand} function will return the new
+         * {@link android.app.Service#START_STICKY} behavior instead of the
+         * old compatibility {@link android.app.Service#START_STICKY_COMPATIBILITY}.
+         * <li> The {@link android.app.Activity} class will now execute back
+         * key presses on the key up instead of key down, to be able to detect
+         * canceled presses from virtual keys.
+         * <li> The {@link android.widget.TabWidget} class will use a new color scheme
+         * for tabs. In the new scheme, the foreground tab has a medium gray background
+         * the background tabs have a dark gray background.
+         * </ul>
+         */
+        public static final int ECLAIR = 5;
+        
+        /**
+         * Current work on Eclair MR1.
+         */
+        public static final int ECLAIR_MR1 = 6;
     }
     
     /** The type of build, like "user" or "eng". */
diff --git a/core/java/android/os/Debug.java b/core/java/android/os/Debug.java
index d40ea6b..b4f64b6 100644
--- a/core/java/android/os/Debug.java
+++ b/core/java/android/os/Debug.java
@@ -104,7 +104,7 @@ public final class Debug
      * This class is used to retrieved various statistics about the memory mappings for this
      * process. The returns info broken down by dalvik, native, and other. All results are in kB.
      */
-    public static class MemoryInfo {
+    public static class MemoryInfo implements Parcelable {
         /** The proportional set size for dalvik. */
         public int dalvikPss;
         /** The private dirty pages used by dalvik. */
@@ -125,6 +125,71 @@ public final class Debug
         public int otherPrivateDirty;
         /** The shared dirty pages used by everything else. */
         public int otherSharedDirty;
+        
+        public MemoryInfo() {
+        }
+
+        /**
+         * Return total PSS memory usage in kB.
+         */
+        public int getTotalPss() {
+            return dalvikPss + nativePss + otherPss;
+        }
+        
+        /**
+         * Return total private dirty memory usage in kB.
+         */
+        public int getTotalPrivateDirty() {
+            return dalvikPrivateDirty + nativePrivateDirty + otherPrivateDirty;
+        }
+        
+        /**
+         * Return total shared dirty memory usage in kB.
+         */
+        public int getTotalSharedDirty() {
+            return dalvikSharedDirty + nativeSharedDirty + otherSharedDirty;
+        }
+        
+        public int describeContents() {
+            return 0;
+        }
+
+        public void writeToParcel(Parcel dest, int flags) {
+            dest.writeInt(dalvikPss);
+            dest.writeInt(dalvikPrivateDirty);
+            dest.writeInt(dalvikSharedDirty);
+            dest.writeInt(nativePss);
+            dest.writeInt(nativePrivateDirty);
+            dest.writeInt(nativeSharedDirty);
+            dest.writeInt(otherPss);
+            dest.writeInt(otherPrivateDirty);
+            dest.writeInt(otherSharedDirty);
+        }
+
+        public void readFromParcel(Parcel source) {
+            dalvikPss = source.readInt();
+            dalvikPrivateDirty = source.readInt();
+            dalvikSharedDirty = source.readInt();
+            nativePss = source.readInt();
+            nativePrivateDirty = source.readInt();
+            nativeSharedDirty = source.readInt();
+            otherPss = source.readInt();
+            otherPrivateDirty = source.readInt();
+            otherSharedDirty = source.readInt();
+        }
+        
+        public static final Creator<MemoryInfo> CREATOR = new Creator<MemoryInfo>() {
+            public MemoryInfo createFromParcel(Parcel source) {
+                return new MemoryInfo(source);
+            }
+            public MemoryInfo[] newArray(int size) {
+                return new MemoryInfo[size];
+            }
+        };
+
+        private MemoryInfo(Parcel source) {
+            readFromParcel(source);
+        }
     }
 
 
@@ -556,6 +621,13 @@ href="{@docRoot}guide/developing/tools/traceview.html">Traceview: A Graphical Lo
     public static native void getMemoryInfo(MemoryInfo memoryInfo);
 
     /**
+     * Note: currently only works when the requested pid has the same UID
+     * as the caller.
+     * @hide
+     */
+    public static native void getMemoryInfo(int pid, MemoryInfo memoryInfo);
+
+    /**
      * Establish an object allocation limit in the current thread.  Useful
      * for catching regressions in code that is expected to operate
      * without causing any allocations.
@@ -662,6 +734,25 @@ href="{@docRoot}guide/developing/tools/traceview.html">Traceview: A Graphical Lo
     public static final native int getBinderDeathObjectCount();
 
     /**
+     * Primes the register map cache.
+     *
+     * Only works for classes in the bootstrap class loader.  Does not
+     * cause classes to be loaded if they're not already present.
+     *
+     * The classAndMethodDesc argument is a concatentation of the VM-internal
+     * class descriptor, method name, and method descriptor.  Examples:
+     *     Landroid/os/Looper;.loop:()V
+     *     Landroid/app/ActivityThread;.main:([Ljava/lang/String;)V
+     *
+     * @param classAndMethodDesc the method to prepare
+     *
+     * @hide
+     */
+    public static final boolean cacheRegisterMap(String classAndMethodDesc) {
+        return VMDebug.cacheRegisterMap(classAndMethodDesc);
+    }
+
+    /**
      * API for gathering and querying instruction counts.
      *
      * Example usage:
diff --git a/core/java/android/os/Exec.java b/core/java/android/os/Exec.java
deleted file mode 100644
index a50d5fe..0000000
--- a/core/java/android/os/Exec.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2007 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.
- */
-
-package android.os;
-
-import java.io.FileDescriptor;
-
-/**
- * @hide
- * Tools for executing commands.  Not for public consumption.
- */
-
-public class Exec
-{
-    /**
-     * @param cmd The command to execute
-     * @param arg0 The first argument to the command, may be null
-     * @param arg1 the second argument to the command, may be null
-     * @return the file descriptor of the started process.
-     * 
-     */
-    public static FileDescriptor createSubprocess(
-        String cmd, String arg0, String arg1) {
-        return createSubprocess(cmd, arg0, arg1, null);
-    }
-    
-    /**
-     * @param cmd The command to execute
-     * @param arg0 The first argument to the command, may be null
-     * @param arg1 the second argument to the command, may be null
-     * @param processId A one-element array to which the process ID of the
-     * started process will be written.
-     * @return the file descriptor of the started process.
-     * 
-     */
-     public static native FileDescriptor createSubprocess(
-        String cmd, String arg0, String arg1, int[] processId);
-    
-     public static native void setPtyWindowSize(FileDescriptor fd,
-       int row, int col, int xpixel, int ypixel);
-    /**
-     * Causes the calling thread to wait for the process associated with the
-     * receiver to finish executing.
-     * 
-     * @return The exit value of the Process being waited on
-     * 
-     */
-    public static native int waitFor(int processId);
-}
-
diff --git a/core/java/android/os/FileObserver.java b/core/java/android/os/FileObserver.java
index d9804ea..38d252e 100644
--- a/core/java/android/os/FileObserver.java
+++ b/core/java/android/os/FileObserver.java
@@ -25,22 +25,35 @@ import java.util.ArrayList;
 import java.util.HashMap;
 
 public abstract class FileObserver {
-    public static final int ACCESS = 0x00000001; /* File was accessed */
-    public static final int MODIFY = 0x00000002; /* File was modified */
-    public static final int ATTRIB = 0x00000004; /* Metadata changed */
-    public static final int CLOSE_WRITE = 0x00000008; /*  Writtable file was  closed */
-    public static final int CLOSE_NOWRITE = 0x00000010; /* Unwrittable file closed */
-    public static final int OPEN = 0x00000020; /* File was opened */
-    public static final int MOVED_FROM = 0x00000040; /* File was moved from X */
-    public static final int MOVED_TO = 0x00000080; /* File was moved to Y */
-    public static final int CREATE = 0x00000100; /* Subfile was created */
-    public static final int DELETE = 0x00000200; /* Subfile was deleted */
-    public static final int DELETE_SELF = 0x00000400; /* Self was deleted */
-    public static final int MOVE_SELF = 0x00000800; /* Self was moved */
+    /** File was accessed */
+    public static final int ACCESS = 0x00000001;
+    /** File was modified */
+    public static final int MODIFY = 0x00000002;
+    /** Metadata changed */
+    public static final int ATTRIB = 0x00000004;
+    /** Writable file was closed */
+    public static final int CLOSE_WRITE = 0x00000008;
+    /** Unwrittable file closed */
+    public static final int CLOSE_NOWRITE = 0x00000010;
+    /** File was opened */
+    public static final int OPEN = 0x00000020;
+    /** File was moved from X */
+    public static final int MOVED_FROM = 0x00000040;
+    /** File was moved to Y */
+    public static final int MOVED_TO = 0x00000080;
+    /** Subfile was created */
+    public static final int CREATE = 0x00000100;
+    /** Subfile was deleted */
+    public static final int DELETE = 0x00000200;
+    /** Self was deleted */
+    public static final int DELETE_SELF = 0x00000400;
+    /** Self was moved */
+    public static final int MOVE_SELF = 0x00000800;
+
     public static final int ALL_EVENTS = ACCESS | MODIFY | ATTRIB | CLOSE_WRITE 
             | CLOSE_NOWRITE | OPEN | MOVED_FROM | MOVED_TO | DELETE | CREATE
 	    | DELETE_SELF | MOVE_SELF;
-    
+
     private static final String LOG_TAG = "FileObserver";
 
     private static class ObserverThread extends Thread {
diff --git a/core/java/android/os/HandlerStateMachine.java b/core/java/android/os/HandlerStateMachine.java
index d004a25..9e7902b 100644
--- a/core/java/android/os/HandlerStateMachine.java
+++ b/core/java/android/os/HandlerStateMachine.java
@@ -56,22 +56,22 @@ import android.util.LogPrinter;
         }
 
         class S1 extends HandlerState {
-            @Override public void enter(Message message) {
+            &amp;#064;Override public void enter(Message message) {
             }
 
-            @Override public void processMessage(Message message) {
+            &amp;#064;Override public void processMessage(Message message) {
                 deferMessage(message);
                 if (message.what == TEST_WHAT_2) {
                     transitionTo(mS2);
                 }
             }
 
-            @Override public void exit(Message message) {
+            &amp;#064;Override public void exit(Message message) {
             }
         }
 
         class S2 extends HandlerState {
-            @Override public void processMessage(Message message) {
+            &amp;#064;Override public void processMessage(Message message) {
                 // Do some processing
                 if (message.what == TEST_WHAT_2) {
                     transtionTo(mS1);
diff --git a/core/java/android/os/HandlerThread.java b/core/java/android/os/HandlerThread.java
index 0ce86db..65301e4 100644
--- a/core/java/android/os/HandlerThread.java
+++ b/core/java/android/os/HandlerThread.java
@@ -64,7 +64,7 @@ public class HandlerThread extends Thread {
     /**
      * This method returns the Looper associated with this thread. If this thread not been started
      * or for any reason is isAlive() returns false, this method will return null. If this thread 
-     * has been started, this method will blocked until the looper has been initialized.  
+     * has been started, this method will block until the looper has been initialized.  
      * @return The looper.
      */
     public Looper getLooper() {
@@ -85,6 +85,21 @@ public class HandlerThread extends Thread {
     }
     
     /**
+     * Ask the currently running looper to quit.  If the thread has not
+     * been started or has finished (that is if {@link #getLooper} returns
+     * null), then false is returned.  Otherwise the looper is asked to
+     * quit and true is returned.
+     */
+    public boolean quit() {
+        Looper looper = getLooper();
+        if (looper != null) {
+            looper.quit();
+            return true;
+        }
+        return false;
+    }
+    
+    /**
      * Returns the identifier of this thread. See Process.myTid().
      */
     public int getThreadId() {
diff --git a/core/java/android/os/IHardwareService.aidl b/core/java/android/os/IHardwareService.aidl
index fb121bb..34f30a7 100755
--- a/core/java/android/os/IHardwareService.aidl
+++ b/core/java/android/os/IHardwareService.aidl
@@ -1,16 +1,16 @@
 /**
  * Copyright (c) 2007, 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 
+ * 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 
+ *     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 
+ * 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.
  */
 
@@ -20,19 +20,16 @@ package android.os;
 interface IHardwareService
 {
     // Vibrator support
-    void vibrate(long milliseconds);
+    void vibrate(long milliseconds, IBinder token);
     void vibratePattern(in long[] pattern, int repeat, IBinder token);
-    void cancelVibrate();
-    
+    void cancelVibrate(IBinder token);
+
     // flashlight support
     boolean getFlashlightEnabled();
     void setFlashlightEnabled(boolean on);
     void enableCameraFlash(int milliseconds);
-    
-    // sets the brightness of the backlights (screen, keyboard, button) 0-255
-    void setBacklights(int brightness);
 
     // for the phone
-    void setAttentionLight(boolean on);
+    void setAttentionLight(boolean on, int color);
 }
 
diff --git a/core/java/android/os/IPowerManager.aidl b/core/java/android/os/IPowerManager.aidl
index 5486920..bcf769d 100644
--- a/core/java/android/os/IPowerManager.aidl
+++ b/core/java/android/os/IPowerManager.aidl
@@ -26,8 +26,13 @@ interface IPowerManager
     void userActivity(long when, boolean noChangeLights);
     void userActivityWithForce(long when, boolean noChangeLights, boolean force);
     void setPokeLock(int pokey, IBinder lock, String tag);
+    int getSupportedWakeLockFlags();
     void setStayOnSetting(int val);
     long getScreenOnTime();
     void preventScreenOn(boolean prevent);
     void setScreenBrightnessOverride(int brightness);
+    boolean isScreenOn();
+
+    // sets the brightness of the backlights (screen, keyboard, button) 0-255
+    void setBacklightBrightness(int brightness);
 }
diff --git a/core/java/android/os/LatencyTimer.java b/core/java/android/os/LatencyTimer.java
new file mode 100644
index 0000000..ed2f0f9e
--- /dev/null
+++ b/core/java/android/os/LatencyTimer.java
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.os;
+
+import android.util.Log;
+
+import java.util.HashMap;
+
+/**
+ * A class to help with measuring latency in your code.
+ * 
+ * Suggested usage:
+ * 1) Instanciate a LatencyTimer as a class field.
+ *      private [static] LatencyTimer mLt = new LatencyTimer(100, 1000);
+ * 2) At various points in the code call sample with a string and the time delta to some fixed time.
+ *    The string should be unique at each point of the code you are measuring.
+ *      mLt.sample("before processing event", System.nanoTime() - event.getEventTimeNano());
+ *      processEvent(event);
+ *      mLt.sample("after processing event ", System.nanoTime() - event.getEventTimeNano());
+ *
+ * @hide
+ */
+public final class LatencyTimer
+{
+    final String TAG = "LatencyTimer";
+    final int mSampleSize;
+    final int mScaleFactor;
+    volatile HashMap<String, long[]> store = new HashMap<String, long[]>();
+
+    /**
+    * Creates a LatencyTimer object
+    * @param sampleSize number of samples to collect before printing out the average
+    * @param scaleFactor divisor used to make each sample smaller to prevent overflow when
+    *        (sampleSize * average sample value)/scaleFactor > Long.MAX_VALUE
+    */
+    public LatencyTimer(int sampleSize, int scaleFactor) {
+        if (scaleFactor == 0) {
+            scaleFactor = 1;
+        }
+        mScaleFactor = scaleFactor;
+        mSampleSize = sampleSize;
+    }
+
+    /**
+     * Add a sample delay for averaging.
+     * @param tag string used for printing out the result. This should be unique at each point of
+     *  this called.
+     * @param delta time difference from an unique point of reference for a particular iteration
+     */
+    public void sample(String tag, long delta) {
+        long[] array = getArray(tag);
+
+        // array[mSampleSize] holds the number of used entries
+        final int index = (int) array[mSampleSize]++;
+        array[index] = delta;
+        if (array[mSampleSize] == mSampleSize) {
+            long totalDelta = 0;
+            for (long d : array) {
+                totalDelta += d/mScaleFactor;
+            }
+            array[mSampleSize] = 0;
+            Log.i(TAG, tag + " average = " + totalDelta / mSampleSize);
+        }
+    }
+
+    private long[] getArray(String tag) {
+        long[] data = store.get(tag);
+        if (data == null) {
+            synchronized(store) {
+                data = store.get(tag);
+                if (data == null) {
+                    data = new long[mSampleSize + 1];
+                    store.put(tag, data);
+                    data[mSampleSize] = 0;
+                }
+            }
+        }
+        return data;
+    }
+}
diff --git a/core/java/android/os/MemoryFile.java b/core/java/android/os/MemoryFile.java
index c14925c..03542dd 100644
--- a/core/java/android/os/MemoryFile.java
+++ b/core/java/android/os/MemoryFile.java
@@ -52,7 +52,7 @@ public class MemoryFile
     private static native void native_write(FileDescriptor fd, int address, byte[] buffer,
             int srcOffset, int destOffset, int count, boolean isUnpinned) throws IOException;
     private static native void native_pin(FileDescriptor fd, boolean pin) throws IOException;
-    private static native boolean native_is_ashmem_region(FileDescriptor fd) throws IOException;
+    private static native int native_get_mapped_size(FileDescriptor fd) throws IOException;
 
     private FileDescriptor mFD;        // ashmem file descriptor
     private int mAddress;   // address of ashmem memory
@@ -300,7 +300,20 @@ public class MemoryFile
      * @hide
      */
     public static boolean isMemoryFile(FileDescriptor fd) throws IOException {
-        return native_is_ashmem_region(fd);
+        return (native_get_mapped_size(fd) >= 0);
+    }
+
+    /**
+     * Returns the size of the memory file, rounded up to a page boundary, that
+     * the file descriptor refers to, or -1 if the file descriptor does not
+     * refer to a memory file.
+     *
+     * @throws IOException If <code>fd</code> is not a valid file descriptor.
+     *
+     * @hide
+     */
+    public static int getMappedSize(FileDescriptor fd) throws IOException {
+        return native_get_mapped_size(fd);
     }
 
     /**
diff --git a/core/java/android/os/ParcelUuid.aidl b/core/java/android/os/ParcelUuid.aidl
new file mode 100644
index 0000000..f7e080a
--- /dev/null
+++ b/core/java/android/os/ParcelUuid.aidl
@@ -0,0 +1,19 @@
+/*
+** Copyright 2009, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+package android.os;
+
+parcelable ParcelUuid;
diff --git a/core/java/android/os/ParcelUuid.java b/core/java/android/os/ParcelUuid.java
new file mode 100644
index 0000000..88fcfc5
--- /dev/null
+++ b/core/java/android/os/ParcelUuid.java
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.os;
+
+import java.util.UUID;
+
+/**
+ * This class is a Parcelable wrapper around {@link UUID} which is an
+ * immutable representation of a 128-bit universally unique
+ * identifier.
+ */
+public final class ParcelUuid implements Parcelable {
+
+    private final UUID mUuid;
+
+    /**
+     * Constructor creates a ParcelUuid instance from the
+     * given {@link UUID}.
+     *
+     * @param uuid UUID
+     */
+    public ParcelUuid(UUID uuid) {
+        mUuid = uuid;
+    }
+
+    /**
+     * Creates a new ParcelUuid from a string representation of {@link UUID}.
+     *
+     * @param uuid
+     *            the UUID string to parse.
+     * @return an ParcelUuid instance.
+     * @throws NullPointerException
+     *             if {@code uuid} is {@code null}.
+     * @throws IllegalArgumentException
+     *             if {@code uuid} is not formatted correctly.
+     */
+    public static ParcelUuid fromString(String uuid) {
+        return new ParcelUuid(UUID.fromString(uuid));
+    }
+
+    /**
+     * Get the {@link UUID} represented by the ParcelUuid.
+     *
+     * @return UUID contained in the ParcelUuid.
+     */
+    public UUID getUuid() {
+        return mUuid;
+    }
+
+    /**
+     * Returns a string representation of the ParcelUuid
+     * For example: 0000110B-0000-1000-8000-00805F9B34FB will be the return value.
+     *
+     * @return a String instance.
+     */
+    @Override
+    public String toString() {
+        return mUuid.toString();
+    }
+
+
+   @Override
+   public int hashCode() {
+       return mUuid.hashCode();
+   }
+
+   /**
+    * Compares this ParcelUuid to another object for equality. If {@code object}
+    * is not {@code null}, is a ParcelUuid instance, and all bits are equal, then
+    * {@code true} is returned.
+    *
+    * @param object
+    *            the {@code Object} to compare to.
+    * @return {@code true} if this ParcelUuid is equal to {@code object}
+    *         or {@code false} if not.
+    */
+   @Override
+   public boolean equals(Object object) {
+       if (object == null) {
+           return false;
+       }
+
+       if (this == object) {
+           return true;
+       }
+
+       if (!(object instanceof ParcelUuid)) {
+           return false;
+       }
+
+       ParcelUuid that = (ParcelUuid) object;
+
+       return (this.mUuid.equals(that.mUuid));
+   }
+
+   public static final Parcelable.Creator<ParcelUuid> CREATOR =
+               new Parcelable.Creator<ParcelUuid>() {
+        public ParcelUuid createFromParcel(Parcel source) {
+            long mostSigBits = source.readLong();
+            long leastSigBits = source.readLong();
+            UUID uuid = new UUID(mostSigBits, leastSigBits);
+            return new ParcelUuid(uuid);
+        }
+
+        public ParcelUuid[] newArray(int size) {
+            return new ParcelUuid[size];
+        }
+    };
+
+    public int describeContents() {
+        return 0;
+    }
+
+    public void writeToParcel(Parcel dest, int flags) {
+        dest.writeLong(mUuid.getMostSignificantBits());
+        dest.writeLong(mUuid.getLeastSignificantBits());
+    }
+}
diff --git a/core/java/android/os/Parcelable.java b/core/java/android/os/Parcelable.java
index aee1e0b..0a4b60f 100644
--- a/core/java/android/os/Parcelable.java
+++ b/core/java/android/os/Parcelable.java
@@ -28,13 +28,17 @@ package android.os;
  * <pre>
  * public class MyParcelable implements Parcelable {
  *     private int mData;
- *     
+ *
+ *     public int describeContents() {
+ *         return 0;
+ *     }
+ *
  *     public void writeToParcel(Parcel out, int flags) {
  *         out.writeInt(mData);
  *     }
  *
- *     public static final Parcelable.Creator<MyParcelable> CREATOR
- *             = new Parcelable.Creator<MyParcelable>() {
+ *     public static final Parcelable.Creator&lt;MyParcelable&gt; CREATOR
+ *             = new Parcelable.Creator&lt;MyParcelable&gt;() {
  *         public MyParcelable createFromParcel(Parcel in) {
  *             return new MyParcelable(in);
  *         }
@@ -42,7 +46,7 @@ package android.os;
  *         public MyParcelable[] newArray(int size) {
  *             return new MyParcelable[size];
  *         }
- *     }
+ *     };
  *     
  *     private MyParcelable(Parcel in) {
  *         mData = in.readInt();
diff --git a/core/java/android/os/PerformanceCollector.java b/core/java/android/os/PerformanceCollector.java
new file mode 100644
index 0000000..be1cf6d
--- /dev/null
+++ b/core/java/android/os/PerformanceCollector.java
@@ -0,0 +1,587 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package android.os;
+
+
+import java.util.ArrayList;
+
+/**
+ * Collects performance data between two function calls in Bundle objects and
+ * outputs the results using writer of type {@link PerformanceResultsWriter}.
+ * <p>
+ * {@link #beginSnapshot(String)} and {@link #endSnapshot()} functions collect
+ * memory usage information and measure runtime between calls to begin and end.
+ * These functions logically wrap around an entire test, and should be called
+ * with name of test as the label, e.g. EmailPerformanceTest.
+ * <p>
+ * {@link #startTiming(String)} and {@link #stopTiming(String)} functions
+ * measure runtime between calls to start and stop. These functions logically
+ * wrap around a single test case or a small block of code, and should be called
+ * with the name of test case as the label, e.g. testSimpleSendMailSequence.
+ * <p>
+ * {@link #addIteration(String)} inserts intermediate measurement point which
+ * can be labeled with a String, e.g. Launch email app, compose, send, etc.
+ * <p>
+ * Snapshot and timing functions do not interfere with each other, and thus can
+ * be called in any order. The intended structure is to wrap begin/endSnapshot
+ * around calls to start/stopTiming, for example:
+ * <p>
+ * <code>beginSnapshot("EmailPerformanceTest");
+ * startTiming("testSimpleSendSequence");
+ * addIteration("Launch email app");
+ * addIteration("Compose");
+ * stopTiming("Send");
+ * startTiming("testComplexSendSequence");
+ * stopTiming("");
+ * startTiming("testAddLabel");
+ * stopTiming("");
+ * endSnapshot();</code>
+ * <p>
+ * Structure of results output is up to implementor of
+ * {@link PerformanceResultsWriter }.
+ *
+ * {@hide} Pending approval for public API.
+ */
+public class PerformanceCollector {
+
+    /**
+     * Interface for reporting performance data.
+     */
+    public interface PerformanceResultsWriter {
+
+        /**
+         * Callback invoked as first action in
+         * PerformanceCollector#beginSnapshot(String) for reporting the start of
+         * a performance snapshot.
+         *
+         * @param label description of code block between beginSnapshot and
+         *              PerformanceCollector#endSnapshot()
+         * @see PerformanceCollector#beginSnapshot(String)
+         */
+        public void writeBeginSnapshot(String label);
+
+        /**
+         * Callback invoked as last action in PerformanceCollector#endSnapshot()
+         * for reporting performance data collected in the snapshot.
+         *
+         * @param results memory and runtime metrics stored as key/value pairs,
+         *        in the same structure as returned by
+         *        PerformanceCollector#endSnapshot()
+         * @see PerformanceCollector#endSnapshot()
+         */
+        public void writeEndSnapshot(Bundle results);
+
+        /**
+         * Callback invoked as first action in
+         * PerformanceCollector#startTiming(String) for reporting the start of
+         * a timing measurement.
+         *
+         * @param label description of code block between startTiming and
+         *              PerformanceCollector#stopTiming(String)
+         * @see PerformanceCollector#startTiming(String)
+         */
+        public void writeStartTiming(String label);
+
+        /**
+         * Callback invoked as last action in
+         * {@link PerformanceCollector#stopTiming(String)} for reporting the
+         * sequence of timings measured.
+         *
+         * @param results runtime metrics of code block between calls to
+         *                startTiming and stopTiming, in the same structure as
+         *                returned by PerformanceCollector#stopTiming(String)
+         * @see PerformanceCollector#stopTiming(String)
+         */
+        public void writeStopTiming(Bundle results);
+
+        /**
+         * Callback invoked as last action in
+         * {@link PerformanceCollector#addMeasurement(String, long)} for
+         * reporting an integer type measurement.
+         *
+         * @param label short description of the metric that was measured
+         * @param value long value of the measurement
+         */
+        public void writeMeasurement(String label, long value);
+
+        /**
+         * Callback invoked as last action in
+         * {@link PerformanceCollector#addMeasurement(String, float)} for
+         * reporting a float type measurement.
+         *
+         * @param label short description of the metric that was measured
+         * @param value float value of the measurement
+         */
+        public void writeMeasurement(String label, float value);
+
+        /**
+         * Callback invoked as last action in
+         * {@link PerformanceCollector#addMeasurement(String, String)} for
+         * reporting a string field.
+         *
+         * @param label short description of the metric that was measured
+         * @param value string summary of the measurement
+         */
+        public void writeMeasurement(String label, String value);
+    }
+
+    /**
+     * In a results Bundle, this key references a List of iteration Bundles.
+     */
+    public static final String METRIC_KEY_ITERATIONS = "iterations";
+    /**
+     * In an iteration Bundle, this key describes the iteration.
+     */
+    public static final String METRIC_KEY_LABEL = "label";
+    /**
+     * In a results Bundle, this key reports the cpu time of the code block
+     * under measurement.
+     */
+    public static final String METRIC_KEY_CPU_TIME = "cpu_time";
+    /**
+     * In a results Bundle, this key reports the execution time of the code
+     * block under measurement.
+     */
+    public static final String METRIC_KEY_EXECUTION_TIME = "execution_time";
+    /**
+     * In a snapshot Bundle, this key reports the number of received
+     * transactions from the binder driver before collection started.
+     */
+    public static final String METRIC_KEY_PRE_RECEIVED_TRANSACTIONS = "pre_received_transactions";
+    /**
+     * In a snapshot Bundle, this key reports the number of transactions sent by
+     * the running program before collection started.
+     */
+    public static final String METRIC_KEY_PRE_SENT_TRANSACTIONS = "pre_sent_transactions";
+    /**
+     * In a snapshot Bundle, this key reports the number of received
+     * transactions from the binder driver.
+     */
+    public static final String METRIC_KEY_RECEIVED_TRANSACTIONS = "received_transactions";
+    /**
+     * In a snapshot Bundle, this key reports the number of transactions sent by
+     * the running program.
+     */
+    public static final String METRIC_KEY_SENT_TRANSACTIONS = "sent_transactions";
+    /**
+     * In a snapshot Bundle, this key reports the number of garbage collection
+     * invocations.
+     */
+    public static final String METRIC_KEY_GC_INVOCATION_COUNT = "gc_invocation_count";
+    /**
+     * In a snapshot Bundle, this key reports the amount of allocated memory
+     * used by the running program.
+     */
+    public static final String METRIC_KEY_JAVA_ALLOCATED = "java_allocated";
+    /**
+     * In a snapshot Bundle, this key reports the amount of free memory
+     * available to the running program.
+     */
+    public static final String METRIC_KEY_JAVA_FREE = "java_free";
+    /**
+     * In a snapshot Bundle, this key reports the number of private dirty pages
+     * used by dalvik.
+     */
+    public static final String METRIC_KEY_JAVA_PRIVATE_DIRTY = "java_private_dirty";
+    /**
+     * In a snapshot Bundle, this key reports the proportional set size for
+     * dalvik.
+     */
+    public static final String METRIC_KEY_JAVA_PSS = "java_pss";
+    /**
+     * In a snapshot Bundle, this key reports the number of shared dirty pages
+     * used by dalvik.
+     */
+    public static final String METRIC_KEY_JAVA_SHARED_DIRTY = "java_shared_dirty";
+    /**
+     * In a snapshot Bundle, this key reports the total amount of memory
+     * available to the running program.
+     */
+    public static final String METRIC_KEY_JAVA_SIZE = "java_size";
+    /**
+     * In a snapshot Bundle, this key reports the amount of allocated memory in
+     * the native heap.
+     */
+    public static final String METRIC_KEY_NATIVE_ALLOCATED = "native_allocated";
+    /**
+     * In a snapshot Bundle, this key reports the amount of free memory in the
+     * native heap.
+     */
+    public static final String METRIC_KEY_NATIVE_FREE = "native_free";
+    /**
+     * In a snapshot Bundle, this key reports the number of private dirty pages
+     * used by the native heap.
+     */
+    public static final String METRIC_KEY_NATIVE_PRIVATE_DIRTY = "native_private_dirty";
+    /**
+     * In a snapshot Bundle, this key reports the proportional set size for the
+     * native heap.
+     */
+    public static final String METRIC_KEY_NATIVE_PSS = "native_pss";
+    /**
+     * In a snapshot Bundle, this key reports the number of shared dirty pages
+     * used by the native heap.
+     */
+    public static final String METRIC_KEY_NATIVE_SHARED_DIRTY = "native_shared_dirty";
+    /**
+     * In a snapshot Bundle, this key reports the size of the native heap.
+     */
+    public static final String METRIC_KEY_NATIVE_SIZE = "native_size";
+    /**
+     * In a snapshot Bundle, this key reports the number of objects allocated
+     * globally.
+     */
+    public static final String METRIC_KEY_GLOBAL_ALLOC_COUNT = "global_alloc_count";
+    /**
+     * In a snapshot Bundle, this key reports the size of all objects allocated
+     * globally.
+     */
+    public static final String METRIC_KEY_GLOBAL_ALLOC_SIZE = "global_alloc_size";
+    /**
+     * In a snapshot Bundle, this key reports the number of objects freed
+     * globally.
+     */
+    public static final String METRIC_KEY_GLOBAL_FREED_COUNT = "global_freed_count";
+    /**
+     * In a snapshot Bundle, this key reports the size of all objects freed
+     * globally.
+     */
+    public static final String METRIC_KEY_GLOBAL_FREED_SIZE = "global_freed_size";
+    /**
+     * In a snapshot Bundle, this key reports the number of private dirty pages
+     * used by everything else.
+     */
+    public static final String METRIC_KEY_OTHER_PRIVATE_DIRTY = "other_private_dirty";
+    /**
+     * In a snapshot Bundle, this key reports the proportional set size for
+     * everything else.
+     */
+    public static final String METRIC_KEY_OTHER_PSS = "other_pss";
+    /**
+     * In a snapshot Bundle, this key reports the number of shared dirty pages
+     * used by everything else.
+     */
+    public static final String METRIC_KEY_OTHER_SHARED_DIRTY = "other_shared_dirty";
+
+    private PerformanceResultsWriter mPerfWriter;
+    private Bundle mPerfSnapshot;
+    private Bundle mPerfMeasurement;
+    private long mSnapshotCpuTime;
+    private long mSnapshotExecTime;
+    private long mCpuTime;
+    private long mExecTime;
+
+    public PerformanceCollector() {
+    }
+
+    public PerformanceCollector(PerformanceResultsWriter writer) {
+        setPerformanceResultsWriter(writer);
+    }
+
+    public void setPerformanceResultsWriter(PerformanceResultsWriter writer) {
+        mPerfWriter = writer;
+    }
+
+    /**
+     * Begin collection of memory usage information.
+     *
+     * @param label description of code block between beginSnapshot and
+     *              endSnapshot, used to label output
+     */
+    public void beginSnapshot(String label) {
+        if (mPerfWriter != null)
+            mPerfWriter.writeBeginSnapshot(label);
+        startPerformanceSnapshot();
+    }
+
+    /**
+     * End collection of memory usage information. Returns collected data in a
+     * Bundle object.
+     *
+     * @return Memory and runtime metrics stored as key/value pairs. Values are
+     *         of type long, and keys include:
+     *         <ul>
+     *         <li>{@link #METRIC_KEY_CPU_TIME cpu_time}
+     *         <li>{@link #METRIC_KEY_EXECUTION_TIME execution_time}
+     *         <li>{@link #METRIC_KEY_PRE_RECEIVED_TRANSACTIONS
+     *         pre_received_transactions}
+     *         <li>{@link #METRIC_KEY_PRE_SENT_TRANSACTIONS
+     *         pre_sent_transactions}
+     *         <li>{@link #METRIC_KEY_RECEIVED_TRANSACTIONS
+     *         received_transactions}
+     *         <li>{@link #METRIC_KEY_SENT_TRANSACTIONS sent_transactions}
+     *         <li>{@link #METRIC_KEY_GC_INVOCATION_COUNT gc_invocation_count}
+     *         <li>{@link #METRIC_KEY_JAVA_ALLOCATED java_allocated}
+     *         <li>{@link #METRIC_KEY_JAVA_FREE java_free}
+     *         <li>{@link #METRIC_KEY_JAVA_PRIVATE_DIRTY java_private_dirty}
+     *         <li>{@link #METRIC_KEY_JAVA_PSS java_pss}
+     *         <li>{@link #METRIC_KEY_JAVA_SHARED_DIRTY java_shared_dirty}
+     *         <li>{@link #METRIC_KEY_JAVA_SIZE java_size}
+     *         <li>{@link #METRIC_KEY_NATIVE_ALLOCATED native_allocated}
+     *         <li>{@link #METRIC_KEY_NATIVE_FREE native_free}
+     *         <li>{@link #METRIC_KEY_NATIVE_PRIVATE_DIRTY native_private_dirty}
+     *         <li>{@link #METRIC_KEY_NATIVE_PSS native_pss}
+     *         <li>{@link #METRIC_KEY_NATIVE_SHARED_DIRTY native_shared_dirty}
+     *         <li>{@link #METRIC_KEY_NATIVE_SIZE native_size}
+     *         <li>{@link #METRIC_KEY_GLOBAL_ALLOC_COUNT global_alloc_count}
+     *         <li>{@link #METRIC_KEY_GLOBAL_ALLOC_SIZE global_alloc_size}
+     *         <li>{@link #METRIC_KEY_GLOBAL_FREED_COUNT global_freed_count}
+     *         <li>{@link #METRIC_KEY_GLOBAL_FREED_SIZE global_freed_size}
+     *         <li>{@link #METRIC_KEY_OTHER_PRIVATE_DIRTY other_private_dirty}
+     *         <li>{@link #METRIC_KEY_OTHER_PSS other_pss}
+     *         <li>{@link #METRIC_KEY_OTHER_SHARED_DIRTY other_shared_dirty}
+     *         </ul>
+     */
+    public Bundle endSnapshot() {
+        endPerformanceSnapshot();
+        if (mPerfWriter != null)
+            mPerfWriter.writeEndSnapshot(mPerfSnapshot);
+        return mPerfSnapshot;
+    }
+
+    /**
+     * Start measurement of user and cpu time.
+     *
+     * @param label description of code block between startTiming and
+     *        stopTiming, used to label output
+     */
+    public void startTiming(String label) {
+        if (mPerfWriter != null)
+            mPerfWriter.writeStartTiming(label);
+        mPerfMeasurement = new Bundle();
+        mPerfMeasurement.putParcelableArrayList(
+                METRIC_KEY_ITERATIONS, new ArrayList<Parcelable>());
+        mExecTime = SystemClock.uptimeMillis();
+        mCpuTime = Process.getElapsedCpuTime();
+    }
+
+    /**
+     * Add a measured segment, and start measuring the next segment. Returns
+     * collected data in a Bundle object.
+     *
+     * @param label description of code block between startTiming and
+     *              addIteration, and between two calls to addIteration, used
+     *              to label output
+     * @return Runtime metrics stored as key/value pairs. Values are of type
+     *         long, and keys include:
+     *         <ul>
+     *         <li>{@link #METRIC_KEY_LABEL label}
+     *         <li>{@link #METRIC_KEY_CPU_TIME cpu_time}
+     *         <li>{@link #METRIC_KEY_EXECUTION_TIME execution_time}
+     *         </ul>
+     */
+    public Bundle addIteration(String label) {
+        mCpuTime = Process.getElapsedCpuTime() - mCpuTime;
+        mExecTime = SystemClock.uptimeMillis() - mExecTime;
+
+        Bundle iteration = new Bundle();
+        iteration.putString(METRIC_KEY_LABEL, label);
+        iteration.putLong(METRIC_KEY_EXECUTION_TIME, mExecTime);
+        iteration.putLong(METRIC_KEY_CPU_TIME, mCpuTime);
+        mPerfMeasurement.getParcelableArrayList(METRIC_KEY_ITERATIONS).add(iteration);
+
+        mExecTime = SystemClock.uptimeMillis();
+        mCpuTime = Process.getElapsedCpuTime();
+        return iteration;
+    }
+
+    /**
+     * Stop measurement of user and cpu time.
+     *
+     * @param label description of code block between addIteration or
+     *              startTiming and stopTiming, used to label output
+     * @return Runtime metrics stored in a bundle, including all iterations
+     *         between calls to startTiming and stopTiming. List of iterations
+     *         is keyed by {@link #METRIC_KEY_ITERATIONS iterations}.
+     */
+    public Bundle stopTiming(String label) {
+        addIteration(label);
+        if (mPerfWriter != null)
+            mPerfWriter.writeStopTiming(mPerfMeasurement);
+        return mPerfMeasurement;
+    }
+
+    /**
+     * Add an integer type measurement to the collector.
+     *
+     * @param label short description of the metric that was measured
+     * @param value long value of the measurement
+     */
+    public void addMeasurement(String label, long value) {
+        if (mPerfWriter != null)
+            mPerfWriter.writeMeasurement(label, value);
+    }
+
+    /**
+     * Add a float type measurement to the collector.
+     *
+     * @param label short description of the metric that was measured
+     * @param value float value of the measurement
+     */
+    public void addMeasurement(String label, float value) {
+        if (mPerfWriter != null)
+            mPerfWriter.writeMeasurement(label, value);
+    }
+
+    /**
+     * Add a string field to the collector.
+     *
+     * @param label short description of the metric that was measured
+     * @param value string summary of the measurement
+     */
+    public void addMeasurement(String label, String value) {
+        if (mPerfWriter != null)
+            mPerfWriter.writeMeasurement(label, value);
+    }
+
+    /*
+     * Starts tracking memory usage, binder transactions, and real & cpu timing.
+     */
+    private void startPerformanceSnapshot() {
+        // Create new snapshot
+        mPerfSnapshot = new Bundle();
+
+        // Add initial binder counts
+        Bundle binderCounts = getBinderCounts();
+        for (String key : binderCounts.keySet()) {
+            mPerfSnapshot.putLong("pre_" + key, binderCounts.getLong(key));
+        }
+
+        // Force a GC and zero out the performance counters. Do this
+        // before reading initial CPU/wall-clock times so we don't include
+        // the cost of this setup in our final metrics.
+        startAllocCounting();
+
+        // Record CPU time up to this point, and start timing. Note: this
+        // must happen at the end of this method, otherwise the timing will
+        // include noise.
+        mSnapshotExecTime = SystemClock.uptimeMillis();
+        mSnapshotCpuTime = Process.getElapsedCpuTime();
+    }
+
+    /*
+     * Stops tracking memory usage, binder transactions, and real & cpu timing.
+     * Stores collected data as type long into Bundle object for reporting.
+     */
+    private void endPerformanceSnapshot() {
+        // Stop the timing. This must be done first before any other counting is
+        // stopped.
+        mSnapshotCpuTime = Process.getElapsedCpuTime() - mSnapshotCpuTime;
+        mSnapshotExecTime = SystemClock.uptimeMillis() - mSnapshotExecTime;
+
+        stopAllocCounting();
+
+        long nativeMax = Debug.getNativeHeapSize() / 1024;
+        long nativeAllocated = Debug.getNativeHeapAllocatedSize() / 1024;
+        long nativeFree = Debug.getNativeHeapFreeSize() / 1024;
+
+        Debug.MemoryInfo memInfo = new Debug.MemoryInfo();
+        Debug.getMemoryInfo(memInfo);
+
+        Runtime runtime = Runtime.getRuntime();
+
+        long dalvikMax = runtime.totalMemory() / 1024;
+        long dalvikFree = runtime.freeMemory() / 1024;
+        long dalvikAllocated = dalvikMax - dalvikFree;
+
+        // Add final binder counts
+        Bundle binderCounts = getBinderCounts();
+        for (String key : binderCounts.keySet()) {
+            mPerfSnapshot.putLong(key, binderCounts.getLong(key));
+        }
+
+        // Add alloc counts
+        Bundle allocCounts = getAllocCounts();
+        for (String key : allocCounts.keySet()) {
+            mPerfSnapshot.putLong(key, allocCounts.getLong(key));
+        }
+
+        mPerfSnapshot.putLong(METRIC_KEY_EXECUTION_TIME, mSnapshotExecTime);
+        mPerfSnapshot.putLong(METRIC_KEY_CPU_TIME, mSnapshotCpuTime);
+
+        mPerfSnapshot.putLong(METRIC_KEY_NATIVE_SIZE, nativeMax);
+        mPerfSnapshot.putLong(METRIC_KEY_NATIVE_ALLOCATED, nativeAllocated);
+        mPerfSnapshot.putLong(METRIC_KEY_NATIVE_FREE, nativeFree);
+        mPerfSnapshot.putLong(METRIC_KEY_NATIVE_PSS, memInfo.nativePss);
+        mPerfSnapshot.putLong(METRIC_KEY_NATIVE_PRIVATE_DIRTY, memInfo.nativePrivateDirty);
+        mPerfSnapshot.putLong(METRIC_KEY_NATIVE_SHARED_DIRTY, memInfo.nativeSharedDirty);
+
+        mPerfSnapshot.putLong(METRIC_KEY_JAVA_SIZE, dalvikMax);
+        mPerfSnapshot.putLong(METRIC_KEY_JAVA_ALLOCATED, dalvikAllocated);
+        mPerfSnapshot.putLong(METRIC_KEY_JAVA_FREE, dalvikFree);
+        mPerfSnapshot.putLong(METRIC_KEY_JAVA_PSS, memInfo.dalvikPss);
+        mPerfSnapshot.putLong(METRIC_KEY_JAVA_PRIVATE_DIRTY, memInfo.dalvikPrivateDirty);
+        mPerfSnapshot.putLong(METRIC_KEY_JAVA_SHARED_DIRTY, memInfo.dalvikSharedDirty);
+
+        mPerfSnapshot.putLong(METRIC_KEY_OTHER_PSS, memInfo.otherPss);
+        mPerfSnapshot.putLong(METRIC_KEY_OTHER_PRIVATE_DIRTY, memInfo.otherPrivateDirty);
+        mPerfSnapshot.putLong(METRIC_KEY_OTHER_SHARED_DIRTY, memInfo.otherSharedDirty);
+    }
+
+    /*
+     * Starts allocation counting. This triggers a gc and resets the counts.
+     */
+    private static void startAllocCounting() {
+        // Before we start trigger a GC and reset the debug counts. Run the
+        // finalizers and another GC before starting and stopping the alloc
+        // counts. This will free up any objects that were just sitting around
+        // waiting for their finalizers to be run.
+        Runtime.getRuntime().gc();
+        Runtime.getRuntime().runFinalization();
+        Runtime.getRuntime().gc();
+
+        Debug.resetAllCounts();
+
+        // start the counts
+        Debug.startAllocCounting();
+    }
+
+    /*
+     * Stops allocation counting.
+     */
+    private static void stopAllocCounting() {
+        Runtime.getRuntime().gc();
+        Runtime.getRuntime().runFinalization();
+        Runtime.getRuntime().gc();
+        Debug.stopAllocCounting();
+    }
+
+    /*
+     * Returns a bundle with the current results from the allocation counting.
+     */
+    private static Bundle getAllocCounts() {
+        Bundle results = new Bundle();
+        results.putLong(METRIC_KEY_GLOBAL_ALLOC_COUNT, Debug.getGlobalAllocCount());
+        results.putLong(METRIC_KEY_GLOBAL_ALLOC_SIZE, Debug.getGlobalAllocSize());
+        results.putLong(METRIC_KEY_GLOBAL_FREED_COUNT, Debug.getGlobalFreedCount());
+        results.putLong(METRIC_KEY_GLOBAL_FREED_SIZE, Debug.getGlobalFreedSize());
+        results.putLong(METRIC_KEY_GC_INVOCATION_COUNT, Debug.getGlobalGcInvocationCount());
+        return results;
+    }
+
+    /*
+     * Returns a bundle with the counts for various binder counts for this
+     * process. Currently the only two that are reported are the number of send
+     * and the number of received transactions.
+     */
+    private static Bundle getBinderCounts() {
+        Bundle results = new Bundle();
+        results.putLong(METRIC_KEY_SENT_TRANSACTIONS, Debug.getBinderSentTransactions());
+        results.putLong(METRIC_KEY_RECEIVED_TRANSACTIONS, Debug.getBinderReceivedTransactions());
+        return results;
+    }
+}
diff --git a/core/java/android/os/PowerManager.java b/core/java/android/os/PowerManager.java
index bfcf2fc..2efc230 100644
--- a/core/java/android/os/PowerManager.java
+++ b/core/java/android/os/PowerManager.java
@@ -114,12 +114,14 @@ public class PowerManager
     private static final int WAKE_BIT_SCREEN_DIM = 4;
     private static final int WAKE_BIT_SCREEN_BRIGHT = 8;
     private static final int WAKE_BIT_KEYBOARD_BRIGHT = 16;
+    private static final int WAKE_BIT_PROXIMITY_SCREEN_OFF = 32;
     
     private static final int LOCK_MASK = WAKE_BIT_CPU_STRONG
                                         | WAKE_BIT_CPU_WEAK
                                         | WAKE_BIT_SCREEN_DIM
                                         | WAKE_BIT_SCREEN_BRIGHT
-                                        | WAKE_BIT_KEYBOARD_BRIGHT;
+                                        | WAKE_BIT_KEYBOARD_BRIGHT
+                                        | WAKE_BIT_PROXIMITY_SCREEN_OFF;
 
     /**
      * Wake lock that ensures that the CPU is running.  The screen might
@@ -147,6 +149,16 @@ public class PowerManager
     public static final int SCREEN_DIM_WAKE_LOCK = WAKE_BIT_CPU_WEAK | WAKE_BIT_SCREEN_DIM;
 
     /**
+     * Wake lock that turns the screen off when the proximity sensor activates.
+     * Since not all devices have proximity sensors, use
+     * {@link #getSupportedWakeLockFlags() getSupportedWakeLockFlags()} to determine if
+     * this wake lock mode is supported.
+     *
+     * {@hide}
+     */
+    public static final int PROXIMITY_SCREEN_OFF_WAKE_LOCK = WAKE_BIT_PROXIMITY_SCREEN_OFF;
+
+    /**
      * Normally wake locks don't actually wake the device, they just cause
      * it to remain on once it's already on.  Think of the video player
      * app as the normal behavior.  Notifications that pop up and want
@@ -196,6 +208,7 @@ public class PowerManager
             case SCREEN_DIM_WAKE_LOCK:
             case SCREEN_BRIGHT_WAKE_LOCK:
             case FULL_WAKE_LOCK:
+            case PROXIMITY_SCREEN_OFF_WAKE_LOCK:
                 break;
             default:
                 throw new IllegalArgumentException();
@@ -365,7 +378,68 @@ public class PowerManager
         } catch (RemoteException e) {
         }
     }
-    
+
+    /**
+     * sets the brightness of the backlights (screen, keyboard, button).
+     *
+     * @param brightness value from 0 to 255
+     *
+     * {@hide}
+     */
+    public void setBacklightBrightness(int brightness)
+    {
+        try {
+            mService.setBacklightBrightness(brightness);
+        } catch (RemoteException e) {
+        }
+    }
+
+   /**
+     * Returns the set of flags for {@link #newWakeLock(int, String) newWakeLock()}
+     * that are supported on the device.
+     * For example, to test to see if the {@link #PROXIMITY_SCREEN_OFF_WAKE_LOCK}
+     * is supported:
+     *
+     * {@samplecode
+     * PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
+     * int supportedFlags = pm.getSupportedWakeLockFlags();
+     *  boolean proximitySupported = ((supportedFlags & PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK)
+     *                                  == PowerManager.PROXIMITY_SCREEN_OFF_WAKE_LOCK);
+     * }
+     *
+     * @return the set of supported WakeLock flags.
+     *
+     * {@hide}
+     */
+    public int getSupportedWakeLockFlags()
+    {
+        try {
+            return mService.getSupportedWakeLockFlags();
+        } catch (RemoteException e) {
+            return 0;
+        }
+    }
+
+    /**
+      * Returns whether the screen is currently on. The screen could be bright
+      * or dim.
+      *
+      * {@samplecode
+      * PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
+      * boolean isScreenOn = pm.isScreenOn();
+      * }
+      *
+      * @return whether the screen is on (bright or dim).
+      */
+    public boolean isScreenOn()
+    {
+        try {
+            return mService.isScreenOn();
+        } catch (RemoteException e) {
+            return false;
+        }
+    }
+
     private PowerManager()
     {
     }
diff --git a/core/java/android/os/Process.java b/core/java/android/os/Process.java
index 4805193..699ddb2 100644
--- a/core/java/android/os/Process.java
+++ b/core/java/android/os/Process.java
@@ -74,6 +74,12 @@ public class Process {
     public static final int SHELL_UID = 2000;
 
     /**
+     * Defines the UID/GID for the log group.
+     * @hide
+     */
+    public static final int LOG_UID = 1007;
+
+    /**
      * Defines the UID/GID for the WIFI supplicant process.
      * @hide
      */
@@ -739,7 +745,7 @@ public class Process {
     public static final native void sendSignal(int pid, int signal);
     
     /** @hide */
-    public static final native int getFreeMemory();
+    public static final native long getFreeMemory();
     
     /** @hide */
     public static final native void readProcLines(String path,
diff --git a/core/java/android/os/RemoteCallbackList.java b/core/java/android/os/RemoteCallbackList.java
index 584224f..b74af16 100644
--- a/core/java/android/os/RemoteCallbackList.java
+++ b/core/java/android/os/RemoteCallbackList.java
@@ -22,7 +22,7 @@ import java.util.HashMap;
  * Takes care of the grunt work of maintaining a list of remote interfaces,
  * typically for the use of performing callbacks from a
  * {@link android.app.Service} to its clients.  In particular, this:
- * 
+ *
  * <ul>
  * <li> Keeps track of a set of registered {@link IInterface} callbacks,
  * taking care to identify them through their underlying unique {@link IBinder}
@@ -34,13 +34,13 @@ import java.util.HashMap;
  * multithreaded incoming calls, and a thread-safe way to iterate over a
  * snapshot of the list without holding its lock.
  * </ul>
- * 
+ *
  * <p>To use this class, simply create a single instance along with your
  * service, and call its {@link #register} and {@link #unregister} methods
  * as client register and unregister with your service.  To call back on to
  * the registered clients, use {@link #beginBroadcast},
  * {@link #getBroadcastItem}, and {@link #finishBroadcast}.
- * 
+ *
  * <p>If a registered callback's process goes away, this class will take
  * care of automatically removing it from the list.  If you want to do
  * additional work in this situation, you can create a subclass that
@@ -52,7 +52,7 @@ public class RemoteCallbackList<E extends IInterface> {
     private Object[] mActiveBroadcast;
     private int mBroadcastCount = -1;
     private boolean mKilled = false;
-    
+
     private final class Callback implements IBinder.DeathRecipient {
         final E mCallback;
         final Object mCookie;
@@ -61,7 +61,7 @@ public class RemoteCallbackList<E extends IInterface> {
             mCallback = callback;
             mCookie = cookie;
         }
-        
+
         public void binderDied() {
             synchronized (mCallbacks) {
                 mCallbacks.remove(mCallback.asBinder());
@@ -69,7 +69,7 @@ public class RemoteCallbackList<E extends IInterface> {
             onCallbackDied(mCallback, mCookie);
         }
     }
-    
+
     /**
      * Simple version of {@link RemoteCallbackList#register(E, Object)}
      * that does not take a cookie object.
@@ -86,19 +86,20 @@ public class RemoteCallbackList<E extends IInterface> {
      * object is already in the list), then it will be left as-is.
      * Registrations are not counted; a single call to {@link #unregister}
      * will remove a callback after any number calls to register it.
-     * 
+     *
      * @param callback The callback interface to be added to the list.  Must
      * not be null -- passing null here will cause a NullPointerException.
      * Most services will want to check for null before calling this with
      * an object given from a client, so that clients can't crash the
      * service with bad data.
+     *
      * @param cookie Optional additional data to be associated with this
      * callback.
      * 
      * @return Returns true if the callback was successfully added to the list.
      * Returns false if it was not added, either because {@link #kill} had
      * previously been called or the callback's process has gone away.
-     * 
+     *
      * @see #unregister
      * @see #kill
      * @see #onCallbackDied
@@ -119,7 +120,7 @@ public class RemoteCallbackList<E extends IInterface> {
             }
         }
     }
-    
+
     /**
      * Remove from the list a callback that was previously added with
      * {@link #register}.  This uses the
@@ -127,14 +128,14 @@ public class RemoteCallbackList<E extends IInterface> {
      * find the previous registration.
      * Registrations are not counted; a single unregister call will remove
      * a callback after any number calls to {@link #register} for it.
-     * 
+     *
      * @param callback The callback to be removed from the list.  Passing
      * null here will cause a NullPointerException, so you will generally want
      * to check for null before calling.
-     * 
+     *
      * @return Returns true if the callback was found and unregistered.  Returns
      * false if the given callback was not found on the list.
-     * 
+     *
      * @see #register
      */
     public boolean unregister(E callback) {
@@ -147,13 +148,13 @@ public class RemoteCallbackList<E extends IInterface> {
             return false;
         }
     }
-    
+
     /**
      * Disable this callback list.  All registered callbacks are unregistered,
      * and the list is disabled so that future calls to {@link #register} will
      * fail.  This should be used when a Service is stopping, to prevent clients
      * from registering callbacks after it is stopped.
-     * 
+     *
      * @see #register
      */
     public void kill() {
@@ -165,7 +166,7 @@ public class RemoteCallbackList<E extends IInterface> {
             mKilled = true;
         }
     }
-    
+
     /**
      * Old version of {@link #onCallbackDied(E, Object)} that
      * does not provide a cookie.
@@ -190,7 +191,7 @@ public class RemoteCallbackList<E extends IInterface> {
     public void onCallbackDied(E callback, Object cookie) {
         onCallbackDied(callback);
     }
-    
+
     /**
      * Prepare to start making calls to the currently registered callbacks.
      * This creates a copy of the callback list, which you can retrieve items
@@ -199,12 +200,12 @@ public class RemoteCallbackList<E extends IInterface> {
      * same thread (usually by scheduling with {@link Handler}) or
      * do your own synchronization.  You must call {@link #finishBroadcast}
      * when done.
-     * 
+     *
      * <p>A typical loop delivering a broadcast looks like this:
-     * 
+     *
      * <pre>
      * int i = callbacks.beginBroadcast();
-     * while (i > 0) {
+     * while (i &gt; 0) {
      *     i--;
      *     try {
      *         callbacks.getBroadcastItem(i).somethingHappened();
@@ -214,11 +215,11 @@ public class RemoteCallbackList<E extends IInterface> {
      *     }
      * }
      * callbacks.finishBroadcast();</pre>
-     * 
+     *
      * @return Returns the number of callbacks in the broadcast, to be used
      * with {@link #getBroadcastItem} to determine the range of indices you
      * can supply.
-     * 
+     *
      * @see #getBroadcastItem
      * @see #finishBroadcast
      */
@@ -244,26 +245,26 @@ public class RemoteCallbackList<E extends IInterface> {
             return i;
         }
     }
-    
+
     /**
      * Retrieve an item in the active broadcast that was previously started
      * with {@link #beginBroadcast}.  This can <em>only</em> be called after
      * the broadcast is started, and its data is no longer valid after
      * calling {@link #finishBroadcast}.
-     * 
+     *
      * <p>Note that it is possible for the process of one of the returned
      * callbacks to go away before you call it, so you will need to catch
      * {@link RemoteException} when calling on to the returned object.
      * The callback list itself, however, will take care of unregistering
      * these objects once it detects that it is no longer valid, so you can
      * handle such an exception by simply ignoring it.
-     * 
+     *
      * @param index Which of the registered callbacks you would like to
      * retrieve.  Ranges from 0 to 1-{@link #beginBroadcast}.
-     * 
+     *
      * @return Returns the callback interface that you can call.  This will
      * always be non-null.
-     * 
+     *
      * @see #beginBroadcast
      */
     public E getBroadcastItem(int index) {
@@ -279,12 +280,12 @@ public class RemoteCallbackList<E extends IInterface> {
     public Object getBroadcastCookie(int index) {
         return ((Callback)mActiveBroadcast[index]).mCookie;
     }
-    
+
     /**
      * Clean up the state of a broadcast previously initiated by calling
      * {@link #beginBroadcast}.  This must always be called when you are done
      * with a broadcast.
-     * 
+     *
      * @see #beginBroadcast
      */
     public void finishBroadcast() {
diff --git a/core/java/android/os/SystemClock.java b/core/java/android/os/SystemClock.java
index 2b57b39..2dd6749 100644
--- a/core/java/android/os/SystemClock.java
+++ b/core/java/android/os/SystemClock.java
@@ -30,7 +30,13 @@ package android.os;
  *     backwards or forwards unpredictably.  This clock should only be used
  *     when correspondence with real-world dates and times is important, such
  *     as in a calendar or alarm clock application.  Interval or elapsed
- *     time measurements should use a different clock.
+ *     time measurements should use a different clock.  If you are using
+ *     System.currentTimeMillis(), consider listening to the
+ *     {@link android.content.Intent#ACTION_TIME_TICK ACTION_TIME_TICK},
+ *     {@link android.content.Intent#ACTION_TIME_CHANGED ACTION_TIME_CHANGED}
+ *     and {@link android.content.Intent#ACTION_TIMEZONE_CHANGED
+ *     ACTION_TIMEZONE_CHANGED} {@link android.content.Intent Intent}
+ *     broadcasts to find out when the time changes.
  *
  *     <li> <p> {@link #uptimeMillis} is counted in milliseconds since the
  *     system was booted.  This clock stops when the system enters deep
diff --git a/core/java/android/os/SystemProperties.java b/core/java/android/os/SystemProperties.java
index c3ae3c2..4a036ec 100644
--- a/core/java/android/os/SystemProperties.java
+++ b/core/java/android/os/SystemProperties.java
@@ -30,6 +30,9 @@ public class SystemProperties
 
     private static native String native_get(String key);
     private static native String native_get(String key, String def);
+    private static native int native_get_int(String key, int def);
+    private static native long native_get_long(String key, long def);
+    private static native boolean native_get_boolean(String key, boolean def);
     private static native void native_set(String key, String def);
 
     /**
@@ -65,11 +68,10 @@ public class SystemProperties
      * @throws IllegalArgumentException if the key exceeds 32 characters
      */
     public static int getInt(String key, int def) {
-        try {
-            return Integer.parseInt(get(key));
-        } catch (NumberFormatException e) {
-            return def;
+        if (key.length() > PROP_NAME_MAX) {
+            throw new IllegalArgumentException("key.length > " + PROP_NAME_MAX);
         }
+        return native_get_int(key, def);
     }
 
     /**
@@ -81,11 +83,10 @@ public class SystemProperties
      * @throws IllegalArgumentException if the key exceeds 32 characters
      */
     public static long getLong(String key, long def) {
-        try {
-            return Long.parseLong(get(key));
-        } catch (NumberFormatException e) {
-            return def;
+        if (key.length() > PROP_NAME_MAX) {
+            throw new IllegalArgumentException("key.length > " + PROP_NAME_MAX);
         }
+        return native_get_long(key, def);
     }
 
     /**
@@ -102,27 +103,10 @@ public class SystemProperties
      * @throws IllegalArgumentException if the key exceeds 32 characters
      */
     public static boolean getBoolean(String key, boolean def) {
-        String value = get(key);
-        // Deal with these quick cases first: not found, 0 and 1
-        if (value.equals("")) {
-            return def;
-        } else if (value.equals("0")) {
-            return false;
-        } else if (value.equals("1")) {
-            return true;
-        // now for slower (and hopefully less common) cases
-        } else if (value.equalsIgnoreCase("n") ||
-                   value.equalsIgnoreCase("no") ||
-                   value.equalsIgnoreCase("false") ||
-                   value.equalsIgnoreCase("off")) {
-            return false;
-        } else if (value.equalsIgnoreCase("y") ||
-                   value.equalsIgnoreCase("yes") ||
-                   value.equalsIgnoreCase("true") ||
-                   value.equalsIgnoreCase("on")) {
-            return true;
+        if (key.length() > PROP_NAME_MAX) {
+            throw new IllegalArgumentException("key.length > " + PROP_NAME_MAX);
         }
-        return def;
+        return native_get_boolean(key, def);
     }
 
     /**
diff --git a/core/java/android/os/Vibrator.java b/core/java/android/os/Vibrator.java
index 0f75289..51dcff1 100644
--- a/core/java/android/os/Vibrator.java
+++ b/core/java/android/os/Vibrator.java
@@ -24,6 +24,7 @@ package android.os;
 public class Vibrator
 {
     IHardwareService mService;
+    private final Binder mToken = new Binder();
 
     /** @hide */
     public Vibrator()
@@ -40,7 +41,7 @@ public class Vibrator
     public void vibrate(long milliseconds)
     {
         try {
-            mService.vibrate(milliseconds);
+            mService.vibrate(milliseconds, mToken);
         } catch (RemoteException e) {
         }
     }
@@ -65,7 +66,7 @@ public class Vibrator
         // anyway
         if (repeat < pattern.length) {
             try {
-                mService.vibratePattern(pattern, repeat, new Binder());
+                mService.vibratePattern(pattern, repeat, mToken);
             } catch (RemoteException e) {
             }
         } else {
@@ -79,7 +80,7 @@ public class Vibrator
     public void cancel()
     {
         try {
-            mService.cancelVibrate();
+            mService.cancelVibrate(mToken);
         } catch (RemoteException e) {
         }
     }