From bfe319e06aa56c081d0d94d64a8181291d7f7388 Mon Sep 17 00:00:00 2001
From: Dianne Hackborn <hackbod@google.com>
Date: Mon, 21 Sep 2009 00:34:05 -0700
Subject: [PATCH] Turn animations on by default.

Add API to skip the animation for a particular start activity, so that
a latter better one can be used.

Fix Theme.NoDisplay to actually work.

Fiddle with various animations: don't do a different animation for task
switching, try a scale animation for switching in/out of the wallpaper.

Adjust the animation duration so that at normal speed we have something
more like the slower animation option (so slow is now the default).

Change-Id: Ieba9f3db0bd9a762a19b327a3ecccbc7b547893d
---
 api/current.xml                               | 26 ++++++
 core/java/android/app/Activity.java           |  4 +-
 core/java/android/content/Intent.java         | 12 +++
 core/java/android/text/format/Formatter.java  | 35 +++++--
 .../android/view/WindowManagerPolicy.java     |  4 +-
 core/res/res/anim/activity_close_enter.xml    |  2 +-
 core/res/res/anim/activity_close_exit.xml     |  2 +-
 core/res/res/anim/activity_open_enter.xml     |  2 +-
 core/res/res/anim/activity_open_exit.xml      |  2 +-
 core/res/res/anim/dialog_enter.xml            |  3 +-
 core/res/res/anim/dialog_exit.xml             |  4 +-
 core/res/res/anim/recent_enter.xml            |  8 +-
 core/res/res/anim/recent_exit.xml             | 13 ++-
 core/res/res/anim/task_open_exit.xml          |  3 +-
 core/res/res/anim/translucent_enter.xml       |  4 +-
 core/res/res/anim/translucent_exit.xml        |  4 +-
 core/res/res/anim/wallpaper_close_enter.xml   | 14 +++
 core/res/res/anim/wallpaper_close_exit.xml    | 17 ++++
 core/res/res/anim/wallpaper_open_enter.xml    | 17 ++++
 core/res/res/anim/wallpaper_open_exit.xml     | 14 +++
 core/res/res/values/config.xml                |  6 +-
 core/res/res/values/styles.xml                | 14 +++
 core/res/res/values/themes.xml                |  2 +-
 .../SettingsProvider/res/values/defaults.xml  |  2 +-
 .../providers/settings/DatabaseHelper.java    | 23 ++++-
 .../android/server/WindowManagerService.java  | 43 ++++-----
 .../server/am/ActivityManagerService.java     | 93 ++++++++++++++-----
 27 files changed, 291 insertions(+), 82 deletions(-)

diff --git a/api/current.xml b/api/current.xml
index 077b6ec5c372b..15bc2fa5d8608 100644
--- a/api/current.xml
+++ b/api/current.xml
@@ -36741,6 +36741,17 @@
  visibility="public"
 >
 </field>
+<field name="FLAG_ACTIVITY_NO_ANIMATION"
+ type="int"
+ transient="false"
+ volatile="false"
+ value="65536"
+ static="true"
+ final="true"
+ deprecated="not deprecated"
+ visibility="public"
+>
+</field>
 <field name="FLAG_ACTIVITY_NO_HISTORY"
  type="int"
  transient="false"
@@ -134820,6 +134831,21 @@
 <parameter name="addr" type="int">
 </parameter>
 </method>
+<method name="formatShortFileSize"
+ return="java.lang.String"
+ abstract="false"
+ native="false"
+ synchronized="false"
+ static="true"
+ final="false"
+ deprecated="not deprecated"
+ visibility="public"
+>
+<parameter name="context" type="android.content.Context">
+</parameter>
+<parameter name="number" type="long">
+</parameter>
+</method>
 </class>
 <class name="Time"
  extends="java.lang.Object"
diff --git a/core/java/android/app/Activity.java b/core/java/android/app/Activity.java
index a86fe909ec319..4561899fad62f 100644
--- a/core/java/android/app/Activity.java
+++ b/core/java/android/app/Activity.java
@@ -790,8 +790,8 @@ public class Activity extends ContextThemeWrapper
      * @see #onPostCreate
      */
     protected void onCreate(Bundle savedInstanceState) {
-        mVisibleFromClient = mWindow.getWindowStyle().getBoolean(
-                com.android.internal.R.styleable.Window_windowNoDisplay, true);
+        mVisibleFromClient = !mWindow.getWindowStyle().getBoolean(
+                com.android.internal.R.styleable.Window_windowNoDisplay, false);
         mCalled = true;
     }
 
diff --git a/core/java/android/content/Intent.java b/core/java/android/content/Intent.java
index 7366b8bff41c2..f6ca50d9b6fbd 100644
--- a/core/java/android/content/Intent.java
+++ b/core/java/android/content/Intent.java
@@ -2317,6 +2317,18 @@ public class Intent implements Parcelable {
      * specified.
      */
     public static final int FLAG_ACTIVITY_REORDER_TO_FRONT = 0X00020000;
+    /**
+     * If set in an Intent passed to {@link Context#startActivity Context.startActivity()},
+     * this flag will prevent the system from applying an activity transition
+     * animation to go to the next activity state.  This doesn't mean an
+     * animation will never run -- if another activity change happens that doesn't
+     * specify this flag before the activity started here is displayed, then
+     * that transition will be used.  This this flag can be put to good use
+     * when you are going to do a series of activity operations but the
+     * animation seen by the user shouldn't be driven by the first activity
+     * change but rather a later one.
+     */
+    public static final int FLAG_ACTIVITY_NO_ANIMATION = 0X00010000;
     /**
      * If set, when sending a broadcast only registered receivers will be
      * called -- no BroadcastReceiver components will be launched.
diff --git a/core/java/android/text/format/Formatter.java b/core/java/android/text/format/Formatter.java
index 367b26ce45d39..baaa3ceae2a34 100644
--- a/core/java/android/text/format/Formatter.java
+++ b/core/java/android/text/format/Formatter.java
@@ -32,6 +32,18 @@ public final class Formatter {
      * @return formated string with the number
      */
     public static String formatFileSize(Context context, long number) {
+        return formatFileSize(context, number, false);
+    }
+    
+    /**
+     * Like {@link #formatFileSize}, but trying to generate shorter numbers
+     * (showing fewer digits of precisin).
+     */
+    public static String formatShortFileSize(Context context, long number) {
+        return formatFileSize(context, number, true);
+    }
+    
+    private static String formatFileSize(Context context, long number, boolean shorter) {
         if (context == null) {
             return "";
         }
@@ -58,13 +70,24 @@ public final class Formatter {
             suffix = com.android.internal.R.string.petabyteShort;
             result = result / 1024;
         }
-        if (result < 100) {
-            String value = String.format("%.2f", result);
-            return context.getResources().
-                getString(com.android.internal.R.string.fileSizeSuffix,
-                          value, context.getString(suffix));
+        String value;
+        if (result < 1) {
+            value = String.format("%.2f", result);
+        } else if (result < 10) {
+            if (shorter) {
+                value = String.format("%.1f", result);
+            } else {
+                value = String.format("%.2f", result);
+            }
+        } else if (result < 100) {
+            if (shorter) {
+                value = String.format("%.0f", result);
+            } else {
+                value = String.format("%.2f", result);
+            }
+        } else {
+            value = String.format("%.0f", result);
         }
-        String value = String.format("%.0f", result);
         return context.getResources().
             getString(com.android.internal.R.string.fileSizeSuffix,
                       value, context.getString(suffix));
diff --git a/core/java/android/view/WindowManagerPolicy.java b/core/java/android/view/WindowManagerPolicy.java
index 45ff27e838487..cc5aeb1b0b39d 100644
--- a/core/java/android/view/WindowManagerPolicy.java
+++ b/core/java/android/view/WindowManagerPolicy.java
@@ -314,7 +314,9 @@ public interface WindowManagerPolicy {
         public boolean showLw(boolean doAnimation);
     }
 
-    /** No transition happening. */
+    /** Not set up for a transition. */
+    public final int TRANSIT_UNSET = 0;
+    /** No animation for transition. */
     public final int TRANSIT_NONE = 0;
     /** Window has been added to the screen. */
     public final int TRANSIT_ENTER = 1;
diff --git a/core/res/res/anim/activity_close_enter.xml b/core/res/res/anim/activity_close_enter.xml
index 9d1ef53743a24..f1258e8abb1c4 100644
--- a/core/res/res/anim/activity_close_enter.xml
+++ b/core/res/res/anim/activity_close_enter.xml
@@ -21,5 +21,5 @@
         android:interpolator="@anim/decelerate_interpolator"
         android:zAdjustment="top">
 	<translate android:fromXDelta="-100%" android:toXDelta="0"
-        android:duration="@android:integer/config_mediumAnimTime"/>
+        android:duration="@android:integer/config_shortAnimTime"/>
 </set>
diff --git a/core/res/res/anim/activity_close_exit.xml b/core/res/res/anim/activity_close_exit.xml
index 47cb6d69423b8..bf3d8cd34d317 100644
--- a/core/res/res/anim/activity_close_exit.xml
+++ b/core/res/res/anim/activity_close_exit.xml
@@ -20,5 +20,5 @@
 <set xmlns:android="http://schemas.android.com/apk/res/android"
         android:interpolator="@anim/decelerate_interpolator">
 	<translate android:fromXDelta="0%" android:toXDelta="33%"
-        android:duration="@android:integer/config_mediumAnimTime"/>
+        android:duration="@android:integer/config_shortAnimTime"/>
 </set>
diff --git a/core/res/res/anim/activity_open_enter.xml b/core/res/res/anim/activity_open_enter.xml
index e4c7e9bcc9d5b..a9ea381d1fed4 100644
--- a/core/res/res/anim/activity_open_enter.xml
+++ b/core/res/res/anim/activity_open_enter.xml
@@ -20,5 +20,5 @@
 <set xmlns:android="http://schemas.android.com/apk/res/android"
         android:interpolator="@anim/decelerate_interpolator">
 	<translate android:fromXDelta="33%" android:toXDelta="0"
-        android:duration="@android:integer/config_mediumAnimTime"/>
+        android:duration="@android:integer/config_shortAnimTime"/>
 </set>
diff --git a/core/res/res/anim/activity_open_exit.xml b/core/res/res/anim/activity_open_exit.xml
index 9d47b7f59c332..b04b79eac09b1 100644
--- a/core/res/res/anim/activity_open_exit.xml
+++ b/core/res/res/anim/activity_open_exit.xml
@@ -21,5 +21,5 @@
         android:interpolator="@anim/decelerate_interpolator"
         android:zAdjustment="top">
 	<translate android:fromXDelta="0%" android:toXDelta="-100%"
-        android:duration="@android:integer/config_mediumAnimTime"/>
+        android:duration="@android:integer/config_shortAnimTime"/>
 </set>
diff --git a/core/res/res/anim/dialog_enter.xml b/core/res/res/anim/dialog_enter.xml
index cc409e8f5a05b..d4983c64152c8 100644
--- a/core/res/res/anim/dialog_enter.xml
+++ b/core/res/res/anim/dialog_enter.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-/* //device/apps/common/res/anim/fade_in.xml
-**
+/*
 ** Copyright 2007, The Android Open Source Project
 **
 ** Licensed under the Apache License, Version 2.0 (the "License"); 
diff --git a/core/res/res/anim/dialog_exit.xml b/core/res/res/anim/dialog_exit.xml
index 8bf808247b6ae..2aa629a58af84 100644
--- a/core/res/res/anim/dialog_exit.xml
+++ b/core/res/res/anim/dialog_exit.xml
@@ -1,7 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!--
-/* //device/apps/common/res/anim/fade_out.xml
-**
+/*
 ** Copyright 2007, The Android Open Source Project
 **
 ** Licensed under the Apache License, Version 2.0 (the "License"); 
@@ -17,6 +16,7 @@
 ** limitations under the License.
 */
 -->
+
 <set xmlns:android="http://schemas.android.com/apk/res/android"
         android:interpolator="@anim/accelerate_interpolator">
     <scale android:fromXScale="1.0" android:toXScale="0.9"
diff --git a/core/res/res/anim/recent_enter.xml b/core/res/res/anim/recent_enter.xml
index 54ae73b241cc8..8faa2c1563024 100644
--- a/core/res/res/anim/recent_enter.xml
+++ b/core/res/res/anim/recent_enter.xml
@@ -19,10 +19,10 @@
 
 <set xmlns:android="http://schemas.android.com/apk/res/android"
         android:interpolator="@anim/decelerate_interpolator">
-    <scale android:fromXScale="2.0" android:toXScale="1.0"
-           android:fromYScale="2.0" android:toYScale="1.0"
+    <scale android:fromXScale="0.9" android:toXScale="1.0"
+           android:fromYScale="0.9" android:toYScale="1.0"
            android:pivotX="50%" android:pivotY="50%"
-           android:duration="@android:integer/config_mediumAnimTime" />
+           android:duration="@android:integer/config_shortAnimTime" />
     <alpha android:fromAlpha="0.0" android:toAlpha="1.0"
-            android:duration="@android:integer/config_mediumAnimTime"/>
+            android:duration="@android:integer/config_shortAnimTime" />
 </set>
diff --git a/core/res/res/anim/recent_exit.xml b/core/res/res/anim/recent_exit.xml
index 32d64a4af2a42..9399329559319 100644
--- a/core/res/res/anim/recent_exit.xml
+++ b/core/res/res/anim/recent_exit.xml
@@ -18,12 +18,11 @@
 -->
 
 <set xmlns:android="http://schemas.android.com/apk/res/android"
-        android:interpolator="@anim/decelerate_interpolator"
-        android:zAdjustment="top">
-    <scale android:fromXScale="1.0" android:toXScale="2.0"
-           android:fromYScale="1.0" android:toYScale="2.0"
+        android:interpolator="@anim/accelerate_interpolator">
+    <scale android:fromXScale="1.0" android:toXScale="0.9"
+           android:fromYScale="1.0" android:toYScale="0.9"
            android:pivotX="50%" android:pivotY="50%"
-           android:duration="@android:integer/config_mediumAnimTime" />
-    <alpha android:fromAlpha="1.0" android:toAlpha="0"
-            android:duration="@android:integer/config_mediumAnimTime"/>
+           android:duration="@android:integer/config_shortAnimTime" />
+    <alpha android:fromAlpha="1.0" android:toAlpha="0.0"
+            android:duration="@android:integer/config_shortAnimTime"/>
 </set>
diff --git a/core/res/res/anim/task_open_exit.xml b/core/res/res/anim/task_open_exit.xml
index 98975fb92fcc6..db331b156c98b 100644
--- a/core/res/res/anim/task_open_exit.xml
+++ b/core/res/res/anim/task_open_exit.xml
@@ -18,8 +18,7 @@
 -->
 
 <set xmlns:android="http://schemas.android.com/apk/res/android"
-        android:interpolator="@anim/decelerate_interpolator"
-        android:zAdjustment="top">
+        android:interpolator="@anim/decelerate_interpolator">
     <scale android:fromXScale="1.0" android:toXScale="2.0"
            android:fromYScale="1.0" android:toYScale="2.0"
            android:pivotX="50%p" android:pivotY="50%p"
diff --git a/core/res/res/anim/translucent_enter.xml b/core/res/res/anim/translucent_enter.xml
index fb4c1c3ae20e5..04852a88a72e9 100644
--- a/core/res/res/anim/translucent_enter.xml
+++ b/core/res/res/anim/translucent_enter.xml
@@ -20,7 +20,7 @@
 <set xmlns:android="http://schemas.android.com/apk/res/android"
         android:interpolator="@anim/decelerate_interpolator">
 	<translate android:fromXDelta="75%" android:toXDelta="0"
-        android:duration="@android:integer/config_mediumAnimTime"/>
+        android:duration="@android:integer/config_shortAnimTime"/>
     <alpha android:fromAlpha="0.0" android:toAlpha="1.0"
-            android:duration="@android:integer/config_mediumAnimTime"/>
+            android:duration="@android:integer/config_shortAnimTime"/>
 </set>
diff --git a/core/res/res/anim/translucent_exit.xml b/core/res/res/anim/translucent_exit.xml
index 1d424e18d3be8..adaf3d1b12c3c 100644
--- a/core/res/res/anim/translucent_exit.xml
+++ b/core/res/res/anim/translucent_exit.xml
@@ -20,7 +20,7 @@
 <set xmlns:android="http://schemas.android.com/apk/res/android"
         android:interpolator="@anim/accelerate_interpolator">
 	<translate android:fromXDelta="0%" android:toXDelta="75%"
-        android:duration="@android:integer/config_mediumAnimTime"/>
+        android:duration="@android:integer/config_shortAnimTime"/>
     <alpha android:fromAlpha="1.0" android:toAlpha="0"
-            android:duration="@android:integer/config_mediumAnimTime"/>
+            android:duration="@android:integer/config_shortAnimTime"/>
 </set>
diff --git a/core/res/res/anim/wallpaper_close_enter.xml b/core/res/res/anim/wallpaper_close_enter.xml
index e4c7e9bcc9d5b..0d130098eea2b 100644
--- a/core/res/res/anim/wallpaper_close_enter.xml
+++ b/core/res/res/anim/wallpaper_close_enter.xml
@@ -17,8 +17,22 @@
 */
 -->
 
+<!-- This version zooms the new non-wallpaper down on top of the
+     wallpaper. -->
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+        android:interpolator="@anim/decelerate_interpolator">
+    <scale android:fromXScale="2.0" android:toXScale="1.0"
+           android:fromYScale="2.0" android:toYScale="1.0"
+           android:pivotX="50%p" android:pivotY="50%p"
+           android:duration="@android:integer/config_mediumAnimTime" />
+</set>
+
+<!-- This version is a variation on the inter-activity slide that
+    also scales the wallpaper. -->
+<!--
 <set xmlns:android="http://schemas.android.com/apk/res/android"
         android:interpolator="@anim/decelerate_interpolator">
 	<translate android:fromXDelta="33%" android:toXDelta="0"
         android:duration="@android:integer/config_mediumAnimTime"/>
 </set>
+-->
diff --git a/core/res/res/anim/wallpaper_close_exit.xml b/core/res/res/anim/wallpaper_close_exit.xml
index 16edec1d41418..5d91e308f09ab 100644
--- a/core/res/res/anim/wallpaper_close_exit.xml
+++ b/core/res/res/anim/wallpaper_close_exit.xml
@@ -17,6 +17,22 @@
 */
 -->
 
+<!-- This version zooms the new non-wallpaper down on top of the
+     wallpaper.  The wallpaper here just stays fixed behind. -->
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+        android:interpolator="@anim/decelerate_interpolator"
+        android:zAdjustment="top">
+    <scale android:fromXScale="1.0" android:toXScale=".5"
+           android:fromYScale="1.0" android:toYScale=".5"
+           android:pivotX="50%p" android:pivotY="50%p"
+           android:duration="@android:integer/config_mediumAnimTime" />
+    <alpha android:fromAlpha="1.0" android:toAlpha="0"
+            android:duration="@android:integer/config_mediumAnimTime"/>
+</set>
+
+<!-- This version is a variation on the inter-activity slide that
+    also scales the wallpaper. -->
+<!--
 <set xmlns:android="http://schemas.android.com/apk/res/android"
         android:interpolator="@anim/decelerate_interpolator"
         android:zAdjustment="top">
@@ -27,3 +43,4 @@
 	<translate android:fromXDelta="0%" android:toXDelta="-100%"
         android:duration="@android:integer/config_mediumAnimTime"/>
 </set>
+-->
diff --git a/core/res/res/anim/wallpaper_open_enter.xml b/core/res/res/anim/wallpaper_open_enter.xml
index af22b47c3d2ce..cf27cf0458330 100644
--- a/core/res/res/anim/wallpaper_open_enter.xml
+++ b/core/res/res/anim/wallpaper_open_enter.xml
@@ -17,6 +17,22 @@
 */
 -->
 
+<!-- This version zooms the new non-wallpaper up off the wallpaper the
+     wallpaper.  The wallpaper here just stays fixed behind. -->
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+        android:interpolator="@anim/decelerate_interpolator"
+        android:zAdjustment="top">
+    <scale android:fromXScale=".5" android:toXScale="1.0"
+           android:fromYScale=".5" android:toYScale="1.0"
+           android:pivotX="50%p" android:pivotY="50%p"
+           android:duration="@android:integer/config_mediumAnimTime" />
+    <alpha android:fromAlpha="0.0" android:toAlpha="1.0"
+            android:duration="@android:integer/config_mediumAnimTime"/>
+</set>
+
+<!-- This version is a variation on the inter-activity slide that
+    also scales the wallpaper. -->
+<!--
 <set xmlns:android="http://schemas.android.com/apk/res/android"
         android:interpolator="@anim/decelerate_interpolator"
         android:zAdjustment="top">
@@ -27,3 +43,4 @@
 	<translate android:fromXDelta="-100%" android:toXDelta="0"
         android:duration="@android:integer/config_mediumAnimTime"/>
 </set>
+-->
diff --git a/core/res/res/anim/wallpaper_open_exit.xml b/core/res/res/anim/wallpaper_open_exit.xml
index 47cb6d69423b8..b7a539c1fc412 100644
--- a/core/res/res/anim/wallpaper_open_exit.xml
+++ b/core/res/res/anim/wallpaper_open_exit.xml
@@ -17,8 +17,22 @@
 */
 -->
 
+<!-- This version zooms the new non-wallpaper down on top of the
+     wallpaper. -->
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+        android:interpolator="@anim/decelerate_interpolator">
+    <scale android:fromXScale="1.0" android:toXScale="2.0"
+           android:fromYScale="1.0" android:toYScale="2.0"
+           android:pivotX="50%p" android:pivotY="50%p"
+           android:duration="@android:integer/config_mediumAnimTime" />
+</set>
+
+<!-- This version is a variation on the inter-activity slide that
+    also scales the wallpaper. -->
+<!--
 <set xmlns:android="http://schemas.android.com/apk/res/android"
         android:interpolator="@anim/decelerate_interpolator">
 	<translate android:fromXDelta="0%" android:toXDelta="33%"
         android:duration="@android:integer/config_mediumAnimTime"/>
 </set>
+-->
diff --git a/core/res/res/values/config.xml b/core/res/res/values/config.xml
index 769550314f8ce..7aeaec4511c6f 100644
--- a/core/res/res/values/config.xml
+++ b/core/res/res/values/config.xml
@@ -27,13 +27,13 @@
     <bool name="config_sf_limitedAlpha">false</bool>
     
     <!-- The duration (in milliseconds) of a short animation. -->
-    <integer name="config_shortAnimTime">100</integer>
+    <integer name="config_shortAnimTime">150</integer>
     
     <!-- The duration (in milliseconds) of a medium-length animation. -->
-    <integer name="config_mediumAnimTime">150</integer>
+    <integer name="config_mediumAnimTime">250</integer>
     
     <!-- The duration (in milliseconds) of a long animation. -->
-    <integer name="config_longAnimTime">300</integer>
+    <integer name="config_longAnimTime">400</integer>
 
     <!-- XXXXX NOTE THE FOLLOWING RESOURCES USE THE WRONG NAMING CONVENTION.
          Please don't copy them, copy anything else. -->
diff --git a/core/res/res/values/styles.xml b/core/res/res/values/styles.xml
index 35db8eed78b7d..bc8ec457f531b 100644
--- a/core/res/res/values/styles.xml
+++ b/core/res/res/values/styles.xml
@@ -58,6 +58,19 @@
         <item name="activityOpenExitAnimation">@anim/activity_open_exit</item>
         <item name="activityCloseEnterAnimation">@anim/activity_close_enter</item>
         <item name="activityCloseExitAnimation">@anim/activity_close_exit</item>
+        <item name="taskOpenEnterAnimation">@anim/activity_open_enter</item>
+        <item name="taskOpenExitAnimation">@anim/activity_open_exit</item>
+        <item name="taskCloseEnterAnimation">@anim/activity_close_enter</item>
+        <item name="taskCloseExitAnimation">@anim/activity_close_exit</item>
+        <item name="taskToFrontEnterAnimation">@anim/activity_open_enter</item>
+        <item name="taskToFrontExitAnimation">@anim/activity_open_exit</item>
+        <item name="taskToBackEnterAnimation">@anim/activity_close_enter</item>
+        <item name="taskToBackExitAnimation">@anim/activity_close_exit</item>
+        <!-- There is a good argument to be made that the user shouldn't
+             be aware of task transitions, so we are going to use the same
+             animation for them as we do for regular activity transitions. -->
+        <!-- These provide an alternative animation for task transitions. -->
+        <!--
         <item name="taskOpenEnterAnimation">@anim/task_open_enter</item>
         <item name="taskOpenExitAnimation">@anim/task_open_exit</item>
         <item name="taskCloseEnterAnimation">@anim/task_close_enter</item>
@@ -66,6 +79,7 @@
         <item name="taskToFrontExitAnimation">@anim/task_open_exit</item>
         <item name="taskToBackEnterAnimation">@anim/task_close_enter</item>
         <item name="taskToBackExitAnimation">@anim/task_close_exit</item>
+        -->
         <item name="wallpaperOpenEnterAnimation">@anim/wallpaper_open_enter</item>
         <item name="wallpaperOpenExitAnimation">@anim/wallpaper_open_exit</item>
         <item name="wallpaperCloseEnterAnimation">@anim/wallpaper_close_enter</item>
diff --git a/core/res/res/values/themes.xml b/core/res/res/values/themes.xml
index b29e57179ea90..fbdd2479f75c8 100644
--- a/core/res/res/values/themes.xml
+++ b/core/res/res/values/themes.xml
@@ -354,7 +354,7 @@
     <style name="Theme.NoDisplay">
         <item name="android:windowBackground">@null</item>
         <item name="android:windowContentOverlay">@null</item>
-        <item name="android:windowIsTranslucent">false</item>
+        <item name="android:windowIsTranslucent">true</item>
         <item name="android:windowAnimationStyle">@null</item>
         <item name="android:windowDisablePreview">true</item>
         <item name="android:windowNoDisplay">true</item>
diff --git a/packages/SettingsProvider/res/values/defaults.xml b/packages/SettingsProvider/res/values/defaults.xml
index d5f1c614192fe..db1b5f18dba74 100644
--- a/packages/SettingsProvider/res/values/defaults.xml
+++ b/packages/SettingsProvider/res/values/defaults.xml
@@ -29,7 +29,7 @@
     <integer name="def_screen_brightness">102</integer>
     <bool name="def_screen_brightness_automatic_mode">false</bool>
     <fraction name="def_window_animation_scale">100%</fraction>
-    <fraction name="def_window_transition_scale">0%</fraction>
+    <fraction name="def_window_transition_scale">100%</fraction>
     
     <bool name="def_bluetooth_on">false</bool>
     <bool name="def_install_non_market_apps">false</bool>
diff --git a/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java b/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
index f99eb5859d68d..c56107819b59c 100644
--- a/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
+++ b/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
@@ -71,7 +71,7 @@ public class DatabaseHelper extends SQLiteOpenHelper {
     // database gets upgraded properly. At a minimum, please confirm that 'upgradeVersion'
     // is properly propagated through your change.  Not doing so will result in a loss of user
     // settings.
-    private static final int DATABASE_VERSION = 40;
+    private static final int DATABASE_VERSION = 41;
 
     private Context mContext;
 
@@ -481,6 +481,27 @@ public class DatabaseHelper extends SQLiteOpenHelper {
             upgradeVersion = 40;
         }
 
+        if (upgradeVersion == 40) {
+            /*
+             * All animations are now turned on by default!
+             */
+            db.beginTransaction();
+            try {
+                db.execSQL("DELETE FROM system WHERE name='"
+                        + Settings.System.WINDOW_ANIMATION_SCALE + "'");
+                db.execSQL("DELETE FROM system WHERE name='"
+                        + Settings.System.TRANSITION_ANIMATION_SCALE + "'");
+                SQLiteStatement stmt = db.compileStatement("INSERT INTO system(name,value)"
+                        + " VALUES(?,?);");
+                loadDefaultAnimationSettings(stmt);
+                stmt.close();
+                db.setTransactionSuccessful();
+            } finally {
+                db.endTransaction();
+            }
+            upgradeVersion = 41;
+        }
+
         if (upgradeVersion != currentVersion) {
             Log.w(TAG, "Got stuck trying to upgrade from version " + upgradeVersion
                     + ", must wipe the settings provider");
diff --git a/services/java/com/android/server/WindowManagerService.java b/services/java/com/android/server/WindowManagerService.java
index bbf2a24a74da0..3c76cf2490896 100644
--- a/services/java/com/android/server/WindowManagerService.java
+++ b/services/java/com/android/server/WindowManagerService.java
@@ -372,7 +372,7 @@ public class WindowManagerService extends IWindowManager.Stub
     // perform or TRANSIT_NONE if we are not waiting.  If we are waiting,
     // mOpeningApps and mClosingApps are the lists of tokens that will be
     // made visible or hidden at the next transition.
-    int mNextAppTransition = WindowManagerPolicy.TRANSIT_NONE;
+    int mNextAppTransition = WindowManagerPolicy.TRANSIT_UNSET;
     boolean mAppTransitionReady = false;
     boolean mAppTransitionRunning = false;
     boolean mAppTransitionTimeout = false;
@@ -932,7 +932,7 @@ public class WindowManagerService extends IWindowManager.Stub
                             + " layer=" + highestTarget.mAnimLayer
                             + " new layer=" + w.mAnimLayer);
 
-                    if (mNextAppTransition != WindowManagerPolicy.TRANSIT_NONE) {
+                    if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
                         // If we are currently setting up for an animation,
                         // hold everything until we can find out what will happen.
                         mInputMethodTargetWaitingAnim = true;
@@ -1270,7 +1270,7 @@ public class WindowManagerService extends IWindowManager.Stub
             }
         }
 
-        if (mNextAppTransition != WindowManagerPolicy.TRANSIT_NONE) {
+        if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
             // If we are currently waiting for an app transition, and either
             // the current target or the next target are involved with it,
             // then hold off on doing anything with the wallpaper.
@@ -2542,7 +2542,7 @@ public class WindowManagerService extends IWindowManager.Stub
                                 : com.android.internal.R.styleable.WindowAnimation_wallpaperIntraCloseExitAnimation;
                         break;
                 }
-                a = loadAnimation(lp, animAttr);
+                a = animAttr != 0 ? loadAnimation(lp, animAttr) : null;
                 if (DEBUG_ANIM) Log.v(TAG, "applyAnimation: wtoken=" + wtoken
                         + " anim=" + a
                         + " animAttr=0x" + Integer.toHexString(animAttr)
@@ -2990,7 +2990,8 @@ public class WindowManagerService extends IWindowManager.Stub
                     TAG, "Prepare app transition: transit=" + transit
                     + " mNextAppTransition=" + mNextAppTransition);
             if (!mDisplayFrozen) {
-                if (mNextAppTransition == WindowManagerPolicy.TRANSIT_NONE) {
+                if (mNextAppTransition == WindowManagerPolicy.TRANSIT_UNSET
+                        || mNextAppTransition == WindowManagerPolicy.TRANSIT_NONE) {
                     mNextAppTransition = transit;
                 } else if (transit == WindowManagerPolicy.TRANSIT_TASK_OPEN
                         && mNextAppTransition == WindowManagerPolicy.TRANSIT_TASK_CLOSE) {
@@ -3025,7 +3026,7 @@ public class WindowManagerService extends IWindowManager.Stub
         synchronized(mWindowMap) {
             if (DEBUG_APP_TRANSITIONS) Log.v(
                     TAG, "Execute app transition: mNextAppTransition=" + mNextAppTransition);
-            if (mNextAppTransition != WindowManagerPolicy.TRANSIT_NONE) {
+            if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
                 mAppTransitionReady = true;
                 final long origId = Binder.clearCallingIdentity();
                 performLayoutAndPlaceSurfacesLocked();
@@ -3228,7 +3229,7 @@ public class WindowManagerService extends IWindowManager.Stub
 
             boolean runningAppAnimation = false;
 
-            if (transit != WindowManagerPolicy.TRANSIT_NONE) {
+            if (transit != WindowManagerPolicy.TRANSIT_UNSET) {
                 if (wtoken.animation == sDummyAnimation) {
                     wtoken.animation = null;
                 }
@@ -3328,7 +3329,7 @@ public class WindowManagerService extends IWindowManager.Stub
 
             // If we are preparing an app transition, then delay changing
             // the visibility of this token until we execute that transition.
-            if (!mDisplayFrozen && mNextAppTransition != WindowManagerPolicy.TRANSIT_NONE) {
+            if (!mDisplayFrozen && mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
                 // Already in requested state, don't do anything more.
                 if (wtoken.hiddenRequested != visible) {
                     return;
@@ -3367,7 +3368,7 @@ public class WindowManagerService extends IWindowManager.Stub
             }
 
             final long origId = Binder.clearCallingIdentity();
-            setTokenVisibilityLocked(wtoken, null, visible, WindowManagerPolicy.TRANSIT_NONE, true);
+            setTokenVisibilityLocked(wtoken, null, visible, WindowManagerPolicy.TRANSIT_UNSET, true);
             wtoken.updateReportedVisibilityLocked();
             Binder.restoreCallingIdentity(origId);
         }
@@ -3493,13 +3494,13 @@ public class WindowManagerService extends IWindowManager.Stub
             mTokenList.remove(basewtoken);
             if (basewtoken != null && (wtoken=basewtoken.appWindowToken) != null) {
                 if (DEBUG_APP_TRANSITIONS) Log.v(TAG, "Removing app token: " + wtoken);
-                delayed = setTokenVisibilityLocked(wtoken, null, false, WindowManagerPolicy.TRANSIT_NONE, true);
+                delayed = setTokenVisibilityLocked(wtoken, null, false, WindowManagerPolicy.TRANSIT_UNSET, true);
                 wtoken.inPendingTransaction = false;
                 mOpeningApps.remove(wtoken);
                 wtoken.waitingToShow = false;
                 if (mClosingApps.contains(wtoken)) {
                     delayed = true;
-                } else if (mNextAppTransition != WindowManagerPolicy.TRANSIT_NONE) {
+                } else if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
                     mClosingApps.add(wtoken);
                     wtoken.waitingToHide = true;
                     delayed = true;
@@ -3781,7 +3782,7 @@ public class WindowManagerService extends IWindowManager.Stub
                 AppWindowToken wt = findAppWindowToken(tokens.get(i));
                 if (wt != null) {
                     mAppTokens.add(wt);
-                    if (mNextAppTransition != WindowManagerPolicy.TRANSIT_NONE) {
+                    if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
                         mToTopApps.remove(wt);
                         mToBottomApps.remove(wt);
                         mToTopApps.add(wt);
@@ -3791,7 +3792,7 @@ public class WindowManagerService extends IWindowManager.Stub
                 }
             }
             
-            if (mNextAppTransition == WindowManagerPolicy.TRANSIT_NONE) {
+            if (mNextAppTransition == WindowManagerPolicy.TRANSIT_UNSET) {
                 moveAppWindowsLocked(tokens, mAppTokens.size());
             }
         }
@@ -3813,7 +3814,7 @@ public class WindowManagerService extends IWindowManager.Stub
                 AppWindowToken wt = findAppWindowToken(tokens.get(i));
                 if (wt != null) {
                     mAppTokens.add(pos, wt);
-                    if (mNextAppTransition != WindowManagerPolicy.TRANSIT_NONE) {
+                    if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
                         mToTopApps.remove(wt);
                         mToBottomApps.remove(wt);
                         mToBottomApps.add(i, wt);
@@ -3824,7 +3825,7 @@ public class WindowManagerService extends IWindowManager.Stub
                 }
             }
             
-            if (mNextAppTransition == WindowManagerPolicy.TRANSIT_NONE) {
+            if (mNextAppTransition == WindowManagerPolicy.TRANSIT_UNSET) {
                 moveAppWindowsLocked(tokens, 0);
             }
         }
@@ -7459,7 +7460,7 @@ public class WindowManagerService extends IWindowManager.Stub
          */
         boolean isReadyForDisplay() {
             if (mRootToken.waitingToShow &&
-                    mNextAppTransition != WindowManagerPolicy.TRANSIT_NONE) {
+                    mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
                 return false;
             }
             final AppWindowToken atoken = mAppToken;
@@ -8530,7 +8531,7 @@ public class WindowManagerService extends IWindowManager.Stub
 
                 case APP_TRANSITION_TIMEOUT: {
                     synchronized (mWindowMap) {
-                        if (mNextAppTransition != WindowManagerPolicy.TRANSIT_NONE) {
+                        if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
                             if (DEBUG_APP_TRANSITIONS) Log.v(TAG,
                                     "*** APP TRANSITION TIMEOUT");
                             mAppTransitionReady = true;
@@ -9074,9 +9075,9 @@ public class WindowManagerService extends IWindowManager.Stub
                         if (DEBUG_APP_TRANSITIONS) Log.v(TAG, "**** GOOD TO GO");
                         int transit = mNextAppTransition;
                         if (mSkipAppTransitionAnimation) {
-                            transit = WindowManagerPolicy.TRANSIT_NONE;
+                            transit = WindowManagerPolicy.TRANSIT_UNSET;
                         }
-                        mNextAppTransition = WindowManagerPolicy.TRANSIT_NONE;
+                        mNextAppTransition = WindowManagerPolicy.TRANSIT_UNSET;
                         mAppTransitionReady = false;
                         mAppTransitionRunning = true;
                         mAppTransitionTimeout = false;
@@ -10092,8 +10093,8 @@ public class WindowManagerService extends IWindowManager.Stub
         }
 
         mDisplayFrozen = true;
-        if (mNextAppTransition != WindowManagerPolicy.TRANSIT_NONE) {
-            mNextAppTransition = WindowManagerPolicy.TRANSIT_NONE;
+        if (mNextAppTransition != WindowManagerPolicy.TRANSIT_UNSET) {
+            mNextAppTransition = WindowManagerPolicy.TRANSIT_UNSET;
             mAppTransitionReady = true;
         }
 
diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index d4f7207ecbd41..82664eba49b42 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -457,6 +457,13 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
     final ArrayList<HistoryRecord> mStoppingActivities
             = new ArrayList<HistoryRecord>();
 
+    /**
+     * Animations that for the current transition have requested not to
+     * be considered for the transition animation.
+     */
+    final ArrayList<HistoryRecord> mNoAnimActivities
+            = new ArrayList<HistoryRecord>();
+    
     /**
      * List of intents that were used to start the most recent tasks.
      */
@@ -2249,6 +2256,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
         next.resumeKeyDispatchingLocked();
         ensureActivitiesVisibleLocked(null, 0);
         mWindowManager.executeAppTransition();
+        mNoAnimActivities.clear();
 
         // Mark the point when the activity is resuming
         // TODO: To be more accurate, the mark should be before the onCreate,
@@ -2565,6 +2573,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
             // Make sure we have executed any pending transitions, since there
             // should be nothing left to do at this point.
             mWindowManager.executeAppTransition();
+            mNoAnimActivities.clear();
             return false;
         }
 
@@ -2575,6 +2584,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
             // Make sure we have executed any pending transitions, since there
             // should be nothing left to do at this point.
             mWindowManager.executeAppTransition();
+            mNoAnimActivities.clear();
             return false;
         }
         
@@ -2637,17 +2647,25 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
             if (prev.finishing) {
                 if (DEBUG_TRANSITION) Log.v(TAG,
                         "Prepare close transition: prev=" + prev);
-                mWindowManager.prepareAppTransition(prev.task == next.task
-                        ? WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE
-                        : WindowManagerPolicy.TRANSIT_TASK_CLOSE);
+                if (mNoAnimActivities.contains(prev)) {
+                    mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_NONE);
+                } else {
+                    mWindowManager.prepareAppTransition(prev.task == next.task
+                            ? WindowManagerPolicy.TRANSIT_ACTIVITY_CLOSE
+                            : WindowManagerPolicy.TRANSIT_TASK_CLOSE);
+                }
                 mWindowManager.setAppWillBeHidden(prev);
                 mWindowManager.setAppVisibility(prev, false);
             } else {
                 if (DEBUG_TRANSITION) Log.v(TAG,
                         "Prepare open transition: prev=" + prev);
-                mWindowManager.prepareAppTransition(prev.task == next.task
-                        ? WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN
-                        : WindowManagerPolicy.TRANSIT_TASK_OPEN);
+                if (mNoAnimActivities.contains(next)) {
+                    mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_NONE);
+                } else {
+                    mWindowManager.prepareAppTransition(prev.task == next.task
+                            ? WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN
+                            : WindowManagerPolicy.TRANSIT_TASK_OPEN);
+                }
             }
             if (false) {
                 mWindowManager.setAppWillBeHidden(prev);
@@ -2656,7 +2674,11 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
         } else if (mHistory.size() > 1) {
             if (DEBUG_TRANSITION) Log.v(TAG,
                     "Prepare open transition: no previous");
-            mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN);
+            if (mNoAnimActivities.contains(next)) {
+                mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_NONE);
+            } else {
+                mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN);
+            }
         }
 
         if (next.app != null && next.app.thread != null) {
@@ -2699,6 +2721,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
                     mHandler.sendEmptyMessage(RESUME_TOP_ACTIVITY_MSG);
                 }
                 mWindowManager.executeAppTransition();
+                mNoAnimActivities.clear();
                 return true;
             }
             
@@ -2859,9 +2882,18 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
             }
             if (DEBUG_TRANSITION) Log.v(TAG,
                     "Prepare open transition: starting " + r);
-            mWindowManager.prepareAppTransition(newTask
-                    ? WindowManagerPolicy.TRANSIT_TASK_OPEN
-                    : WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN);
+            if ((r.intent.getFlags()&Intent.FLAG_ACTIVITY_NO_ANIMATION) != 0) {
+                mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_NONE);
+                mNoAnimActivities.add(r);
+            } else if ((r.intent.getFlags()&Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET) != 0) {
+                mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_TASK_OPEN);
+                mNoAnimActivities.remove(r);
+            } else {
+                mWindowManager.prepareAppTransition(newTask
+                        ? WindowManagerPolicy.TRANSIT_TASK_OPEN
+                        : WindowManagerPolicy.TRANSIT_ACTIVITY_OPEN);
+                mNoAnimActivities.remove(r);
+            }
             mWindowManager.addAppToken(
                     addPos, r, r.task.taskId, r.info.screenOrientation, r.fullscreen);
             boolean doShow = true;
@@ -3336,7 +3368,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
                         if (callerAtFront) {
                             // We really do want to push this one into the
                             // user's face, right now.
-                            moveTaskToFrontLocked(taskTop.task);
+                            moveTaskToFrontLocked(taskTop.task, r);
                         }
                     }
                     // If the caller has requested that the target task be
@@ -6922,14 +6954,14 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
                 for (int i=0; i<N; i++) {
                     TaskRecord tr = mRecentTasks.get(i);
                     if (tr.taskId == task) {
-                        moveTaskToFrontLocked(tr);
+                        moveTaskToFrontLocked(tr, null);
                         return;
                     }
                 }
                 for (int i=mHistory.size()-1; i>=0; i--) {
                     HistoryRecord hr = (HistoryRecord)mHistory.get(i);
                     if (hr.task.taskId == task) {
-                        moveTaskToFrontLocked(hr.task);
+                        moveTaskToFrontLocked(hr.task, null);
                         return;
                     }
                 }
@@ -6939,7 +6971,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
         }
     }
 
-    private final void moveTaskToFrontLocked(TaskRecord tr) {
+    private final void moveTaskToFrontLocked(TaskRecord tr, HistoryRecord reason) {
         if (DEBUG_SWITCH) Log.v(TAG, "moveTaskToFront: " + tr);
 
         final int task = tr.taskId;
@@ -6950,10 +6982,6 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
             return;
         }
 
-        if (DEBUG_TRANSITION) Log.v(TAG,
-                "Prepare to front transition: task=" + tr);
-        mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_TASK_TO_FRONT);
-        
         ArrayList moved = new ArrayList();
 
         // Applying the affinities may have removed entries from the history,
@@ -6982,6 +7010,19 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
             pos--;
         }
 
+        if (DEBUG_TRANSITION) Log.v(TAG,
+                "Prepare to front transition: task=" + tr);
+        if (reason != null &&
+                (reason.intent.getFlags()&Intent.FLAG_ACTIVITY_NO_ANIMATION) != 0) {
+            mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_NONE);
+            HistoryRecord r = topRunningActivityLocked(null);
+            if (r != null) {
+                mNoAnimActivities.add(r);
+            }
+        } else {
+            mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_TASK_TO_FRONT);
+        }
+        
         mWindowManager.moveAppTokensToTop(moved);
         if (VALIDATE_TOKENS) {
             mWindowManager.validateAppTokens(mHistory);
@@ -7007,7 +7048,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
                 }
             }
             final long origId = Binder.clearCallingIdentity();
-            moveTaskToBackLocked(task);
+            moveTaskToBackLocked(task, null);
             Binder.restoreCallingIdentity(origId);
         }
     }
@@ -7026,7 +7067,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
             final long origId = Binder.clearCallingIdentity();
             int taskId = getTaskForActivityLocked(token, !nonRoot);
             if (taskId >= 0) {
-                return moveTaskToBackLocked(taskId);
+                return moveTaskToBackLocked(taskId, null);
             }
             Binder.restoreCallingIdentity(origId);
         }
@@ -7044,7 +7085,7 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
      * @param task The taskId to collect and move to the bottom.
      * @return Returns true if the move completed, false if not.
      */
-    private final boolean moveTaskToBackLocked(int task) {
+    private final boolean moveTaskToBackLocked(int task, HistoryRecord reason) {
         Log.i(TAG, "moveTaskToBack: " + task);
         
         // If we have a watcher, preflight the move before committing to it.  First check
@@ -7095,6 +7136,16 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
             pos++;
         }
 
+        if (reason != null &&
+                (reason.intent.getFlags()&Intent.FLAG_ACTIVITY_NO_ANIMATION) != 0) {
+            mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_NONE);
+            HistoryRecord r = topRunningActivityLocked(null);
+            if (r != null) {
+                mNoAnimActivities.add(r);
+            }
+        } else {
+            mWindowManager.prepareAppTransition(WindowManagerPolicy.TRANSIT_TASK_TO_FRONT);
+        }
         mWindowManager.moveAppTokensToBottom(moved);
         if (VALIDATE_TOKENS) {
             mWindowManager.validateAppTokens(mHistory);