Merge "Adding user activity when the challenge is slid down" into jb-mr1-lockscreen-dev
diff --git a/core/java/android/view/IWindowManager.aidl b/core/java/android/view/IWindowManager.aidl
index fdaf39e..0fe2a8e 100644
--- a/core/java/android/view/IWindowManager.aidl
+++ b/core/java/android/view/IWindowManager.aidl
@@ -1,16 +1,16 @@
 /*
 ** Copyright 2006, 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.
 */
 
@@ -107,7 +107,7 @@
     Configuration updateOrientationFromAppTokens(in Configuration currentConfig,
             IBinder freezeThisOneIfNeeded);
     void setNewConfiguration(in Configuration config);
-    
+
     void startFreezingScreen(int exitAnim, int enterAnim);
     void stopFreezingScreen();
 
@@ -121,13 +121,13 @@
     void dismissKeyguard();
 
     void closeSystemDialogs(String reason);
-    
+
     // These can only be called with the SET_ANIMATON_SCALE permission.
     float getAnimationScale(int which);
     float[] getAnimationScales();
     void setAnimationScale(int which, float scale);
     void setAnimationScales(in float[] scales);
-    
+
     // For testing
     void setInTouchMode(boolean showFocus);
 
@@ -161,7 +161,7 @@
      * {@link android.view.Surface}.
      */
     int getRotation();
-    
+
     /**
      * Watch the rotation of the screen.  Returns the current rotation,
      * calls back when it changes.
@@ -175,24 +175,24 @@
      */
     int getPreferredOptionsPanelGravity();
 
-	/**
-	 * Lock the device orientation to the specified rotation, or to the
-	 * current rotation if -1.  Sensor input will be ignored until
-	 * thawRotation() is called.
-	 * @hide
-	 */
-	void freezeRotation(int rotation);
+    /**
+     * Lock the device orientation to the specified rotation, or to the
+     * current rotation if -1.  Sensor input will be ignored until
+     * thawRotation() is called.
+     * @hide
+     */
+    void freezeRotation(int rotation);
 
-	/**
-	 * Release the orientation lock imposed by freezeRotation().
-	 * @hide
-	 */
-	void thawRotation();
+    /**
+     * Release the orientation lock imposed by freezeRotation().
+     * @hide
+     */
+    void thawRotation();
 
-	/**
-	 * Create a screenshot of the applications currently displayed.
-	 */
-	Bitmap screenshotApplications(IBinder appToken, int displayId, int maxWidth, int maxHeight);
+    /**
+     * Create a screenshot of the applications currently displayed.
+     */
+    Bitmap screenshotApplications(IBinder appToken, int displayId, int maxWidth, int maxHeight);
 
     /**
      * Called by the status bar to notify Views of changes to System UI visiblity.
@@ -259,4 +259,10 @@
      * Device is in safe mode.
      */
     boolean isSafeModeEnabled();
+
+    /**
+     * Tell keyguard to show the assistant (Intent.ACTION_ASSIST) after asking for the user's
+     * credentials.
+     */
+    void showAssistant();
 }
diff --git a/core/java/android/view/WindowManagerPolicy.java b/core/java/android/view/WindowManagerPolicy.java
index 4ccb502..26739b3 100644
--- a/core/java/android/view/WindowManagerPolicy.java
+++ b/core/java/android/view/WindowManagerPolicy.java
@@ -1136,4 +1136,10 @@
      * @param args additional arguments to the dump request.
      */
     public void dump(String prefix, PrintWriter writer, String[] args);
+
+    /**
+     * Ask keyguard to invoke the assist intent after dismissing keyguard
+     * {@link android.content.Intent#ACTION_ASSIST}
+     */
+    public void showAssistant();
 }
diff --git a/core/res/res/anim/keyguard_action_assist_enter.xml b/core/res/res/anim/keyguard_action_assist_enter.xml
new file mode 100644
index 0000000..f3333b7
--- /dev/null
+++ b/core/res/res/anim/keyguard_action_assist_enter.xml
@@ -0,0 +1,32 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2012, 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.
+*/
+-->
+
+<set xmlns:android="http://schemas.android.com/apk/res/android"
+        android:shareInterpolator="false" android:zAdjustment="top">
+
+    <alpha android:fromAlpha="0" android:toAlpha="1.0"
+            android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
+            android:interpolator="@android:interpolator/decelerate_cubic"
+            android:duration="300"/>
+
+    <translate android:fromYDelta="100%" android:toYDelta="0"
+            android:fillEnabled="true" android:fillBefore="true" android:fillAfter="true"
+            android:interpolator="@android:interpolator/decelerate_cubic"
+            android:duration="300" />
+</set>
diff --git a/core/res/res/anim/keyguard_action_assist_exit.xml b/core/res/res/anim/keyguard_action_assist_exit.xml
new file mode 100644
index 0000000..b4ed278
--- /dev/null
+++ b/core/res/res/anim/keyguard_action_assist_exit.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/*
+** Copyright 2012, 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.
+*/
+-->
+
+<translate xmlns:android="http://schemas.android.com/apk/res/android"
+       android:interpolator="@android:anim/accelerate_interpolator"
+       android:fromXDelta="0" android:toXDelta="0"
+       android:duration="300" />
diff --git a/core/res/res/layout/keyguard_account_view.xml b/core/res/res/layout/keyguard_account_view.xml
index 8bc1da2..fa36371 100644
--- a/core/res/res/layout/keyguard_account_view.xml
+++ b/core/res/res/layout/keyguard_account_view.xml
@@ -75,7 +75,7 @@
     </RelativeLayout>
 
     <!--  no room for ECA on this screen right now
-    <include layout="@layout/keyguard_emergency_carrier_area"
+    <include layout="@layout/keyguard_eca"
         android:id="@+id/keyguard_selector_fade_container"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
diff --git a/core/res/res/layout/keyguard_emergency_carrier_area_empty.xml b/core/res/res/layout/keyguard_emergency_carrier_area_empty.xml
new file mode 100644
index 0000000..2f4adae
--- /dev/null
+++ b/core/res/res/layout/keyguard_emergency_carrier_area_empty.xml
@@ -0,0 +1,31 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+**
+** Copyright 2012, 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.
+*/
+-->
+
+<!-- This is a blank layout to simplify implementation on landscape on phones
+     it is referenced indirectly by keyguard_eca -->
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="0dip"
+    android:layout_height="0dip"
+    android:orientation="vertical"
+    android:gravity="center"
+    android:layout_gravity="center_horizontal"
+    android:layout_alignParentBottom="true">
+
+</LinearLayout>
diff --git a/core/res/res/layout/keyguard_face_unlock_view.xml b/core/res/res/layout/keyguard_face_unlock_view.xml
index 12b6052..c9f1176 100644
--- a/core/res/res/layout/keyguard_face_unlock_view.xml
+++ b/core/res/res/layout/keyguard_face_unlock_view.xml
@@ -68,7 +68,7 @@
        </com.android.internal.widget.FaceUnlockView>
     </FrameLayout>
 
-    <include layout="@layout/keyguard_emergency_carrier_area"
+    <include layout="@layout/keyguard_eca"
         android:id="@+id/keyguard_selector_fade_container"
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
diff --git a/core/res/res/layout/keyguard_password_view.xml b/core/res/res/layout/keyguard_password_view.xml
index b9a0553..aab54c3 100644
--- a/core/res/res/layout/keyguard_password_view.xml
+++ b/core/res/res/layout/keyguard_password_view.xml
@@ -93,7 +93,7 @@
         android:layout_weight="1"
         />
 
-    <include layout="@layout/keyguard_emergency_carrier_area"
+    <include layout="@layout/keyguard_eca"
              android:id="@+id/keyguard_selector_fade_container"
              android:layout_width="match_parent"
              android:layout_height="wrap_content"
diff --git a/core/res/res/layout/keyguard_pattern_view.xml b/core/res/res/layout/keyguard_pattern_view.xml
index 7eb7698..8d0d3f9 100644
--- a/core/res/res/layout/keyguard_pattern_view.xml
+++ b/core/res/res/layout/keyguard_pattern_view.xml
@@ -64,7 +64,7 @@
                 android:gravity="center"
                 android:contentDescription="@string/keyguard_accessibility_pattern_area" />
           </FrameLayout>
-          <include layout="@layout/keyguard_emergency_carrier_area"
+          <include layout="@layout/keyguard_eca"
               android:id="@+id/keyguard_selector_fade_container"
               android:layout_width="match_parent"
               android:layout_height="wrap_content"
diff --git a/core/res/res/layout/keyguard_pin_view.xml b/core/res/res/layout/keyguard_pin_view.xml
index 5c26a53..e494b69 100644
--- a/core/res/res/layout/keyguard_pin_view.xml
+++ b/core/res/res/layout/keyguard_pin_view.xml
@@ -212,7 +212,7 @@
                />
        </LinearLayout>
     </LinearLayout>
-    <include layout="@layout/keyguard_emergency_carrier_area"
+    <include layout="@layout/keyguard_eca"
                    android:id="@+id/keyguard_selector_fade_container"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
diff --git a/core/res/res/layout/keyguard_selector_view.xml b/core/res/res/layout/keyguard_selector_view.xml
index 124bfc9..dfacb6a 100644
--- a/core/res/res/layout/keyguard_selector_view.xml
+++ b/core/res/res/layout/keyguard_selector_view.xml
@@ -53,7 +53,7 @@
 
         <include layout="@layout/keyguard_glow_pad_container" />
 
-        <include layout="@layout/keyguard_emergency_carrier_area"
+        <include layout="@layout/keyguard_eca"
             android:id="@+id/keyguard_selector_fade_container"
             android:layout_width="match_parent"
             android:layout_height="48dp"
diff --git a/core/res/res/layout/keyguard_sim_pin_view.xml b/core/res/res/layout/keyguard_sim_pin_view.xml
index 1c9c81e..026b025 100644
--- a/core/res/res/layout/keyguard_sim_pin_view.xml
+++ b/core/res/res/layout/keyguard_sim_pin_view.xml
@@ -218,7 +218,7 @@
        </LinearLayout>
     </LinearLayout>
 
-    <include layout="@layout/keyguard_emergency_carrier_area"
+    <include layout="@layout/keyguard_eca"
                    android:id="@+id/keyguard_selector_fade_container"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
diff --git a/core/res/res/layout/keyguard_sim_puk_view.xml b/core/res/res/layout/keyguard_sim_puk_view.xml
index 06bd014..28a9f9a 100644
--- a/core/res/res/layout/keyguard_sim_puk_view.xml
+++ b/core/res/res/layout/keyguard_sim_puk_view.xml
@@ -219,7 +219,7 @@
        </LinearLayout>
     </LinearLayout>
 
-    <include layout="@layout/keyguard_emergency_carrier_area"
+    <include layout="@layout/keyguard_eca"
                    android:id="@+id/keyguard_selector_fade_container"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
diff --git a/core/res/res/values-land/alias.xml b/core/res/res/values-land/alias.xml
new file mode 100644
index 0000000..eac5ece
--- /dev/null
+++ b/core/res/res/values-land/alias.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/* //device/apps/common/assets/res/any/colors.xml
+**
+** Copyright 2012, 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.
+*/
+-->
+<resources>
+    <!-- Alias used to reference one of two possible layouts in keyguard.  -->
+    <item type="layout" name="keyguard_eca">@android:layout/keyguard_emergency_carrier_area_empty</item>
+</resources>
diff --git a/core/res/res/values-port/alias.xml b/core/res/res/values-port/alias.xml
new file mode 100644
index 0000000..bf3eecb
--- /dev/null
+++ b/core/res/res/values-port/alias.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/* //device/apps/common/assets/res/any/colors.xml
+**
+** Copyright 2012, 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.
+*/
+-->
+<resources>
+    <!-- Alias used to reference one of two possible layouts in keyguard.  -->
+    <item type="layout" name="keyguard_eca">@android:layout/keyguard_emergency_carrier_area</item>
+</resources>
diff --git a/core/res/res/values-sw600dp/alias.xml b/core/res/res/values-sw600dp/alias.xml
new file mode 100644
index 0000000..bf3eecb
--- /dev/null
+++ b/core/res/res/values-sw600dp/alias.xml
@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+/* //device/apps/common/assets/res/any/colors.xml
+**
+** Copyright 2012, 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.
+*/
+-->
+<resources>
+    <!-- Alias used to reference one of two possible layouts in keyguard.  -->
+    <item type="layout" name="keyguard_eca">@android:layout/keyguard_emergency_carrier_area</item>
+</resources>
diff --git a/core/res/res/values/symbols.xml b/core/res/res/values/symbols.xml
index 10a8b1b..68a0289 100644
--- a/core/res/res/values/symbols.xml
+++ b/core/res/res/values/symbols.xml
@@ -1189,6 +1189,9 @@
   <java-symbol type="anim" name="keyguard_security_animate_out" />
   <java-symbol type="anim" name="keyguard_security_fade_in" />
   <java-symbol type="anim" name="keyguard_security_fade_out" />
+  <java-symbol type="anim" name="keyguard_action_assist_exit" />
+  <java-symbol type="anim" name="keyguard_action_assist_enter" />
+
   <java-symbol type="array" name="config_keyboardTapVibePattern" />
   <java-symbol type="array" name="config_longPressVibePattern" />
   <java-symbol type="array" name="config_safeModeDisabledVibePattern" />
diff --git a/packages/SystemUI/src/com/android/systemui/SearchPanelView.java b/packages/SystemUI/src/com/android/systemui/SearchPanelView.java
index 4b0e818..76613e0 100644
--- a/packages/SystemUI/src/com/android/systemui/SearchPanelView.java
+++ b/packages/SystemUI/src/com/android/systemui/SearchPanelView.java
@@ -26,11 +26,13 @@
 import android.content.Intent;
 import android.content.res.Resources;
 import android.os.RemoteException;
+import android.os.ServiceManager;
 import android.os.UserHandle;
 import android.os.Vibrator;
 import android.provider.Settings;
 import android.util.AttributeSet;
 import android.util.Slog;
+import android.view.IWindowManager;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
@@ -62,6 +64,7 @@
     private boolean mShowing;
     private View mSearchTargetsContainer;
     private GlowPadView mGlowPadView;
+    private IWindowManager mWm;
 
     public SearchPanelView(Context context, AttributeSet attrs) {
         this(context, attrs, 0);
@@ -70,6 +73,7 @@
     public SearchPanelView(Context context, AttributeSet attrs, int defStyle) {
         super(context, attrs, defStyle);
         mContext = context;
+        mWm = IWindowManager.Stub.asInterface(ServiceManager.getService("window"));
     }
 
     private void startAssistActivity() {
@@ -77,28 +81,13 @@
 
         // Close Recent Apps if needed
         mBar.animateCollapsePanels(CommandQueue.FLAG_EXCLUDE_SEARCH_PANEL);
-        // Launch Assist
-        Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
-                .getAssistIntent(mContext, UserHandle.USER_CURRENT);
-        if (intent == null) return;
 
-        // Dismiss the keyguard if possible. XXX: TODO: invoke bouncer.
         try {
-            ActivityManagerNative.getDefault().dismissKeyguardOnNextActivity();
+            mWm.showAssistant();
         } catch (RemoteException e) {
+            // too bad, so sad...
         }
-
-        try {
-            ActivityOptions opts = ActivityOptions.makeCustomAnimation(mContext,
-                    R.anim.search_launch_enter, R.anim.search_launch_exit,
-                    getHandler(), this);
-            intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
-            mContext.startActivityAsUser(intent, opts.toBundle(),
-                    new UserHandle(UserHandle.USER_CURRENT));
-        } catch (ActivityNotFoundException e) {
-            Slog.w(TAG, "Activity not found for " + intent.getAction());
-            onAnimationStarted();
-        }
+        onAnimationStarted();
     }
 
     class GlowPadTriggerListener implements GlowPadView.OnTriggerListener {
diff --git a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
index 54bf20d..d9c07f8 100755
--- a/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
+++ b/policy/src/com/android/internal/policy/impl/PhoneWindowManager.java
@@ -4540,6 +4540,11 @@
     }
 
     @Override
+    public void showAssistant() {
+        mKeyguardMediator.showAssistant();
+    }
+
+    @Override
     public void dump(String prefix, PrintWriter pw, String[] args) {
         pw.print(prefix); pw.print("mSafeMode="); pw.print(mSafeMode);
                 pw.print(" mSystemReady="); pw.print(mSystemReady);
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
index 5fa282d..8487f02 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardHostView.java
@@ -20,11 +20,13 @@
 import android.app.ActivityManager;
 import android.app.ActivityOptions;
 import android.app.AlertDialog;
+import android.app.SearchManager;
 import android.app.admin.DevicePolicyManager;
 import android.appwidget.AppWidgetHost;
 import android.appwidget.AppWidgetHostView;
 import android.appwidget.AppWidgetManager;
 import android.appwidget.AppWidgetProviderInfo;
+import android.content.ActivityNotFoundException;
 import android.content.ComponentName;
 import android.content.Context;
 import android.content.Intent;
@@ -37,6 +39,7 @@
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.os.SystemClock;
+import android.os.UserHandle;
 import android.os.UserManager;
 import android.util.AttributeSet;
 import android.util.Log;
@@ -156,6 +159,8 @@
         }
     };
 
+    private SlidingChallengeLayout mSlidingChallengeLayout;
+
     @Override
     public boolean onTouchEvent(MotionEvent ev) {
         boolean result = super.onTouchEvent(ev);
@@ -196,15 +201,14 @@
         mAppWidgetContainer.setDeleteDropTarget(deleteDropTarget);
         mAppWidgetContainer.setMinScale(0.5f);
 
-        SlidingChallengeLayout slider =
-                (SlidingChallengeLayout) findViewById(R.id.sliding_layout);
-        if (slider != null) {
-            slider.setOnChallengeScrolledListener(mViewStateManager);
+        mSlidingChallengeLayout = (SlidingChallengeLayout) findViewById(R.id.sliding_layout);
+        if (mSlidingChallengeLayout != null) {
+            mSlidingChallengeLayout.setOnChallengeScrolledListener(mViewStateManager);
         }
         mAppWidgetContainer.setViewStateManager(mViewStateManager);
         mAppWidgetContainer.setLockPatternUtils(mLockPatternUtils);
 
-        ChallengeLayout challenge = slider != null ? slider :
+        ChallengeLayout challenge = mSlidingChallengeLayout != null ? mSlidingChallengeLayout :
             (ChallengeLayout) findViewById(R.id.multi_pane_challenge);
         challenge.setOnBouncerStateChangedListener(mViewStateManager);
         mAppWidgetContainer.setBouncerAnimationDuration(challenge.getBouncerAnimationDuration());
@@ -741,6 +745,10 @@
         mAppWidgetContainer.setVisibility(
                 isSimOrAccount && fullScreenEnabled ? View.GONE : View.VISIBLE);
 
+        if (mSlidingChallengeLayout != null) {
+            mSlidingChallengeLayout.setChallengeInteractive(!fullScreenEnabled);
+        }
+
         // Emulate Activity life cycle
         if (oldView != null) {
             oldView.onPause();
@@ -1445,4 +1453,31 @@
     public void dismiss() {
         showNextSecurityScreenOrFinish(false);
     }
+
+    public void showAssistant() {
+        final Intent intent = ((SearchManager) mContext.getSystemService(Context.SEARCH_SERVICE))
+          .getAssistIntent(mContext, UserHandle.USER_CURRENT);
+
+        if (intent == null) return;
+
+        final ActivityOptions opts = ActivityOptions.makeCustomAnimation(mContext,
+                R.anim.keyguard_action_assist_enter, R.anim.keyguard_action_assist_exit,
+                getHandler(), null);
+
+        intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
+        setOnDismissAction(new OnDismissAction() {
+            @Override
+            public boolean onDismiss() {
+                try {
+                    mContext.startActivityAsUser(intent, opts.toBundle(),
+                                new UserHandle(UserHandle.USER_CURRENT));
+                    } catch (ActivityNotFoundException e) {
+                        Slog.w(TAG, "Activity not found for " + intent.getAction());
+                    }
+                return false;
+            }
+        });
+
+        mViewStateManager.showBouncer(true);
+    }
 }
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java
index 365c530..c81ff55 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewManager.java
@@ -168,6 +168,7 @@
 
             int flags = WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
                     | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR
+                    | WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN
                     | WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
 
             if (!mNeedsInput) {
@@ -424,4 +425,10 @@
     public synchronized boolean isShowing() {
         return (mKeyguardHost != null && mKeyguardHost.getVisibility() == View.VISIBLE);
     }
+
+    public void showAssistant() {
+        if (mKeyguardView != null) {
+            mKeyguardView.showAssistant();
+        }
+    }
 }
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewMediator.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewMediator.java
index 128930a..23c642d 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewMediator.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewMediator.java
@@ -116,6 +116,7 @@
     private static final int KEYGUARD_DONE_AUTHENTICATING = 11;
     private static final int SET_HIDDEN = 12;
     private static final int KEYGUARD_TIMEOUT = 13;
+    private static final int SHOW_ASSISTANT = 14;
 
     /**
      * The default amount of time we stay awake (used for all key input)
@@ -1130,6 +1131,9 @@
                         doKeyguardLocked((Bundle) msg.obj);
                     }
                     break;
+                case SHOW_ASSISTANT:
+                    handleShowAssistant();
+                    break;
             }
         }
     };
@@ -1393,4 +1397,13 @@
         return mKeyguardDonePending || !isSecure();
     }
 
+    public void showAssistant() {
+        Message msg = mHandler.obtainMessage(SHOW_ASSISTANT);
+        mHandler.sendMessage(msg);
+    }
+
+    public void handleShowAssistant() {
+        mKeyguardViewManager.showAssistant();
+    }
+
 }
diff --git a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewStateManager.java b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewStateManager.java
index 339e03f..0a166e1 100644
--- a/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewStateManager.java
+++ b/policy/src/com/android/internal/policy/impl/keyguard/KeyguardViewStateManager.java
@@ -120,6 +120,7 @@
         // once the user swipes a page we clear that behavior
         if (mKeyguardHostView != null) {
             mKeyguardHostView.clearAppWidgetToShow();
+            mKeyguardHostView.setOnDismissAction(null);
         }
         if (mHideHintsRunnable != null) {
             mMainQueue.removeCallbacks(mHideHintsRunnable);
@@ -324,6 +325,9 @@
             mKeyguardWidgetPager.zoomOutToBouncer();
         } else {
             mKeyguardWidgetPager.zoomInFromBouncer();
+            if (mKeyguardHostView != null) {
+                mKeyguardHostView.setOnDismissAction(null);
+            }
         }
     }
 }
diff --git a/services/java/com/android/server/wm/WindowManagerService.java b/services/java/com/android/server/wm/WindowManagerService.java
index 4659c9d..7e4490e 100755
--- a/services/java/com/android/server/wm/WindowManagerService.java
+++ b/services/java/com/android/server/wm/WindowManagerService.java
@@ -10352,6 +10352,15 @@
         return mSafeMode;
     }
 
+    public void showAssistant() {
+        // TODO: What permission?
+        if (mContext.checkCallingOrSelfPermission(android.Manifest.permission.DEVICE_POWER)
+                != PackageManager.PERMISSION_GRANTED) {
+            return;
+        }
+        mPolicy.showAssistant();
+    }
+
     void dumpPolicyLocked(PrintWriter pw, String[] args, boolean dumpAll) {
         pw.println("WINDOW MANAGER POLICY STATE (dumpsys window policy)");
         mPolicy.dump("    ", pw, args);
diff --git a/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java b/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
index fa2cb50..3e625f9 100644
--- a/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
+++ b/tools/layoutlib/bridge/src/android/view/IWindowManagerImpl.java
@@ -453,6 +453,11 @@
     }
 
     @Override
+    public void showAssistant() {
+
+    }
+
+    @Override
     public IBinder getFocusedWindowToken() {
         // TODO Auto-generated method stub
         return null;