diff --git a/Android.bp b/Android.bp
index 13a926b..07fba7f 100644
--- a/Android.bp
+++ b/Android.bp
@@ -305,6 +305,7 @@
         enabled: false,
     },
 
+    certificate: "platform",
     platform_apis: true,
     min_sdk_version: "current",
     target_sdk_version: "current",
diff --git a/AndroidManifest-common.xml b/AndroidManifest-common.xml
index 8cab2b5..8b75107 100644
--- a/AndroidManifest-common.xml
+++ b/AndroidManifest-common.xml
@@ -46,6 +46,8 @@
     <uses-permission android:name="android.permission.WAKEUP_SURFACE_FLINGER" />
     <uses-permission android:name="android.permission.POST_NOTIFICATIONS" />
 
+    <uses-permission android:name="android.permission.DEVICE_POWER" />
+
     <!--
     Permissions required for read/write access to the workspace data. These permission name
     should not conflict with that defined in other apps, as such an app should embed its package
diff --git a/src/com/android/launcher3/touch/WorkspaceTouchListener.java b/src/com/android/launcher3/touch/WorkspaceTouchListener.java
index 0ff10c2..a957e7a 100644
--- a/src/com/android/launcher3/touch/WorkspaceTouchListener.java
+++ b/src/com/android/launcher3/touch/WorkspaceTouchListener.java
@@ -27,8 +27,10 @@
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_SPLIT_SELECTION_EXIT_INTERRUPTED;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_WORKSPACE_LONGPRESS;
 
+import android.content.Context;
 import android.graphics.PointF;
 import android.graphics.Rect;
+import android.os.PowerManager;
 import android.view.GestureDetector;
 import android.view.HapticFeedbackConstants;
 import android.view.MotionEvent;
@@ -73,6 +75,8 @@
 
     private int mLongPressState = STATE_CANCELLED;
 
+    private final PowerManager mPm;
+
     private final GestureDetector mGestureDetector;
 
     public WorkspaceTouchListener(Launcher launcher, Workspace<?> workspace) {
@@ -81,6 +85,7 @@
         // Use twice the touch slop as we are looking for long press which is more
         // likely to cause movement.
         mTouchSlop = 2 * ViewConfiguration.get(launcher).getScaledTouchSlop();
+        mPm = (PowerManager) workspace.getContext().getSystemService(Context.POWER_SERVICE);
         mGestureDetector = new GestureDetector(workspace.getContext(), this);
     }
 
@@ -215,4 +220,10 @@
             }
         }
     }
+
+    @Override
+    public boolean onDoubleTap(MotionEvent event) {
+        mPm.goToSleep(event.getEventTime());
+        return true;
+    }
 }