diff --git a/services/core/java/com/android/server/wm/RootWindowContainer.java b/services/core/java/com/android/server/wm/RootWindowContainer.java
index a65eca832f48f..72cd32f8d0579 100644
--- a/services/core/java/com/android/server/wm/RootWindowContainer.java
+++ b/services/core/java/com/android/server/wm/RootWindowContainer.java
@@ -48,6 +48,7 @@ import static com.android.server.wm.ActivityStack.ActivityState.PAUSED;
 import static com.android.server.wm.ActivityStack.ActivityState.RESUMED;
 import static com.android.server.wm.ActivityStack.ActivityState.STOPPED;
 import static com.android.server.wm.ActivityStack.ActivityState.STOPPING;
+import static com.android.server.wm.ActivityStack.STACK_VISIBILITY_INVISIBLE;
 import static com.android.server.wm.ActivityStackSupervisor.DEFER_RESUME;
 import static com.android.server.wm.ActivityStackSupervisor.ON_TOP;
 import static com.android.server.wm.ActivityStackSupervisor.dumpHistoryList;
@@ -1931,24 +1932,29 @@ class RootWindowContainer extends WindowContainer<DisplayContent>
     }
 
     boolean attachApplication(WindowProcessController app) throws RemoteException {
-        final String processName = app.mName;
         boolean didSomething = false;
         for (int displayNdx = getChildCount() - 1; displayNdx >= 0; --displayNdx) {
-            final DisplayContent display = getChildAt(displayNdx);
-            final ActivityStack stack = display.getFocusedStack();
-            if (stack == null) {
-                continue;
-            }
-
             mTmpRemoteException = null;
             mTmpBoolean = false; // Set to true if an activity was started.
-            final PooledFunction c = PooledLambda.obtainFunction(
-                    RootWindowContainer::startActivityForAttachedApplicationIfNeeded, this,
-                    PooledLambda.__(ActivityRecord.class), app, stack.topRunningActivity());
-            stack.forAllActivities(c);
-            c.recycle();
-            if (mTmpRemoteException != null) {
-                throw mTmpRemoteException;
+
+            final DisplayContent display = getChildAt(displayNdx);
+            for (int areaNdx = display.getTaskDisplayAreaCount() - 1; areaNdx >= 0; --areaNdx) {
+                final TaskDisplayArea taskDisplayArea = display.getTaskDisplayAreaAt(areaNdx);
+                for (int taskNdx = taskDisplayArea.getStackCount() - 1; taskNdx >= 0; --taskNdx) {
+                    final ActivityStack rootTask = taskDisplayArea.getStackAt(taskNdx);
+                    if (rootTask.getVisibility(null /*starting*/) == STACK_VISIBILITY_INVISIBLE) {
+                        break;
+                    }
+                    final PooledFunction c = PooledLambda.obtainFunction(
+                            RootWindowContainer::startActivityForAttachedApplicationIfNeeded, this,
+                            PooledLambda.__(ActivityRecord.class), app,
+                            rootTask.topRunningActivity());
+                    rootTask.forAllActivities(c);
+                    c.recycle();
+                    if (mTmpRemoteException != null) {
+                        throw mTmpRemoteException;
+                    }
+                }
             }
             didSomething |= mTmpBoolean;
         }
@@ -1966,8 +1972,8 @@ class RootWindowContainer extends WindowContainer<DisplayContent>
         }
 
         try {
-            if (mStackSupervisor.realStartActivityLocked(r, app, top == r /*andResume*/,
-                    true /*checkConfig*/)) {
+            if (mStackSupervisor.realStartActivityLocked(r, app,
+                    top == r && r.isFocusable() /*andResume*/, true /*checkConfig*/)) {
                 mTmpBoolean = true;
             }
         } catch (RemoteException e) {
diff --git a/services/core/java/com/android/server/wm/Task.java b/services/core/java/com/android/server/wm/Task.java
index 3a750f2c9da37..db3c74fc94af9 100644
--- a/services/core/java/com/android/server/wm/Task.java
+++ b/services/core/java/com/android/server/wm/Task.java
@@ -3671,6 +3671,10 @@ class Task extends WindowContainer<WindowContainer> {
             return STACK_VISIBILITY_INVISIBLE;
         }
 
+        if (isTopActivityLaunchedBehind()) {
+            return STACK_VISIBILITY_VISIBLE;
+        }
+
         boolean gotSplitScreenStack = false;
         boolean gotOpaqueSplitScreenPrimary = false;
         boolean gotOpaqueSplitScreenSecondary = false;
@@ -3788,6 +3792,14 @@ class Task extends WindowContainer<WindowContainer> {
                 : STACK_VISIBILITY_VISIBLE;
     }
 
+    private boolean isTopActivityLaunchedBehind() {
+        final ActivityRecord top = topRunningActivity();
+        if (top != null && top.mLaunchTaskBehind) {
+            return true;
+        }
+        return false;
+    }
+
     ActivityRecord isInTask(ActivityRecord r) {
         if (r == null) {
             return null;
diff --git a/services/tests/wmtests/src/com/android/server/wm/ActivityRecordTests.java b/services/tests/wmtests/src/com/android/server/wm/ActivityRecordTests.java
index 02a3bb1f56327..a37f4be506e59 100644
--- a/services/tests/wmtests/src/com/android/server/wm/ActivityRecordTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/ActivityRecordTests.java
@@ -548,7 +548,7 @@ public class ActivityRecordTests extends ActivityTestsBase {
         final ActivityStack stack = new StackBuilder(mRootWindowContainer).build();
         try {
             doReturn(false).when(stack).isTranslucent(any());
-            assertFalse(mStack.shouldBeVisible(null /* starting */));
+            assertTrue(mStack.shouldBeVisible(null /* starting */));
 
             mActivity.setLastReportedConfiguration(new MergedConfiguration(new Configuration(),
                     mActivity.getConfiguration()));