diff --git a/services/core/java/com/android/server/wm/Task.java b/services/core/java/com/android/server/wm/Task.java
index b9d7ac4263484..4dbbbc6de32c9 100644
--- a/services/core/java/com/android/server/wm/Task.java
+++ b/services/core/java/com/android/server/wm/Task.java
@@ -2789,8 +2789,16 @@ class Task extends WindowContainer<WindowContainer> {
             // For calculating screen layout, we need to use the non-decor inset screen area for the
             // calculation for compatibility reasons, i.e. screen area without system bars that
             // could never go away in Honeycomb.
-            final int compatScreenWidthDp = (int) (mTmpNonDecorBounds.width() / density);
-            final int compatScreenHeightDp = (int) (mTmpNonDecorBounds.height() / density);
+            int compatScreenWidthDp = (int) (mTmpNonDecorBounds.width() / density);
+            int compatScreenHeightDp = (int) (mTmpNonDecorBounds.height() / density);
+            // Use overrides if provided. If both overrides are provided, mTmpNonDecorBounds is
+            // undefined so it can't be used.
+            if (inOutConfig.screenWidthDp != Configuration.SCREEN_WIDTH_DP_UNDEFINED) {
+                compatScreenWidthDp = inOutConfig.screenWidthDp;
+            }
+            if (inOutConfig.screenHeightDp != Configuration.SCREEN_HEIGHT_DP_UNDEFINED) {
+                compatScreenHeightDp = inOutConfig.screenHeightDp;
+            }
             // Reducing the screen layout starting from its parent config.
             inOutConfig.screenLayout = computeScreenLayoutOverride(parentConfig.screenLayout,
                     compatScreenWidthDp, compatScreenHeightDp);
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 f860e174fd153..708d802a75331 100644
--- a/services/tests/wmtests/src/com/android/server/wm/ActivityRecordTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/ActivityRecordTests.java
@@ -544,7 +544,7 @@ public class ActivityRecordTests extends WindowTestsBase {
         mActivity = new ActivityBuilder(mAtm)
                 .setTask(mTask)
                 .setLaunchTaskBehind(true)
-                .setConfigChanges(CONFIG_ORIENTATION)
+                .setConfigChanges(CONFIG_ORIENTATION | CONFIG_SCREEN_LAYOUT)
                 .build();
         mActivity.setState(Task.ActivityState.STOPPED, "Testing");
 
diff --git a/services/tests/wmtests/src/com/android/server/wm/TaskRecordTests.java b/services/tests/wmtests/src/com/android/server/wm/TaskRecordTests.java
index 0fe6510b0fcee..08537a4ea9c1a 100644
--- a/services/tests/wmtests/src/com/android/server/wm/TaskRecordTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/TaskRecordTests.java
@@ -431,6 +431,31 @@ public class TaskRecordTests extends WindowTestsBase {
         assertEquals(Configuration.ORIENTATION_LANDSCAPE, inOutConfig.orientation);
     }
 
+    @Test
+    public void testComputeConfigResourceLayoutOverrides() {
+        final Rect fullScreenBounds = new Rect(0, 0, 1000, 2500);
+        TestDisplayContent display = new TestDisplayContent.Builder(
+                mAtm, fullScreenBounds.width(), fullScreenBounds.height()).build();
+        final Task task = new TaskBuilder(mSupervisor).setDisplay(display).build();
+        final Configuration inOutConfig = new Configuration();
+        final Configuration parentConfig = new Configuration();
+        final Rect nonLongBounds = new Rect(0, 0, 1000, 1250);
+        parentConfig.windowConfiguration.setBounds(fullScreenBounds);
+        parentConfig.windowConfiguration.setAppBounds(fullScreenBounds);
+        parentConfig.densityDpi = 400;
+        parentConfig.screenHeightDp = (fullScreenBounds.bottom * 160) / parentConfig.densityDpi;
+        parentConfig.screenWidthDp = (fullScreenBounds.right * 160) / parentConfig.densityDpi;
+        parentConfig.windowConfiguration.setRotation(ROTATION_0);
+
+        // Set BOTH screenW/H to an override value
+        inOutConfig.screenWidthDp = nonLongBounds.width() * 160 / parentConfig.densityDpi;
+        inOutConfig.screenHeightDp = nonLongBounds.height() * 160 / parentConfig.densityDpi;
+        task.computeConfigResourceOverrides(inOutConfig, parentConfig);
+
+        // screenLayout should honor override when both screenW/H are set.
+        assertTrue((inOutConfig.screenLayout & Configuration.SCREENLAYOUT_LONG_NO) != 0);
+    }
+
     @Test
     public void testComputeNestedConfigResourceOverrides() {
         final Task task = new TaskBuilder(mSupervisor).build();