diff --git a/src/com/android/launcher3/apppairs/AppPairIconGraphic.kt b/src/com/android/launcher3/apppairs/AppPairIconGraphic.kt
index 2945979..fa840ed 100644
--- a/src/com/android/launcher3/apppairs/AppPairIconGraphic.kt
+++ b/src/com/android/launcher3/apppairs/AppPairIconGraphic.kt
@@ -21,9 +21,11 @@
 import android.graphics.Rect
 import android.graphics.drawable.Drawable
 import android.util.AttributeSet
+import android.util.Log
 import android.view.Gravity
 import android.widget.FrameLayout
 import com.android.launcher3.DeviceProfile
+import com.android.launcher3.model.data.WorkspaceItemInfo
 
 /**
  * A FrameLayout marking the area on an [AppPairIcon] where the visual icon will be drawn. One of
@@ -31,6 +33,8 @@
  */
 class AppPairIconGraphic @JvmOverloads constructor(context: Context, attrs: AttributeSet? = null) :
     FrameLayout(context, attrs) {
+    private val TAG = "AppPairIconGraphic"
+
     companion object {
         // Design specs -- the below ratios are in relation to the size of a standard app icon.
         private const val OUTER_PADDING_SCALE = 1 / 30f
@@ -61,8 +65,8 @@
 
     private lateinit var parentIcon: AppPairIcon
     private lateinit var appPairBackground: Drawable
-    private lateinit var appIcon1: Drawable
-    private lateinit var appIcon2: Drawable
+    private var appIcon1: Drawable? = null
+    private var appIcon2: Drawable? = null
 
     fun init(grid: DeviceProfile, icon: AppPairIcon) {
         // Calculate device-specific measurements
@@ -79,12 +83,24 @@
 
         appPairBackground = AppPairIconBackground(context, this)
         appPairBackground.setBounds(0, 0, backgroundSize.toInt(), backgroundSize.toInt())
+        applyIcons(parentIcon.info.contents)
+    }
+
+    /** Sets up app pair member icons for drawing. */
+    private fun applyIcons(contents: ArrayList<WorkspaceItemInfo>) {
+        // App pair should always contain 2 members; if not 2, return to avoid a crash loop
+        if (contents.size != 2) {
+            Log.w(TAG, "AppPair contents not 2, size: " + contents.size, Throwable())
+            return
+        }
+
         appIcon1 = parentIcon.info.contents[0].newIcon(context)
         appIcon2 = parentIcon.info.contents[1].newIcon(context)
-        appIcon1.setBounds(0, 0, memberIconSize.toInt(), memberIconSize.toInt())
-        appIcon2.setBounds(0, 0, memberIconSize.toInt(), memberIconSize.toInt())
+        appIcon1?.setBounds(0, 0, memberIconSize.toInt(), memberIconSize.toInt())
+        appIcon2?.setBounds(0, 0, memberIconSize.toInt(), memberIconSize.toInt())
     }
 
+
     /** Gets this icon graphic's bounds, with respect to the parent icon's coordinate system. */
     fun getIconBounds(outBounds: Rect) {
         outBounds.set(0, 0, backgroundSize.toInt(), backgroundSize.toInt())
@@ -118,7 +134,7 @@
         } else {
             canvas.translate(width / 2f - memberIconSize / 2f, innerPadding)
         }
-        appIcon1.draw(canvas)
+        appIcon1?.draw(canvas)
         canvas.restore()
 
         // Draw second icon
@@ -135,7 +151,7 @@
                 height - (innerPadding + memberIconSize)
             )
         }
-        appIcon2.draw(canvas)
+        appIcon2?.draw(canvas)
         canvas.restore()
     }
 }
diff --git a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
index 2896ede..7d3807e 100644
--- a/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
+++ b/tests/tapl/com/android/launcher3/tapl/LauncherInstrumentation.java
@@ -21,6 +21,7 @@
 import static android.content.pm.PackageManager.MATCH_ALL;
 import static android.content.pm.PackageManager.MATCH_DISABLED_COMPONENTS;
 import static android.view.KeyEvent.ACTION_DOWN;
+import static android.view.MotionEvent.ACTION_SCROLL;
 import static android.view.MotionEvent.ACTION_UP;
 import static android.view.MotionEvent.AXIS_GESTURE_SWIPE_FINGER_COUNT;
 
@@ -1703,6 +1704,16 @@
                 "scrolling");
     }
 
+    void pointerScroll(float pointerX, float pointerY, Direction direction) {
+        executeAndWaitForLauncherEvent(
+                () -> injectEvent(getPointerMotionEvent(
+                        ACTION_SCROLL, pointerX, pointerY, direction)),
+                event -> TestProtocol.SCROLL_FINISHED_MESSAGE.equals(event.getClassName()),
+                () -> "Didn't receive a scroll end message: " + direction + " scroll from ("
+                        + pointerX + ", " + pointerY + ")",
+                "scrolling");
+    }
+
     // Inject a swipe gesture. Inject exactly 'steps' motion points, incrementing event time by a
     // fixed interval each time.
     public void linearGesture(int startX, int startY, int endX, int endY, int steps,
@@ -1766,6 +1777,41 @@
         return getContext().getResources();
     }
 
+    private static MotionEvent getPointerMotionEvent(
+            int action, float x, float y, Direction direction) {
+        MotionEvent.PointerCoords[] coordinates = new MotionEvent.PointerCoords[1];
+        coordinates[0] = new MotionEvent.PointerCoords();
+        coordinates[0].x = x;
+        coordinates[0].y = y;
+        boolean isVertical = direction == Direction.UP || direction == Direction.DOWN;
+        boolean isForward = direction == Direction.RIGHT || direction == Direction.DOWN;
+        coordinates[0].setAxisValue(
+                isVertical ? MotionEvent.AXIS_VSCROLL : MotionEvent.AXIS_HSCROLL,
+                isForward ? 1f : -1f);
+
+        MotionEvent.PointerProperties[] properties = new MotionEvent.PointerProperties[1];
+        properties[0] = new MotionEvent.PointerProperties();
+        properties[0].id = 0;
+        properties[0].toolType = MotionEvent.TOOL_TYPE_MOUSE;
+
+        final long downTime = SystemClock.uptimeMillis();
+        return MotionEvent.obtain(
+                downTime,
+                downTime,
+                action,
+                /* pointerCount= */ 1,
+                properties,
+                coordinates,
+                /* metaState= */ 0,
+                /* buttonState= */ 0,
+                /* xPrecision= */ 1f,
+                /* yPrecision= */ 1f,
+                /* deviceId= */ 0,
+                /* edgeFlags= */ 0,
+                InputDevice.SOURCE_CLASS_POINTER,
+                /* flags= */ 0);
+    }
+
     private static MotionEvent getTrackpadMotionEvent(long downTime, long eventTime,
             int action, float x, float y, int pointerCount, TrackpadGestureType gestureType) {
         MotionEvent.PointerProperties[] pointerProperties =
diff --git a/tests/tapl/com/android/launcher3/tapl/Workspace.java b/tests/tapl/com/android/launcher3/tapl/Workspace.java
index 75d6ed1..ada0a7f 100644
--- a/tests/tapl/com/android/launcher3/tapl/Workspace.java
+++ b/tests/tapl/com/android/launcher3/tapl/Workspace.java
@@ -708,10 +708,9 @@
      */
     public void flingForward() {
         try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
-            final UiObject2 workspace = verifyActiveContainer();
-            mLauncher.scroll(workspace, Direction.RIGHT,
-                    new Rect(0, 0, mLauncher.getEdgeSensitivityWidth() + 1, 0),
-                    FLING_STEPS, false);
+            Rect workspaceBounds = mLauncher.getVisibleBounds(verifyActiveContainer());
+            mLauncher.pointerScroll(
+                    workspaceBounds.centerX(), workspaceBounds.centerY(), Direction.RIGHT);
             verifyActiveContainer();
         }
     }
@@ -722,10 +721,9 @@
      */
     public void flingBackward() {
         try (LauncherInstrumentation.Closable e = mLauncher.eventsCheck()) {
-            final UiObject2 workspace = verifyActiveContainer();
-            mLauncher.scroll(workspace, Direction.LEFT,
-                    new Rect(mLauncher.getEdgeSensitivityWidth() + 1, 0, 0, 0),
-                    FLING_STEPS, false);
+            Rect workspaceBounds = mLauncher.getVisibleBounds(verifyActiveContainer());
+            mLauncher.pointerScroll(
+                    workspaceBounds.centerX(), workspaceBounds.centerY(), Direction.LEFT);
             verifyActiveContainer();
         }
     }