diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/ISplitScreen.aidl b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/ISplitScreen.aidl
index 03688b7..eb08d0e 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/ISplitScreen.aidl
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/ISplitScreen.aidl
@@ -84,6 +84,20 @@
             in InstanceId instanceId) = 10;
 
     /**
+     * Starts a pair of intent and task in one transition.
+     */
+    oneway void startIntentAndTask(in PendingIntent pendingIntent, in Intent fillInIntent,
+            in Bundle options1, int taskId, in Bundle options2, int sidePosition, float splitRatio,
+            in RemoteTransition remoteTransition, in InstanceId instanceId) = 16;
+
+    /**
+     * Starts a pair of shortcut and task in one transition.
+     */
+    oneway void startShortcutAndTask(in ShortcutInfo shortcutInfo, in Bundle options1, int taskId,
+            in Bundle options2, int splitPosition, float splitRatio,
+             in RemoteTransition remoteTransition, in InstanceId instanceId) = 17;
+
+    /**
      * Version of startTasks using legacy transition system.
      */
     oneway void startTasksWithLegacyTransition(int taskId1, in Bundle options1, int taskId2,
@@ -99,6 +113,13 @@
             in InstanceId instanceId) = 12;
 
     /**
+     * Starts a pair of shortcut and task using legacy transition system.
+     */
+    oneway void startShortcutAndTaskWithLegacyTransition(in ShortcutInfo shortcutInfo,
+            in Bundle options1, int taskId, in Bundle options2, int splitPosition, float splitRatio,
+            in RemoteAnimationAdapter adapter, in InstanceId instanceId) = 15;
+
+    /**
      * Blocking call that notifies and gets additional split-screen targets when entering
      * recents (for example: the dividerBar).
      * @param appTargets apps that will be re-parented to display area
@@ -111,11 +132,5 @@
      * does not expect split to currently be running.
      */
     RemoteAnimationTarget[] onStartingSplitLegacy(in RemoteAnimationTarget[] appTargets) = 14;
-
-    /**
-     * Starts a pair of shortcut and task using legacy transition system.
-     */
-    oneway void startShortcutAndTaskWithLegacyTransition(in ShortcutInfo shortcutInfo,
-            in Bundle options1, int taskId, in Bundle options2, int splitPosition, float splitRatio,
-            in RemoteAnimationAdapter adapter, in InstanceId instanceId) = 15;
 }
+// Last id = 17
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenController.java b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenController.java
index 8043b97..d9c2871 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenController.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/SplitScreenController.java
@@ -872,6 +872,28 @@
         }
 
         @Override
+        public void startIntentAndTask(PendingIntent pendingIntent, Intent fillInIntent,
+                @Nullable Bundle options1, int taskId, @Nullable Bundle options2,
+                @SplitPosition int splitPosition, float splitRatio,
+                @Nullable RemoteTransition remoteTransition, InstanceId instanceId) {
+            executeRemoteCallWithTaskPermission(mController, "startIntentAndTask",
+                    (controller) -> controller.mStageCoordinator.startIntentAndTask(pendingIntent,
+                            fillInIntent, options1, taskId, options2, splitPosition, splitRatio,
+                            remoteTransition, instanceId));
+        }
+
+        @Override
+        public void startShortcutAndTask(ShortcutInfo shortcutInfo, @Nullable Bundle options1,
+                int taskId, @Nullable Bundle options2, @SplitPosition int splitPosition,
+                float splitRatio, @Nullable RemoteTransition remoteTransition,
+                InstanceId instanceId) {
+            executeRemoteCallWithTaskPermission(mController, "startShortcutAndTask",
+                    (controller) -> controller.mStageCoordinator.startShortcutAndTask(shortcutInfo,
+                            options1, taskId, options2, splitPosition, splitRatio, remoteTransition,
+                            instanceId));
+        }
+
+        @Override
         public void startShortcut(String packageName, String shortcutId, int position,
                 @Nullable Bundle options, UserHandle user, InstanceId instanceId) {
             executeRemoteCallWithTaskPermission(mController, "startShortcut",
diff --git a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java
index d79e6a1..9102bd3 100644
--- a/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java
+++ b/libs/WindowManager/Shell/src/com/android/wm/shell/splitscreen/StageCoordinator.java
@@ -516,14 +516,55 @@
     }
 
     /** Starts 2 tasks in one transition. */
-    void startTasks(int sideTaskId, @Nullable Bundle sideOptions, int mainTaskId,
-            @Nullable Bundle mainOptions, @SplitPosition int sidePosition, float splitRatio,
+    void startTasks(int taskId1, @Nullable Bundle options1, int taskId2,
+            @Nullable Bundle options2, @SplitPosition int splitPosition, float splitRatio,
             @Nullable RemoteTransition remoteTransition, InstanceId instanceId) {
         final WindowContainerTransaction wct = new WindowContainerTransaction();
-        mainOptions = mainOptions != null ? mainOptions : new Bundle();
-        sideOptions = sideOptions != null ? sideOptions : new Bundle();
-        setSideStagePosition(sidePosition, wct);
+        setSideStagePosition(splitPosition, wct);
+        options1 = options1 != null ? options1 : new Bundle();
+        addActivityOptions(options1, mSideStage);
+        wct.startTask(taskId1, options1);
 
+        startWithTask(wct, taskId2, options2, splitRatio, remoteTransition, instanceId);
+    }
+
+    /** Start an intent and a task to a split pair in one transition. */
+    void startIntentAndTask(PendingIntent pendingIntent, Intent fillInIntent,
+            @Nullable Bundle options1, int taskId, @Nullable Bundle options2,
+            @SplitPosition int splitPosition, float splitRatio,
+            @Nullable RemoteTransition remoteTransition, InstanceId instanceId) {
+        final WindowContainerTransaction wct = new WindowContainerTransaction();
+        setSideStagePosition(splitPosition, wct);
+        options1 = options1 != null ? options1 : new Bundle();
+        addActivityOptions(options1, mSideStage);
+        wct.sendPendingIntent(pendingIntent, fillInIntent, options1);
+
+        startWithTask(wct, taskId, options2, splitRatio, remoteTransition, instanceId);
+    }
+
+    /** Starts a shortcut and a task to a split pair in one transition. */
+    void startShortcutAndTask(ShortcutInfo shortcutInfo, @Nullable Bundle options1,
+            int taskId, @Nullable Bundle options2, @SplitPosition int splitPosition,
+            float splitRatio, @Nullable RemoteTransition remoteTransition, InstanceId instanceId) {
+        final WindowContainerTransaction wct = new WindowContainerTransaction();
+        setSideStagePosition(splitPosition, wct);
+        options1 = options1 != null ? options1 : new Bundle();
+        addActivityOptions(options1, mSideStage);
+        wct.startShortcut(mContext.getPackageName(), shortcutInfo, options1);
+
+        startWithTask(wct, taskId, options2, splitRatio, remoteTransition, instanceId);
+    }
+
+    /**
+     * Starts with the second task to a split pair in one transition.
+     *
+     * @param wct transaction to start the first task
+     * @param instanceId if {@code null}, will not log. Otherwise it will be used in
+     *      {@link SplitscreenEventLogger#logEnter(float, int, int, int, int, boolean)}
+     */
+    private void startWithTask(WindowContainerTransaction wct, int mainTaskId,
+            @Nullable Bundle mainOptions, float splitRatio,
+            @Nullable RemoteTransition remoteTransition, InstanceId instanceId) {
         if (mMainStage.isActive()) {
             mMainStage.evictAllChildren(wct);
             mSideStage.evictAllChildren(wct);
@@ -538,12 +579,11 @@
         wct.setForceTranslucent(mRootTaskInfo.token, false);
 
         // Make sure the launch options will put tasks in the corresponding split roots
+        mainOptions = mainOptions != null ? mainOptions : new Bundle();
         addActivityOptions(mainOptions, mMainStage);
-        addActivityOptions(sideOptions, mSideStage);
 
         // Add task launch requests
         wct.startTask(mainTaskId, mainOptions);
-        wct.startTask(sideTaskId, sideOptions);
 
         mSplitTransitions.startEnterTransition(
                 TRANSIT_SPLIT_SCREEN_PAIR_OPEN, wct, remoteTransition, this, null);
@@ -593,6 +633,7 @@
     }
 
     /**
+     * @param wct transaction to start the first task
      * @param instanceId if {@code null}, will not log. Otherwise it will be used in
      *                   {@link SplitscreenEventLogger#logEnter(float, int, int, int, int, boolean)}
      */
@@ -1728,6 +1769,7 @@
 
     @StageType
     private int getStageType(StageTaskListener stage) {
+        if (stage == null) return STAGE_TYPE_UNDEFINED;
         return stage == mMainStage ? STAGE_TYPE_MAIN : STAGE_TYPE_SIDE;
     }
 
@@ -1982,8 +2024,8 @@
             }
         }
 
-        // TODO: fallback logic. Probably start a new transition to exit split before applying
-        //       anything here. Ideally consolidate with transition-merging.
+        // TODO(b/250853925): fallback logic. Probably start a new transition to exit split before
+        //       applying anything here. Ideally consolidate with transition-merging.
         if (info.getType() == TRANSIT_SPLIT_SCREEN_OPEN_TO_SIDE) {
             if (mainChild == null && sideChild == null) {
                 throw new IllegalStateException("Launched a task in split, but didn't receive any"