diff --git a/quickstep/src/com/android/launcher3/LauncherInitListener.java b/quickstep/src/com/android/launcher3/LauncherInitListener.java
index 5fc79f0..35151f1 100644
--- a/quickstep/src/com/android/launcher3/LauncherInitListener.java
+++ b/quickstep/src/com/android/launcher3/LauncherInitListener.java
@@ -17,11 +17,8 @@
 
 import android.animation.AnimatorSet;
 import android.annotation.TargetApi;
-import android.content.Context;
-import android.content.Intent;
 import android.os.Build;
 import android.os.CancellationSignal;
-import android.os.Handler;
 
 import com.android.quickstep.util.ActivityInitListener;
 import com.android.quickstep.util.RemoteAnimationProvider;
@@ -78,11 +75,4 @@
         mRemoteAnimationProvider = null;
         super.unregister();
     }
-
-    @Override
-    public void registerAndStartActivity(Intent intent, RemoteAnimationProvider animProvider,
-            Context context, Handler handler, long duration) {
-        mRemoteAnimationProvider = animProvider;
-        super.registerAndStartActivity(intent, animProvider, context, handler, duration);
-    }
 }
diff --git a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
index 7e5bda5..2ccec44 100644
--- a/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
+++ b/quickstep/src/com/android/launcher3/QuickstepTransitionManager.java
@@ -285,7 +285,8 @@
         long statusBarTransitionDelay = duration - STATUS_BAR_TRANSITION_DURATION
                 - STATUS_BAR_TRANSITION_PRE_DELAY;
         RemoteAnimationAdapterCompat adapterCompat =
-                new RemoteAnimationAdapterCompat(runner, duration, statusBarTransitionDelay);
+                new RemoteAnimationAdapterCompat(runner, duration, statusBarTransitionDelay,
+                        mLauncher.getIApplicationThread());
         return new ActivityOptionsWrapper(
                 ActivityOptionsCompat.makeRemoteAnimation(adapterCompat), onEndCallback);
     }
@@ -1081,7 +1082,8 @@
                     new RemoteAnimationAdapterCompat(
                             new LauncherAnimationRunner(mHandler, mWallpaperOpenRunner,
                                     false /* startAtFrontOfQueue */),
-                            CLOSING_TRANSITION_DURATION_MS, 0 /* statusBarTransitionDelay */));
+                            CLOSING_TRANSITION_DURATION_MS, 0 /* statusBarTransitionDelay */,
+                            mLauncher.getIApplicationThread()));
 
             if (KEYGUARD_ANIMATION.get()) {
                 mKeyguardGoingAwayRunner = createWallpaperOpenRunner(true /* fromUnlock */);
@@ -1091,7 +1093,8 @@
                                 new LauncherAnimationRunner(
                                         mHandler, mKeyguardGoingAwayRunner,
                                         true /* startAtFrontOfQueue */),
-                                CLOSING_TRANSITION_DURATION_MS, 0 /* statusBarTransitionDelay */));
+                                CLOSING_TRANSITION_DURATION_MS, 0 /* statusBarTransitionDelay */,
+                                mLauncher.getIApplicationThread()));
             }
 
             new ActivityCompat(mLauncher).registerRemoteAnimations(definition);
@@ -1109,7 +1112,7 @@
             mWallpaperOpenTransitionRunner = createWallpaperOpenRunner(false /* fromUnlock */);
             mLauncherOpenTransition = RemoteAnimationAdapterCompat.buildRemoteTransition(
                     new LauncherAnimationRunner(mHandler, mWallpaperOpenTransitionRunner,
-                            false /* startAtFrontOfQueue */));
+                            false /* startAtFrontOfQueue */), mLauncher.getIApplicationThread());
             mLauncherOpenTransition.addHomeOpenCheck(mLauncher.getComponentName());
             SystemUiProxy.INSTANCE.getNoCreate().registerRemoteTransition(mLauncherOpenTransition);
         }
diff --git a/quickstep/src/com/android/quickstep/RecentsActivity.java b/quickstep/src/com/android/quickstep/RecentsActivity.java
index ad7e4df..09a0b7d 100644
--- a/quickstep/src/com/android/quickstep/RecentsActivity.java
+++ b/quickstep/src/com/android/quickstep/RecentsActivity.java
@@ -245,7 +245,7 @@
         RemoteAnimationAdapterCompat adapterCompat = new RemoteAnimationAdapterCompat(
                 wrapper, RECENTS_LAUNCH_DURATION,
                 RECENTS_LAUNCH_DURATION - STATUS_BAR_TRANSITION_DURATION
-                        - STATUS_BAR_TRANSITION_PRE_DELAY);
+                        - STATUS_BAR_TRANSITION_PRE_DELAY, getIApplicationThread());
         final ActivityOptionsWrapper activityOptions = new ActivityOptionsWrapper(
                 ActivityOptionsCompat.makeRemoteAnimation(adapterCompat),
                 onEndCallback);
@@ -394,7 +394,8 @@
         LauncherAnimationRunner runner = new LauncherAnimationRunner(
                 getMainThreadHandler(), mAnimationToHomeFactory, true);
         RemoteAnimationAdapterCompat adapterCompat =
-                new RemoteAnimationAdapterCompat(runner, HOME_APPEAR_DURATION, 0);
+                new RemoteAnimationAdapterCompat(runner, HOME_APPEAR_DURATION, 0,
+                        getIApplicationThread());
         startActivity(createHomeIntent(),
                 ActivityOptionsCompat.makeRemoteAnimation(adapterCompat).toBundle());
     }
diff --git a/quickstep/src/com/android/quickstep/TaskAnimationManager.java b/quickstep/src/com/android/quickstep/TaskAnimationManager.java
index 4b89981..258a0c2 100644
--- a/quickstep/src/com/android/quickstep/TaskAnimationManager.java
+++ b/quickstep/src/com/android/quickstep/TaskAnimationManager.java
@@ -178,7 +178,8 @@
 
         if (ENABLE_SHELL_TRANSITIONS) {
             RemoteTransitionCompat transition = new RemoteTransitionCompat(mCallbacks,
-                    mController != null ? mController.getController() : null);
+                    mController != null ? mController.getController() : null,
+                    mCtx.getIApplicationThread());
             Bundle options = ActivityOptionsCompat.makeRemoteTransition(transition)
                     .setTransientLaunch().toBundle();
             mCtx.startActivity(intent, options);
diff --git a/quickstep/src/com/android/quickstep/util/ActivityInitListener.java b/quickstep/src/com/android/quickstep/util/ActivityInitListener.java
index b9879ab..aeec36f 100644
--- a/quickstep/src/com/android/quickstep/util/ActivityInitListener.java
+++ b/quickstep/src/com/android/quickstep/util/ActivityInitListener.java
@@ -15,11 +15,6 @@
  */
 package com.android.quickstep.util;
 
-import android.content.Context;
-import android.content.Intent;
-import android.os.Bundle;
-import android.os.Handler;
-
 import com.android.launcher3.BaseActivity;
 import com.android.launcher3.util.ActivityTracker;
 import com.android.launcher3.util.ActivityTracker.SchedulerCallback;
@@ -75,17 +70,4 @@
         mIsRegistered = false;
         mOnInitListener = null;
     }
-
-    /**
-     * Starts the given intent with the provided animation. Unlike {@link #register(Intent)}, this
-     * method will not call {@link #init} if the activity already exists, it will only call it when
-     * we get handleIntent() for the provided intent that we're starting.
-     */
-    public void registerAndStartActivity(Intent intent, RemoteAnimationProvider animProvider,
-            Context context, Handler handler, long duration) {
-        register();
-
-        Bundle options = animProvider.toActivityOptions(handler, duration, context).toBundle();
-        context.startActivity(new Intent(intent), options);
-    }
 }
diff --git a/quickstep/src/com/android/quickstep/util/RemoteAnimationProvider.java b/quickstep/src/com/android/quickstep/util/RemoteAnimationProvider.java
index 98dbd47..ee82ae6 100644
--- a/quickstep/src/com/android/quickstep/util/RemoteAnimationProvider.java
+++ b/quickstep/src/com/android/quickstep/util/RemoteAnimationProvider.java
@@ -16,32 +16,14 @@
 package com.android.quickstep.util;
 
 import android.animation.AnimatorSet;
-import android.app.ActivityOptions;
-import android.content.Context;
-import android.os.Handler;
 
-import com.android.launcher3.LauncherAnimationRunner;
-import com.android.launcher3.LauncherAnimationRunner.RemoteAnimationFactory;
-import com.android.systemui.shared.system.ActivityOptionsCompat;
-import com.android.systemui.shared.system.RemoteAnimationAdapterCompat;
 import com.android.systemui.shared.system.RemoteAnimationTargetCompat;
 
 public abstract class RemoteAnimationProvider {
 
-    RemoteAnimationFactory mAnimationRunner;
-
     public abstract AnimatorSet createWindowAnimation(RemoteAnimationTargetCompat[] appTargets,
             RemoteAnimationTargetCompat[] wallpaperTargets);
 
-    ActivityOptions toActivityOptions(Handler handler, long duration, Context context) {
-        mAnimationRunner = (transit, appTargets, wallpaperTargets, nonApps, result) ->
-                result.setAnimation(createWindowAnimation(appTargets, wallpaperTargets), context);
-        final LauncherAnimationRunner wrapper = new LauncherAnimationRunner(
-                handler, mAnimationRunner, false /* startAtFrontOfQueue */);
-        return ActivityOptionsCompat.makeRemoteAnimation(
-                new RemoteAnimationAdapterCompat(wrapper, duration, 0));
-    }
-
     /**
      * @return the target with the lowest opaque layer for a certain app animation, or null.
      */
diff --git a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
index 1dae2c8..4c300ec 100644
--- a/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
+++ b/quickstep/src/com/android/quickstep/util/SplitSelectStateController.java
@@ -94,7 +94,8 @@
                     new RemoteSplitLaunchTransitionRunner(task1, task2);
             mSystemUiProxy.startTasks(taskIds[0], null /* mainOptions */, taskIds[1],
                     null /* sideOptions */, STAGE_POSITION_BOTTOM_OR_RIGHT,
-                    new RemoteTransitionCompat(animationRunner, MAIN_EXECUTOR));
+                    new RemoteTransitionCompat(animationRunner, MAIN_EXECUTOR,
+                            ActivityThread.currentActivityThread().getApplicationThread()));
         } else {
             RemoteSplitLaunchAnimationRunner animationRunner =
                     new RemoteSplitLaunchAnimationRunner(task1, task2, callback);