diff --git a/core/java/android/app/ActivityTransitionCoordinator.java b/core/java/android/app/ActivityTransitionCoordinator.java
index fa8141204d42c..e28fb20109426 100644
--- a/core/java/android/app/ActivityTransitionCoordinator.java
+++ b/core/java/android/app/ActivityTransitionCoordinator.java
@@ -217,11 +217,6 @@ abstract class ActivityTransitionCoordinator extends ResultReceiver {
     }
 
     protected void viewsReady(ArrayMap<String, View> sharedElements) {
-        final View decor = getDecor();
-        final ViewRootImpl viewRoot = decor == null ? null : decor.getViewRootImpl();
-        if (viewRoot != null) {
-            viewRoot.setPausedForTransition(true);
-        }
         sharedElements.retainAll(mAllSharedElementNames);
         if (mListener != null) {
             mListener.onMapSharedElements(mAllSharedElementNames, sharedElements);
@@ -905,6 +900,14 @@ abstract class ActivityTransitionCoordinator extends ResultReceiver {
         }
     }
 
+    protected void pauseInput() {
+        final View decor = getDecor();
+        final ViewRootImpl viewRoot = decor == null ? null : decor.getViewRootImpl();
+        if (viewRoot != null) {
+            viewRoot.setPausedForTransition(true);
+        }
+    }
+
     protected void onTransitionsComplete() {}
 
     protected class ContinueTransitionListener extends Transition.TransitionListenerAdapter {
diff --git a/core/java/android/app/EnterTransitionCoordinator.java b/core/java/android/app/EnterTransitionCoordinator.java
index 05cf1d4679047..07455379f5469 100644
--- a/core/java/android/app/EnterTransitionCoordinator.java
+++ b/core/java/android/app/EnterTransitionCoordinator.java
@@ -333,6 +333,7 @@ class EnterTransitionCoordinator extends ActivityTransitionCoordinator {
         boolean startSharedElementTransition = true;
         setGhostVisibility(View.INVISIBLE);
         scheduleGhostVisibilityChange(View.INVISIBLE);
+        pauseInput();
         Transition transition = beginTransition(decorView, startEnterTransition,
                 startSharedElementTransition);
         scheduleGhostVisibilityChange(View.VISIBLE);
diff --git a/core/java/android/app/ExitTransitionCoordinator.java b/core/java/android/app/ExitTransitionCoordinator.java
index 9ddebb0192838..ad104a493273c 100644
--- a/core/java/android/app/ExitTransitionCoordinator.java
+++ b/core/java/android/app/ExitTransitionCoordinator.java
@@ -203,6 +203,7 @@ class ExitTransitionCoordinator extends ActivityTransitionCoordinator {
     public void startExit() {
         if (!mIsExitStarted) {
             mIsExitStarted = true;
+            pauseInput();
             ViewGroup decorView = getDecor();
             if (decorView != null) {
                 decorView.suppressLayout(true);
@@ -220,6 +221,7 @@ class ExitTransitionCoordinator extends ActivityTransitionCoordinator {
     public void startExit(int resultCode, Intent data) {
         if (!mIsExitStarted) {
             mIsExitStarted = true;
+            pauseInput();
             ViewGroup decorView = getDecor();
             if (decorView != null) {
                 decorView.suppressLayout(true);