diff --git a/src/com/android/stk/StkAppService.java b/src/com/android/stk/StkAppService.java
index 85a6a72..b7fce8c 100644
--- a/src/com/android/stk/StkAppService.java
+++ b/src/com/android/stk/StkAppService.java
@@ -827,7 +827,7 @@
     }
 
     // returns true if any Stk related activity already has focus on the screen
-    private boolean isTopOfStack() {
+    boolean isTopOfStack() {
         ActivityManager mActivityManager = (ActivityManager) mContext
                 .getSystemService(ACTIVITY_SERVICE);
         String currentPackageName = null;
diff --git a/src/com/android/stk/StkInputActivity.java b/src/com/android/stk/StkInputActivity.java
index 522fd35..a4e6daf 100644
--- a/src/com/android/stk/StkInputActivity.java
+++ b/src/com/android/stk/StkInputActivity.java
@@ -223,10 +223,6 @@
         CatLog.d(LOG_TAG, "onResume - mIsResponseSent[" + mIsResponseSent +
                 "], slot id: " + mSlotId);
         startTimeOut();
-        if (mIsResponseSent) {
-            cancelTimeOut();
-            finish();
-        }
     }
 
     @Override
@@ -242,7 +238,9 @@
     public void onStop() {
         super.onStop();
         CatLog.d(LOG_TAG, "onStop - mIsResponseSent[" + mIsResponseSent + "]");
-        if (mIsResponseSent) {
+        // It is unnecessary to keep this activity if the response was already sent and
+        // this got invisible because of the other full-screen activity in this application.
+        if (mIsResponseSent && appService.isTopOfStack()) {
             cancelTimeOut();
             finish();
         } else {