diff --git a/quickstep/src/com/android/quickstep/TouchInteractionService.java b/quickstep/src/com/android/quickstep/TouchInteractionService.java
index 1f7cec5..196cae7 100644
--- a/quickstep/src/com/android/quickstep/TouchInteractionService.java
+++ b/quickstep/src/com/android/quickstep/TouchInteractionService.java
@@ -360,7 +360,7 @@
                     getString(R.string.all_apps_label),
                     getString(R.string.all_apps_label),
                     PendingIntent.getActivity(this, SYSTEM_ACTION_ID_ALL_APPS, intent,
-                            PendingIntent.FLAG_UPDATE_CURRENT));
+                            PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE));
             am.registerSystemAction(allAppsAction, SYSTEM_ACTION_ID_ALL_APPS);
         } else {
             am.unregisterSystemAction(SYSTEM_ACTION_ID_ALL_APPS);
diff --git a/src/com/android/launcher3/model/ItemInstallQueue.java b/src/com/android/launcher3/model/ItemInstallQueue.java
index 5e48a0f..d09bf81 100644
--- a/src/com/android/launcher3/model/ItemInstallQueue.java
+++ b/src/com/android/launcher3/model/ItemInstallQueue.java
@@ -104,8 +104,10 @@
     @WorkerThread
     private void addToQueue(PendingInstallShortcutInfo info) {
         ensureQueueLoaded();
-        mItems.add(info);
-        mStorage.write(mContext, mItems);
+        if (!mItems.contains(info)) {
+            mItems.add(info);
+            mStorage.write(mContext, mItems);
+        }
     }
 
     @WorkerThread
@@ -303,6 +305,33 @@
             }
             return null;
         }
+
+        @Override
+        public boolean equals(Object obj) {
+            if (obj instanceof PendingInstallShortcutInfo) {
+                PendingInstallShortcutInfo other = (PendingInstallShortcutInfo) obj;
+
+                boolean userMatches = user.equals(other.user);
+                boolean itemTypeMatches = itemType == other.itemType;
+                boolean intentMatches = intent.toUri(0).equals(other.intent.toUri(0));
+                boolean shortcutInfoMatches = shortcutInfo == null
+                        ? other.shortcutInfo == null
+                        : other.shortcutInfo != null
+                            && shortcutInfo.getId().equals(other.shortcutInfo.getId())
+                            && shortcutInfo.getPackage().equals(other.shortcutInfo.getPackage());
+                boolean providerInfoMatches = providerInfo == null
+                        ? other.providerInfo == null
+                        : other.providerInfo != null
+                            && providerInfo.provider.equals(other.providerInfo.provider);
+
+                return userMatches
+                        && itemTypeMatches
+                        && intentMatches
+                        && shortcutInfoMatches
+                        && providerInfoMatches;
+            }
+            return false;
+        }
     }
 
     private static String getIntentPackage(Intent intent) {