Add null pointer checks to fix NPEs

Bug: 6611233
Bug: 6685401

Change-Id: I804dfe0a7ad36b43168f7384ef88459d765fff6b
diff --git a/src/com/android/launcher2/Folder.java b/src/com/android/launcher2/Folder.java
index 1163f9e..de2e435 100644
--- a/src/com/android/launcher2/Folder.java
+++ b/src/com/android/launcher2/Folder.java
@@ -923,7 +923,9 @@
 
     private void onCloseComplete() {
         DragLayer parent = (DragLayer) getParent();
-        parent.removeView(this);
+        if (parent != null) {
+            parent.removeView(this);
+        }
         mDragController.removeDropTarget((DropTarget) this);
         clearFocus();
         mFolderIcon.requestFocus();
diff --git a/src/com/android/launcher2/InstallShortcutReceiver.java b/src/com/android/launcher2/InstallShortcutReceiver.java
index 54ba7de..a525d00 100644
--- a/src/com/android/launcher2/InstallShortcutReceiver.java
+++ b/src/com/android/launcher2/InstallShortcutReceiver.java
@@ -169,6 +169,7 @@
                 if (intent.getAction() == null) {
                     intent.setAction(Intent.ACTION_VIEW);
                 } else if (intent.getAction().equals(Intent.ACTION_MAIN) &&
+                        intent.getCategories() != null &&
                         intent.getCategories().contains(Intent.CATEGORY_LAUNCHER)) {
                     intent.addFlags(
                         Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED);