From cb704cd1e05ecd9bbd9bebd16f3b816dcb0c5309 Mon Sep 17 00:00:00 2001
From: Adam Powell <adamp@google.com>
Date: Fri, 5 Mar 2010 19:51:59 -0800
Subject: [PATCH] Fixed a regression setting ListView selection mode without an
 adapter

---
 core/java/android/widget/ListView.java | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/core/java/android/widget/ListView.java b/core/java/android/widget/ListView.java
index 097e859e460b9..1a9c0df5735b7 100644
--- a/core/java/android/widget/ListView.java
+++ b/core/java/android/widget/ListView.java
@@ -455,6 +455,12 @@ public class ListView extends AbsListView {
                 checkSelectionChanged();
             }
 
+            if (mChoiceMode != CHOICE_MODE_NONE &&
+                    mAdapter.hasStableIds() &&
+                    mCheckedIdStates == null) {
+                mCheckedIdStates = new LongSparseArray<Boolean>();
+            }
+
         } else {
             mAreAllItemsSelectable = true;
             checkFocus();
@@ -3320,7 +3326,7 @@ public class ListView extends AbsListView {
             if (mCheckStates == null) {
                 mCheckStates = new SparseBooleanArray();
             }
-            if (mCheckedIdStates == null && mAdapter.hasStableIds()) {
+            if (mCheckedIdStates == null && mAdapter != null && mAdapter.hasStableIds()) {
                 mCheckedIdStates = new LongSparseArray<Boolean>();
             }
         }