Merge "Use structural equality for A11yNodeInfo#mChildNodeIds"

2 files changed, 20 insertions, 2 deletions

diff --git a/core/java/android/util/LongArray.java b/core/java/android/util/LongArray.java
index 9b0489ca5c6e..fa980966802f 100644
--- a/core/java/android/util/LongArray.java
+++ b/core/java/android/util/LongArray.java
@@ -16,11 +16,15 @@
 
 package android.util;
 
+import android.annotation.Nullable;
+
 import com.android.internal.util.ArrayUtils;
 import com.android.internal.util.Preconditions;
-import java.util.Arrays;
+
 import libcore.util.EmptyArray;
 
+import java.util.Arrays;
+
 /**
  * Implements a growing array of long primitives.
  *
@@ -216,4 +220,18 @@ public class LongArray implements Cloneable {
             throw new ArrayIndexOutOfBoundsException(mSize, index);
         }
     }
+
+    /**
+     * Test if each element of {@code a} equals corresponding element from {@code b}
+     */
+    public static boolean elementsEqual(@Nullable LongArray a, @Nullable LongArray b) {
+        if (a == null || b == null) return a == b;
+        if (a.mSize != b.mSize) return false;
+        for (int i = 0; i < a.mSize; i++) {
+            if (a.get(i) != b.get(i)) {
+                return false;
+            }
+        }
+        return true;
+    }
 }
diff --git a/core/java/android/view/accessibility/AccessibilityNodeInfo.java b/core/java/android/view/accessibility/AccessibilityNodeInfo.java
index 417a72530b72..5b1dd5c88cae 100644
--- a/core/java/android/view/accessibility/AccessibilityNodeInfo.java
+++ b/core/java/android/view/accessibility/AccessibilityNodeInfo.java
@@ -3203,7 +3203,7 @@ public class AccessibilityNodeInfo implements Parcelable {
         fieldIndex++;
         if (mConnectionId != DEFAULT.mConnectionId) nonDefaultFields |= bitAt(fieldIndex);
         fieldIndex++;
-        if (!Objects.equals(mChildNodeIds, DEFAULT.mChildNodeIds)) {
+        if (!LongArray.elementsEqual(mChildNodeIds, DEFAULT.mChildNodeIds)) {
             nonDefaultFields |= bitAt(fieldIndex);
         }
         fieldIndex++;