1 files changed, 28 insertions, 1 deletions

diff --git a/src/com/android/launcher3/util/IntArray.java b/src/com/android/launcher3/util/IntArray.java
index 7252f7ac1d..1c787959e4 100644
--- a/src/com/android/launcher3/util/IntArray.java
+++ b/src/com/android/launcher3/util/IntArray.java
@@ -17,13 +17,14 @@
 package com.android.launcher3.util;
 
 import java.util.Arrays;
+import java.util.Iterator;
 import java.util.StringTokenizer;
 
 /**
  * Copy of the platform hidden implementation of android.util.IntArray.
  * Implements a growing array of int primitives.
  */
-public class IntArray implements Cloneable {
+public class IntArray implements Cloneable, Iterable<Integer> {
     private static final int MIN_CAPACITY_INCREMENT = 12;
 
     private static final int[] EMPTY_INT = new int[0];
@@ -272,4 +273,30 @@ public class IntArray implements Cloneable {
             throw new ArrayIndexOutOfBoundsException("length=" + len + "; index=" + index);
         }
     }
+
+    @Override
+    public Iterator<Integer> iterator() {
+        return new ValueIterator();
+    }
+
+    @Thunk
+    class ValueIterator implements Iterator<Integer> {
+
+        private int mNextIndex = 0;
+
+        @Override
+        public boolean hasNext() {
+            return mNextIndex < size();
+        }
+
+        @Override
+        public Integer next() {
+            return get(mNextIndex++);
+        }
+
+        @Override
+        public void remove() {
+            removeIndex(--mNextIndex);
+        }
+    }
 }
\ No newline at end of file