diff --git a/include/androidfw/AssetManager.h b/include/androidfw/AssetManager.h
index d95b45e..a010957 100644
--- a/include/androidfw/AssetManager.h
+++ b/include/androidfw/AssetManager.h
@@ -92,7 +92,7 @@
      * then on success, *cookie is set to the value corresponding to the
      * newly-added asset source.
      */
-    bool addAssetPath(const String8& path, void** cookie);
+    bool addAssetPath(const String8& path, int32_t* cookie);
 
     /*                                                                       
      * Convenience for adding the standard system assets.  Uses the
@@ -103,17 +103,17 @@
     /*                                                                       
      * Iterate over the asset paths in this manager.  (Previously
      * added via addAssetPath() and addDefaultAssets().)  On first call,
-     * 'cookie' must be NULL, resulting in the first cookie being returned.
-     * Each next cookie will be returned there-after, until NULL indicating
+     * 'cookie' must be 0, resulting in the first cookie being returned.
+     * Each next cookie will be returned there-after, until -1 indicating
      * the end has been reached.
      */
-    void* nextAssetPath(void* cookie) const;
+    int32_t nextAssetPath(const int32_t cookie) const;
 
     /*                                                                       
      * Return an asset path in the manager.  'which' must be between 0 and
      * countAssetPaths().
      */
-    String8 getAssetPath(void* cookie) const;
+    String8 getAssetPath(const int32_t cookie) const;
 
     /*
      * Set the current locale and vendor.  The locale can change during
@@ -159,7 +159,7 @@
      * Explicit non-asset file.  The file explicitly named by the cookie (the
      * resource set to look in) and fileName will be opened and returned.
      */
-    Asset* openNonAsset(void* cookie, const char* fileName, AccessMode mode);
+    Asset* openNonAsset(const int32_t cookie, const char* fileName, AccessMode mode);
 
     /*
      * Open a directory within the asset hierarchy.
@@ -183,7 +183,7 @@
      *
      * To open the top-level directory, pass in "".
      */
-    AssetDir* openNonAssetDir(void* cookie, const char* dirName);
+    AssetDir* openNonAssetDir(const int32_t cookie, const char* dirName);
 
     /*
      * Get the type of a file in the asset hierarchy.  They will either
diff --git a/libs/androidfw/AssetManager.cpp b/libs/androidfw/AssetManager.cpp
index 8651764..785e5d4 100644
--- a/libs/androidfw/AssetManager.cpp
+++ b/libs/androidfw/AssetManager.cpp
@@ -165,7 +165,7 @@
     delete[] mVendor;
 }
 
-bool AssetManager::addAssetPath(const String8& path, void** cookie)
+bool AssetManager::addAssetPath(const String8& path, int32_t* cookie)
 {
     AutoMutex _l(mLock);
 
@@ -192,7 +192,7 @@
     for (size_t i=0; i<mAssetPaths.size(); i++) {
         if (mAssetPaths[i].path == ap.path) {
             if (cookie) {
-                *cookie = (void*)(i+1);
+                *cookie = static_cast<int32_t>(i+1);
             }
             return true;
         }
@@ -205,7 +205,7 @@
 
     // new paths are always added at the end
     if (cookie) {
-        *cookie = (void*)mAssetPaths.size();
+        *cookie = static_cast<int32_t>(mAssetPaths.size());
     }
 
     // add overlay packages for /system/framework; apps are handled by the
@@ -395,17 +395,17 @@
     return addAssetPath(path, NULL);
 }
 
-void* AssetManager::nextAssetPath(void* cookie) const
+int32_t AssetManager::nextAssetPath(const int32_t cookie) const
 {
     AutoMutex _l(mLock);
-    size_t next = ((size_t)cookie)+1;
-    return next > mAssetPaths.size() ? NULL : (void*)next;
+    const size_t next = static_cast<size_t>(cookie) + 1;
+    return next > mAssetPaths.size() ? -1 : next;
 }
 
-String8 AssetManager::getAssetPath(void* cookie) const
+String8 AssetManager::getAssetPath(const int32_t cookie) const
 {
     AutoMutex _l(mLock);
-    const size_t which = ((size_t)cookie)-1;
+    const size_t which = static_cast<size_t>(cookie) - 1;
     if (which < mAssetPaths.size()) {
         return mAssetPaths[which].path;
     }
@@ -575,15 +575,14 @@
     return NULL;
 }
 
-Asset* AssetManager::openNonAsset(void* cookie, const char* fileName, AccessMode mode)
+Asset* AssetManager::openNonAsset(const int32_t cookie, const char* fileName, AccessMode mode)
 {
-    const size_t which = ((size_t)cookie)-1;
+    const size_t which = static_cast<size_t>(cookie) - 1;
 
     AutoMutex _l(mLock);
 
     LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager");
 
-
     if (mCacheMode != CACHE_OFF && !mCacheValid)
         loadFileNameCacheLocked();
 
@@ -1206,7 +1205,7 @@
  *
  * Pass in "" for the root dir.
  */
-AssetDir* AssetManager::openNonAssetDir(void* cookie, const char* dirName)
+AssetDir* AssetManager::openNonAssetDir(const int32_t cookie, const char* dirName)
 {
     AutoMutex _l(mLock);
 
@@ -1225,7 +1224,7 @@
 
     pMergedInfo = new SortedVector<AssetDir::FileInfo>;
 
-    const size_t which = ((size_t)cookie)-1;
+    const size_t which = static_cast<size_t>(cookie) - 1;
 
     if (which < mAssetPaths.size()) {
         const asset_path& ap = mAssetPaths.itemAt(which);