From 19f2068a95157d87af5df3ea87d9b52f3456680f Mon Sep 17 00:00:00 2001
From: Gabriel Jacobo <gabomdq@gmail.com>
Date: Fri, 25 May 2012 15:35:41 -0300
Subject: [PATCH] Fixes issue #1500 "SDL_RWops fails under Android 4" by
 removing stale Local Refs and replacing them for their global equivalents.

---
 include/SDL_rwops.h              |  3 ---
 src/core/android/SDL_android.cpp | 16 +++++++++-------
 2 files changed, 9 insertions(+), 10 deletions(-)

diff --git a/include/SDL_rwops.h b/include/SDL_rwops.h
index fb03cea49..87715f5ba 100644
--- a/include/SDL_rwops.h
+++ b/include/SDL_rwops.h
@@ -85,11 +85,8 @@ typedef struct SDL_RWops
 #if defined(ANDROID)
         struct
         {
-            void *fileName;
             void *fileNameRef;
-            void *inputStream;
             void *inputStreamRef;
-            void *readableByteChannel;
             void *readableByteChannelRef;
             void *readMethod;
             long position;
diff --git a/src/core/android/SDL_android.cpp b/src/core/android/SDL_android.cpp
index 26b1fd217..f1b5ead07 100755
--- a/src/core/android/SDL_android.cpp
+++ b/src/core/android/SDL_android.cpp
@@ -442,7 +442,7 @@ static int Android_JNI_FileOpen(SDL_RWops* ctx)
         goto failure;
     }
 
-    fileNameJString = (jstring)ctx->hidden.androidio.fileName;
+    fileNameJString = (jstring)ctx->hidden.androidio.fileNameRef;
 
     // context = SDLActivity.getContext();
     mid = mEnv->GetStaticMethodID(mActivityClass,
@@ -462,7 +462,6 @@ static int Android_JNI_FileOpen(SDL_RWops* ctx)
         goto failure;
     }
 
-    ctx->hidden.androidio.inputStream = inputStream;
     ctx->hidden.androidio.inputStreamRef = mEnv->NewGlobalRef(inputStream);
 
     // Despite all the visible documentation on [Asset]InputStream claiming
@@ -490,7 +489,6 @@ static int Android_JNI_FileOpen(SDL_RWops* ctx)
         goto failure;
     }
 
-    ctx->hidden.androidio.readableByteChannel = readableByteChannel;
     ctx->hidden.androidio.readableByteChannelRef =
         mEnv->NewGlobalRef(readableByteChannel);
 
@@ -510,6 +508,11 @@ static int Android_JNI_FileOpen(SDL_RWops* ctx)
         if(ctx->hidden.androidio.inputStreamRef != NULL) {
             mEnv->DeleteGlobalRef((jobject)ctx->hidden.androidio.inputStreamRef);
         }
+
+        if(ctx->hidden.androidio.readableByteChannelRef != NULL) {
+            mEnv->DeleteGlobalRef((jobject)ctx->hidden.androidio.readableByteChannelRef);
+        }
+
     }
 
     return result;
@@ -529,7 +532,6 @@ extern "C" int Android_JNI_FileOpen(SDL_RWops* ctx,
     }
 
     jstring fileNameJString = mEnv->NewStringUTF(fileName);
-    ctx->hidden.androidio.fileName = fileNameJString;
     ctx->hidden.androidio.fileNameRef = mEnv->NewGlobalRef(fileNameJString);
     ctx->hidden.androidio.inputStreamRef = NULL;
 
@@ -547,7 +549,7 @@ extern "C" size_t Android_JNI_FileRead(SDL_RWops* ctx, void* buffer,
         return -1;
     }
 
-    jobject readableByteChannel = (jobject)ctx->hidden.androidio.readableByteChannel;
+    jobject readableByteChannel = (jobject)ctx->hidden.androidio.readableByteChannelRef;
     jmethodID readMethod = (jmethodID)ctx->hidden.androidio.readMethod;
     jobject byteBuffer = mEnv->NewDirectByteBuffer(buffer, bytesRemaining);
 
@@ -593,7 +595,7 @@ static int Android_JNI_FileClose(SDL_RWops* ctx, bool release)
             mEnv->DeleteGlobalRef((jobject)ctx->hidden.androidio.fileNameRef);
         }
 
-        jobject inputStream = (jobject)ctx->hidden.androidio.inputStream;
+        jobject inputStream = (jobject)ctx->hidden.androidio.inputStreamRef;
 
         // inputStream.close();
         jmethodID mid = mEnv->GetMethodID(mEnv->GetObjectClass(inputStream),
@@ -640,7 +642,7 @@ extern "C" long Android_JNI_FileSeek(SDL_RWops* ctx, long offset, int whence)
     }
 
     long movement = newPosition - ctx->hidden.androidio.position;
-    jobject inputStream = (jobject)ctx->hidden.androidio.inputStream;
+    jobject inputStream = (jobject)ctx->hidden.androidio.inputStreamRef;
 
     if (movement > 0) {
         unsigned char buffer[1024];