Fix memory leak of SkMovie class

Movie class doesn't have finalize method.
So memory leak of SkMovie class of native Skia occurs when Movie class is released.
I add finalize method to Movie class (Movie.java) and jni destructor method to SkMovie class (Movie.cpp).

Change-Id: I4dae9dd95f128cbfade50bef978b219ba99321dd

1 files changed, 11 insertions, 0 deletions

diff --git a/graphics/java/android/graphics/Movie.java b/graphics/java/android/graphics/Movie.java
index 95e9946..4a33453 100644
--- a/graphics/java/android/graphics/Movie.java
+++ b/graphics/java/android/graphics/Movie.java
@@ -46,6 +46,8 @@ public class Movie {
     public static native Movie decodeByteArray(byte[] data, int offset,
                                                int length);
 
+    private static native void nativeDestructor(int nativeMovie);
+
     public static Movie decodeFile(String pathName) {
         InputStream is;
         try {
@@ -57,6 +59,15 @@ public class Movie {
         return decodeTempStream(is);
     }
 
+    @Override
+    protected void finalize() throws Throwable {
+        try {
+            nativeDestructor(mNativeMovie);
+        } finally {
+            super.finalize();
+        }
+    }
+
     private static Movie decodeTempStream(InputStream is) {
         Movie moov = null;
         try {