fix avatars again

Author: zoff99

android-refimpl-app/app/src/main/java/com/zoffcc/applications/trifa/HelperGeneric.java

@@ -1772,7 +1772,42 @@ static byte[] read_chunk_from_SD_file(String file_name_with_path, long position,
         return out;
     }
 
-    static void write_chunk_to_VFS_file(String file_name_with_path, final long position, long file_chunk_length, final byte[] data)
+    static void write_chunk_to_VFS_file(String file_name_with_path, long position, long file_chunk_length, final byte[] data)
+    {
+        try
+        {
+            final ByteBuffer data_bb = ByteBuffer.wrap(data);
+            info.guardianproject.iocipher.RandomAccessFile raf = new info.guardianproject.iocipher.RandomAccessFile(
+                    file_name_with_path, "rw");
+            info.guardianproject.iocipher.IOCipherFileChannel inChannel = raf.getChannel();
+            // inChannel.lseek(position, OsConstants.SEEK_SET);
+            inChannel.write(data_bb, position);
+
+            try
+            {
+                inChannel.close();
+            }
+            catch (Exception e)
+            {
+                e.printStackTrace();
+            }
+
+            try
+            {
+                raf.close();
+            }
+            catch (Exception e)
+            {
+                e.printStackTrace();
+            }
+        }
+        catch (Exception e)
+        {
+            e.printStackTrace();
+        }
+    }
+
+    static void Xwrite_chunk_to_VFS_file(String file_name_with_path, final long position, long file_chunk_length, final byte[] data)
     {
         try
         {

android-refimpl-app/app/src/main/java/com/zoffcc/applications/trifa/MainActivity.java

@@ -4804,7 +4804,7 @@ else if (file_size == 0)
             }
 
 
-            Log.i(TAG, "file_recv:incoming avatar");
+            Log.i(TAG, "file_recv:incoming avatar:size=" + file_size);
             String file_name_avatar = FRIEND_AVATAR_FILENAME;
             Filetransfer f = new Filetransfer();
             f.tox_public_key_string = HelperFriend.tox_friend_get_public_key__wrapper(friend_number);
@@ -5021,6 +5021,8 @@ static void android_tox_callback_file_recv_chunk_cb_method(long friend_number, l
                     HelperFriend.set_friend_avatar(HelperFriend.tox_friend_get_public_key__wrapper(friend_number),
                                                    VFS_PREFIX + VFS_FILE_DIR + "/" + f.tox_public_key_string + "/",
                                                    f.file_name);
+                    // Log.i(TAG, "file_recv_chunk:kind=avatar:set_friend_avatar:" + VFS_PREFIX + VFS_FILE_DIR + "/" +
+                    //           f.tox_public_key_string + "/" + f.file_name);
                 }
                 else
                 {