added my level

Build/Android/src/com/epicgames/Gallery/OBBDownloaderService.java

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+/*
+ * Copyright (C) 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.epicgames.Gallery;
+
+import com.google.android.vending.expansion.downloader.impl.DownloaderService;
+
+/**
+ * Minimal client implementation of the
+ * DownloaderService from the Downloader library.
+ */
+public class OBBDownloaderService extends DownloaderService {
+    // stuff for LVL -- MODIFY FOR YOUR APPLICATION!
+    private static final String BASE64_PUBLIC_KEY = "";
+    // used by the preference obfuscater
+    private static final byte[] SALT = new byte[] {
+            1, 43, -12, -1, 54, 98,
+            -100, -12, 43, 2, -8, -4, 9, 5, -106, -108, -33, 45, -1, 84
+    };
+
+	public static int getPublicKeyLength() {
+		return BASE64_PUBLIC_KEY.length();
+	}
+	
+    /**
+     * This public key comes from your Android Market publisher account, and it
+     * used by the LVL to validate responses from Market on your behalf.
+     */
+    @Override
+    public String getPublicKey() {
+        return BASE64_PUBLIC_KEY;
+    }
+
+    /**
+     * This is used by the preference obfuscater to make sure that your
+     * obfuscated preferences are different than the ones used by other
+     * applications.
+     */
+    @Override
+    public byte[] getSALT() {
+        return SALT;
+    }
+
+    /**
+     * Fill this in with the class name for your alarm receiver. We do this
+     * because receivers must be unique across all of Android (it's a good idea
+     * to make sure that your receiver is in your unique package)
+     */
+    @Override
+    public String getAlarmReceiverClassName() {
+        return com.epicgames.Gallery.AlarmReceiver.class.getName();
+    }
+}