Adding initial app framework

Change-Id: I0c53e3487eb3be1eefa2d0c7f260a90d82fd8844
diff --git a/app/src/main/jni/android-logger-streambuf.hpp b/app/src/main/jni/android-logger-streambuf.hpp
new file mode 100644
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+++ b/app/src/main/jni/android-logger-streambuf.hpp
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+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2014-2015,  Regents of the University of California,
+ *                           Arizona Board of Regents,
+ *                           Colorado State University,
+ *                           University Pierre & Marie Curie, Sorbonne University,
+ *                           Washington University in St. Louis,
+ *                           Beijing Institute of Technology,
+ *                           The University of Memphis.
+ *
+ * This file is part of NFD (Named Data Networking Forwarding Daemon).
+ * See AUTHORS.md for complete list of NFD authors and contributors.
+ *
+ * NFD is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * NFD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * NFD, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NFD_ANDROID_JNI_ANDROID_LOG_HPP
+#define NFD_ANDROID_JNI_ANDROID_LOG_HPP
+
+#include <streambuf>
+
+namespace nfd_android {
+
+/**
+ * @brief Streambuf implementation to redirect to streams to Android logging facility
+ *
+ * Based on code from http://stackoverflow.com/a/8870278/2150331
+ */
+class AndroidLoggerStreambuf : public std::streambuf
+{
+public:
+  AndroidLoggerStreambuf();
+
+protected:
+  virtual int
+  overflow(int c);
+
+  virtual int
+  sync();
+
+private:
+  enum { MAX_BUF_SIZE = 1024 };
+  char buffer[MAX_BUF_SIZE];
+};
+
+} // namespace nfd_android
+
+#endif // NFD_ANDROID_JNI_ANDROID_LOG_HPP