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Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setLayoutManager(android.support.v7.widget.RecyclerView$LayoutManager)' on a null object reference	at com.example.codru.stendensocial.ReadRss.onPostExecute(ReadRss.java:61)	at com.example.codru.stendensocial.ReadRss.onPostExecute(ReadRss.java:28)	at android.os.AsyncTask.finish(AsyncTask.java:651)