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Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setAdapter(android.support.v7.widget.RecyclerView$Adapter)' on a null object reference
java.lang.NullPointerException: Attempt to invoke virtual method 'void android.support.v7.widget.RecyclerView.setAdapter(android.support.v7.widget.RecyclerView$Adapter)' on a null object reference at uitm.i_mmapps.RecyclerViewFragment.retrieve(RecyclerViewFragment.java:176) at uitm.i_mmapps.RecyclerViewFragment.onCreate(RecyclerViewFragment.java:63)