FirebaseDebugPrint

/*
* Function to pretty print data stored in a firebase DB on android device .
* Requires Gson library
*/

public void debugPrintRef(final Firebase ref){

        ref.addListenerForSingleValueEvent(new ValueEventListener() {
            @Override
            public void onDataChange(DataSnapshot dataSnapshot) {

                Gson gson = new GsonBuilder().setPrettyPrinting().create();
                String json  = gson.toJson(dataSnapshot.getValue());
                Logger.i(json);
            }

            @Override
            public void onCancelled(FirebaseError firebaseError) {
                Logger.e("The read failed: " + firebaseError.getMessage());
            }
        });

    }