public void selectTrip() {

       OkHttpClient.Builder okhttpBuilder = new OkHttpClient.Builder();

        okhttpBuilder.addInterceptor(new Interceptor() {
            @Override
            public okhttp3.Response intercept(Chain chain) throws IOException {

                Request request = chain.request();

                Request.Builder newRequest = request.newBuilder().addHeader("X-DELAY-AUTH", AUTH_TOKEN);

                return chain.proceed(newRequest.build());
            }
        });


        Retrofit retrofit = new Retrofit.Builder()
                .baseUrl("https://dev.delayed.nz")
                .addConverterFactory(GsonConverterFactory.create())
                .client(okhttpBuilder.build())
                .build();

        DelayApi delayApi = retrofit.create(DelayApi.class);

        System.out.println("stop here");

        selectedTrip = Trip.getText().toString().trim();

        //tripDetails.setTrip(Trip.getText().toString().trim());
        //routeDetails.setTrip(Trip.getText().toString().trim());

        Call<DelayResponse> call = delayApi.trip();

        call.enqueue(new Callback<DelayResponse>() {
            @Override
            public void onResponse(Call<DelayResponse> call, Response<DelayResponse> response) {

                System.out.println("Hello");
                if (response.isSuccessful()) {
                    Toast.makeText(homePage.this, "Trips Selected", Toast.LENGTH_SHORT).show();
                    System.out.println("test");
/*
                    if(response.body().getResult().getTrips().size() == NULL) {
                        Toast.makeText(homePage.this, "No Trips Available.....", Toast.LENGTH_SHORT).show();

                    }*/

                    for (int i = 0; i < response.body().getResult().getTrips().size(); i++) {
                        NextStopDetails nextStopDetails = new NextStopDetails();
                        Trip trip = new Trip();

                        trip.setTrip_id(response.body().getResult().getTrips().get(i).getTripId());
                        trip.setRoute_id(response.body().getResult().getTrips().get(i).getRouteId());
                        trip.setRoute_short_name(response.body().getResult().getTrips().get(i).getRouteShortName());
                        trip.setRoute_long_name(response.body().getResult().getTrips().get(i).getRouteLongName());
                        trip.setVehicle_id(response.body().getResult().getTrips().get(i).getVehicleId());
                        trip.setLatitude(response.body().getResult().getTrips().get(i).getLat());
                        trip.setLongitude(response.body().getResult().getTrips().get(i).getLon());
                        BaseTripDetails.add(trip);

                        nextStopDetails.setName(response.body().getResult().getTrips().get(i).getNextStop().getName());
                        nextStopDetails.setDelay(response.body().getResult().getTrips().get(i).getNextStop().getDelay());
                        nextStopDetails.setEta(response.body().getResult().getTrips().get(i).getNextStop().getEta());
                        nextStopDetails.setId(response.body().getResult().getTrips().get(i).getNextStop().getId());
                        nextStopDetails.setLat(response.body().getResult().getTrips().get(i).getNextStop().getLat());
                        nextStopDetails.setLon(response.body().getResult().getTrips().get(i).getNextStop().getLon());
                        nextStopDetails.setScheduled_arrival(response.body().getResult().getTrips().get(i).getNextStop().getScheduledArrival());
                        NSDetails.add(nextStopDetails);

                        if(BaseTripDetails.get(i).getRoute_short_name().equalsIgnoreCase(selectedTrip))
                        {
                            tripLocationInArray.add(i);
                        }

                    }

                  //  checkNumberOfServices();

                    System.out.println("h");

                    if(DelaysActive == true) {
                        Intent intent = new Intent(homePage.this, DelayListActivity.class);
                        startActivity(intent);
                        finish();
                        DelayTotal = true;

                    }
                    else if(tripLocationInArray.size() == 1) {
                        Intent intent = new Intent(homePage.this, TripPage.class);
                        startActivity(intent);
                        finish();
                    }
                    else if(tripLocationInArray.size() > 1) {
                        Intent intent = new Intent(homePage.this, DelayListActivity.class);
                        startActivity(intent);
                        finish();
                    }
                }
                else {
                    Toast.makeText(homePage.this, "Invalid Trip ID", Toast.LENGTH_SHORT).show();
                }
            }

            @Override
            public void onFailure(Call<DelayResponse> call, Throwable t) {
                Toast.makeText(homePage.this, "Error......", Toast.LENGTH_SHORT).show();

            }
        });

    }