如何在android的股票投资组合中每10秒获取NSE市场的股票价格？

public class StockDataFetcher {
    private static final String BASE_URL = "https://api.example.com/";
    private Handler handler = new Handler();
    private Runnable runnable;
    private StockService stockService;

    public StockDataFetcher() {
        Retrofit retrofit = new Retrofit.Builder()
                .baseUrl(BASE_URL)
                .addConverterFactory(GsonConverterFactory.create())
                .build();
        stockService = retrofit.create(StockService.class);
    }

    public void startFetching() {
        runnable = new Runnable() {
            @Override
            public void run() {
                fetchStockData();
                handler.postDelayed(this, 10000); // 10 seconds delay
            }
        };
        handler.post(runnable);
    }

    private void fetchStockData() {
        Call<StockResponse> call = stockService.getStockPrice("NSE");
        call.enqueue(new Callback<StockResponse>() {
            @Override
            public void onResponse(Call<StockResponse> call, Response<StockResponse> response) {
                if (response.isSuccessful()) {
                    StockResponse stockResponse = response.body();
                    // Update UI with stockResponse
                }
            }

            @Override
            public void onFailure(Call<StockResponse> call, Throwable t) {
                // Handle failure
            }
        });
    }

    public void stopFetching() {
        handler.removeCallbacks(runnable);
    }
}

interface StockService {
    @GET("stock/price")
    Call<StockResponse> getStockPrice(@Query("market") String market);
}

class StockResponse {
    // Define the structure of your response here
}