显示来自JSON Parse的数据，并使用Volley for Network将其显示在自动完成文本上

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.widget.ArrayAdapter;
import android.widget.AutoCompleteTextView;

import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.JsonObjectRequest;
import com.android.volley.toolbox.Volley;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

public class MainActivity extends AppCompatActivity {

    private AutoCompleteTextView autoCompleteTextView;
    private RequestQueue requestQueue;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        autoCompleteTextView = findViewById(R.id.autoCompleteTextView);
        requestQueue = Volley.newRequestQueue(this);

        // 发起网络请求获取JSON数据
        JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(Request.Method.GET, "http://example.com/data.json", null,
                new Response.Listener<JSONObject>() {
                    @Override
                    public void onResponse(JSONObject response) {
                        try {
                            // 解析JSON数据
                            JSONArray jsonArray = response.getJSONArray("data");

                            // 提取所需数据
                            String[] options = new String[jsonArray.length()];
                            for (int i = 0; i < jsonArray.length(); i++) {
                                JSONObject jsonObject = jsonArray.getJSONObject(i);
                                String option = jsonObject.getString("option");
                                options[i] = option;
                            }

                            // 设置自动完成文本的适配器
                            ArrayAdapter<String> adapter = new ArrayAdapter<>(MainActivity.this,
                                    android.R.layout.simple_dropdown_item_1line, options);
                            autoCompleteTextView.setAdapter(adapter);
                        } catch (JSONException e) {
                            e.printStackTrace();
                        }
                    }
                },
                new Response.ErrorListener() {
                    @Override
                    public void onErrorResponse(VolleyError error) {
                        error.printStackTrace();
                    }
                });

        // 将请求添加到请求队列
        requestQueue.add(jsonObjectRequest);
    }
}

{
  "data": [
    {
      "option": "Option 1"
    },
    {
      "option": "Option 2"
    },
    {
      "option": "Option 3"
    }
  ]
}