java如何使用Volley(TextView)解析数组数据
package com.sp.demoapiheader;
import 安卓x.appcompat.app.AppCompatActivity;
import 安卓.os.Bundle;
import 安卓.util.Log;
import 安卓.widget.Button;
import 安卓.widget.TextView;
import com.安卓.volley.AuthFailureError;
import com.安卓.volley.Request;
import com.安卓.volley.RequestQueue;
import com.安卓.volley.Response;
import com.安卓.volley.VolleyError;
import com.安卓.volley.toolbox.StringRequest;
import com.安卓.volley.toolbox.Volley;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.HashMap;
import java.util.Map;
public class MainActivity extends AppCompatActivity {
private TextView mTextViewResult;
private RequestQueue mQueue;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mTextViewResult = findViewById(R.id.text_view_result);
Button buttonParse = findViewById(R.id.button_parse);
StringRequest request = new StringRequest(Request.Method.GET, "http://datamall2.mytransport.sg/ltaodataservice/BusServices", new Response.Listener<String>() {
@Override
public void onResponse(String response) {
if (!response.equals(null)) {
Log.e("Your Array Response", response);
} else {
Log.e("Your Array Response", "Data Null");
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.e("error is ", "" + error);
}
}) {
//This is for Headers If You Needed
@Override
public Map<String, String> getHeaders() throws AuthFailureError {
Map<String, String> params = new HashMap<String, String>();
params.put("Content-Type", "application/json; charset=UTF-8");
params.put("AccountKey", "XXXX==");
return params;
}
//Pass Your Parameters here
/*@Override
protected Map<String, String> getParams() {
Map<String, String> params = new HashMap<String, String>();
params.put("User", UserName);
params.put("Pass", PassWord);
return params;
}*/
};
RequestQueue queue = Volley.newRequestQueue(getApplicationContext());
queue.add(request);
}
}
我想将数据解析为文本视图,并以string/int格式显示每个变量。从代码中可以看出,有一个简单的XML文件,带有按钮和文本视图。我是否在代码中的某个地方实现了JSONArray或JSONObject?目前,该代码只允许在“运行”选项卡中进行响应
# 1 楼答案
可以通过两种方式实现json数组解析器在textview中的显示
1)Gson转换器依赖性
2)JSONArray类