android volley http请求框架

 1 protected void onCreate(Bundle savedInstanceState)
 2     {
 3         super.onCreate(savedInstanceState);
 4         setContentView(R.layout.activity_main);
 5 
 6         String url = "http://www.xxx.com/test/index/androidtest";
 7         RequestQueue mqueue = Volley.newRequestQueue(this); //创建请求队列
 8 
 9         StringRequest strRequest = new StringRequest( //希望返回字符串的请求
10                 url,
11                 new Response.Listener<String>()
12                 {
13                     @Override
14                     public void onResponse(String response)
15                     {
16                         Log.d("TAG", response);
17                     }
18                 },
19 
20                 new Response.ErrorListener()
21                 {
22                     @Override
23                     public void onErrorResponse(VolleyError error)
24                     {
25                         Log.d("TAG", "onErrorResponse "+error.getMessage(), error);
26                     }
27 
28                 }
29         );
30 
31         mqueue.add(strRequest);
32 
33         JsonArrayRequest jsonArrRequest = new JsonArrayRequest( //希望返回json数组的请求
34                 url,
35                 new Response.Listener<JSONArray>()
36                 {
37                     public void onResponse(JSONArray response)
38                     {
39                         Log.d("TAG", response.toString());
40                     }
41                 },
42                 new Response.ErrorListener()
43                 {
44                     public void onErrorResponse (VolleyError error)
45                     {
46                         Log.d("TAG", "volley error ==> "+error.getMessage(), error);
47                     }
48                 }
49         );
50 
51         mqueue.add(jsonArrRequest);
52 
53         JsonObjectRequest jsonObjRequest = new JsonObjectRequest( //希望返回json对象的请求
54                 url,
55                 new Response.Listener<JSONObject>()
56                 {
57                     public void onResponse(JSONObject response)
58                     {
59                         Log.d("TAG", response.toString());
60                     }
61                 },
62                 new Response.ErrorListener()
63                 {
64                     public void onErrorResponse (VolleyError error)
65                     {
66                         Log.d("TAG", "volley error ==> "+error.getMessage(), error);
67                     }
68                 }
69         );
70 
71         mqueue.add(jsonObjRequest);
72     }