How to use

StringRequest

in

com.android.volley.toolbox

/**
 * 普通文本等信息 Get请求 无参数，或者get请求的参数直接拼接在URL上面
 * @param url  请求的地址
 * @param listener  数据请求返回接口回调
 */
public void get(String url, final Fdv_CallBackListener<String> listener){
  StringRequest stringRequest=new StringRequest(Request.Method.GET, url, new Response.Listener<String>() {
    @Override
    public void onResponse(String response) {
      if(listener!=null){
        listener.onSuccessResponse(response);
      }
    }
  }, new Response.ErrorListener() {
    @Override
    public void onErrorResponse(VolleyError error) {
      if(listener!=null){
        listener.onErrorResponse(error);
      }
    }
  });
  addRequest(stringRequest);
}

public void query(Query query) {
 if (lastQueryResult != null && lastQueryResult.query.equals(query)) {
  for (QueryListener listener : queryListeners) {
   listener.onSearchCompleted(lastQueryResult.query, lastQueryResult.results);
  }
  return;
 }
 FlickrQueryResponseListener responseListener
   = new FlickrQueryResponseListener(new PhotoJsonStringParser(), query, queryListeners);
 StringRequest request = new StringRequest(Request.Method.GET, query.getUrl(),
   responseListener, responseListener);
 request.setRetryPolicy(new DefaultRetryPolicy(DefaultRetryPolicy.DEFAULT_TIMEOUT_MS, 3,
   DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));
 requestQueue.add(request);
}

/**
 * get请求String
 */
private void volleyStringGet(){
  Response.Listener<String> listener = new Response.Listener<String>() {
    @Override
    public void onResponse(String response) {   //数据请求成功返回
      Toast.makeText(getApplicationContext(), response, Toast.LENGTH_LONG).show();
    }
  };
  StringRequest request = new StringRequest(Method.GET, url, listener, errorListener);
  request.setTag("jackStringRequest");
  MyApplication.getHttpRequestQueue().add(request);
}

/**
 * Send a POST request.
 *
 * @param url The server url
 * @param params POST parameters
 * @param resListener Called when receiving response
 * @param errListener Called when error occurs
 */
public void post(String url, final Map<String, String> params,
         Response.Listener<String> resListener, Response.ErrorListener errListener) {
  StringRequest req = new StringRequest(Request.Method.POST, url, resListener, errListener) {
    @Override
    protected Map<String, String> getParams() throws AuthFailureError {
      return params;
    }
  };
  req.setRetryPolicy(new DefaultRetryPolicy(Config.REQ_TIMEOUT,
      DefaultRetryPolicy.DEFAULT_MAX_RETRIES, DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));
  req.setTag(REQUEST_TAG);
  queue.add(req);
}

private void testFileUpload() {
  RequestParams params = new RequestParams();
  params.addBodyParameter("session_id", "4095c7d3c0c9240aa6975044d04fa1ea1442306755512");
  params.addBodyParameter("hello_video", new File("/sdcard/rcWish/VideoCapture/20150914_153044.mp4"));
  params.addBodyParameter("hello_pic", new File("/sdcard/rcWish/VideoCapture/20150914_153044.jpg"));
  String url = "http://yourhost/index.php?act=ActorSetting&m=updateVideo";
  StringRequest request = new StringRequest(Request.Method.POST, url, new Response.Listener<String>() {
    @Override
    public void onResponse(String response) {
      Log.e(TAG, response);
    }
  }, new Response.ErrorListener() {
    @Override
    public void onErrorResponse(VolleyError error) {
      error.printStackTrace();
    }
  });
  request.setLoadingListener(new Response.LoadingListener() {
    @Override
    public void onLoading(boolean isUpload, long total, long current) {
      Log.e(TAG, "isUpload:" + isUpload + ",total:" + total + ",current:" + current);
    }
  });
  request.setRequestParams(params);
  request.setTag(TAG);
  mRequestQueue.add(request);
}

  e.printStackTrace();
StringRequest request = new StringRequest(Request.Method.GET,
    url, new Response.Listener<String>() {
  @Override
request.setShouldCache(false);
mQueue.add(request);

  private String volleyGetStringRequest() {
    StringRequest request = new StringRequest(Request.Method.GET, Constant.JUHE_URL_GET,
        new Response.Listener<String>() {
      @Override
      public void onResponse(String response) {
        Toast.makeText(MainActivity.this, response, Toast.LENGTH_SHORT).show();
      }
    },
        new Response.ErrorListener() {
      @Override
      public void onErrorResponse(VolleyError error) {
        Toast.makeText(MainActivity.this, error.toString(), Toast.LENGTH_SHORT).show();
      }
    });
    request.setTag(STRING_GET_TAG);
    MyApplication.getHttpQueues().add(request);
    return request.getTag().toString();
  }
}

private void testNormalString() {
  RequestParams params = new RequestParams();
  params.addBodyParameter("session_id", "4095c7d3c0c9240aa6975044d04fa1ea1442306755512");
  params.addBodyParameter("birthday", "1986-01-01");
  String url = "http://yourhost/index.php?act=User&m=updateMyProfile";
  StringRequest request = new StringRequest(Request.Method.POST, url, new Response.Listener<String>() {
    @Override
    public void onResponse(String response) {
      Log.e(TAG, response);
    }
  }, new Response.ErrorListener() {
    @Override
    public void onErrorResponse(VolleyError error) {
      error.printStackTrace();
    }
  });
  request.setRequestParams(params);
  request.setTag(TAG);
  mRequestQueue.add(request);
}

  mBuilder.timeOut = DefaultRetryPolicy.DEFAULT_TIMEOUT_MS;
request.setShouldCache(mBuilder.shouldCache);
request.setRetryPolicy(new DefaultRetryPolicy(mBuilder.timeOut,
    mBuilder.retry, DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));
request.setTag(mBuilder.tag);
mQueue.add(request);

request.setRetryPolicy(new DefaultRetryPolicy(5000, 5,
    DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));
getVolleyQueue().add(request);

request.setTag(Constant.VOLLEY_TAG);      //设置标签

request.setShouldCache(false);
mQueue.add(request);

/**
 * post请求
 */
private void volleyStringPost() {
  String url = "http://apis.juhe.cn/mobile/get?";
  Response.Listener<String> listener = new Response.Listener<String>() {
    @Override
    public void onResponse(String response) {
      if(response != null) {
        Toast.makeText(getApplicationContext(), response.toString(), Toast.LENGTH_LONG).show();
        Log.d(TAG, "JSONObject-----------" + response.toString());
      }
    }
  };
  StringRequest request = new StringRequest(Method.POST, url, listener, errorListener){
    @Override
    protected Map<String, String> getParams() throws AuthFailureError {
      Map<String, String> hashMap = new HashMap<String, String>();
      hashMap.put("phone", "13811253688");
      hashMap.put("key", "cf365ff9aa9f1daddea8357b43267fd7");
      return hashMap;
    }
  };
  request.setTag("jackPost");
  MyApplication.getHttpRequestQueue().add(request);
}

/**
 * Send a GET request.
 *
 * @param url The server url
 * @param params GET parameters
 * @param resListener Called when receiving response
 * @param errListener Called when error occurs
 */
public void get(String url, Map<String, String> params,
        Response.Listener<String> resListener, Response.ErrorListener errListener) {
  String getUrl = buildUrl(url, params);
  Log.d(TAG, "Get url: " + getUrl);
  StringRequest req = new StringRequest(getUrl, resListener, errListener);
  req.setRetryPolicy(new DefaultRetryPolicy(Config.REQ_TIMEOUT,
      DefaultRetryPolicy.DEFAULT_MAX_RETRIES, DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));
  req.setTag(REQUEST_TAG);
  queue.add(req);
}

url += artistName == null ? filename.replace(" ", "%20") : songName.replace(" ", "%20");
StringRequest request = new StringRequest(Request.Method.GET,
    url, new Response.Listener<String>() {
request.setShouldCache(false);
VolleySingleton.getInstance(context).getRequestQueue().add(request);

private String volleyPostStringRequest() {
  StringRequest request = new StringRequest(Request.Method.POST, Constant.JUHE_URL_POST,
      new Response.Listener<String>() {
        @Override
        public void onResponse(String response) {
          Toast.makeText(MainActivity.this, response, Toast.LENGTH_SHORT).show();
        }
  },
      new Response.ErrorListener() {
        @Override
        public void onErrorResponse(VolleyError error) {
          Toast.makeText(MainActivity.this, error.toString(), Toast.LENGTH_SHORT).show();
        }
      }){
    /*
    getParams()
    用户在Volley中使用post方式请求数据中参数的传递
     */
    @Override
    protected Map<String, String> getParams() throws AuthFailureError {
      Map<String, String> hashMap = new HashMap<>();
      hashMap.put("phone", "13429667914");
      hashMap.put("key", "562609042fbd47baa063b1a2c4637758");
      return hashMap;
    }
  };
  request.setTag(STRING_POST_TAG);
  MyApplication.getHttpQueues().add(request);
  return request.getTag().toString();
}

  mBuilder.timeOut = DefaultRetryPolicy.DEFAULT_TIMEOUT_MS;
request.setShouldCache(mBuilder.shouldCache);
request.setRetryPolicy(new DefaultRetryPolicy(mBuilder.timeOut,
    mBuilder.retry, DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));
request.setTag(mBuilder.tag);
mQueue.add(request);

public static void getMessagesForConversation (final int conversationID, Context context, Response.Listener<String> onResponse, Response.ErrorListener onError) {
  // Instantiate the RequestQueue.
  RequestQueue queue = Volley.newRequestQueue(context);
    StringRequest stringRequester = new StringRequest(Request.Method.POST, API_URL + "/messages", onResponse, onError){
      @Override
      public Map<String, String> getParams() throws AuthFailureError {
        Map<String, String>  params = new HashMap<String, String>();
        //afterID is how we send what we want in our request
        params.put("conversationID", "" + conversationID);
        params.put("t",APP_CONSTANTS.SERVER_PROTECTION_TOKEN);
        return params;
      }
    };
    // change timeout to a more reasonable 10 seconds
    stringRequester.setRetryPolicy(new DefaultRetryPolicy(
      10000,
      DefaultRetryPolicy.DEFAULT_MAX_RETRIES,
      DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));
    // Add the request to the RequestQueue.
    queue.add(stringRequester);
}

 @Override
 public void run() {
  final StringRequest stringRequest=
   new StringRequest(StringRequest.Method.GET, SO_URL,
    new Response.Listener<String>() {
     @Override
     public void onResponse(String response) {
      final SOQuestions result=
       new Gson().fromJson(new StringReader(response),
        SOQuestions.class);
      runOnUiThread(new Runnable() {
       @Override
       public void run() {
        setListAdapter(new ItemsAdapter(result.items));
       }
      });
     }
    },
    new Response.ErrorListener() {
     @Override
     public void onErrorResponse(VolleyError error) {
      Log.e(getClass().getSimpleName(),
       "Exception making Volley request", error);
     }
    });
  rq.add(stringRequest);
 }
}.start();

public void requestSearch(String term) {
  String url = URLS.URL_SEARCH_RESULT + "q=" + URLEncoder.encode(term);
  StringRequest request = new StringRequest(Request.Method.GET, url, new Response.Listener<String>() {
    @Override
    public void onResponse(String response) {
      handleResultResponse(response);
    }
  }, new Response.ErrorListener() {
    @Override
    public void onErrorResponse(VolleyError volleyError) {
      //          L.m("CM", "error " + volleyError);
    }
  });
  request.setRetryPolicy(new DefaultRetryPolicy(SERVER_TIMEOUT_LIMIT,
      DefaultRetryPolicy.DEFAULT_MAX_RETRIES,
      DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));
  VolleyUtils.getInstance().addToRequestQueue(request, "resultReq", context);
}