Android - 请求中不包含 Volley 请求参数？

Question

我有一个JSONObjectRequest 我正在尝试通过 Volley 发送到我的 Rails 应用程序。我正在使用我的 Rails API，但收到 401 响应。我的 API 肯定是通过 curl 工作的，所以我认为我的 Volley 请求还没有完全正确。

public void login(View button) {
        EditText userEmailField = (EditText) findViewById(R.id.userEmail);
        mUserEmail = userEmailField.getText().toString();
        EditText userPasswordField = (EditText) findViewById(R.id.userPassword);
        mUserPassword = userPasswordField.getText().toString();


        if (mUserEmail.length() == 0 || mUserPassword.length() == 0) {
            // input fields are empty
            Toast.makeText(this, "Please complete all the fields",
                Toast.LENGTH_LONG).show();
            return;
        } else {
            JsonObjectRequest loginRequest = new JsonObjectRequest(Request.Method.POST, url, null,
                    new Response.Listener<JSONObject>() {
                        @Override public void onResponse(JSONObject response) {
                            try {
                                //everything is good
                                if (response.getBoolean("success")) {
                                    SharedPreferences.Editor editor = mPreferences.edit();

                                //Save auth_token into shared preferences
                                    editor.putString("AuthToken", response.getJSONObject("data").getString("auth_token"));
                                    editor.commit();

                                // launch the HomeActivity and close this one
                                    Intent intent = new Intent(getApplicationContext(), MainActivity.class);
                                    startActivity(intent);
                                    finish();

                                }

                            } catch (Exception e) {
                                // something went wrong: show Toast
                                //with the exception message
                                Toast.makeText(myActivity, e.getMessage(), Toast.LENGTH_LONG).show();
                            } 
                        }
                    },
                    new Response.ErrorListener()
                    {
                        @Override public void onErrorResponse(VolleyError error) {
                            Log.d("Error.Response", error.toString());
                        }
                    }) {

                 @Override
                 protected Map<String, String> getParams() {
                     Map<String, String> params = new HashMap<String, String>();
                     params.put("email", mUserEmail);
                     params.put("password", mUserPassword);

                     return params;
                 }
            };

            VolleySingleton.getInstance(this).addToRequestQueue(loginRequest); //Call to get dashboard feed
        }
     };

编辑

带有 401 的 Rails 日志：似乎我的参数未包含在请求中。我在 Volley 请求中做错了什么，不包括在内？

Started POST "/api/v1/sessions" for 11.111.111.11 at ....
Processing by Api::V1::SessionsController#create as JSON
Parameters: {"session"=>{}}
Completed 401 Unauthorized in 2ms

Answer 1

感谢@jamesw 为我指明了正确的方向here。出于某种原因，此 POST 请求中未调用 getParams。我不知道为什么，但显然其他人也有同样的问题。

一种解决方法是创建一个 JSONObject 并将其传递给JsonObjectRequest：

JSONObject parentData = new JSONObject();
JSONObject childData = new JSONObject();
  try {
    childData.put("email", mUserEmail);
    childData.put("password", mUserPassword);
    parentData.put("user", childData);
  } catch (JSONException e) {
    e.printStackTrace();
  }

将其传递给 JOR 构造函数：

JsonObjectRequest loginRequest = new JsonObjectRequest(Request.Method.POST, url, parentData, Listener..., ErrorListener...

对我有用，但如果有人可以解释如何致电 getParams() 或更清洁的解决方案，请随时回答，我会接受。