我使用Volley将POST用户名,密码和电子邮件用于注册目的。我参考了This tutorial。并按照本教程中的定义工作。Volley Post请求不适用于API
这里是我的代码:
JsonObjectRequest jsonObjectRequest = new JsonObjectRequest(Request.Method.POST,
URL_string.api_url,null
new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
Log.i("Result", "Success");
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Log.i("Result", "UnSuccess");
}
}){
@Override
protected Map<String, String> getParams() throws AuthFailureError {
Map<String, String> params = new HashMap<String, String>();
Log.i("Result_Params",emailValue + passwordValue + nameValue);
params.put("email", emailValue);
params.put("password", passwordValue);
params.put("name", nameValue);
return super.getParams();
}
@Override
public Map<String, String> getHeaders() throws AuthFailureError {
HashMap<String, String> headers = new HashMap<String, String>();
headers.put("Content-Type", "application/json; charset=utf-8");
return super.getHeaders();
}
};
RequestQueue requestQueue = Volley.newRequestQueue(this);
jsonObjectRequest.setRetryPolicy(new DefaultRetryPolicy(DefaultRetryPolicy.DEFAULT_TIMEOUT_MS * 2, DefaultRetryPolicy.DEFAULT_MAX_RETRIES, DefaultRetryPolicy.DEFAULT_BACKOFF_MULT));
requestQueue.add(jsonObjectRequest);
但我的代码显示了这个错误:
[368] BasicNetwork.performRequest: Unexpected response code 422 for http://myapi.com/api/register
错误422的API定义为:
{
"message": "422 Unprocessable Entity",
"errors": {
"email": [
"The email field is required."
],
"password": [
"The password field is required."
],
"name": [
"The password field is required."
]
},
"status_code": 422
}
我想:
改变JsonObjectRequest到StringRequest,
在URL_string.api_url的地方原来的URL,
但反应仍然是一样的。这是因为我没有为Volley图书馆制作任何课程吗?我从Androidhive.info也这样做,但失败了!
现在我不知道如何从这一步开始,而登录getParams会记录用户输入的名称,电子邮件和pw的正确值,但POST操作仍然不起作用。请帮忙! 在此先感谢!
你应该返还paramters不超价值 – silverFoxA
是的,它worked.Thank你这么多@silverFoxA – Swr7der