我想设置为application/json的内容类型,但即使覆盖getBodyContentType()应用程序/ JSON越来越凌空服务器错误后。设置应用程序/ JSON作为排球Stringrequest头的POST方法
StringRequest postRequest = new StringRequest(Request.Method.POST, url,
new Response.Listener<String>() {
@Override
public void onResponse(String response) {
try {
listener.onResponse(response);
Log.d("Response",response.toString());
} catch (Exception e) {
e.printStackTrace();
if (response.length() == 0) {
Log.d("ERROR : ", "NO RESPONSE");
} else {
Log.d("ERROR : ", "EXCEPTION");
}
}
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
// error
listener.onError(error.toString());
Log.d("Error.Response", error.toString());
}
}
) {
@Override
protected Map<String, String> getParams() {
Map<String, String> params = new HashMap<String, String>();
params.put("macId", macValue);
return params;
}
@Override
public String getBodyContentType() {
return "application/json";
}
};
// Adding request to request queue
AppController.getInstance().addToRequestQueue(postRequest);
}
注:请提供代码片段
您可以在'getParamas()'方法中设置标头。 –
您可以通过超越控制getHeaders http://stackoverflow.com/a/17445275/1842454 –