我想用表单urlencoded参数创建一个POST JSONObjectRequest.我怎样才能做到这一点？我试过以下代码,但无济于事.
final String api = "http://api.url";
final JSONObject jobj = new JSONObject();
jobj.put("Username", "usr");
jobj.put("Password", "passwd");
jobj.put("grant_type", "password");
final JsonObjectRequest jor = new JsonObjectRequest(
Request.Method.POST,
api, jobj,
new Response.Listener<JSONObject>() {
@Override
public void onResponse(JSONObject response) {
Toast.makeText(getApplicationContext(), "Login Successful!", Toast.LENGTH_LONG).show();
//do other things with the received JSONObject
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(getApplicationContext(), "Error!", Toast.LENGTH_LONG).show();
}
}) {
@Override
public Map<String, String> getHeaders() throws AuthFailureError {
Map<String, String> pars = new HashMap<String, String>(); …