Question

请帮助我修复此代码，我是一名新程序员，并开始在android studio上学习Java。这里的代码。我已经修复了它，但没有进行编译。问题太多了

    private void request()
{
    Log.d("VOLLE------","MAUKKKK");
    JsonArrayRequest requestItem = new JsonArrayRequest(Request.Method.POST, url,null,
            new Response.Listener<JSONArray>() {
                @Override
                public void onResponse(JSONArray response) {
                    for (int i = 0; i < response.length(); i++) {
                        try {
                            JSONObject data = response.getJSONObject(i);
                            OurData item = new OurData();
                            item.setId(data.getString("idperawatan"));
                            item.setmText1(data.getString("nama"));
                            item.setmText2(data.getString("alamat"));
                            item.setmImageResource(data.getString("image"));
                            mList.add(item);
                        } catch (JSONException e) {
                            e.printStackTrace();
                        }
                    }
                    runOnUiThread(new Runnable() {
                        @Override
                        public void run() {
                            mAdapter.notifyDataSetChanged();
                        }
                    });
                }
            },
            new Response.ErrorListener() {
                @Override
                public void onErrorResponse(VolleyError error) {

                }
    });
    requestQueue.add(requestItem);
}

Answer 1

好像在抱怨JsonArrayRequest()中的参数不匹配。尝试删除POST方法和JSONArray参数，并将url字符串作为第一个参数传递：

private void request() {
  Log.d("VOLLE------","MAUKKKK");
  JsonArrayRequest requestItem = new JsonArrayRequest(url,
          new Response.Listener<JSONArray>() {
            @Override
            public void onResponse(JSONArray response) {
              for (int i = 0; i < response.length(); i++) {
                try {
                  JSONObject data = response.getJSONObject(i);
                  OurData item = new OurData();
                  item.setId(data.getString("idperawatan"));
                  item.setmText1(data.getString("nama"));
                  item.setmText2(data.getString("alamat"));
                  item.setmImageResource(data.getString("image"));
                  mList.add(item);
                } catch (JSONException e) {
                  e.printStackTrace();
                }
              }
              runOnUiThread(new Runnable() {
                @Override
                public void run() {
                  mAdapter.notifyDataSetChanged();
                }
              });
            }
          },
          new Response.ErrorListener() {
            @Override
            public void onErrorResponse(VolleyError error) {

            }
          });
  requestQueue.add(requestItem);
}

JSON阵列要求无法套用错误

1 个答案: