删除数据时android ListView不更新
私有无效检索数据(){ StringRequest StringRequest=新的StringRequest(Request.Method.POST)https://notesapppiyush.000webhostapp.com/listview.php", 新的Response.Listener(){ @凌驾 公共void onResponse(字符串响应){ feedbackArrayList.clear(); 试一试{ JSONObject JSONObject=新JSONObject(响应); String success=jsonObject.getString(“success”); JSONArray JSONArray=jsonObject.getJSONArray(“反馈”)删除数据时android ListView不更新,android,mysql,Android,Mysql,私有无效检索数据(){ StringRequest StringRequest=新的StringRequest(Request.Method.POST)https://notesapppiyush.000webhostapp.com/listview.php", 新的Response.Listener(){ @凌驾 公共void onResponse(字符串响应){ feedbackArrayList.clear(); 试一试{ JSONObject JSONObject=新JSONObject
if(success.equals(“1”))
{
对于(int i=0;i
if (success.equals("1"))
{
for (int i=0;i<jsonArray.length();i++)
{
JSONObject object = jsonArray.getJSONObject(i);
String id =object.getString("id");
String name =object.getString("name");
String email =object.getString("email");
String feedbacks =object.getString("feedback");
feedback = new Feedback(id,name,email,feedbacks);
feedbackArrayList.add(feedback);
listView.invalidateViews();
}
}
}catch (JSONException e)
{
e.printStackTrace();
}
}
}, new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
Toast.makeText(getApplicationContext(), error.getMessage(), Toast.LENGTH_SHORT).show();
}
}
);
RequestQueue requestQueue= Volley.newRequestQueue(this);
requestQueue.add(stringRequest);
}