Page 396 - MDP2020-1

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ValidateRequest //서버연동
package com.example.s_mart;

import com.android.volley.AuthFailureError;

import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.toolbox.StringRequest;

import java.util.HashMap;
import java.util.Map;

public class ValidateRequest extends StringRequest {
// 서버url 설정(php파일 연동)
final static private String URL="http://inmagosmart.dothome.co.kr/UserValidate.php";

private Map<String,String> map;

public ValidateRequest(String userID, Response.Listener<String>listener){
super(Request.Method.POST ,URL ,listener,null);

map=new HashMap<>();
map.put("userID",userID);
}

@Override

protected Map<String, String> getParams() throws AuthFailureError {
return map;
}
}

CaculateActivity //계산
package com.example.s_mart;

import android.content.Intent;

import android.os.Bundle;
import android.view.View;

import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;

import androidx.recyclerview.widget.RecyclerView;