android - NetworkGet, NetworkInsert, BaseAdapter

package com.example.it.myapplication_network;

import android.content.DialogInterface;
import android.net.Network;
import android.support.v7.app.AlertDialog;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ListView;

import com.example.it.myapplication_network.Network.NetworkGet;
import com.example.it.myapplication_network.Network.NetworkInsert;

import java.util.ArrayList;

public class MainActivity extends AppCompatActivity {

    private Button refreshBtn, addBtn;
    private ListView listView;
    private Custom_Adapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        listView = (ListView) findViewById(R.id.listView);
        adapter = new Custom_Adapter(MainActivity.this, R.layout.adapter_userinfo, new ArrayList<UserInfo>());
        listView.setAdapter(adapter);

        refreshBtn = (Button) findViewById(R.id.btnRefresh);
        refreshBtn.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                new NetworkGet((Custom_Adapter) listView.getAdapter()).execute("");
            }
        });

//        addBtn = (Button) findViewById(R.id.btn_add);
//        addBtn.setOnClickListener(new View.OnClickListener() {
//            @Override
//            public void onClick(View v) {
//                final View v = getLayoutInflater().inflate(R.layout.dialog_add, null);
//                new AlertDialog.Builder(MainActivity.this)
//                        .setTitle("멤버 추가")
//                        .setView(v)
//                        .setPositiveButton(android.R.string.ok, new DialogInterface.OnClickListener() {
//                            @Override
//                            public void onClick(DialogInterface dialog, int which) {
//                                String id = ((EditText)v.findViewById(R.id.edtID)).getText().toString();
//                                String name = ((EditText)v.findViewById(R.id.edtName)).getText().toString();
//                                String phone = ((EditText)v.findViewById(R.id.edtPhone)).getText().toString();
//                                String grade = ((EditText)v.findViewById(R.id.edtGrade)).getText().toString();
//
//                                new NetworkInsert(adapter).execute(id,name,phone,grade);
//                            }
//                        })
//                        .setNegativeButton(android.R.string.oanoel, new DialogInterface.OnClickListener() {
//                            @Override
//                            public void onClick(DialogInterface dialog, int which) {
//                                dialogInterface.cancel();
//                            }
//                        })
//                        .setCancelable(false)
//                        .show();
//            }
//        });

        new NetworkGet((Custom_Adapter) listView.getAdapter()).execute(""); // 전체 불러오기

    }
}

package com.example.it.myapplication_network;

public class UserInfo {
    String id, name, phone, grade, writeTime;

    public UserInfo (String id, String name, String phone, String grade, String writeTime) {
        this.id = id;
        this.name = name;
        this.phone = phone;
        this.grade = grade;
        this.writeTime = writeTime;
    }

}

package com.example.it.myapplication_network;

import android.app.Activity;
import android.content.Context;
import android.content.DialogInterface;
import android.support.v7.app.AlertDialog;
import android.text.Layout;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

import com.example.it.myapplication_network.Network.NetworkDelete;

import java.util.ArrayList;

public class Custom_Adapter extends BaseAdapter {
    private Activity mAct;
    LayoutInflater mInflater;
    ArrayList<UserInfo> mUserInfoObjArr;
    int mListLayout;

    public Custom_Adapter(Activity a, int listLayout, ArrayList<UserInfo> userInfoObjArrayListT) {
        mAct = a;
        mListLayout = listLayout;
        mUserInfoObjArr = userInfoObjArrayListT;
        mInflater = (LayoutInflater) a.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    }

    public void setDatas(ArrayList<UserInfo> arrayList) {
        mUserInfoObjArr = arrayList;
    }

    @Override
    public int getCount() {
        return 0;
    }

    @Override
    public Object getItem(int position) {
        return null;
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        if (convertView == null) {
            convertView = mInflater.inflate(mListLayout, parent, false);
        }

        final TextView tvID = (TextView) convertView.findViewById(R.id.tv_id);
        tvID.setText(mUserInfoObjArr.get(position).id);

        final TextView tvName = (TextView) convertView.findViewById(R.id.tv_name);
        tvName.setText(mUserInfoObjArr.get(position).name);

        final TextView tvPhone = (TextView) convertView.findViewById(R.id.tv_phone);
        tvPhone.setText(mUserInfoObjArr.get(position).phone);

        final TextView tvGrade = (TextView) convertView.findViewById(R.id.tv_grade);
        tvGrade.setText(mUserInfoObjArr.get(position).grade);

        final TextView tvWriteTime = (TextView) convertView.findViewById(R.id.tv_write_time);
        tvWriteTime.setText(mUserInfoObjArr.get(position).writeTime);

        Button updateButton = (Button) convertView.findViewById(R.id.btnUpdate);
        updateButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {

            }
        });

        Button deleteButton = (Button) convertView.findViewById(R.id.btn_delete);
        deleteButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                String userID = tvID.getText().toString();
                AlertDialog.Builder ad = new AlertDialog.Builder(mAct);
                ad.setTitle("삭제하기");
                ad.setMessage("사용자 ID : " + userID + "를 정말 삭제하시겠습니까?");

                ad.setNegativeButton("삭제", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        new NetworkDelete(Custom_Adapter.this).execute(tvID.getText().toString());
                    }
                });

                ad.setPositiveButton("취소", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        Toast.makeText(mAct, "취소하였습니다.", Toast.LENGTH_SHORT).show();
                    }
                });
                ad.show();
            }
        });
        return convertView;
    }
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:id="@+id/activity_main"
    android:orientation="vertical" >

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="새로고침"
        android:id="@+id/btnRefresh" />

    <Button
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="추가"
        android:id="@+id/btn_add" />

    <ListView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/listView" />

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <TableLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:id="@+id/tbl1">

        <TableRow
            android:layout_width="match_parent"
            android:layout_height="match_parent">

            <TextView
                android:id="@+id/tv_id"
                android:layout_width="60dp"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:gravity="center"
                android:text="id" />

            <TextView
                android:id="@+id/tv_name"
                android:layout_width="40dp"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:layout_weight="1"
                android:gravity="center"
                android:text="name" />

            <TextView
                android:id="@+id/tv_phone"
                android:layout_width="70dp"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:layout_weight="1"
                android:gravity="center"
                android:text="phone" />

            <TextView
                android:id="@+id/tv_grade"
                android:layout_width="20dp"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:layout_weight="1"
                android:gravity="center"
                android:text="grade" />

            <TextView
                android:id="@+id/tv_write_time"
                android:layout_width="50dp"
                android:layout_height="wrap_content"
                android:layout_gravity="center"
                android:layout_weight="1"
                android:gravity="center"
                android:text="write time" />

        </TableRow>

    </TableLayout>

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_below="@+id/tbl1"
        android:orientation="horizontal" >

        <Button
            android:id="@+id/btn_delete"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_alignParentRight="true"
            android:text="삭제" />

        <Button
            android:id="@+id/btnUpdate"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_toLeftOf="@id/btn_delete"
            android:text="수정" />

    </RelativeLayout>

</RelativeLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical"
    android:padding="5dp" >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:gravity="center_vertical" >

        <TextView
            android:layout_height="match_parent"
            android:layout_gravity="right|center_vertical"
            android:text="ID : "
            android:layout_width="57dp" />
        <EditText
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="left|center_vertical"
            android:hint="ID"
            android:id="@+id/edtID"
            android:paddingLeft="5dp" />
    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:gravity="center_vertical" >

        <TextView
            android:layout_height="match_parent"
            android:gravity="right|center_vertical"
            android:text="NAME : "
            android:layout_width="57dp" />
        <EditText
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="left|center_vertical"
            android:hint="NAME"
            android:id="@+id/edtName"
            android:paddingLeft="5dp"/>

    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:gravity="center_vertical" >

        <TextView
            android:layout_width="57dp"
            android:layout_height="match_parent"
            android:text="PHONE : "
            android:gravity="right|center_vertical"/>

        <EditText
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="left|center_vertical"
            android:hint="PHONE"
            android:id="@+id/edtPhone"
            android:paddingLeft="5dp" />

    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:gravity="center_vertical" >

        <TextView
            android:layout_width="57dp"
            android:layout_height="match_parent"
            android:gravity="right|center_vertical"
            android:text="GRADE : " />

        <EditText
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:gravity="left|center_vertical"
            android:hint="GRADE"
            android:id="@+id/edtGrade"
            android:paddingLeft="5dp" />

    </LinearLayout>

</LinearLayout>