Day 112 : 사용자 정보 입력 앱 만들기

- 화면 디자인

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity"
    android:orientation="vertical"
    android:gravity="center_horizontal">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/tvName"
        android:text="사용자 이름"/>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/tvEmail"
        android:text="이메일"/>

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/button1"
        android:text="여기를 클릭"/>

</LinearLayout>

 

- dialog1.xml

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

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="사용자 이름"/>

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/dlgEdt1"/>

    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="이메일"/>

    <EditText
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:id="@+id/dlgEdt2"/>

</LinearLayout>

 

- toast1.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="horizontal"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:background="#ff0000"
    android:gravity="center">

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/btn_star_big_on"/>

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/toastText1"
        android:textSize="20dp"
        android:text="TextView"/>

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/btn_star_big_on"/>

</LinearLayout>

 

- Java 코드

package com.cookandroid.project7_3;

import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;

import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    TextView tvName, tvEmail;
    Button button1;
    EditText dlgEdtName, dlgEdtEmail;
    TextView toastText;
    View dialogView, toastView;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        setTitle("사용자 정보 입력");

        tvName = (TextView) findViewById(R.id.tvName);
        tvEmail = (TextView) findViewById(R.id.tvEmail);
        button1 = (Button) findViewById(R.id.button1);

        button1.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                //dialog1.xml inflate - xml 파일을 가져와 '객체(여기서는 dialogView)'로써 사용
                dialogView = (View) View.inflate(MainActivity.this, R.layout.dialog1, null);
                //대화상자 생성 - AlertDialog.Builder
                AlertDialog.Builder dlg = new AlertDialog.Builder(MainActivity.this);
                dlg.setTitle("사용자 정보 입력");
                dlg.setIcon(R.drawable.ic_menu_allfriends);
                dlg.setView(dialogView);

                //확인 클릭시
                dlg.setPositiveButton("확인", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int which) {
                        //대화상자(dialog1.xml을 인플레이트 한 객체)에 입력한 이름과 이메일에 접근
                        dlgEdtName = (EditText) dialogView.findViewById(R.id.dlgEdt1);
                        dlgEdtEmail = (EditText) dialogView.findViewById(R.id.dlgEdt2);

                        //텍스트뷰의 텍스트를 위에서 가져온 이름과 이메일로 setting
                        tvName.setText(dlgEdtName.getText().toString());
                        tvEmail.setText(dlgEdtEmail.getText().toString());
                    }
                });

                //취소 클릭시
                dlg.setNegativeButton("취소", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialogInterface, int i) {
                        Toast toast = new Toast(MainActivity.this);
                        //toast1.xml inflate
                        toastView = (View) View.inflate(MainActivity.this, R.layout.toast1, null);
                        toastText = (TextView) toastView.findViewById(R.id.toastText1);
                        toastText.setText("취소했습니다");
                        toast.setView(toastView);
                        toast.show();
                    }
                });
                dlg.show();
            }
        });
    }
}

확인 선택 시

취소 선택 시