[Android] 사용자 정보 입력

activity_main.xml

<?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"
    android:orientation="vertical"
    android:gravity="center_horizontal"
    tools:context=".MainActivity">
    <TextView
        android:id="@+id/tvName"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="사용자 이름"/>
    <TextView
        android:id="@+id/tvEmail"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="이메일"/>
    <Button
        android:id="@+id/button1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:backgroundTint="#50000000"
        android:textColor="@color/black"
        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:id="@+id/dlgEdt1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>
    <TextView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="이메일"/>
    <EditText
        android:id="@+id/dlgEdt2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"/>
</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="20dp"
        android:layout_height="20dp"
        android:src="@drawable/btn_star_big_on" />
    <TextView
        android:id="@+id/toastText1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:textSize="20dp"
        android:text="TextView"/>
    <ImageView
        android:layout_width="20dp"
        android:layout_height="20dp"
        android:src="@drawable/btn_star_big_on"/>
</LinearLayout>

MainActivity.java

package com.example.project7_3;

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

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) {
                //dlg 객체생성
                AlertDialog.Builder dlg = new AlertDialog.Builder(MainActivity.this);
                //dialog1.xml을 불러오기 위해 inflate를 해주어야 한다.
                dialogView = (View) View.inflate(MainActivity.this,R.layout.dialog1,null);
                dlg.setTitle("사용자 정보 입력");
                dlg.setIcon(R.drawable.ic_launcher_foreground);
                dlg.setView(dialogView);
                dlg.setPositiveButton("확인", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        dlgEdtName = (EditText) dialogView.findViewById(R.id.dlgEdt1);
                        dlgEdtEmail = (EditText) dialogView.findViewById(R.id.dlgEdt2);
                        tvName.setText(dlgEdtName.getText().toString());
                        tvEmail.setText(dlgEdtEmail.getText().toString());
                    }
                });
                dlg.setNegativeButton("취소", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        //toast 객체생성
                        Toast toast = new Toast(MainActivity.this);
                        //toast1.xml을 불러오기 위해 inflate를 해준다.
                        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();
            }
        });
    }
}

배운 점

activity_main.xml 외에 다른 xml 파일을 불러올 때는 inflate를 해주면 된다.(주석 참조)

 

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