[챕터 2-3-1] 인플레이션

결과화면

 

메뉴 액티비티

부분화면 추가하기 버튼 클릭 시

 

 

인플레이션 : 객체화 (메모리상에 올라간 과정)

 

AndroidManifest.xml : 앱의 관리 정보 

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프로젝트명 : MyInflater

 

app 마우스 우클릭 메뉴

File - New - Activity - Empty Activity

 

Activity Name : MenuActivity

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메뉴 엑티비티에 뷰 구성

텍스트뷰

버튼

컨테이너 

(*) id : container 지정

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res/layout

New > Layout resource file

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부분화면 설정

 

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메뉴 엑티비티

 

package org.minokuma.myinflater;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Context;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.Toast;

public class MenuActivity extends AppCompatActivity {

    LinearLayout container;

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

        container = findViewById(R.id.container);

        Button button2 = findViewById(R.id.button2);
        button2.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                addLayout();
            }
        });

    }

    public void addLayout(){
        LayoutInflater layoutInflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        layoutInflater.inflate(R.layout.sub1,container,true);

        Toast.makeText(this, "부분 화면 추가됨", Toast.LENGTH_LONG).show();
    }

}

 

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AndroidManifest.xml

 

첫 시작 액티비티 위치 변경

 

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="org.minokuma.myinflater">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity"></activity>
        <activity android:name=".MenuActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>