[Android] 9. Layout Inflate

https://github.com/upcake/Class_Examples

교육 중에 작성한 예제들은 깃허브에 올려두고 있습니다. 

gif 파일은 클릭해서 보는 것이 정확합니다.

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 - Layout Inflate -

▲Layout Inflate : 작동 화면

 

▼activity_main.xml : 메인 화면

<?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:weightSum="100">

    <Button
        android:id="@+id/btnMain"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:text="화면 인플레이트하기"
        android:textSize="24sp"
        android:layout_weight="10"/>

    <LinearLayout
        android:id="@+id/linear"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:orientation="vertical"
        android:layout_weight="45" />

    <RelativeLayout
        android:id="@+id/relative"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="45" />
</LinearLayout>

 

▼sub1_layout.xml : 서브 화면 1

<?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"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <Button
        android:id="@+id/button1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="sub1 버튼" />

    <CalendarView
        android:id="@+id/calendarView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content" />

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        app:srcCompat="@mipmap/ic_launcher" />
</LinearLayout>

 

▼sub2_layout.xml : 서브 화면 2

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

    <Button
        android:id="@+id/button2"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentStart="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginStart="-1dp"
        android:layout_marginLeft="0dp"
        android:layout_marginTop="0dp"
        android:text="sub2 버튼" />

    <ImageView
        android:id="@+id/imageView2"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentTop="true"
        android:layout_centerHorizontal="true"
        android:layout_marginTop="62dp"
        app:srcCompat="@drawable/ic_launcher_foreground" />

    <RatingBar
        android:id="@+id/ratingBar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="463dp" />

    <SeekBar
        android:id="@+id/seekBar"
        android:layout_width="318dp"
        android:layout_height="91dp"
        android:layout_alignParentBottom="true"
        android:layout_centerHorizontal="true"
        android:layout_marginBottom="240dp" />
</RelativeLayout>

 

▼MainActivity.java : 메인 화면 기능

package com.example.my09_layoutinflate;

import androidx.appcompat.app.AppCompatActivity;

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

public class MainActivity extends AppCompatActivity {
    //변수 선언
    Button btnMain;

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

        //변수 찾기
        btnMain = findViewById(R.id.btnMain);


        //기능 추가
        btnMain.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                LinearLayout linear = findViewById(R.id.linear);
                RelativeLayout relative = findViewById(R.id.relative);

                //인플레이트
                //Object 타입을 캐스팅하라는 에러가 나오는데 Alt + Enter로 쉽게 에러를 고칠 수 있다.
                LayoutInflater inflater = (LayoutInflater) getSystemService(Context.LAYOUT_INFLATER_SERVICE);
                inflater.inflate(R.layout.sub1_layout, linear, true);
                inflater.inflate(R.layout.sub2_layout, relative, true);

                //서브 버튼 초기화화
               Button btnSub1 = linear.findViewById(R.id.button1);
               Button btnSub2 = relative.findViewById(R.id.button2);

               //서브 버튼 기능 추가
                btnSub1.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        Toast.makeText(MainActivity.this, "리니어 버튼 클릭", Toast.LENGTH_SHORT).show();
                    }
                });

                btnSub2.setOnClickListener(new View.OnClickListener() {
                    @Override
                    public void onClick(View v) {
                        Toast.makeText(MainActivity.this, "렐러티브 버튼 클릭", Toast.LENGTH_SHORT).show();
                    }
                });
            }
        });
    }
}