2일차 기본3

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

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/hello" />

    <TextView
        android:layout_width="320px"
        android:layout_height="wrap_content"
        android:background="#ff0000"
        android:text="TextView" >

        <!-- 16*16=256   RGB  #RRGGBB -->
    </TextView>

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="버튼" >
    </Button>

    <Button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="버튼2" />

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:src="@drawable/ic_launcher"
        android:background="#77ff0000"
        ></ImageView>

    <ImageView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:src="@drawable/ic_launcher" 
        android:background="#7799aa"/>

    <ImageView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scaleType="centerCrop"
        android:src="@drawable/ic_launcher" 
        android:background="@drawable/dolly"/>
    
    <!--
          scaleType  
            nothing : default 뷰 크기에 맞게 확대 
    	    matix : 원본사이즈 그대로 
            fixXY : 뷰 크기에 맞게 늘리거나 줄이기
            center : 가운데배치 크기 그대로 가기
            centerCrop : 가운데 배치 비율을 확대 축소
                             + 남는 부분 crop 

    -->

</LinearLayout>

package com.sogangori; 

import android.app.Activity;
import android.os.Bundle;

public class HelloWorldActivity extends Activity {
    
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        
        //-----------xml--------------
        
        setContentView(R.layout.main);
        
    }
}