main.xml---------------------------------------------------------------

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="fill_parent"
    android:layout_height="fill_parent"
    >
    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/insa"
        android:textColor="#ff0000"
        android:textSize="20pt"
        android:textStyle="italic"
        />
    <TextView
        android:layout_wdith="fill_parent"
        android:layout_height="wrap_content"
        android:text="@string/anyoung"
        android:textSize="20sp"
        android:background="#0000ff"
        />
    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:text="Good Morning"
        android:textColor="#8000ff00"
        android:textSize="5mm"
        android:typeface="serif"
        />
</LinearLayout>

---------------------------------

string.xml -----------------

<?xml version="1.0" encoding="utf=8"?>
<resources>

    <string name="app_name">TextViewTest</string>
    <string name="hello_world">Hello world!</string>
    <string name="insa">Hello</string>
    <String name="anyoung">안녕하세요</String>

</resources>

-------------------------------------

 error: No resource identifier found for attribute 'layout_wdith' in package 'android'
 error: Error: No resource found that matches the given name (at 'text' with value '@string/insa').
error: Error: No resource found that matches the given name (at 'text' with value '@string/anyoung').
 error: Error: No resource found that matches the given name (at 'title' with value '@string/menu_settings').

이런 에러가 납니다..;;

책이 틀린건 아닐테고

TextView에서 @string 지우고 컴파일하니 다른 에러들이 발생하는군요...

참;; 책은 2.3버전이고 저는 4.0인데..

단지 버전차이 때문에는 아닌거같은데... 어떻하나요 ㅠㅠ 도와주세요