Android4.2 的代码学习--HolleWorld

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/hello"
  />
</LinearLayout>

 

 MyActivity.java

package com.paad.helloworld;

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

public class MyActivity extends Activity {

  /** Called when the Activity is first created. **/
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    setContentView(R.layout.main);
  }
}

strings.xml

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

    <string name="hello">Hello World, MyActivity!</string>
    <string name="app_name">PA4AD_Ch02_Hello_World</string>

</resources>