Android 基础-最简单的listView实现 ArrayAdapter

/**
 * 
 * @author Administrator
 *ListView
 *适配器——1.设置ListView条目数量
 * 2.控制每个条目现实的内容
 */
public class MainActivity extends Activity {


@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ListView list=(ListView)findViewById(R.id.list);
String[]data={"小王","大王","小王他哥","老王","隔壁老王","小黑","拍拍","剃刀"};
ArrayAdapter<String> adapter=new ArrayAdapter<String>(MainActivity.this, android.R.layout.simple_list_item_1,data);
list.setAdapter(adapter);
}


@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main, menu);
return true;
}

}

activity_main.xml

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context=".MainActivity" >


   <ListView 
       android:id="@+id/list"
       android:layout_width="fill_parent"
       android:layout_height="fill_parent"
       ></ListView>


</RelativeLayout>