ListView_ArrayAdapter

package com.action;

import android.app.Activity;
import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.ListView;

public class MainActivity extends Activity {
/** Called when the activity is first created. */
private ListView lv;
private String[] positions = { "java", "net", "php", "c#", "c/c++" };
private ArrayAdapter<String> arrad;

@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);

lv = (ListView) findViewById(R.id.main_lv);

// 创建ArrayAdapter对象并绑定数组数据
arrad = new ArrayAdapter<String>(this,
android.R.layout.simple_list_item_1, positions);

// 将ArrayAdapter传递给ListView
lv.setAdapter(arrad);

}
}

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/linearLayout1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<ListView
android:id="@+id/main_lv"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
</ListView>
</LinearLayout>