package com.epoint.listview;
import android.app.ListActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;
public class Main extends ListActivity {
/**
* 注意本程序没有按通常的写法为Activity加载一个布局文件，
* 而是通过setListAdapter(adapter)自动添加一个ListView填充整个ListActivity
*
*/
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setTitle("最简单的ListView");
String[] numbers = new String[] { "Zero", "First", "Scound", "Three",
"Four", "Five", "Six", "Seven", "Seven", "Seven" };
/**
* 第一个参数：当前的上下文
* 第二个参数：每个列表项的布局文件
* 第三个参数：参数
* Tip：你可以使用android.R.layout.simple_list_item_1代替R.layout.list_item，改变ListView显示的样式
*/
ArrayAdapter<String> adapter = new ArrayAdapter<String>(this,
R.layout.list_item, numbers);
setListAdapter(adapter);// 将adapter放入ListView中
ListView listview = getListView();
/**
* The setTextFilterEnabled(boolean) method turns on text filtering for
* the ListView, so that when the user begins typing, the list will be
* filtered.不太明白什么意思？
*/
listview.setTextFilterEnabled(true);
// 设置ListView的监听事件
listview.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
String s = ((TextView) view).getText().toString();
Toast.makeText(getApplicationContext(), s, Toast.LENGTH_SHORT)
.show();
}
});
}
}
list_item.xml
<?xml version="1.0" encoding="utf-8"?>
<TextView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:padding="10dp"
android:textSize="16sp"
/>
