android ListView控件基本用法实例 源代码
package cn.captain.listview;
import java.util.ArrayList;
import java.util.HashMap;
import android.app.Activity;
import android.app.ListActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ListView;
import android.widget.SimpleAdapter;
import android.widget.Toast;
public class Demo_ListViewActivity extends ListActivity {
/** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
ArrayList<HashMap<String,String>> list = new ArrayList<HashMap<String,String>>();
HashMap<String,String> map1 = new HashMap<String,String>();
HashMap<String,String> map2 = new HashMap<String,String>();
map1.put("user_name", "captain");
map1.put("user_ip", "138");
map2.put("user_name", "qiliang");
map2.put("user_ip", "139");
list.add(map1);
list.add(map2);
SimpleAdapter listadpter = new SimpleAdapter(this,list,R.layout.captain,new String[]{"user_name", "user_ip"},new int[]{R.id.user_name,R.id.user_ip});
this.setListAdapter(listadpter);
}
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
// TODO Auto-generated method stub
super.onListItemClick(l, v, position, id);
System.out.println("id = " + id);
Toast.makeText(this,"id="+id,0).show();
System.out.println("position = " + position);
Toast.makeText(this,"position = " + position,0).show();
}
}
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" >
<LinearLayout android:id="@+id/listLinearLayout"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="vertical" >
<ListView android:id="@id/android:list"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:scrollbars="vertical"/>
</LinearLayout>
</LinearLayout>
captain.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<TextView android:id="@+id/user_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingLeft="2dip"
android:textSize="20pt"
/>
<TextView android:id="@+id/user_ip"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="20pt"
android:paddingRight="2dip"
/>
</LinearLayout>
