ANDROID_MARS学习笔记_S01原始版_006_ListView

一、代码
1.xml
(1)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:drawSelectorOnTop="true"
            android:scrollbars="vertical" />
    </LinearLayout>
</LinearLayout>

(2)user.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="fill_parent" android:layout_height="fill_parent"
    android:orientation="horizontal" android:paddingLeft="10dip"
    android:paddingRight="10dip" android:paddingTop="1dip"
    android:paddingBottom="1dip">
    <TextView android:id="@+id/user_name" android:layout_width="180dip"
        android:layout_height="30dip" android:textSize="5pt"
        android:singleLine="true" />
    <TextView android:id="@+id/user_ip" android:layout_width="fill_parent"
        android:layout_height="fill_parent" android:gravity="right"
        android:textSize="5pt" />
</LinearLayout>

2.java
(1)Activity01.java

package mars.listview;

import java.util.ArrayList;
import java.util.HashMap;

import android.app.ListActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.ListView;
import android.widget.SimpleAdapter;

public class Activity01 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>();
        HashMap<String, String> map3 = new HashMap<String, String>();
        map1.put("user_name", "zhangsan");
        map1.put("user_ip", "192.168.0.1");
        map2.put("user_name", "zhangsan");
        map2.put("user_ip", "192.168.0.2");
        map3.put("user_name", "wangwu");
        map3.put("user_ip", "192.168.0.3");
        list.add(map1);
        list.add(map2);
        list.add(map3);
        MyAdapter listAdapter = new MyAdapter(this, list,
                R.layout.user, new String[] { "user_name", "user_ip" },
                new int[] { R.id.user_name,R.id.user_ip});
        setListAdapter(listAdapter);
    }

    @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);
        System.out.println("position----------" + position);
    }

}

(2)MyAdapter.java

package mars.listview;

import java.util.List;
import java.util.Map;

import android.R.color;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.SimpleAdapter;

public class MyAdapter extends SimpleAdapter {
    private LayoutInflater inflater = null;
    private List<Map<String,Object>> styles = null;
    public List<Map<String, Object>> getStyles() {
        return styles;
    }

    public void setStyles(List<Map<String, Object>> styles) {
        this.styles = styles;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        // TODO Auto-generated method stub
        View result = super.getView(position, convertView, parent);
        System.out.println("positon---->" + position);
        if(result != null){
            inflater.inflate(R.layout.user1, null);
        }
        return result;
    }

    public MyAdapter(Context context, List<? extends Map<String, ?>> data,
            int resource, String[] from, int[] to) {
        super(context, data, resource, from, to);
        inflater = LayoutInflater.from(context);
    }

}