android ListView 简单测试

 

demo1

import android.os.Bundle;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.ListView;
public  class MainMenu extends Activity {

     CheckBox cb; 
    @Override
    protected void onCreate(Bundle savedInstanceState) {        
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main); 
        ListView listView = new ListView(this);  

        listView.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_expandable_list_item_1,getData()));  
           
       setContentView(listView);  


    }

    private List<String> getData(){  

                    

                List<String> data = new ArrayList<String>();  

                data.add("测试数据1");  

                data.add("测试数据2");  

                data.add("测试数据3");  

                data.add("测试数据4");  

                    

                return data;  

            }  


    
    
  

}

 

 

demo2

package demo.listview;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

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


public class demolist extends Activity {
 
    
       
      @Override 
      public void onCreate(Bundle icicle) { 
        super.onCreate(icicle); 
        setContentView(R.layout.main); 
        ListView listView = new ListView(this);  
       
        
        SimpleAdapter adapter = new SimpleAdapter(this,getData(),R.layout.vlist,  

                                new String[]{"title","info","img"},  

                                 new int[]{R.id.title,R.id.info,R.id.img});  

        listView.setAdapter(adapter);  
        setContentView(listView);  

      }
      private List<Map<String, Object>> getData() {  

                  List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();  

              

                   Map<String, Object> map = new HashMap<String, Object>();  

                   map.put("title", "G1");  

                  map.put("info", "google 1");  

                   map.put("img", R.drawable.icon);  

                  list.add(map);  

              

                   map = new HashMap<String, Object>();  

                  map.put("title", "G2");  

                   map.put("info", "google 2");  

                   map.put("img", R.drawable.icon);  

                   list.add(map);  

            

                  map = new HashMap<String, Object>();  

                   map.put("title", "G3");  

                  map.put("info", "google 3");  

                  map.put("img", R.drawable.icon);  

                   list.add(map);  

                      

                   return list;  

              }  


}

 

 

 

vlist.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">
     
     
        <ImageView android:id="@+id/img"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_margin="5px"/>
     
        <LinearLayout android:orientation="vertical"
            android:layout_width="wrap_content"
        android:layout_height="wrap_content">
     
            <TextView android:id="@+id/title"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:textColor="#FFFFFFFF"
                android:textSize="22px" />
        <TextView android:id="@+id/info"
            android:layout_width="wrap_content"
                android:layout_height="wrap_content"
            android:textColor="#FFFFFFFF"
                android:textSize="13px" />
     </LinearLayout>
        </LinearLayout>