Android listView 梳理

這幾天關於這個ListView一團亂。現在重新梳理下：

①項vlist.xml:

 

②頁面activity_list.xml:

 

③ListViewActivity.xml:

 

package cn.com.smartcost.offer.ui;

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

import cn.com.smartcost.offer.R;
import android.app.Activity;
import android.os.Bundle;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.ListView;
import android.widget.SimpleAdapter;

public class ListViewActivity extends Activity {  
    @Override  
    public void onCreate(Bundle savedInstanceState) {  
        super.onCreate(savedInstanceState);  
        setContentView(R.layout.activity_list);  
        //綁定Layout裡面的ListView  
        ListView list = (ListView) findViewById(R.id.ListView01);  
          
        //生成動態數組，加入數據  
       List> listItem = new ArrayList>();  
        for(int i=0;i<10;i++)  
        {  
            HashMap map = new HashMap();  
            map.put(materialName, Level +i);  
            map.put(materialFormat, Finished in 1 Min 54 Secs, 70 Moves! );  
            listItem.add(map);  
        }  
        //生成適配器的Item和動態數組對應的元素  
        SimpleAdapter listItemAdapter = new SimpleAdapter(this,listItem,//數據源   
            R.layout.vlist,//ListItem的XML實現  
            //動態數組與ImageItem對應的子項          
            new String[] {materialName, materialFormat},   
            //ImageItem的XML文件裡面的一個ImageView,兩個TextView ID  
            new int[] {R.id.materialName,R.id.materialFormat}  
        );  
         
        //添加並且顯示  
        list.setAdapter(listItemAdapter);  
          
        //添加點擊  
        list.setOnItemClickListener(new OnItemClickListener() {  
            @SuppressWarnings(unchecked)
			@Override  
            public void onItemClick(AdapterView parent, View view, int position,
    				long id) {  
            	ListView lView = (ListView)parent;
            	 Map map = (Map) lView.getItemAtPosition(position);
                setTitle(點擊第+map.get(materialName).toString()+個項目);  
            }
        });  
       
    }  
      
    //長按菜單響應函數  
    @Override  
    public boolean onContextItemSelected(MenuItem item) {  
        setTitle(點擊了長按菜單裡面的第+item.getItemId()+個項目);   
        return super.onContextItemSelected(item);  
    }  
}