Android:ScorllViewAndListView冲突问题另一种解决方案

直接贴代码 我不喜欢废话!看看吧!

package com.jclt.activity;

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

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.util.DisplayMetrics;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
import android.widget.AdapterView.OnItemClickListener;

/**
 * 测试ScrollView和listview
 * @author TanRuixiang
 * @date 2011年8月2日, PM 03:05:08
 */
public class ScorllViewAndListViewActivity extends Activity {
	private ListView listView = null;
	private ListAdapter listAdapter = null;
	private List<Map<String,Object>> list = null ;
	private float density = 0 ; 
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        //绑定ID到控件上面
        listView = (ListView)findViewById(R.id.listview);
        DisplayMetrics metrics = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(metrics);
        density = metrics.density;
        initDate();
    }
    
	/**
     * 拿到整个数据List的大小</br>
     * 如果List不等于空 或者 List的大小大于零</br>
     * 实例化一个自定义的适配器,把自定义的适配器绑定到控件ListView上面</br>
     * 实例化一个自定义的监听器,把自定义的监听器绑定到控件ListView上面</br>
     * 判断屏幕的密度 </br>
     * 如果密度小于1.0 密度等于1.5</br>
     * 就给ListView手动设置宽度和高度</br>
     */
    private void initDate(){
    	list = getData();
    	if(list != null && list.size() > 0){
    		//SimpleAdapter adapter = new SimpleAdapter(this, list, R.layout.list_item, new String[]{"name","age"}, new int[]{R.id.textviewName,R.id.textviewAge});
    		listAdapter = new ListAdapter(this);
    		listView.setAdapter(listAdapter);
    		listView.setOnItemClickListener(new OnclickListVieListener());
    		if(density < 1.0 || density == 1.5){
    			listView.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, (int) (list.size() * 48 * density)));
    		} else{
    			listView.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.FILL_PARENT, (int) (list.size() * 47 * density)));
    		}
    	}
    }
    /**
     *  获取到数据(此数据类型是一个List集合,List集合中是一个Map(通过键值对来获取Map中的数据))
     * @return list
     */
   /* 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("name", "yuanshouhui");
		map.put("pass", "123456");
		list.add(map);

		map = new HashMap<String, Object>();
		map.put("name", "tanglong");
		map.put("pass", "123456");
		list.add(map);

		map = new HashMap<String, Object>();
		map.put("name", "zhuangsan");
		map.put("pass", "123456");
		list.add(map);

		map = new HashMap<String, Object>();
		map.put("name", "xiaoyuan");
		map.put("pass", "123456");
		list.add(map);

		map = new HashMap<String, Object>();
		map.put("name", "xiaoqiang");
		map.put("pass", "123456");
		list.add(map);
		map.put("name", "yuanshouhui");
		map.put("pass", "123456");
		list.add(map);

		map = new HashMap<String, Object>();
		map.put("name", "tanglong");
		map.put("pass", "123456");
		list.add(map);

		map = new HashMap<String, Object>();
		map.put("name", "zhuangsan");
		map.put("pass", "123456");
		list.add(map);

		map = new HashMap<String, Object>();
		map.put("name", "xiaoyuan");
		map.put("pass", "123456");
		list.add(map);

		map = new HashMap<String, Object>();
		map.put("name", "xiaoqiang");
		map.put("pass", "123456");
		list.add(map);

		map.put("name", "yuanshouhui");
		map.put("pass", "123456");
		list.add(map);

		map = new HashMap<String, Object>();
		map.put("name", "tanglong");
		map.put("pass", "123456");
		list.add(map);

		return list;

	}*/
    private List<Map<String, Object>> getData(){
    	List<Map<String, Object>> list = new ArrayList<Map<String,Object>>();
    	for (int i = 0; i < 30; i++) {
    		Map<String, Object> map = new HashMap<String, Object>();
    		map.put("name", "name"+i);
    		map.put("age", "age"+i);
    		list.add(map);
		}
    	return list;
    }
    /**
     * 设置监听器(给ListView每一个Item设置一个监听器)
     * @author TanRuixiang
     * @date 2011年8月2日, PM 03:05:08
     */
    class OnclickListVieListener implements OnItemClickListener{

		@Override
		public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
				long arg3) {
			Toast.makeText(getApplicationContext(), "第"+arg2+"个触发监听器", 0).show();
		}
    	
    }
    /**
     * 设置一个适配器(把该适配器绑定到ListView上面)
     * @author TanRuixiang
     * @date 2011年8月2日, PM 03:05:08
     */
	class ListAdapter extends BaseAdapter{
       private LayoutInflater inflater ; 
       public ListAdapter(Context context){
    	   this.inflater = LayoutInflater.from(context);
       }
		@Override
		public int getCount() {
			return list.size();
		}

		@Override
		public Object getItem(int position) {
			return list.get(position);
		}

		@Override
		public long getItemId(int position) {
			return position;
		}
        public final class Holder{
        	TextView gridName;
			TextView gridPrice;
        }
		@Override
		public View getView(int position, View convertView, ViewGroup parent) {
			Holder holder ; 
			if(convertView == null){
				holder = new Holder();
				convertView = inflater.inflate(R.layout.list_item, null);
				holder.gridName = (TextView)convertView.findViewById(R.id.textviewName);
				holder.gridPrice = (TextView)convertView.findViewById(R.id.textviewAge);
				convertView.setTag(holder);
			}else{
				holder =(Holder)convertView.getTag();
			}
 			holder.gridName.setText(("姓名:")+(String)list.get(position).get("name"));
 			System.out.println(holder.gridName.getText());
			holder.gridPrice.setText(("年龄:")+(String)list.get(position).get("age"));
			return convertView;
		}
    	
    }
}

 

<?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"
    >
    <TextView android:id="@+id/textviewName"
    		  android:layout_width="fill_parent"
    		  android:layout_height="wrap_content"
    		  />
    		  <TextView android:id="@+id/textviewAge"
    		  			android:layout_width="fill_parent"
    		  			android:layout_height="wrap_content"
    		  			/>
    </LinearLayout>

 

<?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"
    >
<ScrollView android:id="@+id/scorllview"
 			android:layout_width="wrap_content"
 			android:layout_height="wrap_content"
 			>
 			<LinearLayout android:orientation="vertical"
 						  android:layout_width="wrap_content"
 						  android:layout_height="wrap_content"
 						  >
 						  <ListView android:id="@+id/listview"
 						  			android:layout_width="wrap_content"
 						  			android:layout_height="wrap_content"
 						  			android:dividerHeight="1dip"
 						  			></ListView>
 						  </LinearLayout>
 			</ScrollView>
 			
</LinearLayout>