ListView自定义适配器

网上关于这方面的好的文章：

http://yilee.info/android-diy-listview.html

/article/1363584.html

http://blog.csdn.net/chenzheng_java/article/details/6202586#

主布局文件：

[html]
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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"
>
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello"
/>

<ListView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:id="@+id/lv"
/>

<ListView
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:id="@+id/lv_2"
/>
</LinearLayout>

条目布局文件

[html]
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item.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_marginTop="10dip"
android:layout_marginLeft="20dip"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>

<RelativeLayout android:id="@+id/rl_root"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1">
<TextView
android:layout_marginTop="5dip"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#0F6D91"
android:textSize="18dip"
android:id="@+id/tv_wordbreeak_danci"
/>

<TextView
android:layout_marginTop="5dip"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#0F6D91"
android:textSize="18dip"
android:id="@+id/tv_wordbreeak_dancinum"
/>

<Button
android:id="@+id/bt_wordbreak_xiangxi"
android:layout_height="wrap_content"
android:layout_width="110dp"
android:text="详细"
android:textColor="#0F6D91"
android:layout_alignParentRight="true"
android:layout_gravity="right"
/>
</RelativeLayout>

</LinearLayout>

条目布局文件

[html]
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item2.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_marginTop="10dip"
android:layout_marginLeft="20dip"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal"
>

<RelativeLayout android:id="@+id/rl_root"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:layout_weight="1">
<TextView
android:layout_marginTop="5dip"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#0F6D91"
android:textSize="18dip"
android:id="@+id/tv_1"
/>

<TextView
android:layout_marginTop="5dip"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="50dip"
android:textColor="#0F6D91"
android:textSize="18dip"
android:id="@+id/tv_2"
/>

<TextView
android:layout_marginTop="5dip"
android:layout_width="wrap_content"
android:layout_marginLeft="100dip"
android:layout_height="wrap_content"
android:textColor="#0F6D91"
android:textSize="18dip"
android:id="@+id/tv_3"
/>

</RelativeLayout>

</LinearLayout>

主页面

[java]
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MainActivity.java

package cn.ls;

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

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

/**
* 这里有两个适配器。
* @author Administrator
*
*/
public class MainActivity extends Activity {

ListView listView , lv_2;

public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
/*通过ListView的ID来获取*/
listView = (ListView) findViewById(R.id.lv);
lv_2 = (ListView) findViewById(R.id.lv_2);

ArrayList<HashMap<String, Object>> data = getData();
ArrayList<HashMap<String, Object>> data2 = getData2();
MyAdapter adapter = new MyAdapter(this, data);
MyAdapter2 adapter_2 = new MyAdapter2(this, data2); //适配三个TextView.

// setListAdapter(adapter); //这个是ListView中的内部类

listView.setAdapter(adapter);

lv_2.setAdapter(adapter_2);
}

/**
* 显示三个TextView的数据。
* @return
*/
private ArrayList<HashMap<String, Object>> getData2() {
ArrayList<HashMap<String, Object>> arrayList = new ArrayList<HashMap<String, Object>>();
//根据需求添加一些数据,
HashMap<String, Object> tempHashMap = new HashMap<String, Object>();

//相同的样式布局,可以设置显示不同的文字。

for (int i = 0; i <25; i++) {
tempHashMap.put("tv_1", "左面");
tempHashMap.put("tv_2", "中间");
tempHashMap.put("tv_3", "右面");
arrayList.add(tempHashMap);
}
System.out.println("个数---------------：" + arrayList.size());
return arrayList;
}

/**
* 显示TextView和按钮。 TextView是变动的。
* @return
*/
private ArrayList<HashMap<String, Object>> getData() {
ArrayList<HashMap<String, Object>> arrayList = new ArrayList<HashMap<String, Object>>();
//根据需求添加一些数据,
HashMap<String, Object> tempHashMap = new HashMap<String, Object>();

//相同的样式布局,可以设置显示不同的文字。

for (int i = 0; i <5; i++) {
tempHashMap.put("danci1", "餐饮美食");
tempHashMap.put("danci1_2", "美食");
tempHashMap.put("danci1_3", "我爱美食");
tempHashMap.put("danci2", "10");//sin.get();

arrayList.add(tempHashMap);
}

System.out.println("个数：" + arrayList.size());
return arrayList;

}
}

适配器文件1

[java]
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<PRE class=java name="code">MyAdapter.java

/**
* 自定义适配器。
* @author Administrator
*
*/
public class MyAdapter extends BaseAdapter{

private ArrayList<HashMap<String, Object>> data;
private LayoutInflater layoutInflater;
private Context context;

public MyAdapter(Context context,ArrayList<HashMap<String, Object>> data) {
this.context = context;
this.data = data;
this.layoutInflater = LayoutInflater.from(context);
}
public int getCount() {
return data.size();
}

public Object getItem(int position) {
return data.get(position);
}

public long getItemId(int position) {
return position;
}

public View getView(int position, View convertView, ViewGroup parent) {
ZuJian zuJian = null;
if (convertView == null){
zuJian = new ZuJian();
// 获取组件布局

convertView = layoutInflater.inflate(R.layout.item, null);
zuJian.dnaci1 = (TextView) convertView.findViewById(R.id.tv_wordbreeak_danci);
zuJian.button = (Button) convertView.findViewById(R.id.bt_wordbreak_xiangxi);

// 这里要注意，是使用的tag来存储数据的。

convertView.setTag(zuJian);
}else{
zuJian = (ZuJian) convertView.getTag();
}
// 绑定数据、以及事件触发 。可以根据不同的条目添加不同的文字。

switch(position){
case 0:
zuJian.dnaci1.setText((String)data.get(position).get("danci1"));
break;
case 1:
zuJian.dnaci1.setText((String)data.get(position).get("danci1_3"));
break;
case 2:
zuJian.dnaci1.setText((String)data.get(position).get("danci1_2"));
break;
case 3:
zuJian.dnaci1.setText((String)data.get(position).get("danci1_2"));
break;
case 4:
zuJian.dnaci1.setText((String)data.get(position).get("danci1"));
break;
}
zuJian.button.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
//点击事件。

}
});

return convertView;
}

}</PRE><BR>
<BR>
<PRE></PRE>
<P><BR>
</P>
适配器文件2<BR>
<PRE class=java name="code">MyAdapter2.java
/**
* 这是第二个适配器
* @author Administrator
*
*/
public class MyAdapter2 extends BaseAdapter{

private ArrayList<HashMap<String, Object>> data2;
private LayoutInflater layoutInflater;
private Context context;

public MyAdapter2(Context context, ArrayList<HashMap<String, Object>> data2) {
this.context = context;
this.data2 = data2;
this.layoutInflater = LayoutInflater.from(context);
}

@Override
public int getCount() {
return data2.size();
}

@Override
public Object getItem(int position) {
return data2.get(position);
}

@Override
public long getItemId(int position) {
return position;
}

public View getView(int position, View convertView, ViewGroup parent) {
ZuJian zuJian = null;
if (convertView == null){
zuJian = new ZuJian();
// 获取组件布局

convertView = layoutInflater.inflate(R.layout.item_2, null);
zuJian.tv_1 = (TextView) convertView.findViewById(R.id.tv_1);
zuJian.tv_2 = (TextView) convertView.findViewById(R.id.tv_2);
zuJian.tv_3 = (TextView) convertView.findViewById(R.id.tv_3);

// 这里要注意，是使用的tag来存储数据的。

convertView.setTag(zuJian);
}else{
zuJian = (ZuJian) convertView.getTag();
}

/*获取map中对应的数据的数据,然后显示在ListView中*/
zuJian.tv_1.setText((String)data2.get(position).get("tv_1"));
zuJian.tv_2.setText((String)data2.get(position).get("tv_2"));
zuJian.tv_3.setText((String)data2.get(position).get("tv_3"));

return convertView;
}

}</PRE><BR>
<PRE class=java name="code">ZuJian.java

public class ZuJian {
public TextView dnaci1;
public TextView danci2;
public Button button;

public TextView dnaci1_2;
public TextView danci2_2;
public Button button_2;

public TextView tv_1;
public TextView tv_2;
public TextView tv_3;
}</PRE><BR>
<BR>

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