通过重写listview的adapter，将listview和checkbox结合在一起，并且二者可以分别操作。
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<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="fill_parent" android:layout_height="fill_parent" android:orientation="vertical"> <ListView android:id="@+id/android:list" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="2.0" android:scrollbars="vertical"
/> <TextView android:id="@+id/foodname" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1.0" android:textSize="20dp" android:text=""
/> <TextView android:id="@+id/price" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_weight="1.0" android:textSize="20dp" android:text=""
/> <LinearLayout
android:layout_width="fill_parent" android:layout_height="wrap_content">
<Button
android:id="@+id/call"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/thphone1"
android:layout_weight="1.0" android:textSize="20dp"
android:text="电话订餐"
/>
<Button android:id="@+id/cancelButton" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_weight="1.0" android:textSize="20dp" android:text="取消"
/>
</LinearLayout>
</LinearLayout> |
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<?xml
version="1.0"
encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android" android:id="@+id/RelativeLayout01" android:layout_width="fill_parent" android:layout_height="wrap_content" android:paddingBottom="4dip" android:paddingLeft="12dip" android:paddingRight="12dip"
> <CheckBox android:id="@+id/CheckBox01" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:focusable="false"
android:clickable="false" android:focusableInTouchMode="false"
android:gravity="center_vertical" android:paddingTop="12dip"
>
</CheckBox>
<TextView android:id="@+id/topTextView" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="TextView1" android:textSize="20dip"
/> <TextView android:id="@+id/bottomTextView" android:layout_width="fill_parent" android:layout_height="wrap_content" android:layout_below="@+id/topTextView" android:text="TextView2"
> </TextView>
</RelativeLayout> |
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package
com.amaker.wlo; import
java.io.InputStream; import
java.net.URL; import
java.net.URLConnection; import
java.util.ArrayList; import
java.util.HashMap; import
java.util.List; import
javax.xml.parsers.DocumentBuilder; import
javax.xml.parsers.DocumentBuilderFactory; import
org.w3c.dom.Document; import
org.w3c.dom.NodeList; import
android.app.Activity; import
android.content.Context; import
android.content.Intent; import
android.content.SharedPreferences; import
android.content.pm.PackageManager.NameNotFoundException;
import android.net.Uri;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.Button;
import android.widget.ListView;
import android.widget.RelativeLayout;
import android.widget.TextView;
import
com.amaker.util.HttpUtil; public
class MenuActivity
extends Activity {
private
ListView listview; private
TextView totalPrice; private
TextView totalFood; private
Button callBtn; private
Button cancleBtn; @Override protected
void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_menu);
listview=(ListView)findViewById(android.R.id.list);
totalPrice=(TextView)findViewById(R.id.price);
totalFood=(TextView)findViewById(R.id.foodname);
callBtn=(Button)findViewById(R.id.call);
callBtn.setOnClickListener(callListener);
cancleBtn=(Button)findViewById(R.id.cancelButton);
cancleBtn.setOnClickListener(canclelistener);
Context context=null;
try {
context= createPackageContext("com.amaker.wlo", Context.CONTEXT_IGNORE_SECURITY);
} catch
(NameNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SharedPreferences preferences = context.getSharedPreferences("shop_id", MODE_WORLD_WRITEABLE);
int shopid=preferences.getInt("shopid",
0);
String urlStr = HttpUtil.BASE_URL + "servlet/FoodServlet?shopId="+shopid;
try {
// 实例化URL
URL url = new URL(urlStr);
// URLConnection 实例
URLConnection conn = url.openConnection();
// 获得输入流
InputStream in = conn.getInputStream();
// 获得DocumentBuilderFactory对象
DocumentBuilderFactory factory = DocumentBuilderFactory
.newInstance();
// 获得DocumentBuilder对象
DocumentBuilder builder = factory.newDocumentBuilder();
// 获得Document对象
Document doc = builder.parse(in);
// 获得节点列表
NodeList nl = doc.getElementsByTagName("food");
// Spinner数据
ArrayList<HashMap<String, Object>> listitem = new
ArrayList<HashMap<String, Object>>();
// 获得XML数据
for (int
i = 0; i < nl.getLength(); i++) {
// 商家編號
// 商家名字foodPrice String foodName = doc.getElementsByTagName("foodName")
.item(i).getFirstChild().getNodeValue();
String foodPrice = doc.getElementsByTagName("foodPrice")
.item(i).getFirstChild().getNodeValue();
HashMap<String, Object> map = new
HashMap<String, Object>();
map.put("foodName", foodName);
map.put("foodPrice", foodPrice+"元");
listitem.add(map);
}
MenuListAdapter listAdapter = new
MenuListAdapter(this,listitem, R.layout.listview_style,
new String[] {
"foodName", "foodPrice"
},
new int[] { R.id.topTextView, R.id.bottomTextView }
);
listview.setAdapter(listAdapter);
listview.setOnItemClickListener(getMenu);
}catch
(Exception e) {
e.printStackTrace();
}
}
OnItemClickListener getMenu=new
OnItemClickListener() {
int sumprice=0;
//定义一个存储所有价格的变量
String sumfood="";
//定义一个存储所有食物的变量
@Override
public void
onItemClick(AdapterView<?> parent, View view, int
position,
long id) {
RelativeLayout lr = (RelativeLayout) view;
TextView tvtop = (TextView) lr.getChildAt(1);
String foodName=tvtop.getText().toString()+" ";
TextView tv = (TextView) lr.getChildAt(2);
String s = tv.getText().toString();
int foodprice=Integer.parseInt(s.substring(0, s.indexOf("元")));
// 取得ViewHolder对象，这样就省去了通过层层的findViewById去实例化我们需要的cb实例的步骤
ViewHolder holder = (ViewHolder) view.getTag();
// 改变CheckBox的状态
holder.cb.toggle();
// 将CheckBox的选中状况记录下来
MenuListAdapter.getIsSelected().put(position, holder.cb.isChecked());
// 调整选定条目
if (holder.cb.isChecked() == true) {
sumprice=sumprice+foodprice;
sumfood=sumfood+foodName;
} else
{
sumprice=sumprice-foodprice;
sumfood=sumfood.replace(foodName, "");
}
// 用TextView显示
totalPrice.setText("你預計消費： "+sumprice);
totalFood.setText("你已經點了： "+sumfood);
} };
OnClickListener callListener=new
OnClickListener() {
@Override
public void
onClick(View v) {
Context context=null;
try {
context= createPackageContext("com.amaker.wlo", Context.CONTEXT_IGNORE_SECURITY);
} catch
(NameNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
SharedPreferences pref = context.getSharedPreferences("phoneinfo", MODE_WORLD_WRITEABLE);
String PhoneNum=pref.getString("PhoneNum",
"");
Intent intent = new
Intent(Intent.ACTION_CALL,Uri.parse("tel:"+PhoneNum));
startActivity(intent);
} };
OnClickListener canclelistener=new
OnClickListener() {
@Override
public void
onClick(View v) {
Intent intent=new
Intent(MenuActivity.this,MainMenuActivity.class);
startActivity(intent);
} };
} |
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package
com.amaker.wlo; import
java.util.ArrayList; import
java.util.HashMap; import
java.util.List; import
java.util.Map; import
android.content.Context; import
android.view.LayoutInflater; import
android.view.View; import
android.view.ViewGroup; import
android.widget.BaseAdapter; import
android.widget.CheckBox; import
android.widget.SimpleAdapter; import
android.widget.TextView; public
class MenuListAdapter
extends SimpleAdapter {
// 用来控制CheckBox的选中状况
private static
HashMap<Integer, Boolean> isSelected; // 用来导入布局
private LayoutInflater inflater =
null; private
List<? extends
Map<String, ?>> Mdata; public
MenuListAdapter(Context context,
List<? extends
Map<String, ?>> data, int
resource, String[] from,
int[] to) {
super(context, data, resource, from, to);
this.Mdata=data;
isSelected=new
HashMap<Integer, Boolean>();
inflater = LayoutInflater.from(context);
initDate(); }
private
void initDate(){
for(int
i=0; i<Mdata.size();i++) {
getIsSelected().put(i,false);
} }
@Override public
View getView(int
position, View convertView, ViewGroup parent) {
ViewHolder holder = null;
if (convertView ==
null) {
// 获得ViewHolder对象
holder = new ViewHolder();
// 导入布局并赋值给convertview
convertView = inflater.inflate(R.layout.listview_style, null);
holder.tv1 = (TextView) convertView.findViewById(R.id.topTextView);
holder.tv2 = (TextView) convertView.findViewById(R.id.bottomTextView);
holder.cb = (CheckBox) convertView.findViewById(R.id.CheckBox01);
// 为view设置标签
convertView.setTag(holder);
} else
{
// 取出holder
holder = (ViewHolder) convertView.getTag();
}
// 设置list中TextView的显示
//holder.tv1.setText(); holder.tv1.setText(((Map)getItem(position)).get("foodName").toString());
holder.tv2.setText(((Map)getItem(position)).get("foodPrice").toString());
// 根据isSelected来设置checkbox的选中状况
holder.cb.setChecked(getIsSelected().get(position));
return convertView;
}
public
static HashMap<Integer, Boolean> getIsSelected() {
return isSelected;
}
public
static void
setIsSelected(HashMap<Integer, Boolean> isSelected) {
MenuListAdapter.isSelected = isSelected; }
} class
ViewHolder { TextView tv1;
TextView tv2;
CheckBox cb;
} |
android开发中 listview和checkbox结合
原文：http://blog.csdn.net/u014311022/article/details/42389181