设置按钮,在列表视图的Andr​​oid的onclick [英] set button onclick in listview android

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问题描述

我有这样的列表项列表视图。

我想设置按钮编辑和删除操作。

这是我的code。

listitem.xml

 <?XML版本=1.0编码=UTF-8&GT?;
<的RelativeLayout的xmlns:机器人=htt​​p://schemas.android.com/apk/res/android
    机器人:layout_width =match_parent
    机器人:layout_height =match_parent
    机器人:填充=5DP
    机器人:方向=垂直>   <的TextView
       机器人:ID =@ + ID / VARID
       机器人:layout_width =match_parent
       机器人:layout_height =WRAP_CONTENT
       机器人:知名度=水涨船高
       />   <的TextView
       机器人:ID =@ + ID / varNoNota
       机器人:layout_width =match_parent
       机器人:layout_height =WRAP_CONTENT
       机器人:TEXTSIZE =20dp
       机器人:文字样式=大胆
       机器人:填充=2DP
       />   <的TextView
       机器人:ID =@ + ID / varSenderName
       机器人:layout_width =match_parent
       机器人:layout_height =WRAP_CONTENT
       机器人:layout_below =@ + ID / varNoNota
       机器人:填充=2DP
       />   <的TextView
       机器人:ID =@ + ID / varTotalAmount
       机器人:layout_width =match_parent
       机器人:layout_height =WRAP_CONTENT
       机器人:layout_below =@ + ID / varSenderName
       机器人:填充=2DP
       />   <按钮
       机器人:ID =@ + ID / btnEdit
       机器人:layout_width =100dp
       机器人:layout_height =30dp
       机器人:layout_alignParentRight =真
       机器人:layout_alignParentTop =真
       机器人:背景=@色/黄绿色
       机器人:文字=@字符串/编辑
       />   <按钮
       机器人:ID =@ + ID / btnDelete
       机器人:layout_width =100dp
       机器人:layout_height =30dp
       机器人:layout_alignParentRight =真
       机器人:layout_alignBottom =@ + ID / varTotalAmount
       机器人:layout_alignRight =@ + ID / varTotalAmount
       机器人:背景=@色/红
       机器人:文字=@字符串/删除/>< / RelativeLayout的>

这是resigteritem.xml

 <?XML版本=1.0编码=UTF-8&GT?;
< LinearLayout中的xmlns:机器人=htt​​p://schemas.android.com/apk/res/android
    机器人:layout_width =match_parent
    机器人:layout_height =match_parent
    机器人:方向=垂直
    机器人:背景=@色/暗绿>    <的TextView
        机器人:layout_width =FILL_PARENT
        机器人:layout_height =WRAP_CONTENT
        机器人:比重=中心
        机器人:文字=@字符串/ registerItem
        机器人:TEXTSIZE =20SP/>    <的TextView
        机器人:layout_width =FILL_PARENT
        机器人:layout_height =WRAP_CONTENT
        机器人:填充=5dip
        机器人:文字=@字符串/从/>    <的EditText
        机器人:ID =@ + ID / dateFrom
        机器人:layout_width =match_parent
        机器人:layout_height =WRAP_CONTENT
        机器人:layout_marginLeft =25dp
        机器人:layout_marginRight =25dp/>    <的TextView
        机器人:layout_width =FILL_PARENT
        机器人:layout_height =WRAP_CONTENT        机器人:填充=5dip
        机器人:文字=@字符串/为/>    <的EditText
        机器人:ID =@ + ID / dateTo
        机器人:layout_width =match_parent
        机器人:layout_height =WRAP_CONTENT
        机器人:layout_marginLeft =25dp
        机器人:layout_marginRight =25dp/>    <按钮
        机器人:ID =@ + ID / btnSearchRegisterItem
        机器人:layout_width =FILL_PARENT
        机器人:layout_height =WRAP_CONTENT
        机器人:layout_marginTop =15dp
        机器人:背景=@色/黄绿色
        机器人:文字=@字符串/搜索/>    <的LinearLayout
        机器人:layout_width =FILL_PARENT
        机器人:layout_height =FILL_PARENT
        机器人:layout_marginTop =10dp
        机器人:背景=@色/深灰>        < ListView控件
            机器人:ID =@ + ID /列表
            机器人:layout_width =FILL_PARENT
            机器人:layout_height =FILL_PARENT
            机器人:layout_margin =5DP
            机器人:layout_below =@ + ID / btnSearchRegisterItem
        />
    < / LinearLayout中>< / LinearLayout中>

这是我的code。在文件的Java。

 公共类registerItem延伸活动{    私人上下文的背景下=这;    私人的EditText dateFrom;
    私人的EditText dateTo;
    私人日历C = Calendar.getInstance();
    私人INT天= c.get(Calendar.DAY_OF_MONTH);
    私人INT月= c.get(的Calendar.MONTH);
    私人INT年= c.get(Calendar.YEAR);
    私有静态字符串URL =HTTP:本地主机:8080 / exd​​ar / API / registerItem /表;
    私有静态最后弦乐RegisterItemList =registerItemList;
    私有静态最后弦乐NoNota =noNota;
    私有静态最后弦乐发送者姓名=SENDERNAME;
    私有静态最后弦乐总金额=总金额;
    私有静态最后弦乐ID =ID;
    私人布尔isFrom = FALSE;
    私人按钮btnSubmit按钮;
    私人按钮btnDelete;
    私人按钮btnEdit;
    ListView控件列表;
    私人静态字符串的内容;
    从私有静态字符串;
    私有静态字符串;    ArrayList的<&HashMap的LT;字符串,字符串>> oslist =新的ArrayList<&HashMap的LT;字符串,字符串>>();
    私人DatePickerDialog.OnDateSetListener dateSetListener =新OnDateSetListener(){        @覆盖
        公共无效onDateSet(查看的DatePicker,年整型,诠释monthOfYear,
                INT请将dayOfMonth){
            // TODO自动生成方法存根
            串finalDate =垫(请将dayOfMonth)+/+垫(mo​​nthOfYear + 1)的
                    +/+年;
            如果(isFrom){
                dateFrom.setText(finalDate);
            }其他{
                dateTo.setText(finalDate);
            }
        }        公共字符串垫(int数据){
            如果(数据小于10){
                返回0+数据;
            }其他{
                返回将String.valueOf(数据);
            }
        }
    };    @覆盖
    保护对话框onCreateDialog(INT ID){
        // TODO自动生成方法存根
        如果(ID == 1){
            返回新DatePickerDialog(背景下,dateSetListener,年,月,
                    天);
        }
        返回null;
    }    @覆盖
    保护无效的onCreate(捆绑savedInstanceState){
        // TODO自动生成方法存根
        super.onCreate(savedInstanceState);        的setContentView(R.layout.registeritem);        setupView函数();        名单=(ListView控件)findViewById(R.id.list);    }    私人无效setupView函数(){
        // TODO自动生成方法存根
        dateFrom =(EditText上)findViewById(R.id.dateFrom);
        dateTo =(EditText上)findViewById(R.id.dateTo);
        btnSubmit按钮=(按钮)findViewById(R.id.btnSearchRegisterItem);
        btnEdit =(按钮)findViewById(R.id.btnEdit);
        btnDelete =(按钮)findViewById(R.id.btnDelete);        btnSubmit.setOnClickListener(新OnClickListener(){            @覆盖
            公共无效的onClick(视图v){
                // TODO自动生成方法存根                oslist.clear();                的System.out.println(JSON解析之前......... !!!!);
                新JSONParse()执行();
                的System.out.println(JSON解析后......... !!!!);            }
        });        dateFrom.setOnClickListener(新OnClickListener(){            @覆盖
            公共无效的onClick(视图v){
                // TODO自动生成方法存根
                的ShowDialog(1);
                isFrom = TRUE;
            }
        });
        dateTo.setOnClickListener(新OnClickListener(){            @覆盖
            公共无效的onClick(视图v){
                // TODO自动生成方法存根
                的ShowDialog(1);
                isFrom = FALSE;
            }
        });    }    @覆盖
    公共布尔onCreateOptionsMenu(菜单菜单){
        // TODO自动生成方法存根
        。getMenuInflater()膨胀(R.menu.main,菜单);        返回true;
    }    私有类JSONParse扩展的AsyncTask<太虚,太虚,太虚> {
        私人ProgressDialog pDialog;
        @覆盖
        在preExecute保护无效(){
            // TODO自动生成方法存根
            super.on preExecute();            pDialog =新ProgressDialog(registerItem.this);
            pDialog.setMessage(获取列表项...);
            pDialog.setIndeterminate(假);
            pDialog.setCancelable(真);
            pDialog.show();            的System.out.println(关于preexecute目录注入);        }        @覆盖
        保护无效doInBackground(虚空...... PARAMS){
            的System.out.println(目录注入干什么背景);
            SimpleDateFormat的dateparse =新的SimpleDateFormat(DD / MM / YYYY);
            HttpUtils networkGet = HttpUtils.getInstance();
            的System.out.println(networkGet =+ networkGet);
            从= dateFrom.getText()的toString();
            的System.out.println(从=+从);
            为= dateTo.getText()的toString()。
            的System.out.println(为=+至);
            尝试{                尝试{
                        ArrayList的<&的NameValuePair GT;参数=新的ArrayList<&的NameValuePair GT;();
                        parameter.add(新BasicNameValuePair(来自,由));
                        parameter.add(新BasicNameValuePair(到,至));
                        内容= MyHttpURLConnection.postToHTTPJSON(URL,参数);
                    }
                    赶上(例外五){
                        System.out.print(E);
                    }
                //从URL内容获取JSON对象
                JSONObject的JSON =新的JSONObject(内容);
                JSONArray jsonArray = json.getJSONArray(RegisterItemList);
                的for(int i = 0; I< jsonArray.length();我++)
                {
                    的System.out.println(循环科=+ I);
                    JSONObject的C = jsonArray.getJSONObject(I)
                    的System.out.println(C =+ C);
                    //存放在变量JSON项目
                    字符串ID = c.getString(ID);
                    的System.out.println(ID+ ID);
                    字符串noNota = c.getString(NoNota);
                    的System.out.println(noNota =+ noNota);
                    字符串SENDERNAME = c.getString(发送者姓名);
                    的System.out.println(SENDERNAME =+ SENDERNAME);
                    字符串总金额= c.getString(总金额);
                    的System.out.println(总金额=+总金额);
                    //添加值的HashMap键=>值
                    HashMap的<字符串,字符串>地图=新的HashMap<字符串,字符串>();
                    map.put(ID,ID);
                    map.put(NoNota,noNota);
                    map.put(发送者姓名,发送者姓名);
                    map.put(总金额,总金额);
                    oslist.add(地图);
                    的System.out.println(oslist =+ oslist);                }
            }赶上(JSONException E){
                e.printStackTrace();
            }
            返回null;
        }        @覆盖
        保护无效onPostExecute(虚空结果){
            super.onPostExecute(结果);
            pDialog.dismiss();            list.setAdapter(新customadapter(oslist,getApplicationContext()));            list.setOnItemClickListener(新AdapterView.OnItemClickListener(){
                @覆盖
                公共无效onItemClick(适配器视图<>母公司,观景,
                        INT位置,长的id){
                    Toast.makeText(
                            registerItem.this,
                            你点击了
                                    + oslist.get(+位置)获得(NoNota)
                            Toast.LENGTH_SHORT).show();
                }
            });
        }
    }
}

我尝试添加此code,看看我的code运行与正确则举杯将是展示,但我得到的错误;

我得到这个错误

我想创建一个baseadapter ..

 包com.example.test;进口的java.util.ArrayList;
进口的java.util.HashMap;
进口java.util.LinkedHashMap中;
进口的java.util.List;
进口的java.util.Map;进口android.content.Context;
进口android.view.LayoutInflater;
进口android.view.View;
进口android.view.View.OnClickListener;
进口android.view.ViewGroup;
进口android.widget.BaseAdapter;
进口android.widget.Button;
进口android.widget.TextView;
进口android.widget.Toast;公共类customadapter延伸BaseAdapter {    ArrayList的<&HashMap的LT;字符串,字符串>> oslist;
    上下文语境;
    私人按钮btnDelete;
    私人按钮btnEdit;    公共customadapter(ArrayList的<&HashMap的LT;字符串,字符串>> oslist,上下文的背景下){
        上下文语境=;
        oslist = oslist;
        this.oslist = oslist;    }    @覆盖
    公众诠释的getCount(){
        // TODO自动生成方法存根
        的System.out.println(oslist.size()=+ oslist.size());
        返回oslist.size();
    }    @覆盖
    公共Map.Entry的<字符串,字符串>的getItem(INT位置){
        // TODO自动生成方法存根
        返回(Map.Entry的)oslist.get(位置);
    }    @覆盖
    众长getItemId(INT位置){
        // TODO自动生成方法存根
        返回0;
    }    @覆盖
    公共查看getView(INT位置,查看convertView,父母的ViewGroup){        LayoutInflater LIF =(LayoutInflater)context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        convertView = lif.inflate(R.layout.listitem,NULL);        TextView的txt_Name =(TextView中)convertView.findViewById(R.id.varId);
        按钮btnEdit =(按钮)convertView.findViewById(R.id.btnEdit);        btnEdit.setOnClickListener(新OnClickListener(){            @覆盖
            公共无效的onClick(视图v){
                的System.out.println(myButton的列表视图中已经作品!);
                 //在这里进行你想要的操作
            }        });        返回convertView;
    }}


解决方案

尝试使用BaseAdapter而是ListAdapter它会更容易

下面我给样品code你可以在code实现这样的,

 公共类BaseAdapContact延伸BaseAdapter {清单<串GT; liName;
上下文CON;公共BaseAdapContact(列表<串GT; liName,上下文CON){
    this.liName = liName;
    this.con = CON;
}@覆盖
公众诠释的getCount(){// TODO自动生成方法存根
    返回liName.size();
}@覆盖
公共对象的getItem(INT位置){    返回null;
}@覆盖
众长getItemId(INT位置){    返回0;
}@覆盖
公共查看getView(INT位置,查看convertView,父母的ViewGroup){
    LayoutInflater LIF =(LayoutInflater)CON
            .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    convertView = lif.inflate(R.layout.list_view,NULL);    TextView的txt_Name =(TextView中)convertView.findViewById(R.id.txtName);
    按钮btn_Call =(按钮)convertView.findViewById(R.id.btnCall);    txt_Name.setText(liName.get(位置));    btn_Call.setOnClickListener(新OnClickListener(){        @覆盖
        公共无效的onClick(视图v){             //在这里进行你想要的操作
        }    });    返回convertView;
}}

i have a listView with list item like this.

i want to set an action at button "Edit" and "Delete".

this is my code.

listitem.xml

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout  xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="5dp"
    android:orientation="vertical" >

   <TextView 
       android:id="@+id/varId"
       android:layout_width="match_parent"
       android:layout_height="wrap_content"  
       android:visibility="gone"    
       />

   <TextView
       android:id="@+id/varNoNota"
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       android:textSize="20dp"
       android:textStyle="bold"
       android:padding="2dp"
       />

   <TextView
       android:id="@+id/varSenderName"
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       android:layout_below="@+id/varNoNota"
       android:padding="2dp"
       />

   <TextView
       android:id="@+id/varTotalAmount"
       android:layout_width="match_parent"
       android:layout_height="wrap_content"
       android:layout_below="@+id/varSenderName"
       android:padding="2dp"
       />    

   <Button
       android:id="@+id/btnEdit"
       android:layout_width="100dp"
       android:layout_height="30dp"
       android:layout_alignParentRight="true"
       android:layout_alignParentTop="true"
       android:background="@color/YellowGreen"
       android:text="@string/Edit"
       />

   <Button
       android:id="@+id/btnDelete"
       android:layout_width="100dp"
       android:layout_height="30dp"       
       android:layout_alignParentRight="true"
       android:layout_alignBottom="@+id/varTotalAmount"
       android:layout_alignRight="@+id/varTotalAmount"
       android:background="@color/Red"
       android:text="@string/Delete" />

</RelativeLayout >

this is resigteritem.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical" 
    android:background="@color/LimeGreen">

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:gravity="center"
        android:text="@string/registerItem"
        android:textSize="20sp" />

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"       
        android:padding="5dip"
        android:text="@string/from" />

    <EditText
        android:id="@+id/dateFrom"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="25dp"
        android:layout_marginRight="25dp" />

    <TextView
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"

        android:padding="5dip"
        android:text="@string/to" />

    <EditText
        android:id="@+id/dateTo"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginLeft="25dp"
        android:layout_marginRight="25dp" />

    <Button
        android:id="@+id/btnSearchRegisterItem"
        android:layout_width="fill_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="15dp"
        android:background="@color/YellowGreen"
        android:text="@string/search" />

    <LinearLayout 
        android:layout_width="fill_parent"
        android:layout_height="fill_parent"
        android:layout_marginTop="10dp"
        android:background="@color/DarkGray">

        <ListView
            android:id="@+id/list"
            android:layout_width="fill_parent"          
            android:layout_height="fill_parent"    
            android:layout_margin="5dp"    
            android:layout_below="@+id/btnSearchRegisterItem"
        />
    </LinearLayout>  

</LinearLayout>

this is my code at file java.

public class registerItem extends Activity {

    private Context context = this;

    private EditText dateFrom;
    private EditText dateTo;
    private Calendar c = Calendar.getInstance();
    private int day = c.get(Calendar.DAY_OF_MONTH);
    private int month = c.get(Calendar.MONTH);
    private int year = c.get(Calendar.YEAR);
    private static String url = "http:localhost:8080/exdar/api/registerItem/list";
    private static final String RegisterItemList = "registerItemList";
    private static final String NoNota = "noNota";
    private static final String SenderName = "senderName";
    private static final String TotalAmount = "totalAmount";
    private static final String ID = "id";
    private boolean isFrom = false;
    private Button btnSubmit;
    private Button btnDelete;
    private Button btnEdit;
    ListView list;
    private static String content ;
    private static String from;
    private static String to;

    ArrayList<HashMap<String, String>> oslist = new ArrayList<HashMap<String, String>>();


    private DatePickerDialog.OnDateSetListener dateSetListener = new OnDateSetListener() {

        @Override
        public void onDateSet(DatePicker view, int year, int monthOfYear,
                int dayOfMonth) {
            // TODO Auto-generated method stub
            String finalDate = pad(dayOfMonth) + "/" + pad(monthOfYear + 1)
                    + "/" + year;
            if (isFrom) {
                dateFrom.setText(finalDate);
            } else {
                dateTo.setText(finalDate);
            }
        }

        public String pad(int data) {
            if (data < 10) {
                return "0" + data;
            } else {
                return String.valueOf(data);
            }
        }
    };

    @Override
    protected Dialog onCreateDialog(int id) {
        // TODO Auto-generated method stub
        if (id == 1) {
            return new DatePickerDialog(context, dateSetListener, year, month,
                    day);
        }
        return null;
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        // TODO Auto-generated method stub
        super.onCreate(savedInstanceState);

        setContentView(R.layout.registeritem);

        setUpView();

        list = (ListView) findViewById(R.id.list);

    }

    private void setUpView() {
        // TODO Auto-generated method stub
        dateFrom = (EditText) findViewById(R.id.dateFrom);
        dateTo = (EditText) findViewById(R.id.dateTo);
        btnSubmit = (Button) findViewById(R.id.btnSearchRegisterItem);
        btnEdit = (Button) findViewById(R.id.btnEdit);
        btnDelete = (Button) findViewById(R.id.btnDelete);

        btnSubmit.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub

                oslist.clear();

                System.out.println("before JSON parse .........!!!!");
                new JSONParse().execute();
                System.out.println("after JSON parse .........!!!!");

            }
        });



        dateFrom.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                showDialog(1);
                isFrom = true;
            }
        });
        dateTo.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                // TODO Auto-generated method stub
                showDialog(1);
                isFrom = false;
            }
        });

    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        // TODO Auto-generated method stub
        getMenuInflater().inflate(R.menu.main, menu);

        return true;
    }

    private class JSONParse extends AsyncTask<Void, Void, Void>{
        private ProgressDialog pDialog;
        @Override
        protected void onPreExecute() {
            // TODO Auto-generated method stub
            super.onPreExecute();

            pDialog = new ProgressDialog(registerItem.this);
            pDialog.setMessage("Getting List Item ...");
            pDialog.setIndeterminate(false);
            pDialog.setCancelable(true);
            pDialog.show();

            System.out.println("masuk on preexecute");

        }

        @Override
        protected Void doInBackground(Void... params) {
            System.out.println("masuk doin background");
            SimpleDateFormat dateparse = new SimpleDateFormat("dd/MM/yyyy");
            HttpUtils networkGet = HttpUtils.getInstance();
            System.out.println("networkGet = "+networkGet);
            from = dateFrom.getText().toString();       
            System.out.println("from = "+from);
            to = dateTo.getText().toString();
            System.out.println("to = "+to);




            try {

                try{                        
                        ArrayList<NameValuePair> parameter = new ArrayList<NameValuePair>();
                        parameter.add(new BasicNameValuePair("from", from));
                        parameter.add(new BasicNameValuePair("to", to));
                        content = MyHttpURLConnection.postToHTTPJSON(url,parameter);
                    }
                    catch(Exception e){
                        System.out.print(e);
                    }
                // Getting JSON Object from URL Content
                JSONObject json = new JSONObject(content);              
                JSONArray jsonArray = json.getJSONArray(RegisterItemList);
                for (int i = 0; i < jsonArray.length(); i++) 
                {
                    System.out.println("looping ke = "+i);
                    JSONObject c = jsonArray.getJSONObject(i);
                    System.out.println("c = "+c);
                    // Storing JSON item in a Variable
                    String id = c.getString(ID);
                    System.out.println("id "+id);
                    String noNota = c.getString(NoNota);
                    System.out.println("noNota = "+noNota);
                    String senderName = c.getString(SenderName);
                    System.out.println("senderName = "+senderName);
                    String totalAmount = c.getString(TotalAmount);
                    System.out.println("totalAmount = "+totalAmount);
                    // Adding value HashMap key => value
                    HashMap<String, String> map = new HashMap<String, String>();
                    map.put(ID,id);
                    map.put(NoNota, noNota);
                    map.put(SenderName, senderName);
                    map.put(TotalAmount, totalAmount);
                    oslist.add(map);
                    System.out.println("oslist = "+oslist);

                }
            } catch (JSONException e) {
                e.printStackTrace();
            }
            return null;
        }

        @Override
        protected void onPostExecute(Void result) {
            super.onPostExecute(result);
            pDialog.dismiss();

            list.setAdapter(new customadapter(oslist,getApplicationContext()));

            list.setOnItemClickListener(new AdapterView.OnItemClickListener() {
                @Override
                public void onItemClick(AdapterView<?> parent, View view,
                        int position, long id) {
                    Toast.makeText(
                            registerItem.this,
                            "You Clicked at "
                                    + oslist.get(+position).get(NoNota),
                            Toast.LENGTH_SHORT).show();
                }
            });
        }       
    }       
}

i tried add this code to see if my code run with correctly then the toast will be show but i got error;

i got this error

i am trying to create a baseadapter..

package com.example.test;

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

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

public class customadapter extends BaseAdapter{ 

    ArrayList<HashMap<String, String>> oslist;
    Context context;
    private Button btnDelete;
    private Button btnEdit;

    public customadapter(ArrayList<HashMap<String, String>> oslist, Context context) {      
        context = context;
        oslist = oslist;
        this.oslist = oslist;

    }

    @Override
    public int getCount() {
        // TODO Auto-generated method stub
        System.out.println("oslist.size() = "+oslist.size());
        return oslist.size();
    }

    @Override
    public Map.Entry<String, String> getItem(int position) {
        // TODO Auto-generated method stub
        return (Map.Entry) oslist.get(position);
    }

    @Override
    public long getItemId(int position) {
        // TODO Auto-generated method stub
        return 0;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {

        LayoutInflater lif = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        convertView = lif.inflate(R.layout.listitem, null);

        TextView txt_Name = (TextView) convertView.findViewById(R.id.varId);
        Button btnEdit = (Button) convertView.findViewById(R.id.btnEdit);

        btnEdit.setOnClickListener(new OnClickListener() {

            @Override
            public void onClick(View v) {
                System.out.println("mybutton in listview already works!!");
                 //Here perform the action you want             
            }

        });

        return convertView;
    }

}

解决方案

Try to use BaseAdapter Instead of ListAdapter it will be easier

Here i'm giving sample code you can implement like this in your code,

public class BaseAdapContact extends BaseAdapter {

List<String> liName;
Context con;

public BaseAdapContact(List<String> liName, Context con) {
    this.liName = liName;
    this.con = con;
}

@Override
public int getCount() { // TODO Auto-generated method stub
    return liName.size();
}

@Override 
public Object getItem(int position) { 

    return null; 
}

@Override 
public long getItemId(int position) { 

    return 0; 
}

@Override
public View getView(int position, View convertView, ViewGroup parent) {
    LayoutInflater lif = (LayoutInflater) con
            .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    convertView = lif.inflate(R.layout.list_view, null);

    TextView txt_Name = (TextView) convertView.findViewById(R.id.txtName);
    Button btn_Call = (Button) convertView.findViewById(R.id.btnCall);

    txt_Name.setText(liName.get(position));

    btn_Call.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {

             //Here perform the action you want             
        }

    });

    return convertView;
}

}

这篇关于设置按钮,在列表视图的Andr​​oid的onclick的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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