RT,我想用listview+Button,从网上找到了代码,但是不知道如何修改使到button有区别.
例如一些例子中 list.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> arg0, View arg1, int arg2,
long arg3) { }}
这样就可以有个位置的参数arg2来区别按钮,我可以把整个作为参数来传送区别不同按钮的功能;
但是当重写Adapter后,如何区别onClick事件呢?
谢谢,刚刚接触一知半解,麻烦了=,=
代码如下
package cn.LogDemo;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import android.util.Log;
import android.widget.BaseAdapter;
import android.view.LayoutInflater;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.*;
import android.widget.ListView;
import android.app.ListActivity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.widget.ImageView;
import android.content.Context;
import android.view.ViewGroup;
public class testlist extends ListActivity {
public ViewHolder holder = null;
private List<Map<String, Object>> mData;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mData = getData();
MyAdapter adapter = new MyAdapter(this);
setListAdapter(adapter);
}
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("title", "G1");
map.put("info", "google 1");
map.put("img", R.drawable.icon);
list.add(map);
map = new HashMap<String, Object>();
map.put("title", "G2");
map.put("info", "google 2");
map.put("img", R.drawable.icon);
list.add(map);
map = new HashMap<String, Object>();
map.put("title", "G3");
map.put("info", "google 3");
map.put("img", R.drawable.icon);
list.add(map);
return list;
}
// ListView 中某项被选中后的逻辑
@Override
protected void onListItemClick(ListView l, View v, int position, long id) {
Log.v("MyListView4-click", (String)mData.get(position).get("title"));
}
/**
* listview中点击按键弹出对话框
*/
public void showInfo(){
new AlertDialog.Builder(this)
.setTitle("我的listview")
.setMessage("介绍...")
.setPositiveButton("确定", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int which) {
}
})
.show();
}
public final class ViewHolder{
public ImageView img;
public TextView title;
public TextView info;
public Button viewBtn;
}
public class MyAdapter extends BaseAdapter{
private LayoutInflater mInflater;
public MyAdapter(Context context){
this.mInflater = LayoutInflater.from(context);
}
public int getCount() {
// TODO Auto-generated method stub
return mData.size();
}
public Object getItem(int arg0) {
// TODO Auto-generated method stub
return null;
}
public long getItemId(int arg0) {
// TODO Auto-generated method stub
return 0;
}
public View getView(int position, View convertView, ViewGroup parent) {
if (convertView == null) {
holder=new ViewHolder();