checkbox的全选、反选、删除(适配器)
package com.example.adapter;
import java.util.List;
import com.example.ay.R;
import com.example.vo.Flag;
import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.ImageView;
import android.widget.TextView;
public class LVadapter extends BaseAdapter {
int[] str = new int[] { R.drawable.a1, R.drawable.a2, R.drawable.a22,
R.drawable.a3, R.drawable.d3, R.drawable.h7, R.drawable.r,
R.drawable.r4, R.drawable.s3, R.drawable.tt, R.drawable.vv,
R.drawable.x1, R.drawable.y6 };
List<Flag> list;
public LVadapter(List<Flag> list, Context context) {
super();
this.list = list;
this.context = context;
}
Context context;
@Override
public int getCount() {
// TODO Auto-generated method stub
return list.size();
}
@Override
public Object getItem(int position) {
// TODO Auto-generated method stub
return null;
}
@Override
public long getItemId(int position) {
// TODO Auto-generated method stub
return 0;
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
convertView = convertView.inflate(context, R.layout.lv, null);
ImageView image = (ImageView) convertView.findViewById(R.id.image);
TextView name = (TextView) convertView.findViewById(R.id.name);
CheckBox check = (CheckBox) convertView.findViewById(R.id.check);
image.setImageResource(str[position]);
name.setText(list.get(position).getName());
check.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView,
boolean isChecked) {
list.get(position).setFlag(isChecked);
}
});
//记录当前复选框的操作
check.setChecked(list.get(position).isFlag());
return convertView;
}
}