单选2

package com.x.d924_monthexam.adapter;


import java.util.ArrayList;


import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.TextView;


import com.example.d924_monthexam.MainActivity;
import com.example.d924_monthexam.R;
import com.x.d924_monthexam.bean.Exam;


public class MyAdapter extends BaseAdapter {


private MainActivity mainActivity;
private ArrayList<Exam> al;


public MyAdapter(MainActivity mainActivity, ArrayList<Exam> al) {
// TODO Auto-generated constructor stub
this.mainActivity=mainActivity;
this.al=al;
}


@Override
public int getCount() {
// TODO Auto-generated method stub
return al.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) {
View view = View.inflate(mainActivity, R.layout.show, null);
TextView tv = (TextView) view.findViewById(R.id.show_tv);
final CheckBox cb = (CheckBox) view.findViewById(R.id.show_cb);

tv.setText(al.get(position).getName());

cb.setChecked(al.get(position).isChecked());

cb.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
if (cb.isChecked()==true) {
al.get(position).setChecked(true);
}else{
al.get(position).setChecked(false);
}
}
});

return view;
}


}