Question

嗨在下面的代码中，我使用自定义适配器显示带有图像和复选框的名称。现在，我的问题是基于我想添加的朋友位置复选框。

我的布局是这样的：

带有复选框的图片好友名称

现在，我希望基于朋友位置我想要返回复选框添加到朋友或不。如果我选择用户名，则选择用户：user1这个被检查。然后我想返回用户名，检查位置为我我正在使用listview。

的java

private class FriendListAdapter extends BaseAdapter {       
    class ViewHolder {
        TextView text;
        ImageView icon;
        CheckBox check1;                                                
    }
    private LayoutInflater mInflater;
    private Bitmap mOnlineIcon;
    private Bitmap mOfflineIcon;            
    private FriendInfo[] friends = null;

    public FriendListAdapter(Context context) {
        super();                
        mInflater = LayoutInflater.from(context);    
        mOnlineIcon = BitmapFactory.decodeResource(context.getResources(), R.drawable.greenstar);
            mOfflineIcon = BitmapFactory.decodeResource(context.getResources(), R.drawable.redstar);

    }

    public void setFriendList(FriendInfo[] friends)
    {
        this.friends = friends;             
    }


    public int getCount() {         
        return friends.length;
    }


    public FriendInfo getItem(int position) {               
        return friends[position];
    }

    public long getItemId(int position) {    
        return 0;
    }

    public View getView(final int position, View convertView, ViewGroup parent) {               
        final ViewHolder holder;    

        if (convertView == null) 
        {
            convertView = mInflater.inflate(R.layout.grouplist, null);                      
            holder = new ViewHolder();
            holder.text = (TextView) convertView.findViewById(R.id.text);
            holder.icon = (ImageView) convertView.findViewById(R.id.icon);
            holder.check1 = (CheckBox) convertView.findViewById(R.id.checkBox1);                                    
            convertView.setTag(holder);                 
        } else {                    
            holder = (ViewHolder) convertView.getTag();
        }

        holder.text.setText(friends[position].userName);
        holder.icon.setImageBitmap(friends[position].status == STATUS.ONLINE ? mOnlineIcon : mOfflineIcon);
        holder.check1.setChecked(checkBoxState[position]);              
        holder.check1.setOnCheckedChangeListener(new OnCheckedChangeListener() {
            @Override
            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                checkBoxState[position] = isChecked;

            }    
        });                             
        return convertView;
    }    
}

Answer 1

您可以使用

 holder.check1.setTag(getItem(position));

为每一行设置一个标签，然后yoju可以使用

检查标签

 int position = (Integer) buttonView.getTag();

这将返回位置

Answer 2

 holder.text.setText(friends[position].userName);
    holder.icon.setImageBitmap(friends[position].status == STATUS.ONLINE ? mOnlineIcon : mOfflineIcon);
    holder.check1.setChecked(checkBoxState[position]); 
    holder.check1.setTag(position);     
    holder.check1.setOnCheckedChangeListener(new OnCheckedChangeListener() {
        @Override
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            int position = (Integer) buttonView.getTag();



            checkBoxState[position] = isChecked;

        }    
    });

如何在android中添加带复选框的朋友

2 个答案: