AnGuoK 2018-01-18 09:00 采纳率: 20%
浏览 1603
已结题

adapter中包含checkbox,当选中数据后怎么得到选中的数据?

package com.app.FragmentAdapter;

import android.content.Context;

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

import com.addresslist.R;
import com.app.bean.ContactsBean;

;import java.util.ArrayList;
import java.util.List;

/**

  • Created by dell-1 on 2018/1/9. */

public class AddContactFromAddressAdapter extends BaseAdapter {
private List contacts;
private ArrayList contactsList=new ArrayList<>();

private ArrayList selectedList;
;
private LayoutInflater inflater;



public AddContactFromAddressAdapter(Context context, List<ContactsBean> contacts) {
    this.contacts = contacts;
    inflater = LayoutInflater.from(context);
    selectedList=new ArrayList();


}

@Override
public int getCount() {
    return contacts.size();
}

@Override
public Object getItem(int position) {
    return contacts.get(position);
}

@Override
public long getItemId(int position) {
    return position;
}

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

    if (convertView == null) {
        convertView = inflater.inflate(R.layout.contacts_cell, null);
        holder = new ViewHolder();
        holder.sort_key = convertView.findViewById(R.id.tv_sort_key);
        holder.mPhones = convertView.findViewById(R.id.tv_phones);
        holder.checkBoxSelected = convertView.findViewById(R.id.cb_selected);
        convertView.setTag(holder);

    } else {
        holder = (ViewHolder) convertView.getTag();
    }

    holder.sort_key.setText(contacts.get(position).getFirstLetterOfName());
    holder.mPhones.setText(contacts.get(position).getContactsName() + ":"
            + contacts.get(position).getPhoneNumber());
    if (contacts.get(position).getSelectedContact()) {
        holder.checkBoxSelected.setChecked(true);
    } else {
        holder.checkBoxSelected.setChecked(false);
    }
    holder.checkBoxSelected.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            if (contacts.get(position).getSelectedContact()) {
                contacts.get(position).setSelectedContact(false);
                selectedList.remove(contacts.get(position));

            } else {
                contacts.get(position).setSelectedContact(true);
                selectedList.add(contacts.get(position));


            }

        }
    });

    return convertView;
}

private final class ViewHolder {
    public TextView sort_key;
    public TextView mPhones;
    public CheckBox checkBoxSelected;
}

}

  • 写回答

3条回答 默认 最新

  • sinat_40613070 2018-01-18 09:39
    关注

    holder.checkBoxSelected.setOnClickListener(new View.OnClickListener() {
    @Override
    public void onClick(View v) {
    if (contacts.get(position).getSelectedContact()) {
    contacts.get(position).setSelectedContact(false);
    selectedList.remove(contacts.get(position));

            } else {
                contacts.get(position).setSelectedContact(true);
                selectedList.add(contacts.get(position));
    
    
            }
    
        }
    

    solution: 将点击事件中的view 强转成checkbox再获取显示的文本

    评论

报告相同问题?

悬赏问题

  • ¥20 关于#硬件工程#的问题,请各位专家解答!
  • ¥15 关于#matlab#的问题:期望的系统闭环传递函数为G(s)=wn^2/s^2+2¢wn+wn^2阻尼系数¢=0.707,使系统具有较小的超调量
  • ¥15 FLUENT如何实现在堆积颗粒的上表面加载高斯热源
  • ¥30 截图中的mathematics程序转换成matlab
  • ¥15 动力学代码报错,维度不匹配
  • ¥15 Power query添加列问题
  • ¥50 Kubernetes&Fission&Eleasticsearch
  • ¥15 報錯:Person is not mapped,如何解決?
  • ¥15 c++头文件不能识别CDialog
  • ¥15 Excel发现不可读取的内容