ListView全选删除CheckBox

ゞ浴缸里的玫瑰 2022-07-14 02:11 189阅读 0赞

adapter：

public class listAdapter_shop extends BaseAdapter  {
        private Context context;
        private List<ShopData> list;
        private onChecked checked;
    
        public void setChecked(onChecked checked) {
            this.checked = checked;
        }
    
        public listAdapter_shop(Context context, List list){
            this.context = context;
            this.list = list;
        }
        @Override
        public int getCount() {
            return list.size();
        }
    
        @Override
        public Object getItem(int position) {
            return list.get(position);
        }
    
        @Override
        public long getItemId(int position) {
            return position;
        }
    
        @Override
        public View getView(final int position, View convertView, ViewGroup parent) {
            //获得每个item
            final ShopData data_map = (ShopData) list.get(position);
            ViewHolder viewHolder = null;
            if (convertView == null){
                //实例化对象
                convertView = LayoutInflater.from(context).inflate(R.layout.shop_listview_item,null);
                viewHolder = new ViewHolder();
                viewHolder.title = (TextView) convertView.findViewById(R.id.shop_item_title);
                viewHolder.price = (TextView) convertView.findViewById(R.id.shop_item_price);
                viewHolder.classify = (TextView) convertView.findViewById(R.id.shop_item_classify);
                viewHolder.amount = (TextView) convertView.findViewById(R.id.shop_item_amount);
                viewHolder.checkBox = (CheckBox) convertView.findViewById(R.id.shop_item_checkbox);
                viewHolder.images = (ImageView) convertView.findViewById(R.id.shop_item_img);
                viewHolder.edit_btn = (Button) convertView.findViewById(R.id.shop_item_editamount);
                convertView.setTag(viewHolder);
            }else {
                viewHolder = (ViewHolder)convertView.getTag();
            }
            //设置控件内容
            viewHolder.title.setText(data_map.getmTitle());
            viewHolder.price.setText("¥"+data_map.getmPrice()+"");
            viewHolder.classify.setText(data_map.getmClassify());
            viewHolder.amount.setText(data_map.getmAmount()+" "+"吨");
            viewHolder.checkBox.setChecked(data_map.isChecke());
    //        viewHolder.images.setImageResource(0);
    
    //
                viewHolder.checkBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
                    @Override
                    public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
                        if (checked != null){
                            //回调方法传参数
                            data_map.setChecke(isChecked);
                            checked.CheckedChanged(position,isChecked);
                        }
                    }
                });
    
            viewHolder.edit_btn.setOnClickListener(new View.OnClickListener() {
                @Override
                public void onClick(View v) {
                   
                }
            });
            return convertView;
        }
    
    
        public class ViewHolder{
            TextView title;
            TextView price;
            TextView classify;
            TextView amount;
            CheckBox checkBox;
            ImageView images;
            Button edit_btn;
        }
    
        public static interface onChecked{
            //选择点击事件回调
            public void CheckedChanged(int position, boolean isChecked);
            //修改购买数量事件回调
            public void AmountChanged();
    
        }
    
        private int num = 0;
        private Button subtract,plus,cancel,sure;
        private EditText text;
        private AlertDialog.Builder builder;
        private AlertDialog dialog;
    
        
        
    }

实体类：

package com.example.cuboo.mlcircles.DataClass;
    
    /**
     * Created by cuboo on 2016/11/23.
     */
    
    public class ShopData {
        private String mTitle;
        private float mPrice;
        private String mClassify;
        private int mAmount;
        private boolean Checke;
    
        public void setChecke(boolean checke) {
            Checke = checke;
        }
    
        public boolean isChecke() {
            return Checke;
        }
    
        public ShopData(String mTitle, float  mPrice, String mClassify, int  mAmount){
            this.mTitle = mTitle;
            this.mPrice = mPrice;
            this.mClassify = mClassify;
            this.mAmount = mAmount;
        }
        public String getmTitle() {
            return mTitle;
        }
    
        public void setmTitle(String mTitle) {
            this.mTitle = mTitle;
        }
    
        public float  getmPrice() {
            return mPrice;
        }
    
        public void setmPrice(float  mPrice) {
            this.mPrice = mPrice;
        }
    
        public String getmClassify() {
            return mClassify;
        }
    
        public void setmClassify(String mClassify) {
            this.mClassify = mClassify;
        }
    
        public int  getmAmount() {
            return mAmount;
        }
    
        public void setmAmount(int  mAmount) {
            this.mAmount = mAmount;
        }
    }