全选总价新

package com.bw.view.adapter;

import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.TextView;
import com.bw.R;
import com.bw.model.bean.GwcBean;
import com.bw.model.zidingyi.JiaJianQi;
import com.facebook.drawee.view.SimpleDraweeView;

import java.util.List;

public class ShowAdapter extends RecyclerView.Adapter<ShowAdapter.ViewHolder> {

Context context;
GwcBean gwcBean;
CheckBox quanXuanCheck;
TextView zongjia;
private List<GwcBean.ResultBean> list;

public ShowAdapter(Context context, GwcBean gwcBean) {
    this.context = context;
    this.gwcBean = gwcBean;
}

@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
    View view = LayoutInflater.from(context).inflate(R.layout.gwc_buju, null);
    return new ViewHolder(view);
}

@Override
public void onBindViewHolder(@NonNull ViewHolder viewHolder, final int i) {
    list = gwcBean.getResult();
    viewHolder.gwc_name.setText(gwcBean.getResult().get(i).getCommodityName());
    viewHolder.gwc_price.setText(gwcBean.getResult().get(i).getPrice()+"");
    viewHolder.gwc_sim.setImageURI(gwcBean.getResult().get(i).getPic());
    viewHolder.gwc_checkBox.setChecked(gwcBean.getResult().get(i).isCheck());//获取checkBox
    viewHolder.gwc_jiajianqi.setShuLiang(gwcBean.getResult().get(i).getCount()+"");//先获取数量
    viewHolder.gwc_jiajianqi.getJieKouJJQ(new JiaJianQi.JieKouJJQ() {
        @Override
        public void shuju(int value) {
            gwcBean.getResult().get(i).setCount(value);

            ZongJiaFF();
            notifyDataSetChanged();
        }
    });
    //每个商品的选中状态
    viewHolder.gwc_checkBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
        @Override                                                        //商品的check
        public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
            list.get(i).setCheck(isChecked);//先设置
            boolean neicheckFF =  NeiCheckFF();
            quanXuanCheck.setChecked(neicheckFF);//改变

            ZongJiaFF();
        }
    });

}
//总价方法
private void ZongJiaFF() {
    int num = 0;

    for (int i = 0; i < list.size(); i++) {
        int pic = list.get(i).getPrice();
        int count = list.get(i).getCount();
        if (list.get(i).isCheck() == true){
            num += pic*count;
        }
    }
    zongjia.setText(num+"");
}

private boolean NeiCheckFF() {
    for (int i = 0; i < list.size(); i++) {
        boolean b = list.get(i).isCheck();//获取循环每个商品的状态
        if (!b){//如果不为真
            return false;
        }
    }
    return true;
}


@Override
public int getItemCount() {
    return gwcBean.getResult().size();
}
//fragment传过来的全选
public void setCheck(CheckBox gwcQuanxuan) {
    this.quanXuanCheck = gwcQuanxuan;
    quanXuanCheck.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            boolean checked = quanXuanCheck.isChecked();//获取全选状态
            WaiCheckFF(checked);//把状态给到全选的方法

            ZongJiaFF();
        }
    });
    notifyDataSetChanged();//记得刷新
}
//全选的方法
private void WaiCheckFF(boolean checked) {
    for (int i = 0; i < gwcBean.getResult().size(); i++) {
        list.get(i).setCheck(checked);//循环获取所有check状态,并用全选的按钮牛赋值
    }
    notifyDataSetChanged();//记得刷新
}

//fragment传过来的总价
public void setPrice(TextView gwcZongjia) {
    this.zongjia = gwcZongjia;
    notifyDataSetChanged();
}

public class ViewHolder extends RecyclerView.ViewHolder {

    private final CheckBox gwc_checkBox;
    private final SimpleDraweeView gwc_sim;
    private final TextView gwc_name;
    private final TextView gwc_price;
    private final JiaJianQi gwc_jiajianqi;

    public ViewHolder(@NonNull View itemView) {
        super(itemView);

        gwc_checkBox = itemView.findViewById(R.id.gwc_checkBox);
        gwc_sim = itemView.findViewById(R.id.gwc_sim);
        gwc_name = itemView.findViewById(R.id.gwc_name);
        gwc_price = itemView.findViewById(R.id.gwc_price);
        gwc_jiajianqi = itemView.findViewById(R.id.gwc_jiajianqi);
    }
}

}

标签：总价,gwc,get,list,全选,import,gwcBean,public
来源： https://blog.csdn.net/weixin_44660509/article/details/89878871