ShouYeActivity

package bawei.com.demo2.v;

import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.LinearLayout;
import android.widget.TextView;

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

import bawei.com.demo2.R;
import bawei.com.demo2.adapter.myAdapter;
import bawei.com.demo2.bena.Product;
import bawei.com.demo2.contar.contarIntface;
import bawei.com.demo2.p.Mypsersenter;
/**

• @Auther: 作者：张东升

• @Date: 2019/4/4 11:14:41

• @Description:
  */
  public class ShouyeActivity extends Fragment implements contarIntface.vIntface {

   myAdapter adapter;
   RecyclerView recyclerView;
   public List<Product.DataBean> mList = new ArrayList<>();
   contarIntface.Pintface pintface;
   public CheckBox mCheckBox;
   TextView textView;
  

  @Nullable
  @Override
  public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
  View view = inflater.inflate(R.layout.activity_shouye,container,false);
  recyclerView = view.findViewById(R.id.RecyclerView_1_id);
  textView = view.findViewById(R.id.title_sum);
  mCheckBox =view.findViewById(R.id.chec_id);
  return view;
  }
  @Override
  public void onActivityCreated(@Nullable Bundle savedInstanceState) {
  super.onActivityCreated(savedInstanceState);
  pintface = new Mypsersenter(this);
  LinearLayoutManager layoutManager = new LinearLayoutManager(getActivity());
  layoutManager.setOrientation(LinearLayoutManager.VERTICAL);
  recyclerView.setLayoutManager(layoutManager);
  adapter = new myAdapter(getActivity(),mList);
  recyclerView.setAdapter(adapter);
  pintface.toModel();
  init();
  }
  public void init(){
  mCheckBox.setOnClickListener(new View.OnClickListener() {
  @Override
  public void onClick(View view) {

       if(mCheckBox.isChecked()){
           setChecAll(true);
       }else {
           setChecAll(false);
           textView.setText(0 + "");
       }
       adapter.notifyDataSetChanged();
   }
  

  });
  }
  //全选中和全不选中的方法
  public void setChecAll(boolean isChec){
  for(int i = 0 ; i < mList.size() ; i++){
  mList.get(i).isSelect = isChec;
  //孩子集合
  for(int j = 0 ; j < mList.get(i).getList().size() ; j++){
  mList.get(i).getList().get(j).itemSelect = isChec;
  }
  }
  total();
  adapter.notifyDataSetChanged();
  }

  //商家选中，或者不选中

  /**
  *

  • @param i 商家的下标

  • @param tag 商家中孩子的下标，默认值位-1

  • @param isChec 是否为选中状态
    */
    int value = 0;
    public void setSjChecAll(int i ,int tag , boolean isChec){

    //商家的选中状态
    mList.get(i).isSelect = isChec;
    //商家中孩子的选中状态
    if(tag != -1){
    value = 0;
    mList.get(i).getList().get(tag).itemSelect = false;
    value = (int) mList.get(i).getList().get(tag).getPrice();
    }else {
    value = 0;
    for(int j = 0 ; j < mList.get(i).getList().size() ; j++){
    mList.get(i).getList().get(j).itemSelect = isChec;
    value += (int)mList.get(i).getList().get(j).getPrice();
    }

    }

    total();
    adapter.notifyDataSetChanged();
    }

  //单独点商家下的孩子
  //选中的商家下的孩子的状态 Product.DataBean.ListBean listBean
  public int setSjChildChec(boolean isChec , Object o){
  Product.DataBean.ListBean listBean = (Product.DataBean.ListBean) o;
  int n = 0;
  for(int i = 0 ; i < mList.size() ;i ++ ){
  for(int j = 0 ; j < mList.get(i).getList().size() ; j ++){
  Product.DataBean.ListBean listBean_1 = mList.get(i).getList().get(j);
  if(listBean_1 .equals(listBean)){
  listBean_1.itemSelect = isChec;
  n = i;
  }
  }
  }
  adapter.notifyDataSetChanged();
  total();
  return n;
  }
  //选中的商家下的孩子的状态来获取到商家的集合下标
  public int getValue (boolean isChec , Object o){
  Product.DataBean.ListBean listBean = (Product.DataBean.ListBean) o;
  int n = 0;
  for(int i = 0 ; i < mList.size() ;i ++ ){
  for(int j = 0 ; j < mList.get(i).getList().size() ; j ++){
  Product.DataBean.ListBean listBean_1 = mList.get(i).getList().get(j);
  if(listBean_1 .equals(listBean)){
  listBean_1.itemSelect = isChec;
  n = i;
  }
  }
  }
  return n;
  }
  //计算总价
  public void total(){
  int sum_pic = 0;
  for (int i = 0; i <mList.size() ; i++) {
  for (int j = 0; j < mList.get(i).getList().size(); j++) {
  if(mList.get(i).getList().get(j).itemSelect){
  int pic = (int) mList.get(i).getList().get(j).getPrice();
  int sum = mList.get(i).getList().get(j).ssum;
  Log.e(“tag” ,"sum == " + sum + " jj = "+ j);
  int to = pic * sum;
  sum_pic += to;
  }
  }
  }
  textView.setText(sum_pic + “”);
  }
  @Override
  public void showView(Object o) {
  Product product = (Product) o;
  List<Product.DataBean> list = product.getData();
  mList.addAll(list);
  adapter.notifyDataSetChanged();
  }
  }

标签：get,int,getList,ShouYeActivity,mList,import,android
来源： https://blog.csdn.net/qq_44338271/article/details/89064935