shopcar
来源：互联网 发布：spss数据分析满意度 编辑：程序博客网 时间：2024/06/01 18:35
因为我们是本地购物车
所以先建立本地的bean类
public class ShopLiBean { public String sellerName; public List<DataBean> list; public ShopLiBean(String sellerName,List<DataBean> list){ this.sellerName=sellerName; this.list=list; } public static class DataBean{ public String producrName; public double price; public boolean isSelect; public int text_sum; public DataBean(String producrName,double price,boolean isSelect,int text_sum){ this.producrName=producrName; this.price=price; this.isSelect=isSelect; this.text_sum=text_sum; } }}Main中代码
package test.bwie.myapplication;import android.content.Context;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.support.v7.widget.LinearLayoutManager;import android.support.v7.widget.RecyclerView;import android.view.View;import android.widget.CheckBox;import android.widget.TextView;import java.text.DecimalFormat;import java.util.ArrayList;import java.util.List;import test.bwie.myapplication.bean.ShopLiBean;public class MainActivity extends AppCompatActivity implements View.OnClickListener { private RecyclerView recycle; private List<ShopLiBean> list; private CheckBox tv_quanxuan; private ShopAdapter shopAdapter; private double sumPrice; private int sumNum; private TextView tv_sum; private TextView sum; private DecimalFormat decimalFormat; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); initView(); inteDate(); decimalFormat = new DecimalFormat("#0.00"); recycle.setLayoutManager(new LinearLayoutManager(this)); shopAdapter = new ShopAdapter(this,list); recycle.setAdapter(shopAdapter); shopAdapter.setOnItemChickListener(new ShopAdapter.OnItemChickListener() { @Override public void shopinter(int a, int b) { if (list.get(a).list.get(b).isSelect){ sumPrice=sumPrice+(list.get(a).list.get(b).price)*(list.get(a).list.get(b).text_sum); sumNum=sumNum+list.get(a).list.get(b).text_sum; }else { sumPrice=sumPrice-(list.get(a).list.get(b).price)*(list.get(a).list.get(b).text_sum); sumNum= sumNum-list.get(a).list.get(b).text_sum; } tv_sum.setText(decimalFormat.format(sumPrice)); sum.setText("去结算(" + sumNum + ")"); isCheckAllCheck(); } }); } private void inteDate() { list=new ArrayList<>(); for (int i = 0; i <5 ; i++) { List<ShopLiBean.DataBean> dataBean=new ArrayList<>(); for (int j = 0; j <3 ; j++) { dataBean.add(new ShopLiBean.DataBean("商品"+j,10*(j+1),false,1)); } list.add(new ShopLiBean("商家"+i,dataBean)); } } private void isCheckAllCheck(){ boolean flag=true; for (ShopLiBean shopLiBean : list) { for (ShopLiBean.DataBean dataBean : shopLiBean.list) { if (!dataBean.isSelect){ flag=false; break; } } } tv_quanxuan.setChecked(flag); } private void initView() { recycle = (RecyclerView) findViewById(R.id.shopcar_recycle); tv_quanxuan = (CheckBox) findViewById(R.id.checkbox_quanxuan); tv_quanxuan.setOnClickListener(this); tv_sum = (TextView) findViewById(R.id.tv_sum); sum = (TextView) findViewById(R.id.jiesuan_button); } @Override public void onClick(View view) { selectall(); } private void selectall() { for (ShopLiBean shopLiBean : list) { for (ShopLiBean.DataBean dataBean : shopLiBean.list) { if (tv_quanxuan.isChecked()){ if (!dataBean.isSelect) { dataBean.isSelect = true; sumPrice=sumPrice+dataBean.price*dataBean.text_sum; sumNum=sumNum+dataBean.text_sum; } }else { if (dataBean.isSelect){ dataBean.isSelect=false; sumPrice=sumPrice-dataBean.price*dataBean.text_sum; sumNum=sumNum-dataBean.text_sum; } } } } shopAdapter.notifyDataSetChanged(); tv_sum.setText(decimalFormat.format(sumPrice)); sum.setText("去结算(" + sumNum + ")"); }}第一层adapter
package test.bwie.myapplication;import android.content.Context;import android.support.v7.widget.LinearLayoutManager;import android.support.v7.widget.RecyclerView;import android.view.View;import android.view.ViewGroup;import android.widget.CheckBox;import android.widget.TextView;import java.util.List;import test.bwie.myapplication.bean.ShopLiBean;/** * Created by 蒋六六 on 2017/10/25. */public class ShopAdapter extends RecyclerView.Adapter<ShopAdapter.ShopHolder> { private Context content; private List<ShopLiBean> list; private OnItemChickListener onItemChickListener; public void setOnItemChickListener(OnItemChickListener onItemChickListener) { this.onItemChickListener = onItemChickListener; } public ShopAdapter(Context context, List<ShopLiBean> list) { this.content=context; this.list=list; } @Override public ShopHolder onCreateViewHolder(ViewGroup parent, int viewType) { View in = View.inflate(content, R.layout.shapcar1_item, null); ShopHolder shop=new ShopHolder(in); return shop; } @Override public void onBindViewHolder(final ShopHolder holder, final int position) { final ShopLiBean shopLiBean = list.get(position); ischeckshop(holder,shopLiBean); holder.tv_shophome.setText(shopLiBean.sellerName); holder.shop_recycle.setLayoutManager(new LinearLayoutManager(content)); final ShopliAdapter shopliadapter=new ShopliAdapter(content,shopLiBean.list); holder.shop_recycle.setAdapter(shopliadapter); if (onItemChickListener!=null){ shopliadapter.setOnItemCheck(new ShopliAdapter.OnItemCheckListener() { @Override public void ok(int pos) { onItemChickListener.shopinter(holder.getLayoutPosition(),pos); ischeckshop(holder,shopLiBean); } }); holder.ck_shophome.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { for (ShopLiBean.DataBean dataBean : shopLiBean.list) { if (holder.ck_shophome.isChecked()){ dataBean.isSelect=true; }else { dataBean.isSelect=false; } } shopliadapter.notifyDataSetChanged(); } }); } } private void ischeckshop(ShopHolder holder, ShopLiBean shopLiBean) { boolean f=true; for (ShopLiBean.DataBean dataBean : shopLiBean.list) { if (!dataBean.isSelect){ f=false; break; } } holder.ck_shophome.setChecked(f); } @Override public int getItemCount() { return list.size(); } class ShopHolder extends RecyclerView.ViewHolder{ private CheckBox ck_shophome; private TextView tv_shophome; private RecyclerView shop_recycle; public ShopHolder(View itemView) { super(itemView); ck_shophome = itemView.findViewById(R.id.ck_shophome); shop_recycle= itemView.findViewById(R.id.shop_li_recy); tv_shophome = itemView.findViewById(R.id.ck_shophome); } } public interface OnItemChickListener { void shopinter(int a, int b); }}第二层adapter
package test.bwie.myapplication;import android.content.Context;import android.support.v7.widget.RecyclerView;import android.view.View;import android.view.ViewGroup;import android.widget.CheckBox;import android.widget.CompoundButton;import android.widget.TextView;import java.text.DecimalFormat;import java.util.List;import test.bwie.myapplication.bean.ShopLiBean;import test.bwie.myapplication.view.AddSubView;public class ShopliAdapter extends RecyclerView.Adapter<ShopliAdapter.AAAAA> { private List<ShopLiBean.DataBean> list; private Context context; public OnItemCheckListener onItemCheckListener; public void setOnItemCheck(OnItemCheckListener onItemCheckListener){ this.onItemCheckListener=onItemCheckListener; } public ShopliAdapter(Context content, List<ShopLiBean.DataBean> list) { this.list=list; this.context=content; } @Override public AAAAA onCreateViewHolder(ViewGroup parent, int viewType) { View inflate = View.inflate(context, R.layout.shopcar2_item, null); AAAAA adap=new AAAAA(inflate); return adap; } @Override public void onBindViewHolder(final AAAAA holder, final int position) { final ShopLiBean.DataBean dataBean = list.get(position); if (dataBean.isSelect){ holder.ck.setChecked(true); }else { holder.ck.setChecked(false); } holder.num.setNum(list.get(position).text_sum+""); holder.tv_title.setText(dataBean.producrName); DecimalFormat decima=new DecimalFormat("#0.00"); holder.tv.setText(decima.format(dataBean.price)); if(onItemCheckListener!=null){ holder.ck.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton compoundButton, boolean b) { dataBean.isSelect=b; onItemCheckListener.ok(holder.getLayoutPosition()); } }); } //自定义控件的赋值 holder.num.setAddSubClickListener(new AddSubView.AddSubClickListener() { @Override public void addClickListener(int n) { list.get(position).text_sum=n; } }); } @Override public int getItemCount() { return list.size(); } class AAAAA extends RecyclerView.ViewHolder{ private CheckBox ck; private TextView tv; private TextView tv_title; private AddSubView num; public AAAAA(View itemView) { super(itemView); tv_title = itemView.findViewById(R.id.tv_jianjie); ck = itemView.findViewById(R.id.ck_gt); tv = itemView.findViewById(R.id.tv_shop_price); num = itemView.findViewById(R.id.nnn); } } public interface OnItemCheckListener{ void ok(int pos); }}
//灰色背景边框
<?xml version="1.0" encoding="utf-8"?><shape xmlns:android="http://schemas.android.com/apk/res/android"android:shape="rectangle" > <solid android:color="#fff"></solid><stroke android:color="#666" android:width="1px"></stroke> <size android:width="10dp" android:height="10dp"></size></shape>//自定义加减号
package test.bwie.myapplication.view;import android.content.Context;import android.support.annotation.Nullable;import android.util.AttributeSet;import android.view.View;import android.widget.LinearLayout;import android.widget.TextView;import test.bwie.myapplication.R;public class AddSubView extends LinearLayout implements View.OnClickListener { private Context context; private TextView mTvSub; private TextView mTvNum; private TextView mTvAdd; private AddSubClickListener addSubClickListener; public AddSubView(Context context) { this(context, null); } public AddSubView(Context context, @Nullable AttributeSet attrs) { this(context, attrs, 0); } public AddSubView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); this.context = context; initView(); } private void initView() { View view = View.inflate(context, R.layout.add_sub_view_layout, this); mTvSub = (TextView) view.findViewById(R.id.tv_sub); mTvNum = (TextView) view.findViewById(R.id.tv_num); mTvAdd = (TextView) view.findViewById(R.id.tv_add); mTvSub.setOnClickListener(this); mTvAdd.setOnClickListener(this); } public void setAddSubClickListener(AddSubClickListener addSubClickListener) { this.addSubClickListener = addSubClickListener; } public void setNum(String num) { int i = Integer.parseInt(num); if (i > 9) { mTvAdd.setEnabled(false); } else if (i < 2) { mTvSub.setEnabled(false); } mTvNum.setText(num); } public String getNum() { return mTvNum.getText().toString(); } @Override public void onClick(View view) { if (addSubClickListener != null){ int num = Integer.parseInt(mTvNum.getText().toString()); switch (view.getId()){ case R.id.tv_add: num++; if (!mTvSub.isEnabled()) { mTvSub.setEnabled(true); } if (num > 9) { mTvAdd.setEnabled(false); } break; case R.id.tv_sub: num--; if (!mTvAdd.isEnabled()) { mTvAdd.setEnabled(true); } if (num < 2) { mTvSub.setEnabled(false); } break; } addSubClickListener.addClickListener(num); mTvNum.setText(Integer.toString(num)); } } public interface AddSubClickListener { void addClickListener(int num); }}//xmml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="center_vertical" android:orientation="horizontal"> <TextView android:id="@+id/tv_sub" android:layout_width="20dp" android:layout_height="20dp" android:gravity="center" android:background="@drawable/add_sub_view_bg" android:text="-" /> <TextView android:id="@+id/tv_num" android:layout_width="wrap_content" android:layout_height="20dp" android:layout_weight="1" android:inputType="number" android:gravity="center" android:background="@drawable/add_sub_view_bg" android:text="1" /> <TextView android:background="@drawable/add_sub_view_bg" android:id="@+id/tv_add" android:layout_width="20dp" android:gravity="center" android:layout_height="20dp" android:text="+" /> </LinearLayout>
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