1.mainactivity里面的
package com.example.lianxi1; 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.ImageView; import android.widget.TextView; import android.widget.Toast; import com.example.lianxi1.adapter.Myadapter; import com.example.lianxi1.bean.Bean; import com.example.lianxi1.mvp.IPresenter; import com.example.lianxi1.mvp.IView; import java.util.ArrayList; import java.util.List; public class MainActivity extends AppCompatActivity implements IView.View { private RecyclerView recyclerview1; private IPresenter presenter; private ImageView check_all; private boolean check = false; private TextView text_sum; private List<Bean.DataBean> list=new ArrayList<>(); private Myadapter adapter; private double total=0; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); recyclerview1 = findViewById(R.id.recyclerview1); presenter = new IPresenter(); presenter.attData(this); check_all = findViewById(R.id.check_all); text_sum = findViewById(R.id.sum); presenter.infoData("http://www.zhaoapi.cn/product/getCarts?uid=71"); LinearLayoutManager layoutManager=new LinearLayoutManager(this); layoutManager.setOrientation(LinearLayoutManager.VERTICAL); recyclerview1.setLayoutManager(layoutManager); check_all.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (check){ total=0; check_all.setImageResource(R.drawable.check_no); check=false; //商家的集合 for (int i = 0; i < list.size(); i++) { //商品的集合 List<Bean.DataBean.ListBean> list1 = MainActivity.this.list.get(i).getList(); for (int j = 0; j < list1.size(); j++) { list1.get(j).setCheck(false); } } text_sum.setText("合计:￥"+total); }else { total=0; //商家的集合 for (int i = 0; i < list.size(); i++) { //商品的集合 List<Bean.DataBean.ListBean> list1 = MainActivity.this.list.get(i).getList(); for (int j = 0; j < list1.size(); j++) { list1.get(j).setCheck(true); total= total +list1.get(j).getPrice(); } } check_all.setImageResource(R.drawable.check_yes); check=true; text_sum.setText("合计:￥"+total); } adapter.notifyDataSetChanged(); } }); } @Override public void showData(final List<Bean.DataBean> msg) { runOnUiThread(new Runnable() { @Override public void run() { list= msg; adapter = new Myadapter(msg, MainActivity.this); recyclerview1.setAdapter(adapter); selectShop(); } }); } private void selectShop() { adapter.setListener(new Myadapter.ItemClickListener() { @Override public void onItemClick(List<Bean.DataBean> list) { total=0; int num=0; int numi=0; for (int i = 0; i < list.size(); i++) { //商品的集合 List<Bean.DataBean.ListBean> list1 = MainActivity.this.list.get(i).getList(); for (int j = 0; j < list1.size(); j++) { num++; if (list1.get(j).isCheck()){ total= total+list1.get(j).getPrice(); numi++; } } } text_sum.setText("合计:￥"+total); adapter.notifyDataSetChanged(); if (num!=numi){ check_all.setImageResource(R.drawable.check_no); check=true; }else { check_all.setImageResource(R.drawable.check_yes); check=false; } } }); } @Override protected void onDestroy() { super.onDestroy(); presenter.deleteData(this); } }2.view
package com.example.lianxi1.mvp; import com.example.lianxi1.bean.Bean; import java.util.List; public interface IView { interface View{ void showData(List<Bean.DataBean> msg); } interface Presenter<Iview>{ void attData(Iview iview); void deleteData(Iview iview); void infoData(String url); } interface Model{ interface oncallback{ void stringmsg(List<Bean.DataBean> msg); } void requestData(String url,oncallback oncallback); } }3.presenter
package com.example.lianxi1.mvp; import com.example.lianxi1.bean.Bean; import java.lang.ref.WeakReference; import java.util.List; public class IPresenter implements IView.Presenter<IView.View>{ IView.View view; IModel model; private WeakReference vweakReference; private WeakReference mweakReference; @Override public void attData(IView.View view) { this.view=view; model=new IModel(); vweakReference = new WeakReference(view); mweakReference = new WeakReference(model); } @Override public void deleteData(IView.View view) { vweakReference.clear(); mweakReference.clear(); } @Override public void infoData(String url) { model.requestData(url, new IView.Model.oncallback() { @Override public void stringmsg(List<Bean.DataBean> msg) { view.showData(msg); } }); } }4.model
package com.example.lianxi1.mvp; import com.example.lianxi1.bean.Bean; import com.example.lianxi1.ui.OkHttpUtlis; import com.google.gson.Gson; import java.io.IOException; import java.util.List; import okhttp3.Call; import okhttp3.Callback; import okhttp3.Response; public class IModel implements IView.Model{ @Override public void requestData(String url, final oncallback oncallback) { OkHttpUtlis.getinstan().get(url, new Callback() { @Override public void onFailure(Call call, IOException e) { } @Override public void onResponse(Call call, Response response) throws IOException { Gson gson=new Gson(); Bean bean = gson.fromJson(response.body().string(), Bean.class); List<Bean.DataBean> list = bean.getData(); oncallback.stringmsg(list); } }); } }5.adapter
package com.example.lianxi1.adapter; import android.content.Context; import android.support.annotation.NonNull; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; import android.support.v7.widget.StaggeredGridLayoutManager; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.TextView; import com.example.lianxi1.R; import com.example.lianxi1.bean.Bean; import java.util.List; public class Myadapter extends RecyclerView.Adapter<Myadapter.ViewHodel> { private List<Bean.DataBean> list; private Context context; private Myadapter1 myadapter1; public Myadapter(List<Bean.DataBean> list, Context context) { this.list = list; this.context = context; } @NonNull @Override public Myadapter.ViewHodel onCreateViewHolder(@NonNull ViewGroup parent, int viewType) { View inflate = LayoutInflater.from(context).inflate(R.layout.itm, parent, false); ViewHodel hodel=new ViewHodel(inflate); return hodel; } @Override public void onBindViewHolder(@NonNull Myadapter.ViewHodel holder, int position) { holder.text_name1.setText(list.get(position).getSellerName()); StaggeredGridLayoutManager layoutManager=new StaggeredGridLayoutManager(1,StaggeredGridLayoutManager.VERTICAL); holder.recyclerview2.setLayoutManager(layoutManager); this.myadapter1 = new Myadapter1(list.get(position).getList(), context); Myadapter1 myadapter1= this.myadapter1; holder.recyclerview2.setAdapter(myadapter1); myadapter1.setListener(new Myadapter1.ItemClickListener() { @Override public void onItemClick() { listener.onItemClick(list); } }); } @Override public int getItemCount() { return list.size(); } class ViewHodel extends RecyclerView.ViewHolder{ private RecyclerView recyclerview2; private TextView text_name1; public ViewHodel(View itemView) { super(itemView); text_name1 = itemView.findViewById(R.id.text_name1); recyclerview2 = itemView.findViewById(R.id.recyclerview2); } } private ItemClickListener listener; public void setListener(ItemClickListener listener) { this.listener = listener; } public interface ItemClickListener{ void onItemClick(List<Bean.DataBean> list); } }6.adapter1
package com.example.lianxi1.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.ImageView; import android.widget.TextView; import com.bumptech.glide.Glide; import com.example.lianxi1.R; import com.example.lianxi1.bean.Bean; import com.squareup.picasso.Picasso; import java.util.List; public class Myadapter1 extends RecyclerView.Adapter<Myadapter1.ViewHodel> { private List<Bean.DataBean.ListBean> list; private Context context; public Myadapter1(List<Bean.DataBean.ListBean> list, Context context) { this.list = list; this.context = context; } @NonNull @Override public Myadapter1.ViewHodel onCreateViewHolder(@NonNull ViewGroup parent, int viewType) { View inflate = LayoutInflater.from(context).inflate(R.layout.itm2, parent, false); ViewHodel viewHodel=new ViewHodel(inflate); return viewHodel; } @Override public void onBindViewHolder(@NonNull final Myadapter1.ViewHodel holder, final int position) { holder.text_name2.setText(list.get(position).getTitle()); holder.text_name3.setText(list.get(position).getPrice()+""); String images = list.get(position).getImages(); String[] split = images.split("\\|"); Picasso.with(context).load(split[0]).into(holder.ima_name); if (list.get(position).isCheck()){ holder.img_check.setImageResource(R.drawable.check_yes); }else { holder.img_check.setImageResource(R.drawable.check_no); } holder.img_check.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { if (list.get(position).isCheck()){ list.get(position).setCheck(false); //holder.img_check.setImageResource(R.drawable.check_no); }else { list.get(position).setCheck(true); //holder.img_check.setImageResource(R.drawable.check_yes); } listener.onItemClick(); notifyDataSetChanged(); } }); } @Override public int getItemCount() { return list.size(); } class ViewHodel extends RecyclerView.ViewHolder{ private ImageView img_check; private ImageView ima_name; private TextView text_name2; private TextView text_name3; public ViewHodel(View itemView) { super(itemView); ima_name = itemView.findViewById(R.id.ima_name); text_name2 = itemView.findViewById(R.id.text_name2); text_name3 = itemView.findViewById(R.id.text_name3); img_check = itemView.findViewById(R.id.img_check); } } private ItemClickListener listener; public void setListener(ItemClickListener listener) { this.listener = listener; } public interface ItemClickListener{ void onItemClick(); } }7.布局mainactivity
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout android:layout_height="match_parent" android:layout_width="match_parent" android:orientation="vertical" xmlns:android="http://schemas.android.com/apk/res/android"> <RelativeLayout android:id="@+id/aa1" android:background="#11111111" android:gravity="center_vertical" android:layout_width="match_parent" android:layout_height="50dp"> <TextView android:layout_width="wrap_content" android:layout_height="match_parent" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" android:layout_marginTop="0dp" android:text="购物车" android:textSize="30sp" /> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:layout_centerVertical="true" android:text="编辑" android:textSize="20sp" /> </RelativeLayout> <android.support.v7.widget.RecyclerView android:id="@+id/recyclerview1" android:layout_below="@+id/aa1" android:layout_width="match_parent" android:layout_height="match_parent"/> <RelativeLayout android:layout_width="match_parent" android:layout_height="60dp" android:layout_alignParentBottom="true" android:background="@color/colorPrimaryDark"> <ImageView android:layout_width="20dp" android:layout_height="20dp" android:src="@drawable/check_no" android:layout_centerVertical="true" android:id="@+id/check_all"/> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_toRightOf="@id/check_all" android:layout_centerVertical="true" android:text="全选" /> <TextView android:id="@+id/sum" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentTop="true" android:layout_centerHorizontal="true" android:layout_marginTop="18dp" android:textSize="20sp" android:text="合计:￥1500.00" /> <TextView android:background="#f00" android:text="去结算" android:layout_alignParentRight="true" android:layout_width="100dp" android:gravity="center" android:layout_height="match_parent" /> </RelativeLayout> </RelativeLayout>8.itm1
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:orientation="vertical" android:layout_height="wrap_content"> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content"> <TextView android:id="@+id/text_name1" android:text="xxx" android:textSize="30sp" android:layout_width="match_parent" android:layout_height="match_parent" /> </LinearLayout> <android.support.v7.widget.RecyclerView android:id="@+id/recyclerview2" android:layout_width="match_parent" android:layout_height="match_parent"/> </LinearLayout>9.itm2
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content"> <RelativeLayout android:gravity="center" android:layout_width="wrap_content" android:layout_height="wrap_content"> <ImageView android:layout_width="20dp" android:layout_height="20dp" android:src="@drawable/check_no" android:id="@+id/img_check" android:layout_centerVertical="true"/> <ImageView android:src="@color/colorPrimaryDark" android:id="@+id/ima_name" android:layout_toRightOf="@+id/img_check" android:layout_width="100dp" android:layout_height="100dp" /> <TextView android:id="@+id/text_name2" android:layout_toRightOf="@+id/ima_name" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="xxxx" /> <TextView android:id="@+id/text_name3" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_below="@id/text_name2" android:layout_toRightOf="@+id/ima_name" android:text="sasasaassaa" /> </RelativeLayout> </RelativeLayout>
