MVP做二级购物车
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依赖注入
compile fileTree(dir: 'libs', include: ['*.jar'])testCompile 'junit:junit:4.12'compile 'com.android.support:appcompat-v7:26.+'compile 'com.android.support:recyclerview-v7:26.0.0-alpha1'compile 'com.squareup.okhttp3:okhttp:3.9.0'compile 'com.google.code.gson:gson:2.8.2'compile 'com.nostra13.universalimageloader:universal-image-loader:1.9.5'compile 'com.jakewharton:butterknife-annotations:8.8.1'compile 'com.jakewharton:butterknife:8.8.1'compile 'com.squareup.okhttp3:okhttp:3.9.0'compile 'com.google.code.gson:gson:2.8.2'compile 'com.github.bumptech.glide:glide:3.7.0'
model
package aaaaa.myapplication.model;import aaaaa.myapplication.bean.ShopBean;import aaaaa.myapplication.okhttp.AbstractUiCallBack;import aaaaa.myapplication.okhttp.OkhttpUtils;/** * Created by muhanxi on 17/11/21. */public class MainModel { public void getData(final MainModelCallBack callBack){ OkhttpUtils.getInstance().asy(null, "http://120.27.23.105/product/getCarts?uid=100", new AbstractUiCallBack<ShopBean>() { public void success(ShopBean bean) { callBack.success(bean); } public void failure(Exception e) { callBack.failure(e); } }); }}
package aaaaa.myapplication.model;import aaaaa.myapplication.bean.ShopBean;/** * Created by muhanxi on 17/11/21. */public interface MainModelCallBack { public void success(ShopBean bean); public void failure(Exception e);}presenter
package aaaaa.myapplication.presenter;import aaaaa.myapplication.bean.ShopBean;import aaaaa.myapplication.model.MainModel;import aaaaa.myapplication.model.MainModelCallBack;import aaaaa.myapplication.view.MainViewListener;/** * * Created by muhanxi on 17/11/21. * */public class MainPresenter { private MainViewListener listener; private MainModel mainModel; public MainPresenter(MainViewListener listener){ this.listener = listener ; this.mainModel = new MainModel(); } public void getData(){ mainModel.getData(new MainModelCallBack() { @Override public void success(ShopBean bean) { if(listener != null){ listener.success(bean); } } @Override public void failure(Exception e) { if(listener != null){ listener.failure(e); } } }); } /** * 防止内存泄漏 */ public void detach(){ listener = null; }}view
package aaaaa.myapplication.view;import aaaaa.myapplication.bean.ShopBean;/** * Created by muhanxi on 17/11/21. */public interface MainViewListener { public void success(ShopBean bean); public void failure(Exception e);}初始化
package aaaaa.myapplication;import android.app.Application;import com.nostra13.universalimageloader.core.ImageLoader;import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;/** * Created by muhanxi on 17/11/21. */public class IApplication extends Application { @Override public void onCreate() { super.onCreate(); ImageLoaderConfiguration configuration = new ImageLoaderConfiguration.Builder(this).build(); ImageLoader.getInstance().init(configuration); }}Main
package aaaaa.myapplication;import android.app.Activity;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.LinearLayout;import android.widget.TextView;import android.widget.Toast;import aaaaa.myapplication.bean.ShopBean;import aaaaa.myapplication.presenter.MainPresenter;import aaaaa.myapplication.view.MainViewListener;import butterknife.BindView;import butterknife.ButterKnife;public class MainActivity extends Activity implements MainViewListener { CheckBox checkBoxAll; TextView thirdTotalprice; TextView thirdTotalnum; @BindView(R.id.third_pay_linear) LinearLayout thirdPayLinear; private MainPresenter presenter; private ShopAdapter adapter; private RecyclerView thirdRecyclerview; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ButterKnife.bind(this); thirdRecyclerview = findViewById(R.id.third_recyclerview); checkBoxAll= findViewById(R.id.third_allselect); thirdTotalprice= findViewById(R.id.third_totalprice); thirdTotalnum= findViewById(R.id.third_totalnum); thirdPayLinear= findViewById(R.id.third_pay_linear);checkBoxAll.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { adapter.selectAll(checkBoxAll.isChecked()); }}); presenter = new MainPresenter(this); presenter.getData(); adapter = new ShopAdapter(this); LinearLayoutManager manager = new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false); thirdRecyclerview.setLayoutManager(manager); thirdRecyclerview.setAdapter(adapter); adapter.setListener(new ShopAdapter.UpdateUiListener() { @Override public void setTotal(String total, String num,boolean allCheck) { checkBoxAll.setChecked(allCheck); thirdTotalnum.setText("数量："+num); thirdTotalprice.setText("总价：￥"+total); } }); } @Override public void success(ShopBean bean) { adapter.add(bean); } @Override public void failure(Exception e) { Toast.makeText(this, "error", Toast.LENGTH_SHORT).show(); }}Plusview
package aaaaa.myapplication;import android.content.Context;import android.support.annotation.Nullable;import android.text.Editable;import android.text.TextWatcher;import android.util.AttributeSet;import android.view.LayoutInflater;import android.view.View;import android.widget.Button;import android.widget.EditText;import android.widget.LinearLayout;/** * Created by muhanxi on 17/11/21. *//** * 购物车加减号 自定义View */public class PlusView extends LinearLayout { private EditText editText; private Button revserse; private Button add; private int mCount = 1 ; public PlusView(Context context) { super(context); } public PlusView(Context context, @Nullable AttributeSet attrs) { super(context, attrs); View view = LayoutInflater.from(context).inflate(R.layout.plus_layout,null,false); revserse = (Button) view.findViewById(R.id.revserse); add = (Button) view.findViewById(R.id.add); editText = (EditText) view.findViewById(R.id.content); revserse.setOnClickListener(new OnClickListener() { @Override public void onClick(View view) { //减号 try { String content = editText.getText().toString().trim() ; int count = Integer.valueOf(content); if(count > 1){ mCount = count-1; editText.setText(mCount+""); if(listener != null){ listener.click(mCount); } } } catch (NumberFormatException e) { e.printStackTrace(); } } }); add.setOnClickListener(new OnClickListener() { @Override public void onClick(View view) { //加号 try { String content = editText.getText().toString().trim() ; int count = Integer.valueOf(content)+1; mCount = count; editText.setText(count+""); if(listener != null){ listener.click(count); } } catch (NumberFormatException e) { e.printStackTrace(); } } }); editText.addTextChangedListener(new TextWatcher() { @Override public void beforeTextChanged(CharSequence charSequence, int i, int i1, int i2) { } @Override public void onTextChanged(CharSequence charSequence, int i, int i1, int i2) { } @Override public void afterTextChanged(Editable editable) { } }); addView(view); } public PlusView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); } public void setEditText(int num){ if(editText != null){ editText.setText(num+""); } } public ClickListener listener; public void setListener(ClickListener listener){ this.listener = listener; } /** * 加减号 点击事件 */ public interface ClickListener { public void click(int count); }}
ShopAdapter
组布局package aaaaa.ykle;import android.content.Context;import android.support.v7.widget.RecyclerView;import android.view.View;import android.view.ViewGroup;import android.widget.Button;import android.widget.CheckBox;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.TextView;import com.nostra13.universalimageloader.core.ImageLoader;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import aaaaa.ykle.bean.ShopBean;/** * Created by muhanxi on 17/11/21. */public class ShopAdapter extends RecyclerView.Adapter<ShopAdapter.IViewHolder> { private Context context; private List<ShopBean.DataBean.ListBean> list; // 存放 商家的id 和 商家名称 private Map<String,String> map = new HashMap<>(); public ShopAdapter(Context context) { this.context = context; } /** * 添加数据 并更新显示 * @param bean */ public void add(ShopBean bean) { if (this.list == null) { this.list = new ArrayList<>(); } // 遍历商家 for (ShopBean.DataBean shop : bean.getData()) { map.put(shop.getSellerid(),shop.getSellerName()); // 遍历商品 for (int i = 0; i < shop.getList().size(); i++) { this.list.add(shop.getList().get(i)); } } setFirst(this.list); notifyDataSetChanged(); } /** * 设置数据源， 控制显示商家 * @param list */ private void setFirst(List<ShopBean.DataBean.ListBean> list){ if(list.size() > 0){ list.get(0).setIsFirst(1); for(int i=1;i<list.size();i++){ if(list.get(i).getSellerid() == list.get(i-1).getSellerid()){ list.get(i).setIsFirst(2); }else{ list.get(i).setIsFirst(1); if(list.get(i).isItemSelected()){ list.get(i).setShopSelected(list.get(i).isItemSelected()); } } } } } @Override public IViewHolder onCreateViewHolder(ViewGroup parent, int viewType) { View view = View.inflate(context, R.layout.adapter_layout, null); return new IViewHolder(view); } @Override public void onBindViewHolder(final IViewHolder holder, final int position) { // 显示商品图片 if(list.get(position).getIsFirst() == 1){ //显示商家 holder.shop_checkbox.setVisibility(View.VISIBLE); holder.tvItemShopcartShopname.setVisibility(View.VISIBLE); holder.shop_checkbox.setChecked(list.get(position).isShopSelected());// 显示商家的名称// list.get(position).getSellerid() 取到商家的id// map.get（）取到 商家的名称 holder.tvItemShopcartShopname.setText(map.get(String.valueOf(list.get(position).getSellerid()))); } else { holder.shop_checkbox.setVisibility(View.GONE); holder.tvItemShopcartShopname.setVisibility(View.GONE); } //控制 商品的 checkbox holder.item_checkbox.setChecked(list.get(position).isItemSelected()); String[] url = list.get(position).getImages().split("\\|"); ImageLoader.getInstance().displayImage(url[0],holder.item_pic); holder.item_name.setText(list.get(position).getTitle()); holder.item_price.setText(list.get(position).getPrice()+""); holder.plusViewId.setEditText(list.get(position).getNum()); // 商家的checkbox holder.shop_checkbox.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { list.get(position).setShopSelected(holder.shop_checkbox.isChecked()); for(int i=0;i<list.size();i++){ if(list.get(position).getSellerid() == list.get(i).getSellerid()){ list.get(i).setItemSelected(holder.shop_checkbox.isChecked()); } } notifyDataSetChanged(); sum(list); } }); // 商品的checkbox holder.item_checkbox.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { list.get(position).setItemSelected(holder.item_checkbox.isChecked()); for(int i=0;i<list.size();i++){ for (int j=0;j<list.size();j++){ if(list.get(i).getSellerid() == list.get(j).getSellerid() && !list.get(j).isItemSelected()){ list.get(i).setShopSelected(false); break; }else { list.get(i).setShopSelected(true); } } } notifyDataSetChanged(); sum(list); } }); holder.item_del.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { list.remove(position); setFirst(list); notifyDataSetChanged(); sum(list); } }); //加减号 holder.plusViewId.setListener(new PlusView.ClickListener() { @Override public void click(int count) { list.get(position).setNum(count); notifyDataSetChanged(); sum(list); } }); } @Override public int getItemCount() { return list == null ? 0 : list.size(); } /** * 计算总价 * @param list */ private void sum(List<ShopBean.DataBean.ListBean> list){ int totalNum = 0 ; float totalMoney = 0.0f; boolean allCheck =true; for(int i=0;i<list.size();i++){ if(list.get(i).isItemSelected()){ totalNum += list.get(i).getNum() ; totalMoney += list.get(i).getNum() * list.get(i).getPrice(); }else { allCheck = false; } } listener.setTotal(totalMoney+"",totalNum+"",allCheck); } public void selectAll(boolean check){ for(int i=0;i<list.size();i++){ list.get(i).setShopSelected(check); list.get(i).setItemSelected(check); } notifyDataSetChanged(); sum(list); } static class IViewHolder extends RecyclerView.ViewHolder { CheckBox shop_checkbox; TextView tvItemShopcartShopname; LinearLayout llShopcartHeader; CheckBox item_checkbox; ImageView item_pic; TextView item_price; TextView item_name; TextView tvItemShopcartClothSize; PlusView plusViewId; Button item_del; IViewHolder(View view) { super(view); shop_checkbox=view.findViewById(R.id.shop_checkbox); tvItemShopcartShopname=view.findViewById(R.id.tv_item_shopcart_shopname); llShopcartHeader= view.findViewById(R.id.ll_shopcart_header); item_checkbox= view.findViewById(R.id.item_checkbox); item_pic=view.findViewById(R.id.item_pic); item_price=view.findViewById(R.id.item_price); item_name=view.findViewById(R.id.item_name); tvItemShopcartClothSize=view.findViewById(R.id.tv_item_shopcart_cloth_size); plusViewId=view.findViewById(R.id.plus_view_id); item_del= view.findViewById(R.id.item_del); } } public UpdateUiListener listener; public void setListener(UpdateUiListener listener){ this.listener = listener; } interface UpdateUiListener { public void setTotal(String total, String num, boolean allCheck); }}
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <android.support.v7.widget.RecyclerView android:id="@+id/third_recyclerview" android:layout_width="match_parent" android:layout_height="0dp" android:layout_weight="1" /> <LinearLayout android:layout_weight="0" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:background="#FFFFFF" android:gravity="center_vertical" android:id="@+id/third_pay_linear" > <CheckBox android:id="@+id/third_allselect" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="全选" /> <LinearLayout android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical" > <TextView android:id="@+id/third_totalprice" android:layout_width="200dp" android:layout_height="wrap_content" android:text="总价：" /> <TextView android:id="@+id/third_totalnum" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="共0件商品" /> </LinearLayout> <TextView android:id="@+id/third_submit" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="去结算" android:textColor="#000000" /> </LinearLayout></LinearLayout>适配器布局
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="match_parent" android:layout_height="wrap_content"> <LinearLayout android:id="@+id/ll_shopcart_header" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" > <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="center_vertical" > <!-- 商店checkbox --> <CheckBox android:id="@+id/shop_checkbox" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <!-- 商店明晨 --> <TextView android:id="@+id/tv_item_shopcart_shopname" android:layout_width="match_parent" android:layout_height="wrap_content" android:text="宝儿家服装" /> </LinearLayout> </LinearLayout> <TextView android:layout_marginLeft="63dp" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="111111111111" android:id="@+id/item_name" /> <LinearLayout android:layout_marginLeft="20dp" android:gravity="center" android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="horizontal" > <CheckBox android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/item_checkbox" /> <LinearLayout android:padding="10dp" android:gravity="center" android:layout_width="wrap_content" android:orientation="horizontal" android:layout_height="wrap_content"> <ImageView android:id="@+id/item_pic" android:layout_width="80dp" android:layout_height="80dp" android:src="@mipmap/ic_launcher" /> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="vertical" > <TextView android:text="10000" android:id="@+id/item_price" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <TextView android:text="1000" android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/tv_item_shopcart_cloth_size" /> <aaaaa.myapplication.PlusView android:id="@+id/plus_view_id" android:layout_width="wrap_content" android:layout_height="wrap_content"/> </LinearLayout> <Button android:layout_marginLeft="30dp" android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/item_del" android:text="删除" /> </LinearLayout> </LinearLayout></LinearLayout>plus_layout.xml
<?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"> <Button android:layout_width="20dp" android:layout_height="wrap_content" android:id="@+id/revserse" android:text="-" android:background="#00FFFFFF"/> <EditText android:inputType="number" android:text="1" android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/content"/> <Button android:background="#00FFFFFF" android:text="+" android:id="@+id/add" android:layout_width="20dp" android:layout_height="wrap_content" /></LinearLayout>
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