MVP+Retrofit+Cart
Main
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.DividerItemDecoration;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.RelativeLayout;
import android.widget.TextView;
import android.widget.Toast;
import com.example.lenovo.cart03.adapter.CartAdapter;
import com.example.lenovo.cart03.adapter.ChildAdapter;
import com.example.lenovo.cart03.bean.CartBean;
import com.example.lenovo.cart03.cart.presenter.CartPresenter;
import com.example.lenovo.cart03.cart.view.IView;
import java.util.ArrayList;
import java.util.List;
import butterknife.BindView;
import butterknife.ButterKnife;
public class MainActivity extends AppCompatActivity implements IView{
@BindView(R.id.rv_top)
RelativeLayout rvTop;
@BindView(R.id.cb_total_select)
CheckBox cbTotalSelect;
@BindView(R.id.txt_total_price)
TextView txtTotalPrice;
@BindView(R.id.btn_calu)
Button btnCalu;
@BindView(R.id.rl_bottom)
RelativeLayout rlBottom;
@BindView(R.id.rv_shopper)
RecyclerView rvShopper;
private List list;
private CartPresenter presenter;
private CartAdapter cartAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
ButterKnife.bind(this);
initData();
}
private void initData() {
presenter = new CartPresenter();
presenter.attach(this);
presenter.getCart(71);
list = new ArrayList<>();
cartAdapter = new CartAdapter(this,list);
RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(this);
rvShopper.setLayoutManager(layoutManager);
rvShopper.addItemDecoration(new DividerItemDecoration(this,DividerItemDecoration.VERTICAL));
cartAdapter.setCartClickListener(new CartAdapter.onCartClickListener() {
@Override
public void onCartListener(int position, boolean isChecked) {
if (!isChecked){
cbTotalSelect.setChecked(false);
}else {
boolean isAllCartSelected = true;
for (CartBean.DataBean dataBean : list) {
if (!dataBean.isChecked()){
isAllCartSelected = false;
break;
}
}
cbTotalSelect.setChecked(isAllCartSelected);
AllSum();
}
}
});
cartAdapter.setAddCreateClickListener(new ChildAdapter.onAddCreateClickListener() {
@Override
public void onChange(int position, int num) {
AllSum();
}
});
rvShopper.setAdapter(cartAdapter);
cbTotalSelect.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
boolean checked = cbTotalSelect.isChecked();
for (CartBean.DataBean dataBean : list) {
dataBean.setChecked(checked);
for (CartBean.DataBean.ListBean listBean : dataBean.getList()) {
listBean.setChecked(checked);
}
}
AllSum();
cartAdapter.notifyDataSetChanged();
}
});
}
public void AllSum(){
float sum = 0;
for (CartBean.DataBean dataBean : list) {
for (CartBean.DataBean.ListBean listBean : dataBean.getList()) {
if (listBean.isChecked()){
sum+=listBean.getPrice()*listBean.getNum();
}
}
}
txtTotalPrice.setText("总价"+sum);
}
@Override
public void getCart(List dataBeans) {
Toast.makeText(this,"sdgsdf"+dataBeans,Toast.LENGTH_LONG).show();
if (dataBeans!= null){
list.clear();
list.addAll(dataBeans);
cartAdapter.notifyDataSetChanged();
}
}
@Override
public void faild(Throwable t) {
}
@Override
protected void onDestroy() {
super.onDestroy();
presenter.detach();
}
}
//Utils
CartApi
public interface CartApi {
//购物车
@GET("product/getCarts")
Observable cart1(@Query("uid") int uid);
}
APP
public class CartApp extends Application {
@Override
public void onCreate() {
super.onCreate();
Fresco.initialize(this);
}
}
ImgUtils
public class ImgUtils {
public static String getImg(String url){
String replace = url.replace("https","http");
String[] split = replace.split("\\|");
return split[0];
}
}
RetrofitManager
import java.util.concurrent.TimeUnit;
import okhttp3.OkHttpClient;
import retrofit2.Retrofit;
import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory;
import retrofit2.converter.gson.GsonConverterFactory;
/**
*
*/
public class RetrofitManager {
private static final String BASE_URL = "http://www.zhaoapi.cn/";
private Retrofit retrofit;
private static final class SINGLE{
private static RetrofitManager INSTANCE = new RetrofitManager();
}
public static RetrofitManager getInstance(){
return SINGLE.INSTANCE;
}
private RetrofitManager(){
retrofit = new Retrofit.Builder()
.baseUrl(BASE_URL)
.addConverterFactory(GsonConverterFactory.create())
.addCallAdapterFactory(RxJava2CallAdapterFactory.create())
.client(buildOkhttpClient())
.build();
}
private OkHttpClient buildOkhttpClient(){
return new OkHttpClient.Builder()
.readTimeout(5000, TimeUnit.MILLISECONDS)
.writeTimeout(5000,TimeUnit.MILLISECONDS)
.build();
}
public Retrofit getRetrofit(){
return retrofit;
}
public T create(Class clazz){
return retrofit.create(clazz);
}
}
AddDecreaseView类
package com.example.lenovo.cart03.inter;
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 com.example.lenovo.cart03.R;
import butterknife.BindView;
/**
*
*/
public class AddDecreaseView extends LinearLayout implements View.OnClickListener {
@BindView(R.id.txt_decrease)
TextView txtDecrease;
@BindView(R.id.txt_add)
TextView txtAdd;
@BindView(R.id.txt_num)
TextView txtNum;
private int num;
public void setNum(int num) {
this.num = num;
txtNum.setText(num+"");
}
public int getNum(int num){
return num;
}
//接口回调
public interface OnAddDecreaseClickListener{
void add(int num);
void decrease(int num);
}
private OnAddDecreaseClickListener clickListener;
public void setClickListener(OnAddDecreaseClickListener clickListener){
this.clickListener = clickListener;
}
public AddDecreaseView(Context context) {
this(context, null);
}
public AddDecreaseView(Context context, @Nullable AttributeSet attrs) {
this(context, attrs, 0);
}
public AddDecreaseView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(context);
}
private void init(Context context) {
View.inflate(context, R.layout.item_add, this);
txtAdd = findViewById(R.id.txt_add);
txtDecrease = findViewById(R.id.txt_decrease);
txtNum = findViewById(R.id.txt_num);
txtAdd.setOnClickListener(this);
txtDecrease.setOnClickListener(this);
}
@Override
public void onClick(View view) {
switch (view.getId()){
case R.id.txt_add:
num++;
txtNum.setText(num+"");
if (clickListener != null){
clickListener.add(num);
}
break;
case R.id.txt_decrease:
if (num>1){
num--;
}
txtNum.setText(num+"");
if (clickListener!=null){
clickListener.decrease(num);
}
break;
}
}
}
MVP
View
public interface IView {
void getCart(List list);
void faild(Throwable t);
}
Model
public class CartModel {
public Observable getcart(int uid){
CartApi cartApi = RetrofitManager.getInstance().create(CartApi.class);
Observable cartBeanObservable = cartApi.cart1(uid);
return cartBeanObservable;
}
}
Presenter
package com.example.lenovo.cart03.cart.presenter;
import com.example.lenovo.cart03.bean.CartBean;
import com.example.lenovo.cart03.cart.model.CartModel;
import com.example.lenovo.cart03.cart.view.IView;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.functions.Consumer;
import io.reactivex.schedulers.Schedulers;
/**
*
*/
public class CartPresenter {
private CartModel model;
private IView iv;
public void attach(IView iv){
this.iv = iv;
model = new CartModel();
}
public void detach(){
if (iv!=null){
iv=null;
}
}
public void getCart(int uid){
model.getcart(uid)
.subscribeOn(Schedulers.io())
.observeOn(AndroidSchedulers.mainThread())
.subscribe(new Consumer() {
@Override
public void accept(CartBean cartBean) throws Exception {
if (cartBean != null & "0".equals(cartBean.getCode())) {
if (iv != null) {
iv.getCart(cartBean.getData());
}
return;
}
if (iv != null) {
iv.faild(new Throwable("" + cartBean.getMsg()));
}
}
}, new Consumer() {
@Override
public void accept(Throwable throwable) throws Exception {
if (iv!=null){
iv.faild(throwable);
}
}
});
}
}
CartAdapter
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.CompoundButton; import android.widget.TextView; import com.example.lenovo.cart03.R; import com.example.lenovo.cart03.bean.CartBean; import java.util.List; import butterknife.BindView; import butterknife.ButterKnife; /** * */ public class CartAdapter extends RecyclerView.Adapter{ //接口回调一级列表商家 public interface onCartClickListener{ void onCartListener(int position,boolean isChecked); } private onCartClickListener cartClickListener; public void setCartClickListener(onCartClickListener cartClickListener){ this.cartClickListener= cartClickListener; } // 二级列表的加减器监听 private ChildAdapter.onAddCreateClickListener addCreateClickListener; public void setAddCreateClickListener(ChildAdapter.onAddCreateClickListener addCreateClickListener){ this.addCreateClickListener = addCreateClickListener; } private Context context; private List list; public CartAdapter(Context context, List list) { this.context = context; this.list = list; } @Override public Holder onCreateViewHolder(ViewGroup parent, int viewType) { View v = View.inflate(context, R.layout.item_cart, null); return new Holder(v); } @Override public void onBindViewHolder(Holder holder, final int position) { final CartBean.DataBean dataBean = list.get(position); holder.txtShopperName.setText(list.get(position).getSellerName()); //产品列表RecyclerView适配器+布局管理器 final RecyclerView.LayoutManager layoutManager = new LinearLayoutManager(context); final ChildAdapter childAdapter = new ChildAdapter(context,dataBean.getList()); holder.rvProduct.setLayoutManager(layoutManager); if (addCreateClickListener!=null){ childAdapter.setAddCreateClickListener(addCreateClickListener); } childAdapter.setChildClickListener(new ChildAdapter.onChildClickListener() { @Override public void onChildListener(int position, boolean isChecked) { if (!isChecked){ dataBean.setChecked(false); cartClickListener.onCartListener(position,false); }else { boolean isAllChildSelected = true; for (CartBean.DataBean.ListBean listBean : dataBean.getList()) { if (!listBean.isChecked()) { isAllChildSelected = false; break; } } dataBean.setChecked(isAllChildSelected); cartClickListener.onCartListener(position, true); } notifyDataSetChanged(); } }); holder.rvProduct.setAdapter(childAdapter); holder.cbShopperBox.setOnCheckedChangeListener(null); holder.cbShopperBox.setChecked(dataBean.isChecked()); holder.cbShopperBox.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton compoundButton, boolean b) { dataBean.setChecked(b); for (CartBean.DataBean.ListBean listBean : dataBean.getList()) { listBean.setChecked(b); } childAdapter.notifyDataSetChanged(); if (cartClickListener != null){ cartClickListener.onCartListener(position,b); } } }); } @Override public int getItemCount() { return list.size(); } class Holder extends RecyclerView.ViewHolder { @BindView(R.id.cb_shopper_box) CheckBox cbShopperBox; @BindView(R.id.txt_shopper_name) TextView txtShopperName; @BindView(R.id.rv_product) RecyclerView rvProduct; public Holder(View itemView) { super(itemView); ButterKnife.bind(this,itemView); } } }
ChildAdapter
package com.example.lenovo.cart03.adapter; import android.content.Context; import android.net.Uri; 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 com.example.lenovo.cart03.R; import com.example.lenovo.cart03.bean.CartBean; import com.example.lenovo.cart03.inter.AddDecreaseView; import com.example.lenovo.cart03.utils.ImgUtils; import com.facebook.drawee.view.SimpleDraweeView; import java.util.List; import butterknife.BindView; import butterknife.ButterKnife; /** * */ public class ChildAdapter extends RecyclerView.Adapter{ //二级列表 public interface onChildClickListener { void onChildListener(int position, boolean isChecked); } private onChildClickListener childClickListener; public void setChildClickListener(onChildClickListener childClickListener) { this.childClickListener = childClickListener; } // 加减器发生变化的监听 public interface onAddCreateClickListener { void onChange(int position, int num); } private onAddCreateClickListener addCreateClickListener; public void setAddCreateClickListener(onAddCreateClickListener addCreateClickListener) { this.addCreateClickListener = addCreateClickListener; } private Context context; private List list; public ChildAdapter(Context context, List list) { this.context = context; this.list = list; } @Override public Holder onCreateViewHolder(ViewGroup parent, int viewType) { View v = View.inflate(context, R.layout.item_cart_child, null); return new Holder(v); } @Override public void onBindViewHolder(Holder holder, final int position) { final CartBean.DataBean.ListBean listBean = list.get(position); holder.txtProductName.setText(listBean.getTitle()); holder.txtSinglePrice.setText(listBean.getPrice() + ""); holder.imgProduct.setImageURI(Uri.parse(ImgUtils.getImg(listBean.getImages()))); holder.advProduct.setNum(listBean.getNum()); //复选框 holder.cbProduct.setOnCheckedChangeListener(null); holder.cbProduct.setChecked(listBean.isChecked()); holder.cbProduct.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton compoundButton, boolean b) { listBean.setChecked(b); if (childClickListener != null) { childClickListener.onChildListener(position, b); } } }); //加减器事件 holder.advProduct.setClickListener(new AddDecreaseView.OnAddDecreaseClickListener() { @Override public void add(int num) { listBean.setNum(num); if (addCreateClickListener != null) { addCreateClickListener.onChange(position, num); } } @Override public void decrease(int num) { listBean.setNum(num); if (addCreateClickListener != null) { addCreateClickListener.onChange(position, num); } } }); } @Override public int getItemCount() { return list.size(); } class Holder extends RecyclerView.ViewHolder { @BindView(R.id.cb_product) CheckBox cbProduct; @BindView(R.id.img_product) SimpleDraweeView imgProduct; @BindView(R.id.adv_product) AddDecreaseView advProduct; @BindView(R.id.txt_product_name) TextView txtProductName; @BindView(R.id.txt_single_price) TextView txtSinglePrice; public Holder(View itemView) { super(itemView); ButterKnife.bind(this,itemView); } } }
MainLayout
AddLayout
CartLayout
ChildLayout