購物車的第二種方法的介面卡以及HttpUtils網路工具類
阿新 • • 發佈：2018-11-06
import android.content.Context;
import android.support.annotation.NonNull;
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.bwie.cart1023.R;
import com.bwie.cart1023.bean.Product;
import com.bwie.cart1023.bean.Shopper;
import java.util.List;
//ShopperAdapter
public class ShopperAdapter extends RecyclerView.Adapter<ShopperAdapter.ViewHolder> { private Context context; private List<Shopper<List<Product>>> list; public ShopperAdapter(Context context, List<Shopper<List<Product>>> list) { this.context = context; this.list = list; } // 一級列表（商家）發生變化的介面 public interface OnShopperClickListener { void onShopperClick(int position, boolean isCheck); } private OnShopperClickListener shopperClickListener; public void setOnShopperClickListener(OnShopperClickListener listener) { this.shopperClickListener = listener; } // 二級列表的加減器監聽 private ProductAdapter.OnAddDecreaseProductListener productListener; public void setOnAddDecreaseProductListener(ProductAdapter.OnAddDecreaseProductListener listener) { this.productListener = listener; } @NonNull @Override public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) { View v = View.inflate(context, R.layout.item_shopper, null); ViewHolder holder = new ViewHolder(v); return holder; } @Override public void onBindViewHolder(@NonNull final ViewHolder holder, final int position) { final Shopper<List<Product>> shopper = list.get(position); holder.txtShopperName.setText(shopper.getSellerName()); // 產品的列表 RecyclerView.LayoutManager pLayoutManager = new LinearLayoutManager(context); holder.rvProduct.setLayoutManager(pLayoutManager); final ProductAdapter adapter = new ProductAdapter(context, shopper.getList()); // 給二級列表新增一個加減器的監聽 if (productListener != null) { adapter.setOnAddDecreaseProductListener(productListener); } // 二級條目（商品）複選框點選事件 adapter.setOnProductClickListener(new ProductAdapter.OnProductClickListener() { @Override public void onProductClick(int position, boolean isChecked) { // 當前商品未選中，商家也就未選中 if (!isChecked) { shopper.setChecked(false); // 只要是當前條目未選中，全選複選框也就沒選中 shopperClickListener.onShopperClick(position, false); } else { // 當前商品如果選中，需要遍歷商家所有的商品是否選中 // 迴圈遍歷之前先設定一個true標誌位，只要有一條商品沒有被選中，商家也就選中，標誌位變成false boolean isAllProductSelected = true; for (Product product : shopper.getList()) { if (!product.isChecked()) { isAllProductSelected = false; break; } } shopper.setChecked(isAllProductSelected); // 當前商品選中時，需要迴圈遍歷所有的商家是否被選中來確認外部全選複選框的狀態 shopperClickListener.onShopperClick(position, true); } // 資料發生變化之後重新整理介面卡 notifyDataSetChanged(); productListener.onChange(0, 0); } }); holder.rvProduct.setAdapter(adapter); // 先取消掉之前的點選變化監聽 holder.cbSHopper.setOnCheckedChangeListener(null); // 設定好初始化的狀態 holder.cbSHopper.setChecked(shopper.isChecked()); // 等設定完初始化狀態之後再設定我們自己的監聽 // 商家列表中的複選框 holder.cbSHopper.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() { @Override public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) { shopper.setChecked(isChecked); // 1.商家被選中的時候，子類所有的商品應該被選中 // if (isChecked) { List<Product> productList = shopper.getList(); for (Product product : productList) { product.setChecked(isChecked); } // 子類商品的介面卡重新整理 adapter.notifyDataSetChanged(); // } // 當點選一級條目的時候，外部的全選按鈕狀態發生變化 if (shopperClickListener != null) { shopperClickListener.onShopperClick(position, isChecked); } } }); } @Override public int getItemCount() { return list.size(); } class ViewHolder extends RecyclerView.ViewHolder { private CheckBox cbSHopper; private TextView txtShopperName; private RecyclerView rvProduct; public ViewHolder(View itemView) { super(itemView); cbSHopper = itemView.findViewById(R.id.cb_shopper); txtShopperName = itemView.findViewById(R.id.txt_shopper_name); rvProduct = itemView.findViewById(R.id.rv_product); } } }
import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.text.TextUtils;
import android.view.View;
import android.view.ViewGroup;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.ImageView;
import android.widget.TextView;
import com.bumptech.glide.Glide;
import com.bwie.cart1023.R;
import com.bwie.cart1023.bean.Product;
import com.bwie.cart1023.utils.StringUtils;
import com.bwie.cart1023.widget.AddDecreaseView;
import java.util.List;
//ProductAdapter
public class ProductAdapter extends RecyclerView.Adapter<ProductAdapter.ViewHolder> {
private Context context;
private List<Product> list;
// 二級條目（商品）點選監聽
public interface OnProductClickListener {
void onProductClick(int position, boolean isChecked);
}
private OnProductClickListener productClickListener;
public void setOnProductClickListener(OnProductClickListener listener) {
this.productClickListener = listener;
}
// 加減器發生變化的監聽
public interface OnAddDecreaseProductListener {
void onChange(int position, int num);
}
private OnAddDecreaseProductListener productListener;
public void setOnAddDecreaseProductListener(OnAddDecreaseProductListener listener) {
this.productListener = listener;
}
public ProductAdapter(Context context, List<Product> list) {
this.context = context;
this.list = list;
}
@NonNull
@Override
public ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
View v = View.inflate(context, R.layout.item_product, null);
ViewHolder holder = new ViewHolder(v);
return holder;
}
@Override
public void onBindViewHolder(@NonNull ViewHolder holder, final int position) {
final Product product = list.get(position);
String images = product.getImages();
// 商品圖片
if (!TextUtils.isEmpty(images)) {
String[] strings = images.split("\\|");
if (strings.length > 0) {
Glide.with(context)
.load(StringUtils.https2Http(strings[0]))
.into(holder.imgProduct);
}
}
holder.txtProductName.setText(product.getTitle());
holder.txtSinglePriice.setText(String.valueOf(product.getPrice()));
holder.advProduct.setNum(product.getNum());
// 加減器新增點選事件
holder.advProduct.setOnAddDecreaseClickListener(new AddDecreaseView.OnAddDecreaseClickListener() {
@Override
public void add(int num) {
product.setNum(num);
if (productListener != null) {
productListener.onChange(position, num);
}
}
@Override
public void decrease(int num) {
product.setNum(num);
if (productListener != null) {
productListener.onChange(position, num);
}
}
});
// 商品的複選框
holder.cbProduct.setOnCheckedChangeListener(null);
holder.cbProduct.setChecked(product.isChecked());
holder.cbProduct.setOnCheckedChangeListener(new CompoundButton.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
product.setChecked(isChecked);
if (productClickListener != null) {
productClickListener.onProductClick(position, isChecked);
}
}
});
}
@Override
public int getItemCount() {
return list.size();
}
class ViewHolder extends RecyclerView.ViewHolder {
private CheckBox cbProduct;
private ImageView imgProduct;
private TextView txtProductName;
private TextView txtSinglePriice;
private AddDecreaseView advProduct;
public ViewHolder(View itemView) {
super(itemView);
cbProduct = itemView.findViewById(R.id.cb_product);
imgProduct = itemView.findViewById(R.id.img_product);
txtSinglePriice = itemView.findViewById(R.id.txt_single_price);
advProduct = itemView.findViewById(R.id.adv_product);
txtProductName = itemView.findViewById(R.id.txt_product_name);
}
}
}
//以及分好的bean包
//MessageBean
public class MessageBean<T> {
private String msg;
private String code;
private T data;
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}
public String getCode() {
return code;
}
public void setCode(String code) {
this.code = code;
}
public T getData() {
return data;
}
public void setData(T data) {
this.data = data;
}
}
//Product
public class Product {
/**
* bargainPrice : 22.9
* createtime : 2017-10-14T21:48:08
* detailUrl : https://item.m.jd.com/product/2542855.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends
* images : https://m.360buyimg.com/n0/jfs/t1930/284/2865629620/390243/e3ade9c4/56f0a08fNbd3a1235.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2137/336/2802996626/155915/e5e90d7a/56f0a09cN33e01bd0.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t1882/31/2772215910/389956/c8dbf370/56f0a0a2Na0c86ea6.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t2620/166/2703833710/312660/531aa913/57709035N33857877.jpg!q70.jpg
* num : 1
* pid : 24
* price : 288
* pscid : 2
* selected : 0
* sellerid : 1
* subhead : 三隻松鼠零食特惠，專區滿99減50，滿199減100，火速搶購》
* title : 三隻松鼠 堅果炒貨 零食奶油味 碧根果225g/袋
*/
private float bargainPrice;
private String createtime;
private String detailUrl;
private String images;
private int num;
private int pid;
private float price;
private int pscid;
private int selected;
private int sellerid;
private String subhead;
private String title;
private boolean isChecked;
public float getBargainPrice() {
return bargainPrice;
}
public void setBargainPrice(float bargainPrice) {
this.bargainPrice = bargainPrice;
}
public String getCreatetime() {
return createtime;
}
public void setCreatetime(String createtime) {
this.createtime = createtime;
}
public String getDetailUrl() {
return detailUrl;
}
public void setDetailUrl(String detailUrl) {
this.detailUrl = detailUrl;
}
public String getImages() {
return images;
}
public void setImages(String images) {
this.images = images;
}
public int getNum() {
return num;
}
public void setNum(int num) {
this.num = num;
}
public int getPid() {
return pid;
}
public void setPid(int pid) {
this.pid = pid;
}
public float getPrice() {
return price;
}
public void setPrice(float price) {
this.price = price;
}
public int getPscid() {
return pscid;
}
public void setPscid(int pscid) {
this.pscid = pscid;
}
public int getSelected() {
return selected;
}
public void setSelected(int selected) {
this.selected = selected;
}
public int getSellerid() {
return sellerid;
}
public void setSellerid(int sellerid) {
this.sellerid = sellerid;
}
public String getSubhead() {
return subhead;
}
public void setSubhead(String subhead) {
this.subhead = subhead;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public boolean isChecked() {
return isChecked;
}
public void setChecked(boolean checked) {
isChecked = checked;
}
}//Shopper
public class Shopper<T> {
private String sellerid;
private String sellerName;
private boolean isChecked;
private T list;
public String getSellerid() {
return sellerid;
}
public void setSellerid(String sellerid) {
this.sellerid = sellerid;
}
public String getSellerName() {
return sellerName;
}
public void setSellerName(String sellerName) {
this.sellerName = sellerName;
}
public boolean isChecked() {
return isChecked;
}
public void setChecked(boolean checked) {
isChecked = checked;
}
public T getList() {
return list;
}
public void setList(T list) {
this.list = list;
}
}
//INetCallBack
public interface INetCallBack {
void success(Object obj);
void failed(Exception e);
}//HttpUtils
private static volatile HttpUtils instance;
private OkHttpClient client;
private Handler handler = new Handler(Looper.getMainLooper());
private HttpUtils() {
HttpLoggingInterceptor interceptor = new HttpLoggingInterceptor();
interceptor.setLevel(HttpLoggingInterceptor.Level.BODY);
client = new OkHttpClient.Builder()
.connectTimeout(5, TimeUnit.SECONDS)
.addInterceptor(interceptor)
.build();
}
public static HttpUtils getInstance() {
if (instance == null) {
synchronized (HttpUtils.class) {
if (null == instance) {
instance = new HttpUtils();
}
}
}
return instance;
}
public void get(String url, final INetCallBack callBack, final Type type) {
Request request = new Request.Builder()
.get()
.url(url)
.build();
Call call = client.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, final IOException e) {
handler.post(new Runnable() {
@Override
public void run() {
callBack.failed(e);
}
});
}
@Override
public void onResponse(Call call, Response response) throws IOException {
String result = response.body().string();
Gson gson = new Gson();
final Object o = gson.fromJson(result, type);
handler.post(new Runnable() {
@Override
public void run() {
callBack.success(o);
}
});
}
});
}//StringUtils
//這個utils是用來更換地址裡面有可能會出現的https的,有的證書過期需要替換
public static String https2Http(String url) {
return url.replace("https", "http");
}//AddDecreaseView
public class AddDecreaseView extends RelativeLayout implements View.OnClickListener {
private TextView txtAdd;
private TextView txtDecrease;
private TextView txtNum;
private int num;
public interface OnAddDecreaseClickListener {
void add(int num);
void decrease(int num);
}
private OnAddDecreaseClickListener listener;
public void setOnAddDecreaseClickListener(OnAddDecreaseClickListener listener) {
this.listener = listener;
}
public AddDecreaseView(Context context) {
this(context, null);
}
public AddDecreaseView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public AddDecreaseView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(context);
}
private void init(Context context) {
View.inflate(context, R.layout.item_add_decrease, this);
txtAdd = findViewById(R.id.txt_add);
txtDecrease = findViewById(R.id.txt_decrease);
txtNum = findViewById(R.id.txt_num);
txtNum.setText("1");
txtAdd.setOnClickListener(this);
txtDecrease.setOnClickListener(this);
}
public void setNum(int num) {
this.num = num;
txtNum.setText(num + "");
}
public int getNum() {
return num;
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.txt_add:
num++;
txtNum.setText(num + "");
if (listener != null) {
listener.add(num);
}
break;
case R.id.txt_decrease:
if (num > 1) {
num--;
}
txtNum.setText(num + "");
if (listener != null) {
listener.decrease(num);
}
break;
}
}
}