MVP和HTTP购物车
//首先是布局页面
//此处是主Activitypackage com.daydayup.day14_gouwuche.view;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.ExpandableListView;
import android.widget.TextView;
import com.daydayup.day14_gouwuche.R;
import com.daydayup.day14_gouwuche.adapters.MyAdapter;
import com.daydayup.day14_gouwuche.model.GouWuBean;
import com.daydayup.day14_gouwuche.model.ModelImpl;
import com.daydayup.day14_gouwuche.presenter.PresenterImpl;
import java.util.List;
public class MainActivity extends AppCompatActivity implements View.OnClickListener,IMainView {
private ExpandableListView expandableListView;
private CheckBox checkBox;
private TextView tv_sum;
private Button jisuan;
private static final String TAG = "MainActivity0------";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
//初始化控件
initViews();
//请求数据
initDatas();
}
private void initDatas() {
PresenterImpl presenter = new PresenterImpl();
presenter.showGouWuCheToView(new ModelImpl(),this);
}
private void initViews() {
expandableListView = findViewById(R.id.expandable_list_view);
checkBox = findViewById(R.id.cb);
tv_sum = findViewById(R.id.tv_sum);
jisuan = findViewById(R.id.jisuan);
checkBox.setOnClickListener(this);
jisuan.setOnClickListener(this);
}
//点击事件
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.cb:
break;
case R.id.jisuan:
break;
}
}
//展示购物车数据
@Override
public void showGowWuList(List list) {
Log.d(TAG, "showGowWuList: "+list);
MyAdapter myAdapter = new MyAdapter(MainActivity.this, list);
expandableListView.setAdapter(myAdapter);
//展开expandablelistview
int childCount = expandableListView.getCount();
for (int i = 0; i < childCount; i++) {
expandableListView.expandGroup(i);
}
}
}
//View层IMainView
public interface IMainView {
//显示数据
void showGowWuList(List list);
} // adapter适配器
package com.daydayup.day14_gouwuche.adapters;
import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.CheckBox;
import android.widget.ExpandableListAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import com.bumptech.glide.Glide;
import com.daydayup.day14_gouwuche.R;
import com.daydayup.day14_gouwuche.model.GouWuBean;
import java.util.List;
/**
* Created by gjl on 2018/4/25.
*/
public class MyAdapter extends BaseExpandableListAdapter {
private Context context;
private List list;
public MyAdapter(Context context, List list) {
this.list = list;
this.context = context;
}
@Override
public int getGroupCount() {
return list.size();
}
@Override
public int getChildrenCount(int groupPosition) {
return list.get(groupPosition).getList().size();
}
@Override
public Object getGroup(int groupPosition) {
return list.get(groupPosition);
}
@Override
public Object getChild(int groupPosition, int childPosition) {
return list.get(groupPosition).getList().get(childPosition);
}
@Override
public long getGroupId(int groupPosition) {
return groupPosition;
}
@Override
public long getChildId(int groupPosition, int childPosition) {
return childPosition;
}
@Override
public boolean hasStableIds() {
return true;
}
@Override
public View getGroupView(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {
ParentViewHolder parentViewHolder=null;
if (convertView==null){
convertView=View.inflate(context, R.layout.item_parent,null);
CheckBox checkBox=convertView.findViewById(R.id.parent_cb);
TextView textView=convertView.findViewById(R.id.parent_title);
parentViewHolder=new ParentViewHolder(checkBox,textView);
convertView.setTag(parentViewHolder);
}else {
parentViewHolder= (ParentViewHolder) convertView.getTag();
}
//赋值
parentViewHolder.getParent_tv().setText(list.get(groupPosition).getSellerName());
return convertView;
}
@Override
public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {
ChildViewHolder childViewHolder=null;
if (convertView==null){
convertView=View.inflate(context, R.layout.item_child,null);
CheckBox child_cb=convertView.findViewById(R.id.child_cb);
TextView child_title=convertView.findViewById(R.id.child_title);
ImageView child_pic=convertView.findViewById(R.id.child_pic);
TextView tv_price=convertView.findViewById(R.id.child_price);
childViewHolder=new ChildViewHolder(child_cb,child_pic,child_title,tv_price);
convertView.setTag(childViewHolder);
}else {
childViewHolder= (ChildViewHolder) convertView.getTag();
}
//赋值
List child_list = this.list.get(groupPosition).getList();
childViewHolder.getChild_title().setText(child_list.get(childPosition).getTitle());
childViewHolder.getChild_price().setText(child_list.get(childPosition).getPrice()+"");
String images = child_list.get(childPosition).getImages();
String pic_url = images.split("\\|")[0];
Glide.with(context).load(pic_url).into(childViewHolder.getChild_pic());
return convertView;
}
@Override
public boolean isChildSelectable(int groupPosition, int childPosition) {
return false;
}
//父布局的ViewHolder
public class ParentViewHolder{
private CheckBox parent_cb;
private TextView parent_tv;
public ParentViewHolder(CheckBox parent_cb, TextView parent_tv) {
this.parent_cb = parent_cb;
this.parent_tv = parent_tv;
}
public CheckBox getParent_cb() {
return parent_cb;
}
public void setParent_cb(CheckBox parent_cb) {
this.parent_cb = parent_cb;
}
public TextView getParent_tv() {
return parent_tv;
}
public void setParent_tv(TextView parent_tv) {
this.parent_tv = parent_tv;
}
}
//子布局的ViewHolder
public class ChildViewHolder{
private CheckBox child_cb;
private ImageView child_pic;
private TextView child_title;
private TextView child_price;
public ChildViewHolder(CheckBox child_cb, ImageView child_pic, TextView child_title, TextView child_price) {
this.child_cb = child_cb;
this.child_pic = child_pic;
this.child_title = child_title;
this.child_price = child_price;
}
public CheckBox getChild_cb() {
return child_cb;
}
public void setChild_cb(CheckBox child_cb) {
this.child_cb = child_cb;
}
public ImageView getChild_pic() {
return child_pic;
}
public void setChild_pic(ImageView child_pic) {
this.child_pic = child_pic;
}
public TextView getChild_title() {
return child_title;
}
public void setChild_title(TextView child_title) {
this.child_title = child_title;
}
public TextView getChild_price() {
return child_price;
}
public void setChild_price(TextView child_price) {
this.child_price = child_price;
}
}
}
public class HttpConfig {
public static String gouwuche_url = "https://www.zhaoapi.cn/product/getCarts";
}
package com.daydayup.day14_gouwuche.http;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import java.io.File;
import java.io.IOException;
import java.util.Map;
import java.util.Set;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.FormBody;
import okhttp3.Interceptor;
import okhttp3.MediaType;
import okhttp3.MultipartBody;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.RequestBody;
import okhttp3.Response;
/**
* Created by gjl on 2018/4/18.
*/
public class HttpUtils {
private static final String TAG = "HttpUtils-----";
private static HttpUtils httpUtils;
private final int SUCCESS = 0;
private final int ERROR = 1;
private MyHandler myHandler = new MyHandler();
private OkLoadListener okLoadListener;
public static HttpUtils getHttpUtils() {
if (httpUtils == null) {
httpUtils = new HttpUtils();
}
return httpUtils;
}
class MyHandler extends Handler {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case SUCCESS:
//成功
String json = (String) msg.obj;
okLoadListener.okLoadSuccess(json);
break;
case ERROR:
//失败
String error = (String) msg.obj;
okLoadListener.okLoadError(error);
break;
}
}
}
//get
public void okGet(String url) {
OkHttpClient okHttpClient = new OkHttpClient.Builder().addInterceptor(new MyIntercepter()).build();
Request request = new Request.Builder().url(url).build();
Call call = okHttpClient.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
Message message = myHandler.obtainMessage();
message.what = ERROR;
message.obj = e.getMessage();
myHandler.sendMessage(message);
}
@Override
public void onResponse(Call call, Response response) throws IOException {
Message message = myHandler.obtainMessage();
message.what = SUCCESS;
message.obj = response.body().string();
myHandler.sendMessage(message);
}
});
}
public void setOkLoadListener(OkLoadListener okLoadListener) {
this.okLoadListener = okLoadListener;
}
//post
public void okPost(String url, Map params) {
OkHttpClient okHttpClient = new OkHttpClient.Builder().addInterceptor(new MyIntercepter()).build();
FormBody.Builder builder = new FormBody.Builder();
Set keySet = params.keySet();
for (String key :
keySet) {
String value = params.get(key);
builder.add(key, value);
}
FormBody formBody = builder.build();
Request request = new Request.Builder().url(url).post(formBody).build();
Call call = okHttpClient.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
Message message = myHandler.obtainMessage();
message.what = ERROR;
message.obj = e.getMessage();
myHandler.sendMessage(message);
}
@Override
public void onResponse(Call call, Response response) throws IOException {
Message message = myHandler.obtainMessage();
message.what = SUCCESS;
message.obj = response.body().string();
myHandler.sendMessage(message);
}
});
}
//拦截器
class MyIntercepter implements Interceptor {
//intercept 拦截
@Override
public Response intercept(Chain chain) throws IOException {
//添加公共参数
//post 取出原来所有的参数，将之加到新的请求体里面。然后让请求去执行
Request request = chain.request();
//获取请求方法
String method = request.method();
if (method.equals("GET")) {//---------------------------GET 拦截
//取出url地址
String url = request.url().toString();
//拼接公共参数
boolean contains = url.contains("?");
if (contains) {
url = url + "&source=android";
} else {
url = url + "?source=android";
}
Request request1 = request.newBuilder().url(url).build();
Response response = chain.proceed(request1);
return response;
} else if (method.equals("POST")) {//---------------------POST 拦截
RequestBody body = request.body();//请求体
if (body instanceof FormBody) {
//创建新的请求体
FormBody.Builder newBuilder = new FormBody.Builder();
for (int i = 0; i < ((FormBody) body).size(); i++) {
String key = ((FormBody) body).name(i);
String value = ((FormBody) body).value(i);
newBuilder.add(key, value);
}
//添加公共参数
newBuilder.add("source", "android");
FormBody newBody = newBuilder.build();
//创建新的请求体
Request request1 = request.newBuilder().post(newBody).build();
//去请求
Response response = chain.proceed(request1);
return response;
}
}
return null;
}
}
//上传文件（图片）
public void upLoadImage(String url, String path) {//url 要上传的地址。path 要上传的文件路径
//媒体类型
MediaType mediaType = MediaType.parse("image/*");
//multipartbody
MultipartBody.Builder builder = new MultipartBody.Builder().setType(MultipartBody.FORM);
File file = new File(path);
MultipartBody multipartBody = builder.addFormDataPart("file", file.getName(), RequestBody.create(mediaType, file)).build();
OkHttpClient okHttpClient = new OkHttpClient();
Request request = new Request.Builder().url(url).post(multipartBody).build();
Call call = okHttpClient.newCall(request);
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
Log.d(TAG, "上传失败0----: ");
}
@Override
public void onResponse(Call call, Response response) throws IOException {
Log.d(TAG, "上传成功: ");
}
});
}
}
public interface OkLoadListener {
void okLoadSuccess(String json);
void okLoadError(String error);
}//GouWuBean
package com.daydayup.day14_gouwuche.model;
import java.util.List;
/**
* Created by gjl on 2018/4/25.
*/
public class GouWuBean {
/**
* msg : 请求成功
* code : 0
* data : [{"list":[],"sellerName":"","sellerid":"0"},{"list":[{"bargainPrice":11800,"createtime":"2017-10-10T17:33:37","detailUrl":"https://item.m.jd.com/product/4338107.htmlChildBeanutm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t6700/155/2098998076/156185/6cf95035/595dd5a5Nc3a7dab5.jpg!q70.jpg","num":2,"pid":57,"price":5199,"pscid":40,"selected":0,"sellerid":1,"subhead":"【i5 MX150 2G显存】全高清窄边框 8G内存 256固态硬盘 支持指纹识别 预装WIN10系统","title":"小米(MI)Air 13.3英寸全金属轻薄笔记本(i5-7200U 8G 256G PCle SSD MX150 2G独显 FHD 指纹识别 Win10）银 "}],"sellerName":"商家1","sellerid":"1"},{"list":[{"bargainPrice":3455,"createtime":"2017-10-03T23:53:28","detailUrl":"https://item.m.jd.com/product/12224420750.htmlChildBeanutm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9106/106/1785172479/537280/253bc0ab/59bf78a7N057e5ff7.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t9106/106/1785172479/537280/253bc0ab/59bf78a7N057e5ff7.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8461/5/1492479653/68388/7255e013/59ba5e84N91091843.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8461/5/1492479653/68388/7255e013/59ba5e84N91091843.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8803/356/1478945529/489755/2a163ace/59ba5e84N7bb9a666.jpg!q70.jpg","num":5,"pid":54,"price":888,"pscid":39,"selected":0,"sellerid":10,"subhead":"【现货新品抢购】全面屏2.0震撼来袭，骁龙835处理器，四曲面陶瓷机","title":"小米（MI） 小米MIX2 手机 黑色 全网通 (6GB+64GB)【标配版】"}],"sellerName":"商家10","sellerid":"10"},{"list":[{"bargainPrice":3455,"createtime":"2017-10-14T21:38:26","detailUrl":"https://item.m.jd.com/product/12224420750.htmlChildBeanutm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9106/106/1785172479/537280/253bc0ab/59bf78a7N057e5ff7.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t9106/106/1785172479/537280/253bc0ab/59bf78a7N057e5ff7.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8461/5/1492479653/68388/7255e013/59ba5e84N91091843.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8461/5/1492479653/68388/7255e013/59ba5e84N91091843.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8803/356/1478945529/489755/2a163ace/59ba5e84N7bb9a666.jpg!q70.jpg","num":1,"pid":56,"price":99,"pscid":39,"selected":0,"sellerid":12,"subhead":"【现货新品抢购】全面屏2.0震撼来袭，骁龙835处理器，四曲面陶瓷机","title":"小米（MI） 小米MIX2 手机 黑色 全网通 (6GB+64GB)【标配版】"},{"bargainPrice":11800,"createtime":"2017-10-14T21:48:08","detailUrl":"https://mitem.jd.hk/ware/view.actionChildBeanwareId=1988853309&cachekey=1acb07a701ece8d2434a6ae7fa6870a1","images":"https://m.360buyimg.com/n0/jfs/t6130/97/1370670410/180682/1109582a/593276b1Nd81fe723.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5698/110/2617517836/202970/c9388feb/593276b7Nbd94ef1f.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5815/178/2614671118/51656/7f52d137/593276c7N107b725a.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5878/60/2557817477/30873/4502b606/593276caN5a7d6357.jpg!q70.jpg","num":1,"pid":68,"price":15000,"pscid":40,"selected":0,"sellerid":12,"subhead":"购买电脑办公部分商品满1元返火车票5元优惠券（返完即止）","title":"全球购 新款Apple MacBook Pro 苹果笔记本电脑 银色VP2新13英寸Bar i5/8G/256G"}],"sellerName":"商家12","sellerid":"12"}]
*/
private String msg;
private String code;
private List 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 List getData() {
return data;
}
public void setData(List data) {
this.data = data;
}
public static class DataBean {
/**
* list : []
* sellerName :
* sellerid : 0
*/
private String sellerName;
private String sellerid;
private List list;
public String getSellerName() {
return sellerName;
}
public void setSellerName(String sellerName) {
this.sellerName = sellerName;
}
public String getSellerid() {
return sellerid;
}
public void setSellerid(String sellerid) {
this.sellerid = sellerid;
}
public List getList() {
return list;
}
public void setList(List list) {
this.list = list;
}
}
public class ChildBean{
/**
* bargainPrice : 11800
* createtime : 2017-10-10T17:33:37
* detailUrl : https://item.m.jd.com/product/4338107.htmlChildBeanutm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends
* images : https://m.360buyimg.com/n0/jfs/t6700/155/2098998076/156185/6cf95035/595dd5a5Nc3a7dab5.jpg!q70.jpg
* num : 2
* pid : 57
* price : 5199
* pscid : 40
* selected : 0
* sellerid : 1
* subhead : 【i5 MX150 2G显存】全高清窄边框 8G内存 256固态硬盘 支持指纹识别 预装WIN10系统
* title : 小米(MI)Air 13.3英寸全金属轻薄笔记本(i5-7200U 8G 256G PCle SSD MX150 2G独显 FHD 指纹识别 Win10）银
*/
private double bargainPrice;
private String createtime;
private String detailUrl;
private String images;
private int num;
private int pid;
private double price;
private int pscid;
private int selected;
private int sellerid;
private String subhead;
private String title;
public double getBargainPrice() {
return bargainPrice;
}
public void setBargainPrice(double 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 double getPrice() {
return price;
}
public void setPrice(double 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 interface GouWuCheListener {
void getDataSuccess(String json);
void getDataError(String error);
}
//IModel类
public interface IModel {
//获取购物车数据
void getGouWuCheData(String url, Map map,GouWuCheListener gouWuCheListener);
} public class ModelImpl implements IModel {
private static final String TAG = "ModelImpl---";
@Override
public void getGouWuCheData(String url, Map map, final GouWuCheListener gouWuCheListener) {
HttpUtils httpUtils = HttpUtils.getHttpUtils();
httpUtils.okPost(url, map);
httpUtils.setOkLoadListener(new OkLoadListener() {
@Override
public void okLoadSuccess(String json) {
Log.d(TAG, "okLoadSuccess: "+json);
gouWuCheListener.getDataSuccess(json);
}
@Override
public void okLoadError(String error) {
Log.d(TAG, "okLoadError: "+error);
gouWuCheListener.getDataError(error);
}
});
}
} //IPresenter类
public interface IPresenter {
void showGouWuCheToView(IModel iModel, IMainView iMainView);
}//PresenterImpl类
public class PresenterImpl implements IPresenter {
private static final String TAG = "PresenterImpl----";
//显示数据
@Override
public void showGouWuCheToView(IModel iModel, final IMainView iMainView) {
Map map = new HashMap<>();
map.put("uid", "71");
iModel.getGouWuCheData(HttpConfig.gouwuche_url, map, new GouWuCheListener() {
@Override
public void getDataSuccess(String json) {
Gson gson = new Gson();
GouWuBean gouWuBean = gson.fromJson(json, GouWuBean.class);
List list = gouWuBean.getData();
//传入view
iMainView.showGowWuList(list);
}
@Override
public void getDataError(String error) {
Log.d(TAG, "error: " + error);
}
});
}
}