Android仿京東App購物車 二級列表+全選反選＋Ok封裝+攔截器+結算+商品數量計算(完整程式碼)
複製即用,閱讀即懂
需要注入依賴和網路許可權ImageLoader的App
//Ok請求
compile 'com.squareup.okhttp3:okhttp:3.9.1'
//Gson解析
compile 'com.google.code.gson:gson:2.2.4'
//EventBus傳遞
compile 'org.greenrobot:eventbus:3.1.1'
//ImageLoader
compile files('libs/universal-image-loader-1.9.5.jar')
主佈局頭部佈局加二級列表(activity_main)
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ExpandableListView
android:id="@+id/ex"
android:layout_width="match_parent"
android:layout_height="match_parent"></ExpandableListView>
<!--底部檢視-->
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="60dp"
android:layout_alignParentBottom="true"
android:background="#F00">
<CheckBox
android:id="@+id/selectAll"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_marginLeft="10dp" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_marginLeft="10dp"
android:layout_toRightOf="@id/selectAll"
android:text="全選"
android:textColor="#000"
android:textSize="18sp" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_marginLeft="80dp"
android:layout_toRightOf="@id/selectAll"
android:text="總價:"
android:textColor="#000"
android:textSize="18sp" />
<TextView
android:id="@+id/price"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_marginLeft="130dp"
android:layout_toRightOf="@id/selectAll"
android:text="0.0"
android:textColor="#000"
android:textSize="18sp" />
<RelativeLayout
android:layout_width="120dp"
android:layout_height="match_parent"
android:layout_alignParentRight="true"
android:background="#FF0">
<TextView
android:id="@+id/count"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:text="個數"
android:textColor="#000"
android:textSize="18sp" />
</RelativeLayout>
</RelativeLayout>
</RelativeLayout>
商家店鋪名稱,一級標題佈局(layout_group)
<?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="match_parent">
<CheckBox
android:id="@+id/checkGroup"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp" />
<TextView
android:id="@+id/storeName"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="5dp"
android:layout_toRightOf="@id/checkGroup"
android:text="淘寶店鋪名稱"
android:textColor="#000"
android:textSize="20dp" />
</RelativeLayout>
商品列表,二級標題佈局(layout_child)
<?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">
<CheckBox
android:id="@+id/checkChild"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:layout_marginLeft="5dp"
android:scaleX="0.6"
android:scaleY="0.6" />
<ImageView
android:id="@+id/img"
android:layout_width="70dp"
android:layout_height="80dp"
android:layout_centerVertical="true"
android:layout_marginLeft="5dp"
android:layout_toRightOf="@id/checkChild"
android:background="@mipmap/ic_launcher" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginTop="15dp"
android:layout_toRightOf="@id/img"
android:orientation="vertical">
<TextView
android:id="@+id/title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="酒紅色純紅色純羊毛西服套裝"
android:textColor="@android:color/black"
android:textSize="12sp"
android:textStyle="bold" />
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginTop="24dp"
android:orientation="horizontal">
<TextView
android:id="@+id/price"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="￥390"
android:textColor="@android:color/holo_red_dark"
android:textSize="12sp"
android:textStyle="bold" />
<LinearLayout
android:id="@+id/rl_edit"
android:layout_width="120dp"
android:layout_height="30dp"
android:layout_marginLeft="50dp"
android:background="@android:color/holo_orange_light">
<TextView
android:id="@+id/lessen"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_margin="1dp"
android:layout_weight="1"
android:background="@android:color/white"
android:gravity="center"
android:text=" - "
android:textColor="@android:color/black" />
<TextView
android:id="@+id/count"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_margin="1dp"
android:layout_weight="1"
android:background="@android:color/white"
android:gravity="center"
android:text="1" />
<TextView
android:id="@+id/add"
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_margin="1dp"
android:layout_weight="1"
android:background="@android:color/white"
android:gravity="center"
android:text=" + " />
</LinearLayout>
</LinearLayout>
</LinearLayout>
<Button
android:id="@+id/btnDelete"
android:layout_width="30dp"
android:layout_height="30dp"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:layout_margin="5dp"
android:background="@android:color/holo_blue_light"
android:gravity="center"
android:text="x"
android:textColor="@android:color/holo_green_dark"
android:textSize="20sp"
android:visibility="visible" />
</RelativeLayout>
自定義攔截器(Intercept)
import java.io.IOException;
import okhttp3.HttpUrl;
import okhttp3.Interceptor;
import okhttp3.Request;
import okhttp3.Response;
/**
* author:Created by ZhangPengFei on 2017/12/19.
*/
public class Intercept implements Interceptor {
@Override
public Response intercept(Chain chain) throws IOException {
Request original = chain.request();
HttpUrl url=original.url().newBuilder()
.addQueryParameter("source","android")
.build();
//新增請求頭
Request request = original.newBuilder()
.url(url)
.build();
return chain.proceed(request);
}
}
Ok封裝的工具請求類(OKHttpUtils)
/**
* author:Created by ZhangPengFei on 2017/12/19.
*/
import android.os.Handler;
import android.util.Log;
import java.io.IOException;
import java.util.Map;
import okhttp3.Call;
import okhttp3.Callback;
import okhttp3.OkHttpClient;
import okhttp3.Request;
import okhttp3.Response;
/**
* author:Created by WangZhiQiang on 2017/12/5.
*/
public class OKHttpUtils {
private static OKHttpUtils okHttpUtils;
private static Handler handler = new Handler();
//私有化構造方法
public OKHttpUtils() {
}
/**
* 獲取OKhttpClient例項化
*/
public static OKHttpUtils getInstance() {
if (null == okHttpUtils) {
synchronized (OKHttpUtils.class) {
if (null == okHttpUtils) {
okHttpUtils = new OKHttpUtils();
}
}
}
return okHttpUtils;
}
/**
* 封裝的非同步Get請求
*/
public void doGet(String path, Map<String, String> map, final IOkHttpUtils okHttpCallBack) {
//建立一個字串容器
StringBuilder sb = null;
if (map.size() == 0) {
if (null == sb) {
sb = new StringBuilder();
sb.append(path);
}
} else {
for (String key : map.keySet()) {
if (null == sb) {
sb = new StringBuilder();
sb.append(path);
sb.append("?");
} else {
sb.append("&");
}
sb.append(key).append("=").append(map.get(key));
}
}
//System.out.println("分類 : "+path + sb.toString());
OkHttpClient okHttpClient = new OkHttpClient.Builder()
.addInterceptor(new Intercept())//使用攔截器
.build();
Request request = new Request.Builder()
.url(sb.toString())
.get()
.build();
//OKHttp 網路
Call call = okHttpClient.newCall(request);
//非同步請求
call.enqueue(new Callback() {
@Override
public void onFailure(Call call, IOException e) {
//請求失敗
Log.e("SKN", "OK請求失敗");
okHttpCallBack.onFailed(e.getMessage());
}
@Override
public void onResponse(Call call, final Response response) throws IOException {
final String str = response.body().string();
//請求成功
handler.post(new Runnable() {
@Override
public void run() {
Log.e("WWWW", "請求成功" + str);
okHttpCallBack.onSuccess(str);
}
});
}
});
}
}
Ok封裝工具類的介面(IOkHttpUtils)
/**
* author:Created by ZhangPengFei on 2017/12/19.
*/
/**
* author:Created by Androidon 2017/12/10.
*/
public interface IOkHttpUtils {
void onSuccess(String str);
void onFailed(String message);
}
ImageLoader工具封裝類
import android.app.Application;
import com.nostra13.universalimageloader.cache.memory.impl.UsingFreqLimitedMemoryCache;
import com.nostra13.universalimageloader.core.DisplayImageOptions;
import com.nostra13.universalimageloader.core.ImageLoader;
import com.nostra13.universalimageloader.core.ImageLoaderConfiguration;
import com.nostra13.universalimageloader.core.assist.QueueProcessingType;
import com.nostra13.universalimageloader.core.download.BaseImageDownloader;
/**
* author:Created by ZhangPengFei on 2017/12/19.
*/
public class ImageApp extends Application {
@Override
public void onCreate() {
super.onCreate();
ImageLoaderConfiguration config = new ImageLoaderConfiguration
.Builder(this)
.memoryCacheExtraOptions(480, 800) // max width, max height，即儲存的每個快取檔案的最大長寬
.threadPoolSize(5)//執行緒池內載入的數量
.threadPriority(Thread.NORM_PRIORITY - 2)
.denyCacheImageMultipleSizesInMemory()
.memoryCache(new UsingFreqLimitedMemoryCache(2 * 1024 * 1024)) // You can pass your own memory cache implementation/你可以通過自己的記憶體快取實現
.memoryCacheSize(2 * 1024 * 1024)
.tasksProcessingOrder(QueueProcessingType.LIFO)
.defaultDisplayImageOptions(DisplayImageOptions.createSimple())
.imageDownloader(new BaseImageDownloader(this, 5 * 1000, 30 * 1000)) // connectTimeout (5 s), readTimeout (30 s)超時時間
.writeDebugLogs() // Remove for release app
.build();//開始構建
//初始化ImageLoader
ImageLoader.getInstance().init(config);
}
}
Json串的Bean類(JsonBean)
import java.util.List;
/**
* author:Created by ZhangPengFei on 2017/12/19.
*/
public class JsonBean {
/**
* msg : 請求成功
* code : 0
* data : [{"list":[{"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"},{"bargainPrice":159,"createtime":"2017-10-14T21:49:15","detailUrl":"https://item.m.jd.com/product/5061723.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t8716/197/1271594444/173291/2f40bb4f/59b743bcN8509428e.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8347/264/1286771527/92188/5cf5ec04/59b7420fN65378e9e.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7363/165/3000956253/190883/179a372/59b743bfNd0c79d93.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7399/112/2935531768/183594/b77c7d4a/59b7441aNc3d40133.jpg!q70.jpg","num":7,"pid":90,"price":1233,"pscid":112,"selected":0,"sellerid":1,"subhead":"針織針織閃閃閃亮你的眼","title":"維邇旎 2017秋冬新款長袖針織連衣裙韓版氣質中長款名媛包臀A字裙 zx179709 黑色 XL"},{"bargainPrice":99,"createtime":"2017-10-14T21:38:26","detailUrl":"https://item.m.jd.com/product/4345173.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t6037/35/2944615848/95178/6cd6cff0/594a3a10Na4ec7f39.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t6607/258/1025744923/75738/da120a2d/594a3a12Ne3e6bc56.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t6370/292/1057025420/64655/f87644e3/594a3a12N5b900606.jpg!q70.jpg","num":1,"pid":45,"price":2999,"pscid":39,"selected":0,"sellerid":1,"subhead":"高清雙攝，就是清晰！2000+1600萬高清攝像頭，6GB大記憶體+高通驍龍835處理器，效能怪獸！","title":"一加手機5 (A5000) 6GB+64GB 月岩灰 全網通 雙卡雙待 移動聯通電信4G手機"},{"bargainPrice":11800,"createtime":"2017-10-10T17:33:37","detailUrl":"https://item.m.jd.com/product/4338107.html?utm#_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":1,"pid":57,"price":5199,"pscid":40,"selected":0,"sellerid":1,"subhead":"【i5 MX150 2G視訊記憶體】全高清窄邊框 8G記憶體 256固態硬碟 支援指紋識別 預裝WIN10系統","title":"小米(MI)Air 13.3英寸全金屬輕薄筆記本(i5-7200U 8G 256G PCle SSD MX150 2G獨顯 FHD 指紋識別 Win10）銀\r\n"}],"sellerName":"商家1","sellerid":"1"},{"list":[{"bargainPrice":159,"createtime":"2017-10-14T21:49:15","detailUrl":"https://item.m.jd.com/product/5061723.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t8716/197/1271594444/173291/2f40bb4f/59b743bcN8509428e.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8347/264/1286771527/92188/5cf5ec04/59b7420fN65378e9e.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7363/165/3000956253/190883/179a372/59b743bfNd0c79d93.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7399/112/2935531768/183594/b77c7d4a/59b7441aNc3d40133.jpg!q70.jpg","num":1,"pid":91,"price":1344,"pscid":112,"selected":0,"sellerid":2,"subhead":"針織針織閃閃閃亮你的眼","title":"維邇旎 2017秋冬新款長袖針織連衣裙韓版氣質中長款名媛包臀A字裙 zx179709 黑色 XL"},{"bargainPrice":11800,"createtime":"2017-10-14T21:38:26","detailUrl":"https://item.m.jd.com/product/5025518.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t8830/106/1760940277/195595/5cf9412f/59bf2ef5N5ab7dc16.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5428/70/1520969931/274676/b644dd0d/591128e7Nd2f70da0.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t5566/365/1519564203/36911/620c750c/591128eaN54ac3363.jpg!q70.jpg","num":1,"pid":58,"price":6399,"pscid":40,"selected":0,"sellerid":2,"subhead":"升級4G大視訊記憶體！Nvme協議Pcie SSD,速度快人一步】GTX1050Ti就選拯救者！專業遊戲鍵盤&新模具全新設計！","title":"聯想(Lenovo)拯救者R720 15.6英寸遊戲膝上型電腦(i5-7300HQ 8G 1T+128G SSD GTX1050Ti 4G IPS 黑)"}],"sellerName":"商家2","sellerid":"2"}]
*/
private String msg;
private String code;
private List<DataBean> 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<DataBean> getData() {
return data;
}
public void setData(List<DataBean> data) {
this.data = data;
}
public static class DataBean {
public boolean isChecked() {
return checked;
}
public void setChecked(boolean checked) {
this.checked = checked;
}
/**
* list : [{"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"},{"bargainPrice":159,"createtime":"2017-10-14T21:49:15","detailUrl":"https://item.m.jd.com/product/5061723.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t8716/197/1271594444/173291/2f40bb4f/59b743bcN8509428e.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t8347/264/1286771527/92188/5cf5ec04/59b7420fN65378e9e.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7363/165/3000956253/190883/179a372/59b743bfNd0c79d93.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7399/112/2935531768/183594/b77c7d4a/59b7441aNc3d40133.jpg!q70.jpg","num":7,"pid":90,"price":1233,"pscid":112,"selected":0,"sellerid":1,"subhead":"針織針織閃閃閃亮你的眼","title":"維邇旎 2017秋冬新款長袖針織連衣裙韓版氣質中長款名媛包臀A字裙 zx179709 黑色 XL"},{"bargainPrice":99,"createtime":"2017-10-14T21:38:26","detailUrl":"https://item.m.jd.com/product/4345173.html?utm#_source=androidapp&utm#_medium=appshare&utm#_campaign=t#_335139774&utm#_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t6037/35/2944615848/95178/6cd6cff0/594a3a10Na4ec7f39.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t6607/258/1025744923/75738/da120a2d/594a3a12Ne3e6bc56.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t6370/292/1057025420/64655/f87644e3/594a3a12N5b900606.jpg!q70.jpg","num":1,"pid":45,"price":2999,"pscid":39,"selected":0,"sellerid":1,"subhead":"高清雙攝，就是清晰！2000+1600萬高清攝像頭，6GB大記憶體+高通驍龍835處理器，效能怪獸！","title":"一加手機5 (A5000) 6GB+64GB 月岩灰 全網通 雙卡雙待 移動聯通電信4G手機"},{"bargainPrice":11800,"createtime":"2017-10-10T17:33:37","detailUrl":"https://item.m.jd.com/product/4338107.html?utm#_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":1,"pid":57,"price":5199,"pscid":40,"selected":0,"sellerid":1,"subhead":"【i5 MX150 2G視訊記憶體】全高清窄邊框 8G記憶體 256固態硬碟 支援指紋識別 預裝WIN10系統","title":"小米(MI)Air 13.3英寸全金屬輕薄筆記本(i5-7200U 8G 256G PCle SSD MX150 2G獨顯 FHD 指紋識別 Win10）銀\r\n"}]
* sellerName : 商家1
* sellerid : 1
*/
private boolean checked;
private String sellerName;
private String sellerid;
private List<ListBean> 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<ListBean> getList() {
return list;
}
public void setList(List<ListBean> list) {
this.list = list;
}
public static class ListBean {
public boolean isChecked() {
return checked;
}
public void setChecked(boolean checked) {
this.checked = checked;
}
/**
* 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 : 288.0
* 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 boolean checked;
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;
}
}
}
}
主佈局(MainActivity)
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.widget.CheckBox;
import android.widget.ExpandableListView;
import android.widget.TextView;
import org.greenrobot.eventbus.EventBus;
import org.greenrobot.eventbus.Subscribe;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity implements IShopCarPresenter {
private ExpandableListView ex;
private CheckBox selectAll;
private TextView price;
private TextView count;
private ShopCarPresenter shopCarPresenter;
private int uid = 3384;
private List<JsonBean.DataBean> groupList = new ArrayList<>();
private List<List<JsonBean.DataBean.ListBean>> childList = new ArrayList<>();
private MyExAdapter myAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
initView();//初始化檢視
/**
* 用於傳控制元件,
* 需要匯入依賴才可以進行傳送
*/
EventBus.getDefault().register(this); //全選/全不選
selectAll.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//設定全選
myAdapter.changeAllListCbState(selectAll.isChecked());
}
});
}
//每次進這個頁面都要甩你
@Override
protected void onResume() {
super.onResume();
initData();//初始化資料
}
//初始化資料
private void initData() {
//例項化P層
shopCarPresenter = new ShopCarPresenter(this);
shopCarPresenter.receive(uid + "");
}
//初始化集合
private void initView() {
ex = (ExpandableListView) findViewById(R.id.ex);//二級列表
selectAll = (CheckBox) findViewById(R.id.selectAll);//全選按鈕
price = (TextView) findViewById(R.id.price);//價格
count = (TextView) findViewById(R.id.count);//數量
}
@Override
public void onSuccess(List<JsonBean.DataBean> data) {
//清空一下多餘的列表展示
groupList.clear();
childList.clear();
//將商家的資料加入到大集合grouList
groupList.addAll(data);
//將商家下商品的資料全部新增到小集合childList
for (int i = 0; i < data.size(); i++) {
List<JsonBean.DataBean.ListBean> list = data.get(i).getList();
childList.add(list);
}
/**
* 配置介面卡
* 將商家的大集合和商家下的商品小集合全部傳到介面卡
*/
myAdapter = new MyExAdapter(MainActivity.this, groupList, childList);
ex.setAdapter(myAdapter);
//二級列表預設展開
for (int i = 0; i < data.size(); i++) {
ex.expandGroup(i);//二級列表自帶的方法
}
//重新整理一下介面卡
myAdapter.notifyDataSetChanged();
}
@Override
public void onFailed() {
}
@Subscribe
public void onMessageEvent(MessageEvent event) {
selectAll.setChecked(event.isCheckd());
}
//計算總價和總數量
@Subscribe
public void onMessageEven(PriceAndCountEvent event) {
price.setText(event.getPrice() + ".00");
count.setText("(" + event.getCount() + ")");
}
}
P層(ShopCarPresenter)
import java.util.List;
/**
* author:Created by ZhangPengFei on 2017/12/19.
*/
public class ShopCarPresenter implements IShopCarModel {
private ShopCarModel shopCarModel;
private IShopCarPresenter iShopCarPresenter;
public ShopCarPresenter(IShopCarPresenter iShopCarPresenter) {
this.iShopCarPresenter = iShopCarPresenter;
shopCarModel = new ShopCarModel();
}
public void receive(String uid) {
shopCarModel.receive(uid,this);
}
@Override
public void onSuccess(List<JsonBean.DataBean> data) {
iShopCarPresenter.onSuccess(data);
}
@Override
public void onFailed() {
iShopCarPresenter.onFailed();
}
}
M層(ShopCarModel)
import com.google.gson.Gson;
import java.util.HashMap;
import java.util.List;
/**
* author:Created by ZhangPengFei on 2017/12/19.
*/
public class ShopCarModel {
public void receive(String uid, final IShopCarModel iShopCarModel) {
OKHttpUtils instance = OKHttpUtils.getInstance();
HashMap<String, String> hashMap = new HashMap<>();
hashMap.put("uid",uid);
instance.doGet("http://120.27.23.105/product/getCarts", hashMap, new IOkHttpUtils() {
@Override
public void onSuccess(String str) {
if(str!=null){
Gson gson = new Gson();
JsonBean jsonBean = gson.fromJson(str, JsonBean.class);
if(jsonBean!=null){
List<JsonBean.DataBean> data = jsonBean.getData();
iShopCarModel.onSuccess(data);
}
}
}
@Override
public void onFailed(String message) {
iShopCarModel.onFailed();
}
});
}
}
M層傳值的介面(IShopCarModel)
import java.util.List;
/**
* author:Created by ZhangPengFei on 2017/12/19.
*/
public interface IShopCarModel {
void onSuccess(List<JsonBean.DataBean> data);
void onFailed();
}
P層傳值的介面(IShopCarPresenter)
import java.util.List;
/**
* author:Created by ZhangPengFei on 2017/12/19.
*/
public interface IShopCarPresenter {
void onSuccess(List<JsonBean.DataBean> data);
void onFailed();
}
Event用於在介面卡和Activity之間傳送接收控制元件的介面卡(MessageEvent)
/**
* Created by HASEE on 2017/11/22.
*/
public class MessageEvent {
private boolean checkd;
public boolean isCheckd(){
return checkd;
}
public void setCheckd(boolean checkd){
this.checkd=checkd;
}
}
計算選中數量和價格的介面卡(PriceAndCountEvent)
/**
* Created by HASEE on 2017/11/22.
*/
public class PriceAndCountEvent {
private int price;
private int count;
private int to;
public int getPrice() {
return price;
}
public int getCount() {
return count;
}
public int getTo(){
return to;
}
public void setPrice(int price) {
this.price = price;
}
public void setCount(int count) {
this.count = count;
}
public void setTo(int to) {
this.to = to;
}
}
ExpandAbleListView二級列表的介面卡(MyExAdapter)
import android.content.Context;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseExpandableListAdapter;
import android.widget.Button;
import android.widget.CheckBox;
import android.widget.ImageView;
import android.widget.TextView;
import com.nostra13.universalimageloader.core.ImageLoader;
import org.greenrobot.eventbus.EventBus;
import java.util.List;
/**
* author:Created by ZhangPengFei on 2017/12/19.
*/
public class MyExAdapter extends BaseExpandableListAdapter {
private Context context;
private List<JsonBean.DataBean> groupList;
private List<List<JsonBean.DataBean.ListBean>> childList;
public MyExAdapter(Context context, List<JsonBean.DataBean> groupList, List<List<JsonBean.DataBean.ListBean>> childList) {
this.context = context;
this.groupList = groupList;
this.childList = childList;
}
@Override
public int getGroupCount() {
return groupList.size();
}
@Override
public int getChildrenCount(int i) {
return childList.get(i).size();
}
@Override
public Object getGroup(int i) {
return groupList.get(i);
}
@Override
public Object getChild(int i, int i1) {
return childList.get(i).get(i1);
}
@Override
public long getGroupId(int i) {
return i;
}
@Override
public long getChildId(int i, int i1) {
return i1;
}
@Override
public boolean hasStableIds() {
return false;
}
/**
* 裝載一級列表資料
* 商家的全選框
* 商家名稱
*/
class ViewHolder {
CheckBox checkGroup;
TextView storeName;
}
@Override
public View getGroupView(final int i, boolean b, View view, ViewGroup viewGroup) {
final ViewHolder holder;
if (view == null) {
holder = new ViewHolder();
view = View.inflate(context, R.layout.layout_group, null);
holder.checkGroup = view.findViewById(R.id.checkGroup);
holder.storeName = view.findViewById(R.id.storeName);
view.setTag(holder);
} else {
holder = (ViewHolder) view.getTag();
}
holder.storeName.setText(groupList.get(i).getSellerName());
//設定以及列表的點選狀態
holder.checkGroup.setChecked(groupList.get(i).isChecked());
//一級列表checkBox的點選事件
holder.checkGroup.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//判斷一級列表核取方塊的狀態,設定為true或false
groupList.get(i).setChecked(holder.checkGroup.isChecked());
//改變二級checkBox的狀態
changeChildState(i, holder.checkGroup.isChecked());
//算錢
EventBus.getDefault().post(computer());
//改變全選狀態 isAllGroupCbSelect判斷一級是否全部選中
changeAllState(isAllGroupSelect());
//必重新整理
notifyDataSetChanged();
}
});
return view;
}
/**
* 裝載資料
* 裝載當前店鋪下的
* 要展示的商品
*/
class ViewHolder1 {
CheckBox checkChild;
ImageView img;
TextView title;
TextView price;
TextView lessen;
TextView count;
TextView add;
Button btnDelete;
}
@Override
public View getChildView(final int i, int i1, boolean b, View view, ViewGroup viewGroup) {
final JsonBean.DataBean.ListBean bean = childList.get(i).get(i1);
final ViewHolder1 holder1;
/**
* 優化,判斷為空
*/
if (view == null) {
holder1 = new ViewHolder1();
//獲取檢視
view = View.inflate(context, R.layout.layout_child, null);
/**
* 獲取ID
*/
holder1.checkChild = view.findViewById(R.id.checkChild);//選框
holder1.img = view.findViewById(R.id.img);//圖片
holder1.title = view.findViewById(R.id.title);//標題
holder1.price = view.findViewById(R.id.price);//價格
holder1.lessen = view.findViewById(R.id.lessen);//減
holder1.count = view.findViewById(R.id.count);//數量
holder1.add = view.findViewById(R.id.add);//加
holder1.btnDelete = view.findViewById(R.id.btnDelete);//刪除的按鈕
view.setTag(holder1);
} else {
holder1 = (ViewHolder1) view.getTag();
}
ImageLoader.getInstance().displayImage(bean.getImages(), holder1.img);
holder1.title.setText(bean.getTitle());
holder1.price.setText(bean.getPrice() + "");
holder1.count.setText(bean.getNum() + "");
//設定二級列表checkbox的屬性
holder1.checkChild.setChecked(childList.get(i).get(i1).isChecked());
//二級列表的點選事件
holder1.checkChild.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
//設定該條目中的checkbox屬性值
bean.setChecked(holder1.checkChild.isChecked());
//計算價錢
PriceAndCountEvent priceAndCountEvent = computer();
EventBus.getDefault().post(priceAndCountEvent);
//判斷當前checkbox是選中的狀態
if (holder1.checkChild.isChecked()) {
//如果全部選中(isAllChildCbSelected)
if (isAllChildCbSelected(i)) {
//改變一級列表的狀態
changeGroupState(i, true);
//改變全選的狀態
changeAllState(isAllGroupSelect());
}
} else {
//如果沒有全部選中,一級列表的checkbox為false不為選中
changeGroupState(i, false);
changeAllState(isAllGroupSelect());
}
notifyDataSetChanged();
}
});//加號
holder1.add.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
int num = bean.getNum();
//num為int型別所以要加空字串
holder1.count.setText(++num + "");
bean.setNum(num);
//如果二級列表的checkbox為選中,計算價錢
if (holder1.checkChild.isChecked()) {
PriceAndCountEvent priceAndCountEvent = computer();
EventBus.getDefault().post(priceAndCountEvent);
}
}
});
//減號
holder1.lessen.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
int num = bean.getNum();
if (num == 1) {
return;
}
holder1.count.setText(--num + "");
bean.setNum(num);
if (holder1.checkChild.isChecked()) {
PriceAndCountEvent priceAndCountEvent = computer();
EventBus.getDefault().post(priceAndCountEvent);
}
}
});
return view;
}
@Override
public boolean isChildSelectable(int i, int i1) {
return false;
}
//改變二級列表的checkBox的狀態,如果一級選中,控制二級也選中
private void changeChildState(int i, boolean flag) {
List<JsonBean.DataBean.ListBean> listBeen = childList.get(i);
for (int j = 0; j < listBeen.size(); j++) {
JsonBean.DataBean.ListBean listBean = listBeen.get(j);
listBean.setChecked(flag);
}
}
//判斷一級列表是否全部選中
public boolean isAllGroupSelect() {
for (int i = 0; i < childList.size(); i++) {
JsonBean.DataBean dataBean = groupList.get(i);
if (!dataBean.isChecked()) {
return false;
}
}
return true;
}
//改變全選的狀態
private void changeAllState(boolean flag) {
//匯入的類
MessageEvent messageEvent = new MessageEvent();
messageEvent.setCheckd(flag);
EventBus.getDefault().post(messageEvent);
}
//改變列表的checkBox的狀態
private void changeGroupState(int i,boolean flag){
JsonBean.DataBean dataBean = groupList.get(i);
dataBean.setChecked(flag);
}
//判斷二級列表是否全部選中
private boolean isAllChildCbSelected(int i) {
List<JsonBean.DataBean.ListBean> listBeen = childList.get(i);
for (int j = 0; j < listBeen.size(); j++) {
JsonBean.DataBean.ListBean listBean = listBeen.get(j);
if (!listBean.isChecked()) {
return false;
}
}
return true;
}
//設定全選,反選
public void changeAllListCbState(boolean flag) {
for (int i = 0; i < childList.size(); i++) {
changeGroupState(i, flag);
changeChildState(i, flag);
}
//算錢
EventBus.getDefault().post(computer());
notifyDataSetChanged();
}
//計算列表的價錢
private PriceAndCountEvent computer() {
int count = 0;
int price = 0;
int to = 0;
for (int i = 0; i < childList.size(); i++) {
List<JsonBean.DataBean.ListBean> listBeen = childList.get(i);
for (int j = 0; j < listBeen.size(); j++) {
JsonBean.DataBean.ListBean listBean = listBeen.get(j);
if (listBean.isChecked()) {
price += listBean.getNum() * listBean.getPrice();
count += listBean.getNum();
to += listBean.getNum();
}
}
}
PriceAndCountEvent priceAndCountEvent = new PriceAndCountEvent();
priceAndCountEvent.setCount(count);
priceAndCountEvent.setPrice(price);
priceAndCountEvent.setTo(to);
return priceAndCountEvent;
}
}
如果JsonBean類裡面沒有isCheck的有參需要手動新增
//放入DateBean
private boolean checked;
public boolean isChecked() {
return checked;
}
public void setChecked(boolean checked) {
this.checked = checked;
}
//放入ListBean
private boolean checked;
public boolean isChecked() {
return checked;
}
public void setChecked(boolean checked) {
this.checked = checked;
}
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