MVP模式淘宝购物车
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//从上至下
public class DashApplication extends Application { private static Context context; private static Handler handler; private static int mainId; public static boolean isLoginSuccess;//是否已经登录的状态 @Override public void onCreate() { super.onCreate(); //关于context----http://blog.csdn.net/lmj623565791/article/details/40481055 context = getApplicationContext(); //初始化handler handler = new Handler(); //主线程的id mainId = Process.myTid(); } /** * 对外提供了context * @return */ public static Context getAppContext() { return context; } /** * 得到全局的handler * @return */ public static Handler getAppHanler() { return handler; } /** * 获取主线程id * @return */ public static int getMainThreadId() { return mainId; }}
public class CartBean { /** * msg : 请求成功 * code : 0 * data : [{"list":[{"bargainPrice":111.99,"createtime":"2017-10-14T21:48:08","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":1,"pid":22,"price":799,"pscid":1,"selected":0,"sellerid":15,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}],"sellerName":"商家15","sellerid":"15"},{"list":[{"bargainPrice":111.99,"createtime":"2017-10-14T21:39:05","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":1,"pid":1,"price":118,"pscid":1,"selected":0,"sellerid":17,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}],"sellerName":"商家17","sellerid":"17"},{"list":[{"bargainPrice":111.99,"createtime":"2017-10-14T21:39:05","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":1,"pid":2,"price":299,"pscid":1,"selected":0,"sellerid":18,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}],"sellerName":"商家18","sellerid":"18"},{"list":[{"bargainPrice":111.99,"createtime":"2017-10-14T21:48:08","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":1,"pid":4,"price":999,"pscid":1,"selected":0,"sellerid":20,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}],"sellerName":"商家20","sellerid":"20"}] */ 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 isGroupChecked() { return isGroupChecked; } public void setGroupChecked(boolean groupChecked) { isGroupChecked = groupChecked; } /** * list : [{"bargainPrice":111.99,"createtime":"2017-10-14T21:48:08","detailUrl":"https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends","images":"https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg","num":1,"pid":22,"price":799,"pscid":1,"selected":0,"sellerid":15,"subhead":"每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下","title":"北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g"}] * sellerName : 商家15 * sellerid : 15 */ private boolean isGroupChecked; 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 { /** * bargainPrice : 111.99 * createtime : 2017-10-14T21:48:08 * detailUrl : https://item.m.jd.com/product/4719303.html?utm_source=androidapp&utm_medium=appshare&utm_campaign=t_335139774&utm_term=QQfriends * images : https://m.360buyimg.com/n0/jfs/t9004/210/1160833155/647627/ad6be059/59b4f4e1N9a2b1532.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7504/338/63721388/491286/f5957f53/598e95f1N7f2adb87.jpg!q70.jpg|https://m.360buyimg.com/n0/jfs/t7441/10/64242474/419246/adb30a7d/598e95fbNd989ba0a.jpg!q70.jpg * num : 1 * pid : 22 * price : 799.0 * pscid : 1 * selected : 0 * sellerid : 15 * subhead : 每个中秋都不能简单，无论身在何处，你总需要一块饼让生活更圆满，京东月饼让爱更圆满京东自营，闪电配送，更多惊喜，快用手指戳一下 * title : 北京稻香村 稻香村中秋节月饼 老北京月饼礼盒655g */ 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 class CountPriceBean { private double price; private int count; public CountPriceBean(double price, int count) { this.price = price; this.count = count; } public double getPrice() { return price; } public void setPrice(double price) { this.price = price; } public int getCount() { return count; } public void setCount(int count) { this.count = count; }}
//MODEL
public class CartModel { private ICartPresenter iCartPresenter; public CartModel(ICartPresenter iCartPresenter) { this.iCartPresenter = iCartPresenter; } public void getCartData(final String cartUrl) { //获取数据 OkHttp3Util.doGet(cartUrl, new Callback() { @Override public void onFailure(Call call, IOException e) { Log.e(cartUrl,e.getLocalizedMessage()); } @Override public void onResponse(Call call, Response response) throws IOException { if (response.isSuccessful()){ final String json = response.body().string(); //返回数据到主线程 CommonUtils.runOnUIThread(new Runnable() { @Override public void run() { iCartPresenter.getSuccessCartJson(json); } }); } } }); }}
//p
public interface ICartPresenter { void getSuccessCartJson(String json);}
public class CartPresenter implements ICartPresenter{ private final CartModel cartModel; private IMainActivity iMainActivity; public CartPresenter(IMainActivity iMainActivity) { this.iMainActivity = iMainActivity; cartModel = new CartModel(this); } public void getCartData(String cartUrl) { cartModel.getCartData(cartUrl); } @Override public void getSuccessCartJson(String json) { //回调给view iMainActivity.getSuccessCartData(json); }}
//工具类
public class CommonUtils { public static final String TAG = "Dash";//sp文件的xml名称 private static SharedPreferences sharedPreferences; /** * DashApplication.getAppContext()可以使用,但是会使用系统默认的主题样式，如果你自定义了某些样式可能不会被使用 * @param layoutId * @return */ public static View inflate(int layoutId) { View view = View.inflate(DashApplication.getAppContext(), layoutId, null); return view; } /** * dip---px * * @param dip 设备独立像素device independent px....1dp = 3px 1dp = 2px 1dp = 1.5px * @return */ public static int dip2px(int dip) { //获取像素密度 float density = DashApplication.getAppContext().getResources().getDisplayMetrics().density; // int px = (int) (dip * density + 0.5f);//100.6 return px; } /** * px-dip * * @param px * @return */ public static int px2dip(int px) { //获取像素密度 float density = DashApplication.getAppContext().getResources().getDisplayMetrics().density; // int dip = (int) (px / density + 0.5f); return dip; } /** * 获取资源中的字符串 * @param stringId * @return */ public static String getString(int stringId) { return DashApplication.getAppContext().getResources().getString(stringId); } public static Drawable getDrawable(int did) { return DashApplication.getAppContext().getResources().getDrawable(did); } public static int getDimens(int id) { return DashApplication.getAppContext().getResources().getDimensionPixelSize(id); } /** * sp存入字符串类型的值 * @param flag * @param str */ public static void saveSp(String flag, String str) { if (sharedPreferences == null) { sharedPreferences = DashApplication.getAppContext().getSharedPreferences(TAG, DashApplication.getAppContext().MODE_PRIVATE); } SharedPreferences.Editor edit = sharedPreferences.edit(); edit.putString(flag, str); edit.commit(); } public static String getSp(String flag) { if (sharedPreferences == null) { sharedPreferences = DashApplication.getAppContext().getSharedPreferences(TAG, DashApplication.getAppContext().MODE_PRIVATE); } return sharedPreferences.getString(flag, ""); } public static boolean getBoolean(String tag) { if (sharedPreferences == null) { sharedPreferences = DashApplication.getAppContext().getSharedPreferences(TAG, DashApplication.getAppContext().MODE_PRIVATE); } return sharedPreferences.getBoolean(tag, false); } public static void putBoolean(String tag, boolean content) { if (sharedPreferences == null) { sharedPreferences = DashApplication.getAppContext().getSharedPreferences(TAG, DashApplication.getAppContext().MODE_PRIVATE); } SharedPreferences.Editor edit = sharedPreferences.edit(); edit.putBoolean(tag, content); edit.commit(); } /** * 清除sp数据 * @param tag */ public static void clearSp(String tag) { if (sharedPreferences == null) { sharedPreferences = DashApplication.getAppContext().getSharedPreferences(TAG, DashApplication.getAppContext().MODE_PRIVATE); } SharedPreferences.Editor edit = sharedPreferences.edit(); edit.remove(tag); edit.commit(); } /** * 自己写的运行在主线程的方法 * 如果是主线程,执行任务,否则使用handler发送到主线程中去执行 * * * @param runable */ public static void runOnUIThread(Runnable runable) { //先判断当前属于子线程还是主线程 if (android.os.Process.myTid() == DashApplication.getMainThreadId()) { runable.run(); } else { //子线程 DashApplication.getAppHanler().post(runable); } }}
//适配器
public class MyAdapter extends BaseExpandableListAdapter{ private Handler handler; private Context context; private List<CartBean.DataBean> listGroup; private List<List<CartBean.DataBean.ListBean>> listChilds; public MyAdapter(Context context, List<CartBean.DataBean> listGroup, List<List<CartBean.DataBean.ListBean>> listChilds, Handler handler) { this.context = context; this.listGroup = listGroup; this.listChilds = listChilds; this.handler = handler; } @Override public int getGroupCount() { return listGroup.size(); } @Override public int getChildrenCount(int groupPosition) { return listChilds.get(groupPosition).size(); } @Override public Object getGroup(int groupPosition) { return listGroup.get(groupPosition); } @Override public Object getChild(int groupPosition, int childPosition) { return listChilds.get(groupPosition).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(final int groupPosition, boolean b, View view, ViewGroup viewGroup) { GroupHolder holder; if (view == null){ view = View.inflate(context, R.layout.group_item_layout,null); holder = new GroupHolder(); holder.check_group = view.findViewById(R.id.check_group); holder.text_group = view.findViewById(R.id.text_group); view.setTag(holder); }else { holder = (GroupHolder) view.getTag(); } final CartBean.DataBean dataBean = listGroup.get(groupPosition); //赋值 holder.check_group.setChecked(dataBean.isGroupChecked()); holder.text_group.setText(dataBean.getSellerName()); //设置点击事件 holder.check_group.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { //2.1改变当前一级选中的状态 dataBean.setGroupChecked(! dataBean.isGroupChecked()); //2.2根据当前一级的状态,改变该组里面二级列表的状态 changeChildState(groupPosition,dataBean.isGroupChecked()); //2.3通过判断所有的一级组是否选中,来决定是否全选选中 changeAllState(isAllGroupChecked()); //2.4发送价格个数量: sendPriceAndCount(); //刷新适配器 notifyDataSetChanged(); } }); return view; } /** * 根据所有一级列表是否选中,确定外面的全选是否选中 * @param allGroupChecked */ private void changeAllState(boolean allGroupChecked) { Message msg = Message.obtain(); msg.what =1; msg.obj = allGroupChecked; handler.sendMessage(msg); } /** * 所有的一级列表是否选中 * @return */ private boolean isAllGroupChecked() { for (int i=0;i<listGroup.size();i++){ if (! listGroup.get(i).isGroupChecked()){ return false; } } return true; } /** * 根据当前一级列表的状态,,,改变当前组中所有二级列表的状态 * @param groupPosition * @param groupChecked */ private void changeChildState(int groupPosition, boolean groupChecked) { List<CartBean.DataBean.ListBean> listBeans = listChilds.get(groupPosition); for (int i=0;i<listBeans.size();i++){ listBeans.get(i).setSelected(groupChecked? 1:0); } } @Override public View getChildView(final int groupPosition, int childPosition, boolean b, View view, ViewGroup viewGroup) { ChildHolder holder; if (view == null){ view = View.inflate(context, R.layout.child_item_layout,null); holder = new ChildHolder(); holder.text_add = view.findViewById(R.id.text_add); holder.text_num = view.findViewById(R.id.text_num); holder.text_jian = view.findViewById(R.id.text_jian); holder.text_title = view.findViewById(R.id.text_title); holder.text_price = view.findViewById(R.id.text_price); holder.image_good = view.findViewById(R.id.image_good); holder.check_child = view.findViewById(R.id.check_child); view.setTag(holder); }else { holder = (ChildHolder) view.getTag(); } //赋值 final CartBean.DataBean.ListBean listBean = listChilds.get(groupPosition).get(childPosition); holder.text_num.setText(listBean.getNum()+"");//......注意 holder.text_price.setText("¥"+listBean.getPrice()); holder.text_title.setText(listBean.getTitle()); //listBean.getSelected().....0false,,,1true //设置checkBox选中状态 holder.check_child.setChecked(listBean.getSelected()==0? false:true); /*implementation 'com.github.bumptech.glide:glide:4.4.0' annotationProcessor 'com.github.bumptech.glide:compiler:4.4.0'*/ Glide.with(context).load(listBean.getImages().split("\\|")[0]).into(holder.image_good); //设置点击事件 holder.check_child.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { //3.1点击改变当前子条目状态:....实际是改变当前的数据,,,刷新适配器 listBean.setSelected(listBean.getSelected() ==0? 1:0); //3.2发送价钱和数量给界面显示 sendPriceAndCount(); //3.3判断当前子条目是否选中 if (listBean.getSelected() == 1){ //判断一下当前组中所有的子条目是否全部选中 if (isAllChildSelected(groupPosition)){ //如果全部选中改变一下当前组的状态 changeGroupState(groupPosition,true); //.确定是否改变全选 changeAllState(isAllGroupChecked()); } }else { //如果没有选中改变一下当前组的状态 changeGroupState(groupPosition,false); //.确定是否改变全选 changeAllState(isAllGroupChecked()); } //刷新适配器 notifyDataSetChanged(); } }); //加号: holder.text_add.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { //改变当前位置 中商品的数量 listBean.setNum(listBean.getNum()+1); //判断一下是否选中...计算价格数量 if (listBean.getSelected() == 1){ sendPriceAndCount(); } // notifyDataSetChanged(); } }); //减号 holder.text_jian.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { int num = listBean.getNum(); if (num == 1){ return; } listBean.setNum(num -1); //判断是否选中 if (listBean.getSelected() == 1){ sendPriceAndCount(); } notifyDataSetChanged(); } }); return view; } /** * 改变当前组的状态 * @param groupPosition * @param b */ private void changeGroupState(int groupPosition, boolean b) { listGroup.get(groupPosition).setGroupChecked(b); } /** * 判断当前组中所有的二级是否选中 * @param groupPosition * @return */ private boolean isAllChildSelected(int groupPosition) { List<CartBean.DataBean.ListBean> listBeans = listChilds.get(groupPosition); for (int i=0;i<listBeans.size();i++){ if (listBeans.get(i).getSelected() == 0){ return false; } } return true; } @Override public boolean isChildSelectable(int groupPosition, int childPosition) { return true;//子条目是否可以点击 } /** * 设置是否全选 * @param checked */ public void setIfCheckAll(boolean checked) { for (int i = 0;i<listGroup.size();i++){ CartBean.DataBean dataBean = listGroup.get(i); //设置组上面的checkBox是否选中 dataBean.setGroupChecked(checked); List<CartBean.DataBean.ListBean> listBeans = dataBean.getList(); for (int j = 0; j< listBeans.size(); j++){ //改变是否选中的状态...数据应该变的是 listBeans.get(j).setSelected(checked? 1:0); } } //计算价钱和数量并且发送到mainActivity显示 sendPriceAndCount(); //刷新适配器 notifyDataSetChanged(); } /** * 计算总价和数量,,,发送显示 */ private void sendPriceAndCount() { double price = 0; int count = 0; for (int i=0;i<listGroup.size();i++){ List<CartBean.DataBean.ListBean> listBeans = listGroup.get(i).getList(); for (int j = 0;j<listBeans.size();j++){ CartBean.DataBean.ListBean listBean = listBeans.get(j); if (listBean.getSelected()==1){ price += listBean.getPrice()* listBean.getNum(); count += listBean.getNum(); } } } CountPriceBean countPriceBean = new CountPriceBean(price, count); //显示到activity页面 Message msg = Message.obtain(); msg.what = 0; msg.obj = countPriceBean; handler.sendMessage(msg); } private class GroupHolder{ CheckBox check_group; TextView text_group; } private class ChildHolder{ CheckBox check_child; ImageView image_good; TextView text_title; TextView text_price; TextView text_jian; TextView text_num; TextView text_add; }}
//自定义二级列表
public class CartExpanableListview extends ExpandableListView { public CartExpanableListview(Context context) { super(context); } public CartExpanableListview(Context context, AttributeSet attrs) { super(context, attrs); } public CartExpanableListview(Context context, AttributeSet attrs, int defStyleAttr) { super(context, attrs, defStyleAttr); } @Override protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { int height = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE>>2,MeasureSpec.AT_MOST); super.onMeasure(widthMeasureSpec, height); }}
IView
public interface IMainActivity { void getSuccessCartData(String json);}
//Mainactity
public class MainActivity extends AppCompatActivity implements IMainActivity, View.OnClickListener { private CartExpanableListview expanableListview; private String cartUrl = "https://www.zhaoapi.cn/product/getCarts?uid=3004"; private CartPresenter cartPresenter; private Gson gson; private MyAdapter myAdapter; private CheckBox check_all; private TextView text_total; private TextView text_buy; private Handler handler = new Handler(){ @Override public void handleMessage(Message msg) { if (msg.what == 0){ CountPriceBean countPriceBean = (CountPriceBean) msg.obj; //设置 text_total.setText("合计:¥"+countPriceBean.getPrice()); text_buy.setText("去结算("+countPriceBean.getCount()+")"); }else if (msg.what == 1){//改变全选 boolean flag = (boolean) msg.obj; check_all.setChecked(flag); } } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); check_all =(CheckBox) findViewById(R.id.check_all); text_total = (TextView)findViewById(R.id.text_total); text_buy =(TextView) findViewById(R.id.text_buy); expanableListview =(CartExpanableListview) findViewById(R.id.expanable_listview); //去掉默认的指示器 expanableListview.setGroupIndicator(null); cartPresenter = new CartPresenter(this); gson = new Gson(); //全选:...点击事件 check_all.setOnClickListener(this); } @Override protected void onResume() { super.onResume(); //请求数据 cartPresenter.getCartData(cartUrl); } @Override public void getSuccessCartData(String json) { //解析数据 CartBean cartBean = gson.fromJson(json, CartBean.class); //一个是一级标题的数据 List<CartBean.DataBean> listGroup = cartBean.getData(); //所有子条目的数据 List<List<CartBean.DataBean.ListBean>> listChilds = new ArrayList<>(); for (int i=0;i<listGroup.size();i++){ listChilds.add(listGroup.get(i).getList()); } //设置适配器 myAdapter = new MyAdapter(MainActivity.this, listGroup, listChilds,handler); expanableListview.setAdapter(myAdapter); //展开所有 for (int i=0;i<listGroup.size();i++){ expanableListview.expandGroup(i); } } @Override public void onClick(View view) { switch (view.getId()){ case R.id.check_all: myAdapter.setIfCheckAll(check_all.isChecked()); break; } }}
<?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" tools:context="com.dash.a18_shopping_cart.view.MainActivity"> <ScrollView android:layout_above="@+id/linear_layout" android:layout_width="match_parent" android:layout_height="match_parent"> <LinearLayout android:orientation="vertical" android:layout_width="match_parent" android:layout_height="match_parent"> <!--购物车的二级列表--> <com.dash.a18_shopping_cart.view.custom.CartExpanableListview android:id="@+id/expanable_listview" android:layout_width="match_parent" android:layout_height="wrap_content"> </com.dash.a18_shopping_cart.view.custom.CartExpanableListview> <!--为你推荐--> <LinearLayout android:layout_width="match_parent" android:layout_height="500dp" android:background="#00ff00" android:orientation="vertical"> </LinearLayout> </LinearLayout> </ScrollView> <LinearLayout android:id="@+id/linear_layout" android:layout_alignParentBottom="true" android:gravity="center_vertical" android:orientation="horizontal" android:layout_width="match_parent" android:layout_height="50dp"> <CheckBox android:layout_marginLeft="10dp" android:button="@null" android:background="@drawable/check_box_selector" android:id="@+id/check_all" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <TextView android:id="@+id/text_total" android:text="合计:¥0.00" android:layout_weight="2" android:layout_width="0dp" android:layout_height="wrap_content" /> <TextView android:text="去结算(0)" android:background="#ff0000" android:textColor="#ffffff" android:gravity="center" android:id="@+id/text_buy" android:layout_width="0dp" android:layout_weight="1" android:layout_height="match_parent" /> </LinearLayout></RelativeLayout>
<?xml version="1.0" encoding="utf-8"?><RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:padding="10dp" android:layout_width="match_parent" android:layout_height="match_parent"> <CheckBox android:layout_centerVertical="true" android:id="@+id/check_child" android:button="@null" android:background="@drawable/check_box_selector" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <ImageView android:id="@+id/image_good" android:layout_centerVertical="true" android:layout_toRightOf="@+id/check_child" android:layout_marginLeft="10dp" android:layout_width="80dp" android:layout_height="80dp" /> <TextView android:id="@+id/text_title" android:layout_toRightOf="@+id/image_good" android:layout_marginLeft="10dp" android:layout_alignTop="@+id/image_good" android:maxLines="2" android:minLines="2" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <TextView android:id="@+id/text_price" android:layout_toRightOf="@+id/image_good" android:layout_marginLeft="10dp" android:layout_alignBottom="@+id/image_good" android:text="¥99.99" android:textColor="#ff0000" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <LinearLayout android:layout_alignParentRight="true" android:layout_alignBottom="@+id/image_good" android:orientation="horizontal" android:layout_width="wrap_content" android:layout_height="wrap_content"> <TextView android:id="@+id/text_jian" android:text="一" android:padding="5dp" android:background="@drawable/bian_kuang_line" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <TextView android:gravity="center" android:id="@+id/text_num" android:paddingLeft="10dp" android:paddingRight="10dp" android:background="@drawable/bian_kuang_line" android:layout_width="wrap_content" android:layout_height="match_parent" /> <TextView android:id="@+id/text_add" android:text="十" android:padding="5dp" android:background="@drawable/bian_kuang_line" android:layout_width="wrap_content" android:layout_height="wrap_content" /> </LinearLayout></RelativeLayout>
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:gravity="center_vertical" android:padding="10dp" android:layout_width="match_parent" android:layout_height="match_parent"> <CheckBox android:button="@null" android:background="@drawable/check_box_selector" android:id="@+id/check_group" android:layout_width="wrap_content" android:layout_height="wrap_content" /> <TextView android:layout_marginLeft="10dp" android:text="京东自营" android:id="@+id/text_group" android:layout_width="wrap_content" android:layout_height="wrap_content" /></LinearLayout>
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