二级列表(购物车)
添加的依赖
compile 'com.jakewharton:butterknife:8.2.1' apt 'com.jakewharton:butterknife-compiler:8.2.1' compile 'com.squareup.okhttp3:okhttp:3.9.0' compile 'com.squareup.okhttp3:logging-interceptor:3.9.0' compile 'com.google.code.gson:gson:2.8.2' compile 'com.nostra13.universalimageloader:universal-image-loader:1.9.5' compile 'org.greenrobot:eventbus:3.1.1' <uses-permission android:name="android.permission.INTERNET"></uses-permission>
activity_main
<?xml version="1.0" encoding="utf-8"?> <LinearLayout 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" android:orientation="vertical" tools:context="com.bawie.www.gouwuche22.MainActivity"> <TextView android:layout_width="match_parent" android:layout_height="40dp" android:background="#990000ff" android:gravity="center" android:text="购物车" android:textColor="#ff3660" android:textSize="25sp" /> <ExpandableListView android:id="@+id/elv" android:layout_width="match_parent" android:layout_height="match_parent" android:layout_weight="1" /> <RelativeLayout android:layout_width="match_parent" android:layout_height="50dp" android:layout_alignParentBottom="true" android:background="@android:color/white" android:gravity="center_vertical"> <CheckBox android:id="@+id/checkbox2" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_centerVertical="true" android:layout_marginLeft="10dp" android:focusable="false" /> <TextView android:layout_width="wrap_content" android:layout_height="50dp" android:layout_centerVertical="true" android:layout_marginLeft="10dp" android:layout_toRightOf="@+id/checkbox2" android:gravity="center_vertical" android:text="全选" android:textSize="20sp" /> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentRight="true" android:orientation="horizontal"> <TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="10dp" android:text="合计 ：" /> <TextView android:id="@+id/tv_price" android:layout_width="wrap_content" android:layout_height="50dp" android:layout_marginLeft="10dp" android:paddingRight="10dp" android:text="0" android:textColor="@android:color/holo_red_light" /> <TextView android:id="@+id/tv_num" android:layout_width="wrap_content" android:layout_height="50dp" android:background="@android:color/holo_red_dark" android:gravity="center" android:padding="10dp" android:text="结算(0)" android:textColor="@android:color/white" /> </LinearLayout> </RelativeLayout> </LinearLayout>
item_child_market
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:background="@android:color/darker_gray" android:gravity="center_vertical" android:orientation="horizontal"> <CheckBox android:id="@+id/cb_child" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginBottom="30dp" android:layout_marginLeft="40dp" android:layout_marginTop="30dp" android:focusable="false" /> <LinearLayout android:layout_width="wrap_content" android:layout_height="wrap_content" android:orientation="vertical"> <TextView android:id="@+id/tv_tel" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="20dp" android:text="iphone6" /> <TextView android:id="@+id/tv_content" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="20dp" android:text="什么手机" /> <TextView android:id="@+id/tv_time" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="20dp" android:text="2016-12-10" /> </LinearLayout> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_weight="1" android:orientation="vertical"> <TextView android:id="@+id/tv_pri" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="¥3000.00" /> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:gravity="center_vertical"> <ImageView android:id="@+id/iv_del" android:layout_width="20dp" android:layout_height="20dp" android:src="@drawable/shopcart_minus_grey" /> <TextView android:id="@+id/tv_num" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="5dp" android:background="@drawable/shopcart_add_btn" android:paddingBottom="2dp" android:paddingLeft="20dp" android:paddingRight="20dp" android:paddingTop="2dp" android:text="1" /> <ImageView android:id="@+id/iv_add" android:layout_width="20dp" android:layout_height="20dp" android:layout_marginLeft="5dp" android:src="@drawable/shopcart_add_red" /> </LinearLayout> </LinearLayout> <TextView android:id="@+id/tv_del" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="删除" /> </LinearLayout>
item_parment_market
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="100dp" android:gravity="center_vertical" android:orientation="horizontal"> <CheckBox android:id="@+id/cb_parent" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginBottom="30dp" android:layout_marginLeft="20dp" android:layout_marginTop="30dp" android:focusable="false" /> <TextView android:id="@+id/tv_sign" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="20dp" android:text="标记" /> <TextView android:id="@+id/tv_number" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_marginLeft="20dp" android:text="12345678" /> </LinearLayout>
MainActivity
package com.bawie.www.gouwuche22; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.CheckBox; import android.widget.ExpandableListView; import android.widget.TextView; import com.bawie.www.gouwuche22.adapter.MyAdapter; import com.bawie.www.gouwuche22.bean.GoosBean; import com.bawie.www.gouwuche22.eventbusevent.MessageEvent; import com.bawie.www.gouwuche22.eventbusevent.PriceAndCountEvent; import com.bawie.www.gouwuche22.presenter.MainPresenter; import org.greenrobot.eventbus.EventBus; import org.greenrobot.eventbus.Subscribe; import java.util.List; public class MainActivity extends AppCompatActivity implements IMainActivity{ private ExpandableListView mElv; private CheckBox mCheckbox2; /** * 0 */ private TextView mTvPrice; /** * 结算(0) */ private TextView mTvNum; private MyAdapter adapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); EventBus.getDefault().register(this); initView(); new MainPresenter(this).getGoods(); mCheckbox2.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { adapter.changeAllListCbState(mCheckbox2.isChecked()); } }); } @Override protected void onDestroy() { super.onDestroy(); EventBus.getDefault().unregister(this); } private void initView() { mElv = (ExpandableListView) findViewById(R.id.elv); mCheckbox2 = (CheckBox) findViewById(R.id.checkbox2); mTvPrice = (TextView) findViewById(R.id.tv_price); mTvNum = (TextView) findViewById(R.id.tv_num); } @Override public void showList(List<GoosBean.DataBean> groupList, List<List<GoosBean.DataBean.DatasBean>> childList) { adapter = new MyAdapter(this, groupList, childList); mElv.setAdapter(adapter); mElv.setGroupIndicator(null); //默认让其全部展开 for (int i = 0; i < groupList.size(); i++) { mElv.expandGroup(i); } } @Subscribe public void onMessageEvent(MessageEvent event) { mCheckbox2.setChecked(event.isChecked()); } @Subscribe public void onMessageEvent(PriceAndCountEvent event) { mTvNum.setText("结算(" + event.getCount() + ")"); mTvPrice.setText(event.getPrice() + ""); } }
接口IMactivity
package com.bawie.www.gouwuche22; import com.bawie.www.gouwuche22.bean.GoosBean; import java.util.List; /** * Created by peng on 2017/11/16. */ public interface IMainActivity { public void showList(List<GoosBean.DataBean> groupList, List<List<GoosBean.DataBean.DatasBean>> childList); }
MainPresenter
package com.bawie.www.gouwuche22.presenter; import com.bawie.www.gouwuche22.IMainActivity; import com.bawie.www.gouwuche22.bean.GoosBean; import com.bawie.www.gouwuche22.mode.IMainModel; import com.bawie.www.gouwuche22.mode.MainModel; import com.bawie.www.gouwuche22.net.OnNetListener; import java.util.ArrayList; import java.util.List; /** * Created by peng on 2017/11/16. */ public class MainPresenter { private final IMainModel imainModel; private final IMainActivity iMainActivity; public MainPresenter(IMainActivity iMainActivity) { this.iMainActivity = iMainActivity; imainModel = new MainModel(); } public void getGoods() { imainModel.getGoods(new OnNetListener<GoosBean>() { @Override public void onSuccess(GoosBean goosBean) { //List<GoosBean.DataBean> groupList, List<List<GoosBean.DataBean.DatasBean>> childList List<GoosBean.DataBean> dataBean = goosBean.getData(); List<List<GoosBean.DataBean.DatasBean>> childList = new ArrayList<List<GoosBean.DataBean.DatasBean>>(); for (int i = 0; i < dataBean.size(); i++) { List<GoosBean.DataBean.DatasBean> datas = dataBean.get(i).getDatas(); childList.add(datas); } iMainActivity.showList(dataBean, childList); } @Override public void onFailure(Exception e) { } }); } }
接口OnNetListener
package com.bawie.www.gouwuche22.net; /** * Created by peng on 2017/11/16. */ public interface OnNetListener<T> { public void onSuccess(T t); public void onFailure(Exception e); }
OkHttpUtils
package com.bawie.www.gouwuche22.net; import okhttp3.Callback; import okhttp3.OkHttpClient; import okhttp3.Request; import okhttp3.logging.HttpLoggingInterceptor; /** * Created by peng on 2017/11/16. */ public class HttpUtils { private static volatile HttpUtils httpUtils; private final OkHttpClient client; private HttpUtils() { HttpLoggingInterceptor logging = new HttpLoggingInterceptor(); logging.setLevel(HttpLoggingInterceptor.Level.BODY); client = new OkHttpClient.Builder() .addInterceptor(logging) .build(); } public static HttpUtils getHttpUtils() { if (httpUtils == null) { synchronized (HttpUtils.class) { if (httpUtils == null) { httpUtils = new HttpUtils(); } } } return httpUtils; } /** * GET请求 * * @param url * @param callback */ public void doGet(String url, Callback callback) { Request request = new Request.Builder().url(url).build(); client.newCall(request).enqueue(callback); } }
APi
package com.bawie.www.gouwuche22.net; /** * Created by peng on 2017/11/16. */ public interface Api { public static final String url = "http://result.eolinker.com/iYXEPGn4e9c6dafce6e5cdd23287d2bb136ee7e9194d3e9?uri=evaluation"; }
IMainModel
package com.bawie.www.gouwuche22.mode; import com.bawie.www.gouwuche22.bean.GoosBean; import com.bawie.www.gouwuche22.net.OnNetListener; /** * Created by peng on 2017/11/16. */ public interface IMainModel { public void getGoods(OnNetListener<GoosBean> onNetListener); }
MainMolder
package com.bawie.www.gouwuche22.mode; import android.os.Handler; import android.os.Looper; import com.bawie.www.gouwuche22.bean.GoosBean; import com.bawie.www.gouwuche22.net.Api; import com.bawie.www.gouwuche22.net.HttpUtils; import com.bawie.www.gouwuche22.net.OnNetListener; import com.google.gson.Gson; import java.io.IOException; import okhttp3.Call; import okhttp3.Callback; import okhttp3.Response; /** * Created by peng on 2017/11/16. */ public class MainModel implements IMainModel { private Handler handler = new Handler(Looper.getMainLooper()); public void getGoods(final OnNetListener<GoosBean> onNetListener) { HttpUtils.getHttpUtils().doGet(Api.url, new Callback() { @Override public void onFailure(Call call, IOException e) { } @Override public void onResponse(Call call, Response response) throws IOException { String string = response.body().string(); final GoosBean goosBean = new Gson().fromJson(string, GoosBean.class); handler.post(new Runnable() { @Override public void run() { onNetListener.onSuccess(goosBean); } }); } }); } }
MessageEvent
package com.bawie.www.gouwuche22.eventbusevent; /** * Created by peng on 2017/11/17. */ public class MessageEvent { private boolean checked; public boolean isChecked() { return checked; } public void setChecked(boolean checked) { this.checked = checked; } }
PriceAndCountEvent
package com.bawie.www.gouwuche22.eventbusevent; /** * Created by peng on 2017/11/17. */ public class PriceAndCountEvent { private int price; private int count; public int getPrice() { return price; } public void setPrice(int price) { this.price = price; } public int getCount() { return count; } public void setCount(int count) { this.count = count; } }
MyAdapter
package com.bawie.www.gouwuche22.adapter; import android.content.Context; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.BaseExpandableListAdapter; import android.widget.CheckBox; import android.widget.ImageView; import android.widget.TextView; import com.bawie.www.gouwuche22.R; import com.bawie.www.gouwuche22.bean.GoosBean; import com.bawie.www.gouwuche22.eventbusevent.MessageEvent; import com.bawie.www.gouwuche22.eventbusevent.PriceAndCountEvent; import org.greenrobot.eventbus.EventBus; import java.util.List; /** * Created by peng on 2017/11/16. */ public class MyAdapter extends BaseExpandableListAdapter { private Context context; private List<GoosBean.DataBean> groupList; private List<List<GoosBean.DataBean.DatasBean>> childList; private final LayoutInflater inflater; public MyAdapter(Context context, List<GoosBean.DataBean> groupList, List<List<GoosBean.DataBean.DatasBean>> childList) { this.context = context; this.groupList = groupList; this.childList = childList; inflater = LayoutInflater.from(context); } @Override public int getGroupCount() { return groupList.size(); } @Override public int getChildrenCount(int groupPosition) { return childList.get(groupPosition).size(); } @Override public Object getGroup(int groupPosition) { return groupList.get(groupPosition); } @Override public Object getChild(int groupPosition, int childPosition) { return childList.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 false; } @Override public View getGroupView(final int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) { View view; final GroupViewHolder holder; if (convertView == null) { holder = new GroupViewHolder(); view = inflater.inflate(R.layout.item_parent_market, null); holder.cbGroup = (CheckBox) view.findViewById(R.id.cb_parent); holder.tv_number = (TextView) view.findViewById(R.id.tv_number); view.setTag(holder); } else { view = convertView; holder = (GroupViewHolder) view.getTag(); } final GoosBean.DataBean dataBean = groupList.get(groupPosition); holder.cbGroup.setChecked(dataBean.isChecked()); holder.tv_number.setText(dataBean.getTitle()); //一级checkbox holder.cbGroup.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { dataBean.setChecked(holder.cbGroup.isChecked()); changeChildCbState(groupPosition, holder.cbGroup.isChecked()); EventBus.getDefault().post(compute()); changeAllCbState(isAllGroupCbSelected()); notifyDataSetChanged(); } }); return view; } @Override public View getChildView(final int groupPosition, final int childPosition, boolean isLastChild, View convertView, ViewGroup parent) { View view; final ChildViewHolder holder; if (convertView == null) { holder = new ChildViewHolder(); view = inflater.inflate(R.layout.item_child_market, null); holder.cbChild = (CheckBox) view.findViewById(R.id.cb_child); holder.tv_tel = (TextView) view.findViewById(R.id.tv_tel); holder.tv_content = (TextView) view.findViewById(R.id.tv_content); holder.tv_time = (TextView) view.findViewById(R.id.tv_time); holder.tv_price = (TextView) view.findViewById(R.id.tv_pri); holder.tv_del = (TextView) view.findViewById(R.id.tv_del); holder.iv_add = (ImageView) view.findViewById(R.id.iv_add); holder.iv_del = (ImageView) view.findViewById(R.id.iv_del); holder.tv_num = (TextView) view.findViewById(R.id.tv_num); view.setTag(holder); } else { view = convertView; holder = (ChildViewHolder) view.getTag(); } final GoosBean.DataBean.DatasBean datasBean = childList.get(groupPosition).get(childPosition); holder.cbChild.setChecked(datasBean.isChecked()); holder.tv_tel.setText(datasBean.getType_name()); holder.tv_content.setText(datasBean.getMsg()); holder.tv_time.setText(datasBean.getAdd_time()); holder.tv_price.setText(datasBean.getPrice() + ""); holder.tv_num.setText(datasBean.getNum() + ""); //二级checkbox holder.cbChild.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { //设置该条目对象里的checked属性值 datasBean.setChecked(holder.cbChild.isChecked()); PriceAndCountEvent priceAndCountEvent = compute(); EventBus.getDefault().post(priceAndCountEvent); if (holder.cbChild.isChecked()) { //当前checkbox是选中状态 if (isAllChildCbSelected(groupPosition)) { changGroupCbState(groupPosition, true); changeAllCbState(isAllGroupCbSelected()); } } else { changGroupCbState(groupPosition, false); changeAllCbState(isAllGroupCbSelected()); } notifyDataSetChanged(); } }); //加号 holder.iv_add.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { int num = datasBean.getNum(); holder.tv_num.setText(++num + ""); datasBean.setNum(num); if (holder.cbChild.isChecked()) { PriceAndCountEvent priceAndCountEvent = compute(); EventBus.getDefault().post(priceAndCountEvent); } } }); //减号 holder.iv_del.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { int num = datasBean.getNum(); if (num == 1) { return; } holder.tv_num.setText(--num + ""); datasBean.setNum(num); if (holder.cbChild.isChecked()) { PriceAndCountEvent priceAndCountEvent = compute(); EventBus.getDefault().post(priceAndCountEvent); } } }); //删除 holder.tv_del.setOnClickListener(new View.OnClickListener() { @Override public void onClick(View v) { List<GoosBean.DataBean.DatasBean> datasBeen = childList.get(groupPosition); GoosBean.DataBean.DatasBean remove = datasBeen.remove(childPosition); if (datasBeen.size() == 0) { childList.remove(groupPosition); groupList.remove(groupPosition); } EventBus.getDefault().post(compute()); notifyDataSetChanged(); } }); return view; } @Override public boolean isChildSelectable(int groupPosition, int childPosition) { return true; } class GroupViewHolder { CheckBox cbGroup; TextView tv_number; } class ChildViewHolder { CheckBox cbChild; TextView tv_tel; TextView tv_content; TextView tv_time; TextView tv_price; TextView tv_del; ImageView iv_del; ImageView iv_add; TextView tv_num; } /** * 改变全选的状态 * * @param flag */ private void changeAllCbState(boolean flag) { MessageEvent messageEvent = new MessageEvent(); messageEvent.setChecked(flag); EventBus.getDefault().post(messageEvent); } /** * 改变一级列表checkbox状态 * * @param groupPosition */ private void changGroupCbState(int groupPosition, boolean flag) { GoosBean.DataBean dataBean = groupList.get(groupPosition); dataBean.setChecked(flag); } /** * 改变二级列表checkbox状态 * * @param groupPosition * @param flag */ private void changeChildCbState(int groupPosition, boolean flag) { List<GoosBean.DataBean.DatasBean> datasBeen = childList.get(groupPosition); for (int i = 0; i < datasBeen.size(); i++) { GoosBean.DataBean.DatasBean datasBean = datasBeen.get(i); datasBean.setChecked(flag); } } /** * 判断一级列表是否全部选中 * * @return */ private boolean isAllGroupCbSelected() { for (int i = 0; i < groupList.size(); i++) { GoosBean.DataBean dataBean = groupList.get(i); if (!dataBean.isChecked()) { return false; } } return true; } /** * 判断二级列表是否全部选中 * * @param groupPosition * @return */ private boolean isAllChildCbSelected(int groupPosition) { List<GoosBean.DataBean.DatasBean> datasBeen = childList.get(groupPosition); for (int i = 0; i < datasBeen.size(); i++) { GoosBean.DataBean.DatasBean datasBean = datasBeen.get(i); if (!datasBean.isChecked()) { return false; } } return true; } /** * 计算列表中，选中的钱和数量 */ private PriceAndCountEvent compute() { int count = 0; int price = 0; for (int i = 0; i < childList.size(); i++) { List<GoosBean.DataBean.DatasBean> datasBeen = childList.get(i); for (int j = 0; j < datasBeen.size(); j++) { GoosBean.DataBean.DatasBean datasBean = datasBeen.get(j); if (datasBean.isChecked()) { price += datasBean.getNum() * datasBean.getPrice(); count += datasBean.getNum(); } } } PriceAndCountEvent priceAndCountEvent = new PriceAndCountEvent(); priceAndCountEvent.setCount(count); priceAndCountEvent.setPrice(price); return priceAndCountEvent; } /** * 设置全选、反选 * * @param flag */ public void changeAllListCbState(boolean flag) { for (int i = 0; i < groupList.size(); i++) { changGroupCbState(i, flag); changeChildCbState(i, flag); } EventBus.getDefault().post(compute()); notifyDataSetChanged(); } }
GoosBean
http://result.eolinker.com/iYXEPGn4e9c6dafce6e5cdd23287d2bb136ee7e9194d3e9?uri=evaluation
style
<resources>
<!-- Base application theme. -->
<style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar">
<!-- Customize your theme here. -->
<item name="colorPrimary">@color/colorPrimary</item>
<item name="colorPrimaryDark">@color/colorPrimaryDark</item>
<item name="colorAccent">@color/colorAccent</item>
</style>
</resources>
