Android_二级列表购物车之增删改查,全选反选,加减器,价钱数量计算
转载自:http://blog.****.net/Rbh73692/article/details/78603260?locationNum=3&fps=1
第一步: 导依赖
Eventbus依赖:
- compile 'org.greenrobot:eventbus:3.1.1'
- compile 'com.google.code.gson:gson:2.8.2'
OkHttp依赖:
- compile 'com.squareup.okhttp3:okhttp:3.9.0'
- compile 'com.android.support:recyclerview-v7:26.0.0-alpha1'
- repositories {
- mavenCentral()
- maven { url 'https://maven.google.com' }
- }
- dependencies {
- compile 'com.github.bumptech.glide:glide:4.3.1'
- annotationProcessor 'com.github.bumptech.glide:compiler:4.3.1'
- }
- <uses-permission android:name="android.permission.INTERNET" />
- <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
- <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
- <uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" />
- <?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.bwei.www.yuekaomoni.Main2Activity">
- <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_marginLeft="100dp"
- 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:layout_marginLeft="150dp"
- android:id="@+id/tv_num"
- android:layout_width="150dp"
- 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>
- <?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="10dp"
- 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="5dp"
- android:layout_marginLeft="10dp"
- android:layout_marginTop="5dp"
- 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>
- <?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: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="10dp"
- android:layout_marginTop="30dp"
- android:focusable="false" />
- <RelativeLayout
- android:layout_width="100dp"
- android:layout_height="100dp"
- >
- <TextView
- android:id="@+id/tv_sbt"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:singleLine="true"
- android:ellipsize="end"
- android:text="三只松鼠大礼包发动机"/>
- <ImageView
- android:layout_below="@id/tv_sbt"
- android:layout_width="80dp"
- android:layout_height="80dp"
- android:id="@+id/img"
- android:src="@mipmap/ic_launcher"/>
- </RelativeLayout>
- <LinearLayout
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:layout_weight="3"
- android:orientation="vertical">
- <TextView
- android:id="@+id/tv_pri"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:text="¥3000.00" />
- <TextView
- android:id="@+id/tv_content"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"
- android:layout_marginLeft="20dp"
- android:text="什么" />
- <LinearLayout
- android:layout_width="match_parent"
- android:layout_height="wrap_content"
- android:gravity="center_vertical">
- <com.bwei.www.yuekaomoni.myView.MyView
- android:id="@+id/mv"
- android:layout_width="wrap_content"
- android:layout_height="wrap_content"></com.bwei.www.yuekaomoni.myView.MyView>
- </LinearLayout>
- </LinearLayout>
- <Button
- android:id="@+id/tv_del"
- android:layout_width="20dp"
- android:layout_height="20dp"
- android:background="@drawable/rublish"
- />
- </LinearLayout>
加减器布局:
- <?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:orientation="horizontal">
- <Button
- android:id="@+id/btn_add"
- android:layout_width="20dp"
- android:layout_height="20dp"
- android:background="@drawable/shopcart_add_red"/>
- <EditText
- android:id="@+id/et_et"
- android:layout_width="50dp"
- android:layout_height="wrap_content"
- android:text="1"
- android:textSize="20dp"/>
- <Button
- android:id="@+id/btn_del"
- android:layout_width="20dp"
- android:layout_height="20dp"
- android:background="@drawable/shopcart_minus_red"/>
- </LinearLayout>
- public interface Callback {
- void onSuccess(String tag,Object o);
- void onFailure(String tag,Exception e);
- }
- public interface IView {
- void Success (String tag, List<GsonBean.DataBean> list);
- void Failed(String tag,Exception e);
- }
- package com.bwei.www.yuekaomoni.okHttp;
- import android.os.Handler;
- import android.text.TextUtils;
- import android.util.Log;
- import com.bwei.www.yuekaomoni.Callback.Callback;
- import com.google.gson.Gson;
- import java.io.IOException;
- import java.util.Map;
- import okhttp3.Call;
- import okhttp3.OkHttpClient;
- import okhttp3.Request;
- import okhttp3.Response;
- /**
- * @作者
- * @时间 2017/11/18 10:34
- */
- public class HttpUtils {
- private static final String TAG = "HttpUtils";
- private static volatile HttpUtils instanse;
- final static Handler handler = new Handler();
- private HttpUtils() {
- }
- public static HttpUtils getInstanse() {
- if (null == instanse) {
- synchronized (HttpUtils.class) {
- if (instanse == null) {
- instanse = new HttpUtils();
- }
- }
- }
- return instanse;
- }
- public void get(String url, Map<String, String> map, final Callback callBack,
- final Class cls, final String tag) {
- // http://www.baoidu.com/login?mobile=11111&password=11111&age=1&name=zw
- // 1.http://www.baoidu.com/login --------? key=value&key=value
- // 2.http://www.baoidu.com/login? --------- key=value&key=value
- // 3.http://www.baoidu.com/login?mobile=11111 -----&key=value&key=value
- final StringBuffer sb = new StringBuffer();
- sb.append(url);
- if (TextUtils.isEmpty(url)) {
- return;
- }
- // 如果包含?说明是2.3类型
- if (url.contains("?")) {
- // 如果包含?并且?是最后一位,对应是2类型
- if (url.indexOf("?") == url.length() - 1) {
- } else {
- // 如果包含?并且?不是最后一位,对应是3类型
- sb.append("&");
- }
- }
- for (Map.Entry<String, String> entry : map.entrySet()) {
- sb.append(entry.getKey())
- .append("=")
- .append(entry.getValue())
- .append("&");
- }
- if (sb.indexOf("&") != -1) {
- sb.deleteCharAt((sb.lastIndexOf("&")));
- }
- Log.i(TAG, "get:url " + sb.toString());
- OkHttpClient client = new OkHttpClient.Builder().build();
- Request request = new Request.Builder()
- .get()
- .url(sb.toString())
- .build();
- Call call = client.newCall(request);
- call.enqueue(new okhttp3.Callback() {
- @Override
- public void onFailure(Call call, final IOException e) {
- handler.post(new Runnable() {
- @Override
- public void run() {
- callBack.onFailure(tag,e);
- }
- });
- }
- @Override
- public void onResponse(Call call, Response response) throws IOException {
- final String s = response.body().string();
- handler.post(new Runnable() {
- Object o;
- @Override
- public void run() {
- if(TextUtils.isEmpty(s)){
- o=null;
- }else
- {
- o = new Gson().fromJson(s, cls);
- }
- callBack.onSuccess(tag,o);
- }
- });
- }
- });
- }
- }
- package com.bwei.www.yuekaomoni.present;
- import com.bwei.www.yuekaomoni.Callback.Callback;
- import com.bwei.www.yuekaomoni.Callback.IView;
- import com.bwei.www.yuekaomoni.bean.GsonBean;
- import com.bwei.www.yuekaomoni.okHttp.HttpUtils;
- import java.util.HashMap;
- import java.util.List;
- import java.util.Map;
- /**
- * @作者
- * @时间 2017/11/18 10:51
- */
- public class PresentCar {
- private IView inv;
- public void attachView(IView inv) {
- this.inv = inv;
- }
- public void getNews() {
- //type=top&key=dbedecbcd1899c9785b95cc2d17131c5
- Map<String, String> map = new HashMap<>();
- HttpUtils.getInstanse().get("http://120.27.23.105/product/getCarts?uid=100", map, new Callback() {
- @Override
- public void onSuccess(String tag, Object o) {
- GsonBean bean = (GsonBean) o;
- if (bean != null) {
- List<GsonBean.DataBean> data = bean.getData();
- inv.Success(tag, data);
- }
- }
- @Override
- public void onFailure(String tag, Exception e) {
- inv.Failed(tag, e);
- }
- }, GsonBean.class, "news");
- }
- public void detachView() {
- if (inv != null) {
- inv = null;
- }
- }
- }
- package com.bwei.www.yuekaomoni.adapter;
- import android.content.Context;
- import android.view.View;
- import android.view.ViewGroup;
- import android.widget.BaseExpandableListAdapter;
- import android.widget.CheckBox;
- import android.widget.EditText;
- import android.widget.ImageView;
- import android.widget.TextView;
- import com.bumptech.glide.Glide;
- import com.bwei.www.yuekaomoni.R;
- import com.bwei.www.yuekaomoni.bean.GsonBean;
- import com.bwei.www.yuekaomoni.check.MessageEvent;
- import com.bwei.www.yuekaomoni.eventbusevent.PriceAndCountEvent;
- import com.bwei.www.yuekaomoni.myView.MyView;
- import org.greenrobot.eventbus.EventBus;
- import java.util.ArrayList;
- import java.util.List;
- import static com.bwei.www.yuekaomoni.R.id.img;
- import static com.bwei.www.yuekaomoni.R.id.mv;
- import static com.bwei.www.yuekaomoni.R.id.tv_content;
- import static com.bwei.www.yuekaomoni.R.id.tv_pri;
- /**
- * @作者
- * @时间 2017/11/18 11:17
- */
- public class StarExpanderAdapter extends BaseExpandableListAdapter {
- Context context;
- List<GsonBean.DataBean> dataBeen;
- ArrayList<List<GsonBean.DataBean.ListBean>> listBean;
- public StarExpanderAdapter(Context context, List<GsonBean.DataBean> dataBeen, ArrayList<List<GsonBean.DataBean.ListBean>> listBean) {
- this.context = context;
- this.dataBeen = dataBeen;
- this.listBean = listBean;
- }
- @Override
- public int getGroupCount() {
- return dataBeen.size();
- }
- @Override
- public int getChildrenCount(int i) {
- return listBean.get(i).size();
- }
- @Override
- public Object getGroup(int i) {
- return dataBeen.get(i);
- }
- @Override
- public Object getChild(int i, int i1) {
- return listBean.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;
- }
- //一级列表布局
- @Override
- public View getGroupView(final int i, boolean b, View view, ViewGroup viewGroup) {
- final GsonBean.DataBean groupBean = dataBeen.get(i);
- final GroupViewHolder holder;
- if(view==null){
- holder = new GroupViewHolder();
- view = View.inflate(context, R.layout.gw_item2, null);
- holder.tv_sbt = view.findViewById(R.id.tv_sign);
- holder.cbgroup = view.findViewById(R.id.cb_parent);
- view.setTag(holder);
- }else
- {
- holder = (GroupViewHolder) view.getTag();
- }
- holder.cbgroup.setChecked(groupBean.isGropuCb());
- holder.tv_sbt.setText(groupBean.getSellerName());
- //一级列表checkBox的点击事件
- holder.cbgroup.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View view) {
- //判断一级列表复选框的状态 设置为true或false
- groupBean.setGropuCb(holder.cbgroup.isChecked());
- //改变二级checkbod的状态
- changeChildeCbState(i,holder.cbgroup.isChecked());
- //算钱
- EventBus.getDefault().post(compute());
- //改变全选状态 isAllGroupCbSelect判断一级是否全部选中
- changeAllCbState(isAllGroupCbSelected());
- //必刷新
- notifyDataSetChanged();
- }
- });
- return view;
- }
- //二级列表布局
- @Override
- public View getChildView(final int i, final int i1, boolean b, View view, ViewGroup viewGroup) {
- final GsonBean.DataBean.ListBean clildBean = this.listBean.get(i).get(i1);
- final ChildViewHolder childViewHolder;
- if(view==null){
- view = View.inflate(context, R.layout.gwc_item, null);
- childViewHolder = new ChildViewHolder();
- childViewHolder.tv_sbt = (TextView) view.findViewById(R.id.tv_sbt);
- childViewHolder.img = (ImageView) view.findViewById(img);
- childViewHolder.tv_pri = (TextView) view.findViewById(tv_pri);
- childViewHolder.tv_content = (TextView) view.findViewById(tv_content);
- childViewHolder.cbChild =view.findViewById(R.id.cb_child);
- childViewHolder.mv = view.findViewById(mv);
- childViewHolder.tv_del = view.findViewById(R.id.tv_del);
- childViewHolder.et_et = (EditText) childViewHolder.mv.findViewById(R.id.et_et);
- view.setTag(childViewHolder);
- }else{
- childViewHolder = (ChildViewHolder) view.getTag();
- }
- childViewHolder.tv_sbt.setText(clildBean.getTitle());
- String images = clildBean.getImages();
- String[] split = images.split("\\|");
- Glide.with(context).load(split[0]).into(childViewHolder.img);
- childViewHolder.tv_pri.setText(clildBean.getPrice()+"");
- childViewHolder.tv_content.setText(clildBean.getSubhead());
- childViewHolder.cbChild.setChecked(clildBean.isChildCb());
- childViewHolder.et_et.setText(clildBean.getNum()+"");
- //加号
- childViewHolder.mv.setOnAddDelClickLstener(new MyView.OnAddDelClickLstener() {
- @Override
- public void onAddClick(View v) {
- int num = clildBean.getNum();
- //num为int类型所以要加空字符串
- childViewHolder.et_et.setText(++num+"");
- clildBean.setNum(num);
- //如果二级列表的checkbox为选中,计算价钱
- if (childViewHolder.cbChild.isChecked()){
- PriceAndCountEvent priceAndCountEvent = compute();
- EventBus.getDefault().post(priceAndCountEvent);
- }
- }
- //减号
- @Override
- public void onDelClick(View v) {
- int num = clildBean.getNum();
- if(num==1){
- return;
- }
- childViewHolder.et_et.setText(--num+"");
- clildBean.setNum(num);
- if(childViewHolder.cbChild.isChecked()){
- PriceAndCountEvent priceAndCountEvent = compute();
- EventBus.getDefault().post(priceAndCountEvent);
- }
- }
- });
- //删除
- childViewHolder.tv_del.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View view) {
- List<GsonBean.DataBean.ListBean> listBeen = listBean.get(i);
- GsonBean.DataBean.ListBean remove = listBeen.remove(i1);
- if(listBeen.size()==0){
- //先移除二级列表的集合,再移除一级列表的集合
- listBean.remove(i);
- dataBeen.remove(i);
- }
- //算钱
- EventBus.getDefault().post(compute());
- notifyDataSetChanged();
- }
- });
- //二级列表的点击事件
- childViewHolder.cbChild.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View view) {
- //设置该条目对象里的checked属性值
- clildBean.setChildCb(childViewHolder.cbChild.isChecked());
- //计算价钱
- PriceAndCountEvent priceAndCountEvent = compute();
- EventBus.getDefault().post(priceAndCountEvent);
- //判断当前checkbox是选中的状态
- if(childViewHolder.cbChild.isChecked()){
- //如果全部选中(isAllChildCbSelected)
- if(isAllChildCbSelected(i)){
- //改变一级列表的状态
- changGroupCbState(i,true);
- //改变全选的状态
- changeAllCbState(isAllGroupCbSelected());
- }
- }else {
- //如果没有全部选中,一级列表的checkbox为false不为选中
- changGroupCbState(i,false);
- changeAllCbState(isAllGroupCbSelected());
- }
- notifyDataSetChanged();
- }
- });
- return view;
- }
- @Override
- public boolean isChildSelectable(int i, int i1) {
- return true;
- }
- class GroupViewHolder {
- CheckBox cbgroup;
- TextView tv_sbt;
- }
- class ChildViewHolder {
- TextView tv_sbt;
- ImageView img;
- TextView tv_pri;
- TextView tv_content;
- CheckBox cbChild;
- MyView mv;
- TextView tv_del;
- EditText et_et;
- }
- /**
- * 改变二级列表checkbox状态
- * 如果一级选中,控制二级也选中
- * @param i
- * @param flag
- */
- private void changeChildeCbState(int i,boolean flag){
- List<GsonBean.DataBean.ListBean> listBeen = listBean.get(i);
- for (int j = 0; j <listBeen.size(); j++) {
- GsonBean.DataBean.ListBean listBean = listBeen.get(j);
- listBean.setChildCb(flag);
- }
- }
- /**
- * 判断一级列表是否全选中
- * @return
- */
- private boolean isAllGroupCbSelected(){
- for (int i = 0; i <dataBeen.size() ; i++) {
- GsonBean.DataBean dataBean = dataBeen.get(i);
- if(!dataBean.isGropuCb()){
- return false;
- }
- }
- return true;
- }
- /**
- * 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);
- }
- /**
- * 判断二级列表是否全部选中
- * @param i
- * @return
- */
- private boolean isAllChildCbSelected (int i){
- List<GsonBean.DataBean.ListBean> listBeen = listBean.get(i);
- for (int j = 0; j <listBeen.size() ; j++) {
- GsonBean.DataBean.ListBean listBean = listBeen.get(j);
- if(!listBean.isChildCb()){
- return false;
- }
- }
- return true;
- }
- /**
- * 改变一级列表checkbox状态
- *
- * @param i
- */
- private void changGroupCbState(int i,boolean flag){
- GsonBean.DataBean dataBean = dataBeen.get(i);
- dataBean.setGropuCb(flag);
- }
- /**
- * 改变二级列表checkbox状态
- * @param i
- * @param flag
- */
- private void changeChildCbState(int i,boolean flag){
- List<GsonBean.DataBean.ListBean> listBeen = listBean.get(i);
- for (int j = 0; j <listBeen.size() ; j++) {
- GsonBean.DataBean.ListBean listBean = listBeen.get(j);
- listBean.setChildCb(flag);
- }
- }
- /**
- * 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 <listBean.size() ; i++) {
- List<GsonBean.DataBean.ListBean> listBeen = listBean.get(i);
- for (int j = 0; j <listBeen.size() ; j++) {
- GsonBean.DataBean.ListBean listBean = listBeen.get(j);
- if(listBean.isChildCb()){
- price+=listBean.getNum()*listBean.getPrice();
- count+=listBean.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 < dataBeen.size(); i++) {
- changGroupCbState(i, flag);
- changeChildCbState(i, flag);
- }
- //算钱
- EventBus.getDefault().post(compute());
- notifyDataSetChanged();
- }
- }
- public class MessageEvent {
- private boolean checked;
- public boolean isChecked() {
- return checked;
- }
- public void setChecked(boolean checked) {
- this.checked = checked;
- }
- }
PriceAndCountEvent 类:
- 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;
- }
- }
MainActivity:
- package com.bwei.www.yuekaomoni;
- 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 com.bwei.www.yuekaomoni.Callback.IView;
- import com.bwei.www.yuekaomoni.adapter.StarExpanderAdapter;
- import com.bwei.www.yuekaomoni.bean.GsonBean;
- import com.bwei.www.yuekaomoni.eventbusevent.MessageEvent;
- import com.bwei.www.yuekaomoni.eventbusevent.PriceAndCountEvent;
- import com.bwei.www.yuekaomoni.present.PresentCar;
- import org.greenrobot.eventbus.EventBus;
- import org.greenrobot.eventbus.Subscribe;
- import java.util.ArrayList;
- import java.util.List;
- public class Main2Activity extends AppCompatActivity implements IView {
- private ExpandableListView elv;
- ArrayList<GsonBean.DataBean> dataBeen = new ArrayList<>();
- private CheckBox checkquan;
- private List<GsonBean.DataBean.ListBean> lists;
- ArrayList<List<GsonBean.DataBean.ListBean>> listBean = new ArrayList<>();
- private StarExpanderAdapter adapter;
- private TextView tv_price;
- private TextView tv_num;
- private PresentCar presentCar;
- @Override
- protected void onCreate(Bundle savedInstanceState) {
- super.onCreate(savedInstanceState);
- setContentView(R.layout.activity_main2);
- //注册一下
- EventBus.getDefault().register(this);
- //获取控件
- elv = (ExpandableListView) findViewById(R.id.elv);
- checkquan = (CheckBox) findViewById(R.id.checkbox2);
- tv_price = (TextView) findViewById(R.id.tv_price);
- tv_num = (TextView) findViewById(R.id.tv_num);
- //获取数据
- presentCar = new PresentCar();
- presentCar.attachView(this);
- presentCar.getNews();
- checkquan.setOnClickListener(new View.OnClickListener() {
- @Override
- public void onClick(View view) {
- //设置全选
- adapter.changeAllListCbState(checkquan.isChecked());
- }
- });
- }
- //销毁方法
- @Override
- protected void onDestroy() {
- super.onDestroy();
- //eventBus销毁
- EventBus.getDefault().unregister(this);
- if (presentCar!=null){
- presentCar.detachView();
- }
- }
- @Override
- public void Success(String tag, List<GsonBean.DataBean> list) {
- dataBeen.addAll(list);
- for (int i = 0; i < dataBeen.size(); i++) {
- GsonBean.DataBean bean = dataBeen.get(i);
- lists = bean.getList();
- listBean.add(lists);
- }
- adapter = new StarExpanderAdapter(Main2Activity.this,dataBeen,listBean);
- elv.setAdapter(adapter);
- //隐藏二级列表前小三角
- elv.setGroupIndicator(null);
- //使二级列表一直展示
- for (int i = 0; i <dataBeen.size() ; i++) {
- elv.expandGroup(i);
- }
- }
- @Override
- public void Failed(String tag, Exception e) {
- }
- //必写注解
- @Subscribe
- public void onMessageEvent(MessageEvent event) {
- checkquan.setChecked(event.isChecked());
- }
- @Subscribe
- public void onMessageEvent(PriceAndCountEvent event) {
- tv_num.setText("结算(" + event.getCount() + ")");
- tv_price.setText(event.getPrice() + "");
- }
- }
- package com.bwei.www.yuekaomoni.myView;
- import android.content.Context;
- import android.support.annotation.Nullable;
- import android.util.AttributeSet;
- import android.util.Log;
- import android.view.View;
- import android.widget.Button;
- import android.widget.EditText;
- import android.widget.LinearLayout;
- import com.bwei.www.yuekaomoni.R;
- /**
- * @作者
- * @时间 2017/11/18 09:56
- */
- public class MyView extends LinearLayout{
- private OnAddDelClickLstener lister;
- private Button btn_add;
- private Button txtAdd;
- private EditText et_et;
- private Button btn_del;
- //定义一个对外开放的接口
- public interface OnAddDelClickLstener{
- void onAddClick(View v);
- void onDelClick(View v);
- }
- public void setOnAddDelClickLstener(OnAddDelClickLstener lister){
- if(lister!=null){
- this.lister = lister;
- }
- }
- public MyView(Context context) {
- this(context,null);
- }
- public MyView(Context context, @Nullable AttributeSet attrs) {
- this(context, attrs,0);
- }
- public MyView(Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
- super(context, attrs, defStyleAttr);
- initView(context, attrs, defStyleAttr);
- }
- private void initView(Context context, AttributeSet attrs, int defStyleAttr) {
- View.inflate(context, R.layout.myview,this);
- btn_add = (Button) findViewById(R.id.btn_add);
- btn_del = (Button) findViewById(R.id.btn_del);
- et_et = (EditText) findViewById(R.id.et_et);
- btn_del.setOnClickListener(new OnClickListener() {
- @Override
- public void onClick(View view) {
- Log.e("AddDeleteView","点击了减号");
- lister.onDelClick(view);
- }
- });
- btn_add.setOnClickListener(new OnClickListener() {
- @Override
- public void onClick(View view) {
- Log.e("txtAdd","点击了加号");
- lister.onAddClick(view);
- }
- });
- }
- }