RxJava+Retrofit+Mvp 购物车

来源：互联网发布：淘宝卖家寄屎编辑：程序博客网时间：2024/06/08 15:29

依赖

//黄油刀
    compile 'com.jakewharton:butterknife:8.8.1'
    annotationProcessor 'com.jakewharton:butterknife-compiler:8.8.1'
    compile 'com.android.support:recyclerview-v7:26.0.0-alpha1'
    //Retrofit
    compile 'com.squareup.retrofit2:retrofit:2.3.0'//retrofit依赖
    compile 'com.squareup.retrofit2:converter-gson:2.3.0'//retrofit内部封装的GSON
    //fresco
    compile 'com.facebook.fresco:fresco:0.12.0'
    compile 'com.facebook.fresco:animated-base-support:0.12.0'
    compile 'com.facebook.fresco:animated-webp:0.12.0'
    compile 'com.facebook.fresco:webpsupport:0.12.0'

    //2.0 Rxjava
    compile "io.reactivex.rxjava2:rxjava:2.1.7"
    compile "com.squareup.retrofit2:adapter-rxjava2:2.3.0"
    compile 'io.reactivex.rxjava2:rxandroid:2.0.1'

compile 'com.squareup.okhttp3:okhttp:3.9.0'
compile 'com.google.code.gson:gson:2.8.1'

values 下创建 attrs 文件

</resources

activity_main

<LinearLayout
        android:id="@+id/top_bar"
        android:layout_width="match_parent"
        android:layout_height="48dp"
        android:background="#f7f7f7"
        android:orientation="vertical" >

                    <TextView
                        android:id="@+id/total_price"
                        android:layout_width="wrap_content"
                        android:layout_height="wrap_content"
                        android:text="￥0.00"
                        android:textColor="#f23232"
                        android:textSize="16sp"
                        android:textStyle="bold" />
                </LinearLayout>
                <TextView
                    android:id="@+id/total_number"
                    android:layout_width="match_parent"
                    android:layout_height="wrap_content"
                    android:text="共有商品:0件"
                    android:gravity="right"
                    android:textSize="16sp"
                    android:textStyle="bold" />
            </LinearLayout>
            <TextView
                android:id="@+id/tv_go_to_pay"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_weight="3"
                android:background="#fd7a05"
                android:clickable="true"
                android:gravity="center"
                android:text="结算"
                android:textColor="#FAFAFA"

/>
</LinearLayout>

</LinearLayout>
</LinearLayout>

ex_child_item

<com.facebook.drawee.view.SimpleDraweeView
            android:id="@+id/shop_img"
            android:layout_width="90dp"
            android:layout_height="90dp"
            android:layout_marginTop="30dp"
            fresco:placeholderImage="@mipmap/ic_launcher"
            android:layout_below="@+id/shop_name"
            android:layout_alignParentLeft="true"
            android:layout_alignParentStart="true"
            />

        <com.bwei.gepeng.myview.AddDeleteView
            android:id="@+id/adv"
            android:layout_width="160dp"
            android:layout_height="30dp"
            android:layout_below="@+id/shop_price"
            android:layout_marginTop="30dp"
            android:layout_marginLeft="140dp"
            app:left_text="-"
            app:right_text="+"
            app:middle_text="1"
            android:focusable="false"
            >

</com.bwei.gepeng.myview.AddDeleteView>

</LinearLayout>

ex_group_item

</LinearLayout>

layout_add_delete

</LinearLayout>

适配器

public class ExpandableAdapter extends BaseExpandableListAdapter {

// private static final String TAG = "ExpandableAdapter二级列表适配器";

    private Context context;
    private List<GroupBean> groupBeen=new ArrayList<>();
    private List<List<ChildBean>> childBeen=new ArrayList<>();

private MainActivity main;

    public ExpandableAdapter(Context context, List<GroupBean> groupBeen, List<List<ChildBean>> childBeen) {
        this.context = context;
        this.groupBeen = groupBeen;
        this.childBeen = childBeen;
        this.main = (MainActivity) context;
    }

    @Override
    public int getGroupCount() {
        return groupBeen.size();
    }

    @Override
    public int getChildrenCount(int i) {
        return childBeen.get(i).size();
    }

    @Override
    public Object getGroup(int i) {
        return groupBeen.get(i).getSellerName();
    }

    @Override
    public Object getChild(int i, int i1) {
        return childBeen.get(i).get(i1).getTitle();
    }

    @Override
    public long getGroupId(int i) {
        return i;
    }

    @Override
    public long getChildId(int i, int i1) {
        return i1;
    }

    @Override
    public boolean hasStableIds() {
        return false;
    }

    //一级组
    @Override
    public View getGroupView(final int i, boolean b, View view, ViewGroup viewGroup) {
        //加载视图
        view=View.inflate(context, R.layout.ex_group_item ,null);

final CheckBox groupCb= view.findViewById(R.id.group_checkbox);
TextView shopName= view.findViewById(R.id.shop_name);

shopName.setText(groupBeen.get(i).getSellerName());
groupCb.setChecked(groupBeen.get(i).isGropuCb());

        //组复选按钮
        groupCb.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                boolean gchecked = groupCb.isChecked();
                groupBeen.get(i).setGropuCb(gchecked);
                //Main2Activity main= (Main2Activity) context;
                for(GroupBean i: groupBeen){
                    boolean gropuCb = i.isGropuCb();
                    if(!gropuCb){
                        main.allCheckbox.setChecked(false);
                        break;
                    }else{
                        main.allCheckbox.setChecked(true);
                    }
                }
                int size = childBeen.get(i).size();
                if(gchecked){
                    for(int r=0;r<size;r++){
                        //Toast.makeText(context,"group按钮"+ gchecked+""+size, Toast.LENGTH_SHORT).show();
                        childBeen.get(i).get(r).setChildCb(true);
                    }
                }else{
                    for(int r=0;r<size;r++){
                        //Toast.makeText(context,"group按钮"+ gchecked+""+size, Toast.LENGTH_SHORT).show();
                        childBeen.get(i).get(r).setChildCb(false);
                    }
                }
                notifyDataSetChanged();
                main.changesum(childBeen);
            }
        });
        return view;
    }

    //二级组
    @Override
    public View getChildView(final int i, final int i1, boolean b, View v, ViewGroup viewGroup) {
        //加载视图
        v=View.inflate(context, R.layout.ex_child_item ,null);

        final CheckBox childCb = v.findViewById(R.id.child_checkbox);
        TextView shopTitle= v.findViewById(R.id.shop_title);
        TextView shopPrice= v.findViewById(R.id.shop_price);
        //ImageView shopImg=v.findViewById(R.id.shop_img);
        //draweeView.setImageURI(uri);
        SimpleDraweeView shopImg = v.findViewById(R.id.shop_img);
        final AddDeleteView adv = v.findViewById(R.id.adv);
        Button shop_delete=v.findViewById(R.id.shop_delete);

        childCb.setChecked(childBeen.get(i).get(i1).isChildCb());
        String images = childBeen.get(i).get(i1).getImages();
        //Glide.with(context).load(images).into(shopImg);
        shopImg.setImageURI(images);
        shopTitle.setText(childBeen.get(i).get(i1).getTitle());
        shopPrice.setText(childBeen.get(i).get(i1).getPrice()+"");
        adv.setNumber(childBeen.get(i).get(i1).getNum());

        //final Main2Activity main= (Main2Activity) context;
        //控制删除按钮的显隐
        if(childBeen.get(i).get(i1).isBtn()){
            shop_delete.setVisibility(View.VISIBLE);
        }else{
            shop_delete.setVisibility(View.INVISIBLE);
        }
        //删除按钮监听
        shop_delete.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                int size = childBeen.get(i).size();
                if(size==1){
                    childBeen.remove(i);
                    groupBeen.remove(i);
                }else{
                    childBeen.get(i).remove(i1);
                }
                //点击删除后隐藏所有删除按钮
                for (List<ChildBean> i1:childBeen){
                    for(int r=0;r<i1.size();r++) {
                        i1.get(r).setBtn(false);
                    }
                }
                notifyDataSetChanged();
                main.changesum(childBeen);
            }
        });

//加减器逻辑

        adv.setOnAddDelClickListener(new AddDeleteView.OnAddDelClickListener() {
            @Override
            public void onAddClick(View v) {
                int number = adv.getNumber();
                number++;
                adv.setNumber(number);
                childBeen.get(i).get(i1).setNum(number);
                main.changesum(childBeen);
            }

            @Override
            public void onDelClick(View v) {
                int number = adv.getNumber();
                if(number==1){
                    Toast.makeText(context,"用户最小数量为1",Toast.LENGTH_SHORT).show();
                }
                number--;
                adv.setNumber(number);
                childBeen.get(i).get(i1).setNum(number);
                main.changesum(childBeen);
            }
        });

        //二级组的复选框监听
        childCb.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                boolean flag=false;
                boolean cchecked = childCb.isChecked();
                childBeen.get(i).get(i1).setChildCb(cchecked);
                //Toast.makeText(context,"child按钮"+ cchecked+""+i1, Toast.LENGTH_SHORT).show();
               // Main2Activity main= (Main2Activity) context;
                for (List<ChildBean> i1:childBeen){
                    for(int r=0;r<i1.size();r++) {
                        boolean childCb1 = i1.get(r).isChildCb();
                        if(!childCb1){
                            main.allCheckbox.setChecked(false);
                            groupBeen.get(i).setGropuCb(false);
                            flag=true;
                            break;
                        }else{
                            main.allCheckbox.setChecked(true);
                            groupBeen.get(i).setGropuCb(true);
                        }
                    }
                    if(flag){
                        break;
                    }
                }

                int size = childBeen.get(i).size();
                for(int x=0;x<size;x++) {
                    boolean childCb1 = childBeen.get(i).get(x).isChildCb();
                    if(!childCb1){
                        groupBeen.get(i).setGropuCb(false);
                        break;
                    }else{
                        groupBeen.get(i).setGropuCb(true);
                    }
                }
                notifyDataSetChanged();
                main.changesum(childBeen);
            }
        });

return v;
}

    @Override
    public boolean isChildSelectable(int i, int i1) {
        return false;
    }
}

----------------------------------------------------------------------------------

bean 类

public class ChildBean {
    private String title;
    private String images;
    private double price;
    private int num;
    private boolean childCb;
    private boolean btn;

    public ChildBean(String title, String images, double price, int num, boolean childCb, boolean btn) {
        this.title = title;
        this.images = images;
        this.price = price;
        this.num = num;
        this.childCb = childCb;
        this.btn = btn;
    }

    public boolean isBtn() {
        return btn;
    }

    public void setBtn(boolean btn) {
        this.btn = btn;
    }

    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public String getImages() {
        return images;
    }

    public void setImages(String images) {
        this.images = images;
    }

    public double getPrice() {
        return price;
    }

    public void setPrice(double price) {
        this.price = price;
    }

    public int getNum() {
        return num;
    }

    public void setNum(int num) {
        this.num = num;
    }

    public boolean isChildCb() {
        return childCb;
    }

    public void setChildCb(boolean childCb) {
        this.childCb = childCb;
    }

    @Override
    public String toString() {
        return "ChildBean{" +
                "title='" + title + '\'' +
                ", images='" + images + '\'' +
                ", price=" + price +
                ", num=" + num +
                ", childCb=" + childCb +
                '}';
    }
}

-----------------------------------------------------------

请求的数据bean类

public class DataBean {
    /**
     * 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":2,"pid":24,"price":288,"pscid":2,"selected":0,"sellerid":1,"subhead":"三只松鼠零食特惠，专区满99减50，满199减100，火速抢购》","title":"三只松鼠坚果炒货零食奶油味碧根果225g/袋"}]
     * sellerName : 商家1
     * sellerid : 1
     */

    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 : 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 : 2
         * pid : 24
         * price : 288.0
         * pscid : 2
         * selected : 0
         * sellerid : 1
         * subhead : 三只松鼠零食特惠，专区满99减50，满199减100，火速抢购》
         * title : 三只松鼠坚果炒货零食奶油味碧根果225g/袋
         */

        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;
        }
    }

}

-------------------------------------------------------------------------

组合bean类

public class GroupBean {
private String sellerName;
private boolean gropuCb;

    public GroupBean(String sellerName, boolean gropuCb) {
        this.sellerName = sellerName;
        this.gropuCb = gropuCb;
    }

    public String getSellerName() {
        return sellerName;
    }

    public void setSellerName(String sellerName) {
        this.sellerName = sellerName;
    }

    public boolean isGropuCb() {
        return gropuCb;
    }

    public void setGropuCb(boolean gropuCb) {
        this.gropuCb = gropuCb;
    }

    @Override
    public String toString() {
        return "GroupBean{" +
                "sellerName='" + sellerName + '\'' +
                ", gropuCb=" + gropuCb +
                '}';
    }
}

-----------------------------------------------------------------------

组合泛型bean类

public class MsgBean <T> {
    private String code;
    private String msg;
    private T data;

    public MsgBean(String code, String msg, T data) {
        this.code = code;
        this.msg = msg;
        this.data = data;
    }

public MsgBean() {
}

    public String getCode() {
        return code;
    }

    public void setCode(String code) {
        this.code = code;
    }

    public String getMsg() {
        return msg;
    }

    public void setMsg(String msg) {
        this.msg = msg;
    }

    public T getData() {
        return data;
    }

    public void setData(T data) {
        this.data = data;
    }

    @Override
    public String toString() {
        return "MsgBean{" +
                "code='" + code + '\'' +
                ", msg='" + msg + '\'' +
                ", data=" + data +
                '}';
    }
}

--------------------------------------------------------------

http类请求网络数据

public interface ApiService {
    //http://120.27.23.105/product/getCarts?uid=3802&source=android
    @GET("product/getCarts")
    Flowable<MsgBean<List<DataBean>>> getGoods(@QueryMap Map<String,String> map);
}

-------------------------------------------

public class RetrofitUtils {
private static volatile RetrofitUtils instance;
private final Retrofit retrofit;

    private RetrofitUtils(){
        OkHttpClient client=new OkHttpClient.Builder()
                .addInterceptor(new Logger())
                .build();
        retrofit = new Retrofit.Builder()
                .client(client)
                .addCallAdapterFactory(RxJava2CallAdapterFactory.create())
                .addConverterFactory(GsonConverterFactory.create())
                .baseUrl("http://120.27.23.105/")
                .build();

}

    public static RetrofitUtils getInstance(){
        if(instance==null){
            synchronized (RetrofitUtils.class){
                if(instance==null){
                    instance=new RetrofitUtils();
                }
            }
        }
        return instance;
    }

    public ApiService getApiService(){
        ApiService apiService = retrofit.create(ApiService.class);
        return apiService;
    }

    class Logger implements Interceptor {
        @Override
        public Response intercept(Chain chain) throws IOException {
            Request original = chain.request();
            HttpUrl url=original.url().newBuilder()
                    .addQueryParameter("source","android")
                    .build();
            //添加请求头
            Request request = original.newBuilder()
                    .url(url)
                    .build();
            return chain.proceed(request);
        }
    }

}
-------------------------------------------------------

model 层

public interface IModel {
void getData(Map<String,String> map);
}

-----------------------

public class Model implements IModel{

private BasePresenter presenter;

    public Model(BasePresenter presenter) {
        this.presenter = presenter;
    }

    @Override
    public void getData(Map<String, String> map) {
        Flowable<MsgBean<List<DataBean>>> flowable = RetrofitUtils.getInstance().getApiService().getGoods(map);
        presenter.get(flowable);
    }
}

------------------------------------

加减器主类

public class AddDeleteView extends LinearLayout {
private OnAddDelClickListener listener;
private EditText etNumber;

    //对外提供一个点击的回调接口
    public interface OnAddDelClickListener{
        void onAddClick(View v);
        void onDelClick(View v);
    }

    public void setOnAddDelClickListener(OnAddDelClickListener listener){
        if(listener!=null){
            this.listener=listener;
        }
    }

    public AddDeleteView(Context context) {
        this(context,null);
    }

    public AddDeleteView(Context context, AttributeSet attrs) {
        this(context, attrs,0);
    }

    public AddDeleteView(Context context, 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.layout_add_delete,this);

        //获取控件
        TextView txtDelete=findViewById(R.id.txt_delete);
        TextView txtAdd=findViewById(R.id.txt_add);
        etNumber = findViewById(R.id.et_number);

TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.AddDeleteViewStyle);

        String leftText = typedArray.getString(R.styleable.AddDeleteViewStyle_left_text);
        String rightText = typedArray.getString(R.styleable.AddDeleteViewStyle_right_text);
        String middleText = typedArray.getString(R.styleable.AddDeleteViewStyle_middle_text);
        int color = typedArray.getColor(R.styleable.AddDeleteViewStyle_left_text_color, Color.RED);

        txtDelete.setText(leftText);
        txtAdd.setText(rightText);
        etNumber.setText(middleText);
        txtDelete.setTextColor(color);

//回收
typedArray.recycle();

        txtDelete.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                listener.onDelClick(view);
            }
        });

        txtAdd.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View view) {
                listener.onAddClick(view);
            }
        });

    }
    //对外提供一个修改数字的方法
    public void setNumber(int number){
        if(number>0){
            etNumber.setText(number+"");
        }
    }
    //对外提供一个获取当前数字的方法
    public int getNumber(){
        String string = etNumber.getText().toString();
        int i = Integer.parseInt(string);
        return i;
    }

}

------------------------------------------------

presenter 层

public class BasePresenter implements IPresenter{

private IView iView;
private DisposableSubscriber<MsgBean<List<DataBean>>> subscriber;

    public void attachView(IView iView){
        this.iView=iView;
    }

    @Override
    public void getData(Map<String, String> map) {
        Model model = new Model(this);
        model.getData(map);
    }

    public void detachView(){
        if(subscriber!=null){
            //如果该资源已被处理，则可一次性返回true。如果没有被处理返回false
            if(!subscriber.isDisposed()){
                subscriber.dispose();
            }
        }

}

    public void get(Flowable<MsgBean<List<DataBean>>> flowable){
        subscriber = flowable.subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribeWith(new DisposableSubscriber<MsgBean<List<DataBean>>>() {
                    @Override
                    public void onNext(MsgBean<List<DataBean>> dataBeanMsgBean) {
                        List<GroupBean> groupBeen = new ArrayList<>();
                        List<List<ChildBean>> childBeen = new ArrayList<>();

                        List<DataBean> data = dataBeanMsgBean.getData();
                        for (DataBean i : data) {
                            GroupBean groupBean = new GroupBean(i.getSellerName(), false);
                            groupBeen.add(groupBean);
                            List<DataBean.ListBean> list = i.getList();
                            List<ChildBean> ls = new ArrayList<>();
                            for (DataBean.ListBean w : list) {
                                String[] split = w.getImages().split("\\|");
                                ChildBean childBean = new ChildBean(w.getTitle(), split[0], w.getPrice(), 1, false, false);
                                ls.add(childBean);
                            }
                            childBeen.add(ls);

                        }
                        iView.OnSuccess(groupBeen,childBeen);
                    }

@Override
public void onError(Throwable t) {

}

@Override
public void onComplete() {

}
});

}

---------------------------------------------

public interface IPresenter {
void getData(Map<String,String> map);
}

---------------------------------------------

Fresco图片初始化

public class App extends Application{
    @Override
    public void onCreate() {
        super.onCreate();
        Fresco.initialize(this);
    }
}

--------------------------------------

view 层

public interface IView {

void OnSuccess(List<GroupBean> groupBeen,List<List<ChildBean>> childBeen);
void OnFailed(Exception e);
}

--------------------------------------

主类

public class MainActivity extends AppCompatActivity implements IView{

private static final String TAG = "gepeng";

    @BindView(R.id.all_chekbox)
    public CheckBox allCheckbox;
    @BindView(R.id.exListView)
    ExpandableListView exListView;
    @BindView(R.id.total_price)
    TextView totalPrice;
    @BindView(R.id.total_number)
    TextView totalnumber;

List<GroupBean> groupBeen = new ArrayList<>();
List<List<ChildBean>> childBeen = new ArrayList<>();

private ExpandableAdapter expandableAdapter;

private boolean flagedit = true;
private BasePresenter basePresenter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ButterKnife.bind(this);

        //RX retrofit
        basePresenter = new BasePresenter();
        basePresenter.attachView(this);
        Map<String, String> map1 = new HashMap<>();
        map1.put("uid", "3802");
        basePresenter.getData(map1);

        //获取二级列表适配器
        expandableAdapter = new ExpandableAdapter(MainActivity.this, groupBeen, childBeen);
        exListView.setAdapter(expandableAdapter);

        for (int i = 0; i < expandableAdapter.getGroupCount(); i++) {
            exListView.expandGroup(i);
        }

        exListView.setOnGroupClickListener(new ExpandableListView.OnGroupClickListener() {
            @Override
            public boolean onGroupClick(ExpandableListView expandableListView, View view, int i, long l) {
                return true;
            }
        });

}

    //计算和数量总价
    public void changesum(List<List<ChildBean>> childBeen) {
        int count = 0;
        double sum = 0;
        for (List<ChildBean> i1 : childBeen) {
            for (int r = 0; r < i1.size(); r++) {
                boolean childCb1 = i1.get(r).isChildCb();
                if (childCb1) {
                    double price = i1.get(r).getPrice();
                    int num = i1.get(r).getNum();
                    sum += price * num;
                    count++;
                }
            }
        }
        totalPrice.setText("￥" + sum);
        totalnumber.setText("共有商品:" + count + "件");
    }

    @OnClick({R.id.edit, R.id.all_chekbox})
    public void onViewClicked(View view) {
        switch (view.getId()) {
            case R.id.edit:
                for (List<ChildBean> i1 : childBeen) {
                    for (int r = 0; r < i1.size(); r++) {
                        i1.get(r).setBtn(flagedit);
                    }
                }
                flagedit = !flagedit;
                expandableAdapter.notifyDataSetChanged();
                break;
            case R.id.all_chekbox:
                boolean checked = allCheckbox.isChecked();
                for (GroupBean i : groupBeen) {
                    i.setGropuCb(checked);
                }
                for (List<ChildBean> i1 : childBeen) {
                    for (int r = 0; r < i1.size(); r++) {
                        i1.get(r).setChildCb(checked);
                    }
                }
                expandableAdapter.notifyDataSetChanged();
                changesum(childBeen);
                break;
        }
    }

    @Override
    public void OnSuccess(List<GroupBean> groupBeen, List<List<ChildBean>> childBeen) {
        this.groupBeen.addAll(groupBeen);
        this.childBeen.addAll(childBeen);
        for (int i = 0; i < expandableAdapter.getGroupCount(); i++) {
            exListView.expandGroup(i);
        }
        expandableAdapter.notifyDataSetChanged();
    }

@Override
public void OnFailed(Exception e) {

}

    @Override
    protected void onDestroy() {
        super.onDestroy();
        if(basePresenter!=null){
            basePresenter.detachView();
        }
    }
}

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