京东分类

public class MainActivity extends AppCompatActivity implements IMainView,IShopCartView {

    @BindView(R.id.Rexycler_View)
    RecyclerView Rexycler_View;
    @BindView(R.id.Expand_View)
    ExpandableListView ExpandView;
    @BindView(R.id.edt_sousuo)
    TextView edtSousuo;
    @BindView(R.id.img_my)
    ImageView imgMy;
    private PresentMain presentMain;
    private ShopCartPresent shopCartPresent;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
        ButterKnife.bind(this);
        presentMain = new PresentMain(this);
        presentMain.getShop("1");

        shopCartPresent = new ShopCartPresent(this);
        shopCartPresent.getShopCart("1");

        imgMy.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                Intent intent = new Intent(MainActivity.this,MyActivity.class);
                startActivity(intent);
            }
        });
    }

    @Override
    public void success(ShopCartBean shopCartBean) {

        Log.i("aaa", shopCartBean.getData().size() + "");
        List<ShopCartBean.DataBean> list = shopCartBean.getData();
        Rexycler_View.setLayoutManager(new LinearLayoutManager(MainActivity.this, LinearLayoutManager.VERTICAL, false));
        ShopApdater apdater = new ShopApdater(MainActivity.this, list);
        Rexycler_View.setAdapter(apdater);

        apdater.setOnCatagoryLisenter(new ShopApdater.OnCatagoryLisenter() {
            @Override
            public void onNameClick(int cid) {
                shopCartPresent.getShopCart(cid + "");
            }
        });

    }

    @Override
    public void Error(String msg) {

    }

    @Override
    public void success(ShopClassBean shopClassBean) {

        List<ShopClassBean.DataBean> beanList = shopClassBean.getData();

        if (beanList.size() == 0) {

            Toast.makeText(MainActivity.this, "该分类没有商品", Toast.LENGTH_LONG).show();
        } else {
            ExApdater exApdater = new ExApdater(beanList);
            ExpandView.setAdapter(exApdater);

            for (int i = 0; i < beanList.size(); i++) {

                ExpandView.expandGroup(i);
            }
        }
    }
}

 

<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="wrap_content"
    tools:context=".MainActivity"
    android:orientation="vertical"
    >

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="50dp">

        <FrameLayout
            android:layout_weight="1"
            android:layout_width="0dp"
            android:layout_height="wrap_content">

            <TextView
                android:id="@+id/edt_sousuo"
                android:layout_marginTop="8dp"
                android:textSize="20sp"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:hint="请输入搜内容"
                android:layout_gravity="center"
                />


        </FrameLayout>

         <ImageView
             android:id="@+id/img_my"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:src="@mipmap/ic_launcher"
             />

    </LinearLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        >

        <android.support.v7.widget.RecyclerView
            android:id="@+id/Rexycler_View"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"></android.support.v7.widget.RecyclerView>
        <ExpandableListView
            android:id="@+id/Expand_View"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"></ExpandableListView>

    </LinearLayout>


</LinearLayout>

 

public class ShopApdater  extends RecyclerView.Adapter<MyViewHoder> {
    Context context;
    List<ShopCartBean.DataBean> list;

    public ShopApdater(Context context, List<ShopCartBean.DataBean> list) {
        this.context = context;
        this.list = list;
    }

    @NonNull
    @Override
    public MyViewHoder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {

        MyViewHoder hoder = new MyViewHoder(LayoutInflater.from(context).inflate(R.layout.recylerview_item,parent,false));
        return hoder;
    }

    @Override
    public void onBindViewHolder(@NonNull MyViewHoder holder, final int position) {

        holder.tv_item_name.setText(list.get(position).getName());

        holder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(onCatagoryLisenter!=null){

                    onCatagoryLisenter.onNameClick(list.get(position).getCid());
                }
            }
        });
    }

    @Override
    public int getItemCount() {
        return list.size();
    }

    public interface OnCatagoryLisenter {
        void onNameClick(int cid);
    }

    private OnCatagoryLisenter onCatagoryLisenter;

    public void setOnCatagoryLisenter(OnCatagoryLisenter onCatagoryLisenter) {
        this.onCatagoryLisenter = onCatagoryLisenter;
    }

}

 

public class ExApdater extends BaseExpandableListAdapter {
    List<ShopClassBean.DataBean> list;

    public ExApdater(List<ShopClassBean.DataBean> beanList) {
        this.list = beanList;
    }

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

    @Override
    public int getChildrenCount(int groupPosition) {
        return 1;
    }

    @Override
    public Object getGroup(int groupPosition) {
        return list.get(groupPosition);
    }

    @Override
    public Object getChild(int groupPosition, int childPosition) {
        return list.get(groupPosition).getList().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(int groupPosition, boolean isExpanded, View convertView, ViewGroup parent) {

        if(convertView==null){
            convertView=View.inflate(parent.getContext(), R.layout.group_item,null);
        }
        TextView group_name = convertView.findViewById(R.id.group_name);

        group_name.setText(list.get(groupPosition).getName());
        return convertView;
    }

    @Override
    public View getChildView(int groupPosition, int childPosition, boolean isLastChild, View convertView, ViewGroup parent) {

        if(convertView==null){

            convertView=View.inflate(parent.getContext(),R.layout.grit_item,null);
        }

        MyGridView grid = convertView.findViewById(R.id.grid);
        List<ShopClassBean.DataBean.ListBean> list = this.list.get(groupPosition).getList();
        grid.setAdapter(new GridApdater(list));
        return convertView;
    }

    @Override
    public boolean isChildSelectable(int groupPosition, int childPosition) {
        return true;
    }
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">


    <TextView
        android:id="@+id/group_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="name"
        />

</LinearLayout>

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

  <com.bwie.week_3.view.MyGridView
      android:id="@+id/grid"
      android:padding="10dp"
      android:layout_marginTop="20dp"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:numColumns="3"
      ></com.bwie.week_3.view.MyGridView>

</LinearLayout>

 

public class MyGridView extends GridView {
    public MyGridView(Context context) {
        this(context,null,0);
    }

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

    public MyGridView(Context context, AttributeSet attrs, int defStyleAttr) {
        super(context, attrs, defStyleAttr);
    }


    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        int spec = MeasureSpec.makeMeasureSpec(Integer.MAX_VALUE >> 2, MeasureSpec.AT_MOST);
        super.onMeasure(widthMeasureSpec, spec);
    }
}

 

public class GridApdater extends BaseAdapter {
    List<ShopClassBean.DataBean.ListBean> list;

    public GridApdater(List<ShopClassBean.DataBean.ListBean> list) {
        this.list = list;
    }

    @Override
    public int getCount() {
        return list.size();
    }

    @Override
    public Object getItem(int position) {
        return list.get(position);
    }

    @Override
    public long getItemId(int position) {
        return position;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {

        ViewHolder holder;
        if (convertView == null) {

            convertView = View.inflate(parent.getContext(), R.layout.child_item, null);
            holder=new ViewHolder(convertView);
            convertView.setTag(holder);
        }else {

            holder= (ViewHolder) convertView.getTag();
        }

        holder.childImg.setImageURI(Uri.parse(list.get(position).getIcon()));
        holder.childName.setText(list.get(position).getName());
        return convertView;
    }

    static class ViewHolder {
        @BindView(R.id.child_img)
        SimpleDraweeView childImg;
        @BindView(R.id.child_name)
        TextView childName;

        ViewHolder(View view) {
            ButterKnife.bind(this, view);
        }
    }
}

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="wrap_content">

    <com.facebook.drawee.view.SimpleDraweeView
        android:id="@+id/child_img"
        android:layout_width="50dp"
        android:layout_height="50dp"

        />
    <TextView
        android:id="@+id/child_name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="name"
        />
</LinearLayout>