分类+retrofit+Rxjava

最新推荐文章于 2024-02-18 18:28:55 发布

原创最新推荐文章于 2024-02-18 18:28:55 发布 · 199 阅读

CC 4.0 BY-SA版权

本文介绍了一个基于Android的分类Fragment设计，该设计使用RecyclerView和GridLayoutManagers来展示商品分类，通过GridPresenter和RightPresenter获取数据，实现了左右联动效果。左适配器（LeftAdapter）用于展示分类名称，右适配器（RightAdapter）用于展示分类下的具体商品。

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MainActivity

package com.example.windows.ijingdong.fragment;

import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.LinearLayout;
import android.widget.TextView;

import com.example.windows.ijingdong.R;
import com.example.windows.ijingdong.XiangQingActivity;
import com.example.windows.ijingdong.adapter.LeftAdapter;
import com.example.windows.ijingdong.adapter.RightAdapter;
import com.example.windows.ijingdong.bean.GridBean;
import com.example.windows.ijingdong.bean.RightBean;
import com.example.windows.ijingdong.grid.presenter.GridPresenter;
import com.example.windows.ijingdong.grid.view.IGridView;
import com.example.windows.ijingdong.sort.right.presenter.RightPresenter;
import com.example.windows.ijingdong.sort.right.view.IRightView;
import com.recker.flybanner.FlyBanner;

import java.util.ArrayList;
import java.util.List;

import butterknife.BindView;
import butterknife.ButterKnife;


public class FenLeiFragment extends Fragment implements IGridView, IRightView {

    public static final String TAG = "FenLeiFragment";
    @BindView(R.id.rc_left)
    RecyclerView rcLeft;
    @BindView(R.id.ll_right)
    LinearLayout llRight;
    private List<GridBean.DataBean> list;
    private LeftAdapter leftAdapter;
    private RecyclerView.LayoutManager layoutManager;
    private GridPresenter gridPresenter;
    private List<RightBean.DataBean.ListBean> listBeans;
    private RightPresenter rightPresenter;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container,
                             Bundle savedInstanceState) {
        View view = inflater.inflate(R.layout.fragment_fen_lei, container, false);
        ButterKnife.bind(this, view);
        return view;
    }

    @Override
    public void onActivityCreated(@Nullable Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        list = new ArrayList<>();

        gridPresenter = new GridPresenter();
        gridPresenter.attach(this);
        gridPresenter.getGrid();

        leftAdapter = new LeftAdapter(getActivity(), list);
        layoutManager = new LinearLayoutManager(getActivity());
        rcLeft.setLayoutManager(layoutManager);
        rcLeft.setAdapter(leftAdapter);
        rightPresenter = new RightPresenter();
        rightPresenter.attah(this);
        leftAdapter.setOnItemClickListener(new LeftAdapter.OnItemClickListener() {
            @Override
            public void onItemClick(View itemView, int position) {

                GridBean.DataBean dataBean = list.get(position);
                rightPresenter.getRight(dataBean.getCid());
            }
        });
    }

    @Override
    public void success(GridBean gridBean) {
        list.clear();
        list.addAll(gridBean.getData());
        leftAdapter.notifyDataSetChanged();
    }

    @Override
    public void success(final RightBean rightBean) {
        llRight.removeAllViews();
        for (  int i = 0; i < rightBean.getData().size(); i++) {
            TextView textView = new TextView(getActivity());
            textView.setText(rightBean.getData().get(i).getName());
            llRight.addView(textView);

            listBeans = new ArrayList<>();
            RecyclerView recyclerView = new RecyclerView(getActivity());
            RecyclerView.LayoutManager layoutManager = new GridLayoutManager(getActivity(), 3);
            RightAdapter rightAdapter = new RightAdapter(getActivity(), listBeans);
            recyclerView.setLayoutManager(layoutManager);
            recyclerView.setAdapter(rightAdapter);

            listBeans.clear();
            listBeans.addAll(rightBean.getData().get(i).getList());
            rightAdapter.notifyDataSetChanged();
            llRight.addView(recyclerView);

        }
    }

    @Override
    public void failed(Exception e) {

    }

    @Override
    public void onResume() {
        super.onResume();
        rightPresenter.getRight("1");
    }

    @Override
    public void onDestroyView() {
        super.onDestroyView();
    }
}

fenlei.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal"
    android:background="#d4d4d4">

    <android.support.v7.widget.RecyclerView
        android:id="@+id/rc_left"
        android:layout_width="@dimen/dp_0"
        android:layout_weight="2"
        android:layout_height="match_parent"></android.support.v7.widget.RecyclerView>
    <LinearLayout
        android:orientation="vertical"
        android:layout_width="@dimen/dp_0"
        android:layout_weight="5"
        android:layout_height="wrap_content">
    <ScrollView
        android:id="@+id/sc"
        android:layout_width="match_parent"
        android:layout_height="wrap_content">
        <LinearLayout
            android:id="@+id/ll_right"
            android:orientation="vertical"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"></LinearLayout>
    </ScrollView>
    </LinearLayout>
</LinearLayout>

leftAdapter

package com.example.windows.ijingdong.adapter;

import android.content.Context;
import android.graphics.Color;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.example.windows.ijingdong.R;
import com.example.windows.ijingdong.bean.GridBean;
import java.util.List;

/**
 * Created by Windows on 2018/11/9.
 */

public class LeftAdapter extends RecyclerView.Adapter<LeftAdapter.ViewHolder> {
    private Context context;
    private List<GridBean.DataBean> list;

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

    public interface OnItemClickListener{
        void onItemClick(View itemView , int position);
    }
    private OnItemClickListener clickListener;
    public void setOnItemClickListener(OnItemClickListener clickListener){
        this.clickListener = clickListener;
    }
    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout_left, parent, false);
        ViewHolder holder = new ViewHolder(view);
        return holder;
    }

    @Override
    public void onBindViewHolder(final ViewHolder holder, final int position) {
        holder.txtTitles.setText(list.get(position).getName());
        holder.itemView.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if (clickListener != null){
                    clickListener.onItemClick(v,position);
                }
            }
        });

    }

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

    public class ViewHolder extends RecyclerView.ViewHolder{
        private TextView txtTitles;
        public ViewHolder(View itemView) {
            super(itemView);
            txtTitles = itemView.findViewById(R.id.txt_titles);
        }
    }
}

leftadapter.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:orientation="vertical">
    <TextView
        android:id="@+id/txt_titles"
        android:layout_marginTop="@dimen/dp_10"
        android:padding="@dimen/dp_5"
        android:gravity="center"
        android:layout_width="@dimen/dp_80"
        android:layout_height="wrap_content" />

</LinearLayout>

rightadapter

package com.example.windows.ijingdong.adapter;

import android.content.Context;
import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;

import com.example.windows.ijingdong.R;
import com.example.windows.ijingdong.bean.RightBean;
import com.facebook.drawee.view.SimpleDraweeView;

import java.util.List;

import static com.example.windows.ijingdong.fragment.FenLeiFragment.TAG;

/**
 * Created by Windows on 2018/11/9.
 */

public class RightAdapter extends RecyclerView.Adapter<RightAdapter.ViewHolder>{
    private Context context;
    private List<RightBean.DataBean.ListBean> listBeans;

    public RightAdapter(Context context, List<RightBean.DataBean.ListBean> listBeans) {
        this.context = context;
        this.listBeans = listBeans;
    }

    public interface OnRightItemClickListener{
        void onItemClick(View itemView , int position);
    }
    private OnRightItemClickListener clickListener;
    public void setOnRightItemClickListener(OnRightItemClickListener clickListener){
        this.clickListener = clickListener;
    }
    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout_right, parent, false);
        ViewHolder holder = new ViewHolder(view);
        return holder;
    }

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

        holder.imageLogos.setImageURI(listBeans.get(position).getIcon());
        holder.txtTitless.setText(listBeans.get(position).getName());
        }
    @Override
    public int getItemCount() {
        return listBeans.size();
    }

    public class ViewHolder extends RecyclerView.ViewHolder{
        private SimpleDraweeView imageLogos;
        private TextView txtTitless;
        public ViewHolder(View itemView) {
            super(itemView);
            imageLogos  = itemView.findViewById(R.id.image_logos);
            txtTitless = itemView.findViewById(R.id.txt_titless);
        }
    }
}

rightadapter.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:gravity="center"
    android:padding="@dimen/dp_10"
    android:orientation="vertical">

    <com.facebook.drawee.view.SimpleDraweeView
        android:id="@+id/image_logos"
        android:layout_width="@dimen/dp_30"
        android:layout_height="@dimen/dp_30" />
    <TextView
        android:id="@+id/txt_titless"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content" />
</LinearLayout>