使用Recyclerview展示Ui上面

作者: Android开发架构 | 来源:发表于2019-01-30 16:57 被阅读14次

使用Recyclerview展示Ui上面
简单通用的 Recyclerview Adapter
五分钟打造RecyclerView悬浮吸顶效果
优雅的实现侧滑抽屉-HorizontalDrawerLayout
RecyclerView<第八篇>：实现无限循环滚动
RecyclerView最上面数据被ActionBar盖住
RecyclerView Adapter封装1——单类型Item
RecyclerView + DataBinding实现的下拉刷
github中README.md模板
RecyclerView的基础篇-列表的展示

依赖：

implementation 'com.hjm:BottomTabBar:1.1.1'
implementation 'com.recker.flybanner:flybanner:1.3'
implementation 'com.nostra13.universalimageloader:universal-image-loader:1.9.2'
implementation 'com.github.bumptech.glide:glide:4.8.0'
implementation 'com.android.support:recyclerview-v7:28.0.0'
implementation'com.squareup.okhttp3:okhttp:3.7.0'
implementation'com.squareup.okio:okio:1.12.0'
implementation'com.android.support:design:28.0.0'
implementation 'com.google.code.gson:gson:2.8.5'

xml布局文件：

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:orientation="vertical"
    android:layout_height="match_parent">
    <com.gy.week2.TopBar
        android:id="@+id/topbar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:leftButttonBackgrount="@drawable/sel_11"
        app:rightButttonBackgrount="@drawable/sel_22"
        app:titleText="1608c"
        app:titleTextSize="30dp"
        app:titleTextColor="@color/colorPrimaryDark"></com.gy.week2.TopBar>
    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="horizontal">
        <android.support.v7.widget.RecyclerView
            android:id="@+id/recy1"
            android:layout_width="wrap_content"
            android:layout_height="match_parent">
        </android.support.v7.widget.RecyclerView>
        <android.support.v7.widget.RecyclerView
            android:id="@+id/recy2"
            android:layout_width="0dp"
            android:layout_weight="3"
            android:layout_height="match_parent">
        </android.support.v7.widget.RecyclerView>
    </LinearLayout>
</LinearLayout>

我这里面是两个Adapter.java代码：

import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import com.bumptech.glide.Glide;
import com.gy.week2.R;
import com.gy.week2.bean.GyBean;
import com.gy.week2.bean.LgyBean;

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

public class Shoopdapter extends RecyclerView.Adapter<Shoopdapter.ViewHolder> {
   private  TextView t1_you;
   private  ImageView img_you;
   Context context;
   GyBean dataBean;
   ArrayList<GyBean.DataBean.ListBean> list1;
   ArrayList<GyBean.DataBean.ListBean> list2;
   ArrayList<GyBean.DataBean.ListBean> list3;
   public Shoopdapter(Context context,ArrayList<GyBean.DataBean.ListBean> list1) {
       this.context=context;
       this.list1=list1;
   }
   @NonNull
   @Override
   //创建view视图
   public ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {

      // if (i==TYPRONE){
           //找布局
           View inflate = View.inflate(context, R.layout.you_iteam, null);
           //初始化viewholder
           ViewHolder viewHolder = new ViewHolder(inflate);
           return viewHolder;
   }
   @Override
   //绑定数据
   public void onBindViewHolder(@NonNull ViewHolder viewHolder, int i) {
       if (viewHolder instanceof ViewHolder){
           t1_you.setText(list1.get(i).getName());
           Glide.with(context).load(list1.get(i).getIcon()).into(img_you);
       }
   }
   @Override
   //返回条目数量
   public int getItemCount() {
       return list1.size();
   }

   class ViewHolder extends RecyclerView.ViewHolder {
       TextView tee1,tee2,tee3;
       ImageView imgee,imgee2,imgee3;

       public ViewHolder(@NonNull View itemView) {
           super(itemView);
           t1_you = itemView.findViewById(R.id.t1_you);
           img_you = itemView.findViewById(R.id.img_you);
       }
   }
}









//第二个:
import android.content.Context;
import android.support.annotation.NonNull;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.widget.Toast;

import com.gy.week2.R;
import com.gy.week2.bean.GyBean;
import com.gy.week2.bean.LgyBean;

import java.util.ArrayList;

public class FenAdapter extends RecyclerView.Adapter<FenAdapter.ViewHolder>{
   private  TextView t1_zuo;
   Context context;
   ArrayList<LgyBean.DataBean> list;
   RecyiteamClick recyiteamClick;
   public FenAdapter(Context context,ArrayList<LgyBean.DataBean> list) {
       this.context=context;
       this.list=list;
   }

   @NonNull
   @Override
   //创建view视图
   public ViewHolder onCreateViewHolder(@NonNull ViewGroup viewGroup, int i) {
       //找布局
       View inflate = View.inflate(context, R.layout.zuo_iteam, null);
       //初始化viewholder
       ViewHolder viewHolder = new ViewHolder(inflate);

       return viewHolder;
   }

   @Override
   //绑定数据
   public void onBindViewHolder(@NonNull ViewHolder viewHolder, final int i) {
       t1_zuo.setText(list.get(i).getName());
       t1_zuo.setOnClickListener(new View.OnClickListener() {
           @Override
           public void onClick(View v) {
               recyiteamClick.setClick(i);
           }
       });
   }

   //定义接口
   public interface RecyiteamClick{
       void setClick(int position);
   }
   public void SetRecyiteamClick(RecyiteamClick recyiteamClick){
       this.recyiteamClick=recyiteamClick;
   }

   @Override
   //返回条目数量
   public int getItemCount() {
       return list.size();
   }

   class ViewHolder extends RecyclerView.ViewHolder {
       TextView tee1;
       public ViewHolder(View itemView) {
           super(itemView);
           t1_zuo = itemView.findViewById(R.id.t1_zuo);
       }
   }
}

我这里是在fragment.java里面写的：

import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v4.app.Fragment;
import android.support.v7.widget.DividerItemDecoration;
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.Button;
import android.widget.TextView;
import android.widget.Toast;

import com.gy.week2.R;
import com.gy.week2.TopBar;
import com.gy.week2.adapter.FenAdapter;
import com.gy.week2.adapter.Shoopdapter;
import com.gy.week2.bean.GyBean;
import com.gy.week2.bean.LgyBean;
import com.gy.week2.home.presenter.HomePresenterimpl;
import com.gy.week2.home.view.IHomeView;
import com.gy.week2.shoop.presenter.ShoopPresenterimpl;
import com.gy.week2.shoop.view.IShoopView;

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

public class ShouYeFragment extends Fragment implements IHomeView,IShoopView {

   private View view;
   private LinearLayoutManager linearLayoutManager;
   private GridLayoutManager gridLayoutManager;
   private RecyclerView recy1;
   private RecyclerView recy2;
   private Button leftButton;
   private Button rightButton;
   private TopBar topbar;
   private FenAdapter fenAdapter;
   private HomePresenterimpl homePresenterimpl;
   private ShoopPresenterimpl shoopPresenterimpl;
   private Shoopdapter shoopdapter;

   @Nullable
   @Override
   public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
       view = inflater.inflate(R.layout.shouyefragment,container,false);
       init();
       return view;
   }
   void init(){
       recy1 = view.findViewById(R.id.recy1);
       recy2 = view.findViewById(R.id.recy2);
       topbar = view.findViewById(R.id.topbar);
       leftButton = view.findViewById(R.id.leftButton);
       rightButton = view.findViewById(R.id.rightButton);
       topbar.Setonclickinterface(new TopBar.Setonclick() {
           @Override
           public void SetLeftButtonclick() {
               getActivity().finish();
           }

           @Override
           public void SetRightButtonclick() {
               Toast.makeText(getContext(),"你好",Toast.LENGTH_LONG).show();
           }
       });
       //实例化presenter
       homePresenterimpl = new HomePresenterimpl(this);
       homePresenterimpl.getPreData("1");
       //实例化presenter
       shoopPresenterimpl = new ShoopPresenterimpl(this);
       shoopPresenterimpl.getShoopPreData();
       //初始化布局管理器
       //线性布局
       linearLayoutManager = new LinearLayoutManager(getContext());
       //网格布局
       gridLayoutManager = new GridLayoutManager(getContext(),3);
       //将布局添加到里面
       recy1.setLayoutManager(linearLayoutManager);
       //添加分割线
       recy1.addItemDecoration(new DividerItemDecoration(getContext(),DividerItemDecoration.VERTICAL));
       //将布局添加到里面
       recy2.setLayoutManager(gridLayoutManager);
       //添加分割线
       recy2.addItemDecoration(new DividerItemDecoration(getContext(),DividerItemDecoration.VERTICAL));
   }

   @Override
   public void getMvData(LgyBean lgyBean) {
       final List<LgyBean.DataBean> data = lgyBean.getData();
       fenAdapter = new FenAdapter(getContext(), (ArrayList<LgyBean.DataBean>) data);
       fenAdapter.SetRecyiteamClick(new FenAdapter.RecyiteamClick() {
           @Override
           public void setClick(int position) {
               /*Toast.makeText(getContext(),""+data.get(position).getCid(),Toast.LENGTH_LONG).show();*/
               homePresenterimpl.getPreData(data.get(position).getCid());
               shoopdapter.notifyDataSetChanged();

           }
       });
       recy1.setAdapter(fenAdapter);


   }

   @Override
   public void getMVdata(GyBean gyBean) {
       List<GyBean.DataBean.ListBean> list = gyBean.getData().get(0).getList();
       shoopdapter = new Shoopdapter(getContext(), (ArrayList<GyBean.DataBean.ListBean>) list);
       recy2.setAdapter(shoopdapter);

   }

   //解绑
   @Override
   public void onDestroy() {
       super.onDestroy();
       if (homePresenterimpl==null){
           homePresenterimpl.destory();
       }
   }
}

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