RecyclerView多条目

package com.example.yk_moni1.base;

import android.content.Context;

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.example.yk_moni1.MyGson;

import com.example.yk_moni1.R;

import java.util.List;

/**

* Created by John on 2018/5/30 0030.

*/

public class MyBase extends RecyclerView.Adapter<RecyclerView.ViewHolder> {

private Context context;//上下文

private List<MyGson.DataBean> list;//集合

private static final int IMG_ONE = 0;//布局是一张图片的

private static final int IMG_THREE = 1;//布局是三张图片的

public MyBase(Context context, List<MyGson.DataBean> list) {

this.context = context;

this.list = list;

}

/**

*

* @param parent

* @param viewType

* @return

* 加载布局 创建ViewHolder

*

*/

@Override

public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {

int viewType1 = getItemViewType(viewType);

if(viewType1 == IMG_ONE){

View view = View.inflate(context, R.layout.myabse_img1,null);

MyViewHolder holder = new MyViewHolder(view);

return holder;

}else {

View view = View.inflate(context, R.layout.myabse_img3,null);

MyViewHolder2 holder2 = new MyViewHolder2(view);

return holder2;

}

}

//绑定数据

@Override

public void onBindViewHolder(RecyclerView.ViewHolder holder, final int position) {

int itemViewType = getItemViewType(position);

if(itemViewType == IMG_ONE){

MyViewHolder holder1 = (MyViewHolder) holder;

holder1.txt_title1.setText(list.get(position).getBrief());

holder1.txt_time11.setText(list.get(position).getDate());

holder1.txt_laiy11.setText(list.get(position).getSource());

//下载图片

List<MyGson.DataBean.LbimgBean> lbimg = list.get(position).getLbimg();

String src = lbimg.get(0).getSrc();

Glide.with(context).load(src).into(holder1.img_tu11);

}

if(itemViewType == IMG_THREE){

MyViewHolder2 holder2 = (MyViewHolder2) holder;

holder2.txt_title31.setText(list.get(position).getBrief());

holder2.txt_time31.setText(list.get(position).getDate());

holder2.txt_laiy31.setText(list.get(position).getSource());

//下载图片

List<MyGson.DataBean.LbimgBean> lbimg = list.get(position).getLbimg();

String src = lbimg.get(0).getSrc();

String src1 = list.get(position).getMiniimg().get(0).getSrc();

String src2 = list.get(position).getMiniimg02().get(0).getSrc();

Glide.with(context).load(src).into(holder2.img_tu31);

Glide.with(context).load(src1).into(holder2.img_tu32);

Glide.with(context).load(src2).into(holder2.img_tu33);

}

//设置条目长按点击事件

holder.itemView.setOnLongClickListener(new View.OnLongClickListener() {

@Override

public boolean onLongClick(View view) {

if(icallBack != null){

icallBack.onLongClick(position);

}

return false;

}

});

}

//得到条目的数量

@Override

public int getItemCount() {

return list.size();

}

//判断确定的条目 应该是什么布局

@Override

public int getItemViewType(int position) {

if(position%3 == 0){

return IMG_ONE;

}else {

return IMG_THREE;

}

}

public class MyViewHolder extends RecyclerView.ViewHolder{

private final ImageView img_tu11;

private final TextView txt_title1;

private final TextView txt_time11;

private final TextView txt_laiy11;

public MyViewHolder(View itemView) {

super(itemView);

//获取资源ID

img_tu11 = itemView.findViewById(R.id.img_tu11);

txt_title1 = itemView.findViewById(R.id.txt_title11);

txt_time11 = itemView.findViewById(R.id.txt_time11);

txt_laiy11 = itemView.findViewById(R.id.txt_laiy11);

}

}

public class MyViewHolder2 extends RecyclerView.ViewHolder{

private final ImageView img_tu31;

private final ImageView img_tu32;

private final ImageView img_tu33;

private final TextView txt_title31;

private final TextView txt_time31;

private final TextView txt_laiy31;

public MyViewHolder2(View itemView) {

super(itemView);

//获取资源ID

img_tu31 = itemView.findViewById(R.id.img_tu31);

img_tu32 = itemView.findViewById(R.id.img_tu32);

img_tu33 = itemView.findViewById(R.id.img_tu33);

txt_title31 = itemView.findViewById(R.id.txt_title3);

txt_time31 = itemView.findViewById(R.id.txt_time3);

txt_laiy31 = itemView.findViewById(R.id.txt_laiy3);

}

}

//1.定义接口

public interface IcallBack{

void onLongClick(int position);//条目长按事件

}

//2.声明接口对象

private IcallBack icallBack;

//3.提供外部调用的方法

public void setOnLongClick(IcallBack icallBack){

this.icallBack = icallBack;

}

//删除数据

public void removeItem(int position){

list.remove(position);

notifyItemRemoved(position);

}

}