我就想在这个recycview中底部添加两个按钮
项目地址链接: https://pan.baidu.com/s/13EzJZ8CrRL6xRiFjUxJXqw 提取码: qjet
public class CollectFragment extends Fragment {
public RecyclerView mCollectRecyclerView;//定义RecyclerView
//定义以goodsentity实体类为对象的数据集合
private ArrayList<GoodsEntity> goodsEntityList = new ArrayList<GoodsEntity>();
//自定义recyclerveiw的适配器
private CollectRecycleAdapter mCollectRecyclerAdapter;
private static ChangeFragment mChange;
public static CollectFragment newInstance(ChangeFragment changeFragment) {
mChange = changeFragment;
Bundle args = new Bundle();
CollectFragment fragment = new CollectFragment();
fragment.setArguments(args);
return fragment;
}
@Nullable
@Override
public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
//获取fragment的layout
View view = inflater.inflate(R.layout.recyclerview, container, false);
//对recycleview进行配置
return view;
}
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
initRecyclerView(view);
//模拟数据
initData();
}
/**
* TODO 模拟数据
*/
private void initData() {
for (int i=0;i<10;i++){
GoodsEntity goodsEntity=new GoodsEntity();
goodsEntity.setGoodsName("模拟数据"+i);
goodsEntity.setGoodsPrice("100"+i);
goodsEntityList.add(goodsEntity);
}
}
/**
* TODO 对recycleview进行配置
*/
private void initRecyclerView(View view) {
//获取RecyclerView
mCollectRecyclerView=view.findViewById(R.id.collect_recyclerView);
//创建adapter
mCollectRecyclerAdapter = new CollectRecycleAdapter(getActivity(), goodsEntityList);
//给RecyclerView设置adapter
mCollectRecyclerView.setAdapter(mCollectRecyclerAdapter);
//设置layoutManager,可以设置显示效果,是线性布局、grid布局,还是瀑布流布局
//参数是:上下文、列表方向(横向还是纵向)、是否倒叙
mCollectRecyclerView.setLayoutManager(new LinearLayoutManager(getActivity(), LinearLayoutManager.VERTICAL, false));
//设置item的分割线
mCollectRecyclerView.addItemDecoration(new DividerItemDecoration(getActivity(),DividerItemDecoration.VERTICAL));
//RecyclerView中没有item的监听事件,需要自己在适配器中写一个监听事件的接口。参数根据自定义
mCollectRecyclerAdapter.setOnItemClickListener(new CollectRecycleAdapter.OnItemClickListener() {
@Override
public void OnItemClick(View view, GoodsEntity data) {
//此处进行监听事件的业务处理
Toast.makeText(getActivity(),"我是item",Toast.LENGTH_SHORT).show();
mChange.changeAttractionsContent();
}
});
}
}
public class CollectRecycleAdapter extends RecyclerView.Adapter<CollectRecycleAdapter.myViewHodler> {
private Context context;
private ArrayList<GoodsEntity> goodsEntityList;
//创建构造函数
public CollectRecycleAdapter(Context context, ArrayList<GoodsEntity> goodsEntityList) {
//将传递过来的数据,赋值给本地变量
this.context = context;//上下文
this.goodsEntityList = goodsEntityList;//实体类数据ArrayList
}
/**
* 创建viewhodler,相当于listview中getview中的创建view和viewhodler
*
* @param parent
* @param viewType
* @return
*/
@Override
public myViewHodler onCreateViewHolder(ViewGroup parent, int viewType) {
//创建自定义布局
View itemView = View.inflate(context, R.layout.item_content, null);
return new myViewHodler(itemView);
}
/**
* 绑定数据,数据与view绑定
*
* @param holder
* @param position
*/
@Override
public void onBindViewHolder(myViewHodler holder, int position) {
//根据点击位置绑定数据
GoodsEntity data = goodsEntityList.get(position);
// holder.mItemGoodsImg;
holder.mItemGoodsName.setText(data.goodsName);//获取实体类中的name字段并设置
holder.mItemGoodsPrice.setText(data.goodsPrice);//获取实体类中的price字段并设置
}
/**
* 得到总条数
*
* @return
*/
@Override
public int getItemCount() {
return goodsEntityList.size();
}
//自定义viewhodler
class myViewHodler extends RecyclerView.ViewHolder {
private ImageView mItemGoodsImg;
private TextView mItemGoodsName;
private TextView mItemGoodsPrice;
public myViewHodler(View itemView) {
super(itemView);
mItemGoodsImg = itemView.findViewById(R.id.tx_news_simple_photos_01);
mItemGoodsName = itemView.findViewById(R.id.tx_news_simple_photos_title);
mItemGoodsPrice = itemView.findViewById(R.id.tx_news_simple_photos_time);
//点击事件放在adapter中使用,也可以写个接口在activity中调用
//方法一:在adapter中设置点击事件
itemView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//可以选择直接在本位置直接写业务处理
//Toast.makeText(context,"点击了xxx",Toast.LENGTH_SHORT).show();
//此处回传点击监听事件
if(onItemClickListener!=null){
onItemClickListener.OnItemClick(v, goodsEntityList.get(getLayoutPosition()));
}
}
});
}
}
/**
* 设置item的监听事件的接口
*/
public interface OnItemClickListener {
/**
* 接口中的点击每一项的实现方法,参数自己定义
*
* @param view 点击的item的视图
* @param data 点击的item的数据
*/
public void OnItemClick(View view, GoodsEntity data);
}
//需要外部访问,所以需要设置set方法,方便调用
private OnItemClickListener onItemClickListener;
public void setOnItemClickListener(OnItemClickListener onItemClickListener) {
this.onItemClickListener = onItemClickListener;
}
}