2024.5.15

第四十九天

所花时间：2小时

代码量：200+

博客量：1

了解到的知识点：

package com.example.photo1;

import android.content.Context;
import android.net.Uri;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;

import com.bumptech.glide.Glide;

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

public class PostAdapter extends RecyclerView.Adapter<PostAdapter.PostViewHolder> {
    private List<Post> posts;
    private Context context;

    public PostAdapter(List<Post> posts, Context context) {
        this.posts = posts;
        this.context = context;
    }

    @NonNull
    @Override
    public PostViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        View view = LayoutInflater.from(context).inflate(R.layout.post_item, parent, false);
        return new PostViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull PostViewHolder holder, int position) {
        Post post = posts.get(position);
        holder.textViewPost.setText(post.getText());
        Glide.with(context).load(post.getImageUris().get(0)).into(holder.imageViewPost);
    }

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

    public static class PostViewHolder extends RecyclerView.ViewHolder {
        TextView textViewPost;
        ImageView imageViewPost;

        public PostViewHolder(@NonNull View itemView) {
            super(itemView);
            textViewPost = itemView.findViewById(R.id.textViewPost);
            imageViewPost = itemView.findViewById(R.id.imageViewPost);
        }
    }
}