2024.4.27

Post实体类
package com.example.photo1;

import java.util.List;
import android.net.Uri;

public class Post {
private String text;
private List imageUris;

public Post(String text, List imageUris) {
this.text = text;
this.imageUris = imageUris;
}

public String getText() {
return text;
}

public List getImageUris() {
return imageUris;
}
}
post适配器文件PostAdapter.java
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 posts;
private Context context;

public PostAdapter(List 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);
}
}
}
post_item.xml文件