如何使用recyclerview从Firebase数据库中检索图像

dependencies {
    implementation 'com.google.firebase:firebase-database:19.7.0'
}

<androidx.recyclerview.widget.RecyclerView
    android:id="@+id/recyclerView"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
    private List<String> imageUrls;

    public MyAdapter(List<String> imageUrls) {
        this.imageUrls = imageUrls;
    }

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

    @Override
    public void onBindViewHolder(@NonNull ViewHolder holder, int position) {
        String imageUrl = imageUrls.get(position);
        // 使用图片加载库加载图像，例如Glide或Picasso
        Glide.with(holder.itemView.getContext()).load(imageUrl).into(holder.imageView);
    }

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

    public static class ViewHolder extends RecyclerView.ViewHolder {
        ImageView imageView;

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

public class MainActivity extends AppCompatActivity {
    private RecyclerView recyclerView;
    private MyAdapter adapter;
    private DatabaseReference databaseReference;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        recyclerView = findViewById(R.id.recyclerView);
        recyclerView.setLayoutManager(new LinearLayoutManager(this));

        // 获取Firebase数据库引用
        databaseReference = FirebaseDatabase.getInstance().getReference("images");

        // 从Firebase数据库检索图像URL数据
        databaseReference.addValueEventListener(new ValueEventListener() {
            @Override
            public void onDataChange(@NonNull DataSnapshot dataSnapshot) {
                List<String> imageUrls = new ArrayList<>();
                for (DataSnapshot snapshot : dataSnapshot.getChildren()) {
                    String imageUrl = snapshot.getValue(String.class);
                    imageUrls.add(imageUrl);
                }

                // 设置RecyclerView的适配器
                adapter = new MyAdapter(imageUrls);
                recyclerView.setAdapter(adapter);
            }

            @Override
            public void onCancelled(@NonNull DatabaseError databaseError) {
                // 处理取消操作的情况
            }
        });
    }
}

dependencies {
    implementation 'com.github.bumptech.glide:glide:4.12.0'
}