优化Android ScrollView中大量图片的布局性能

<!-- item_image_text.xml (用于列表中的单个项目) -->
<androidx.constraintlayout.widget.ConstraintLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:padding="8dp">

    <ImageView
        android:id="@+id/imageView"
        android:layout_width="64dp"
        android:layout_height="64dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintBottom_toBottomOf="parent"
        android:src="@drawable/placeholder_image"
        android:scaleType="centerCrop"/>

    <TextView
        android:id="@+id/textViewTitle"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:text="图片标题"
        android:textSize="16sp"
        android:textStyle="bold"
        android:layout_marginStart="8dp"
        app:layout_constraintStart_toEndOf="@id/imageView"
        app:layout_constraintTop_toTopOf="@id/imageView"
        app:layout_constraintEnd_toEndOf="parent"/>

    <TextView
        android:id="@+id/textViewDescription"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:text="这是图片的简短描述，展示了相关信息。"
        android:textSize="14sp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="4dp"
        app:layout_constraintStart_toEndOf="@id/imageView"
        app:layout_constraintTop_toBottomOf="@id/textViewTitle"
        app:layout_constraintEnd_toEndOf="parent"/>

</androidx.constraintlayout.widget.ConstraintLayout>

// 在Activity或Fragment中
RecyclerView recyclerView = findViewById(R.id.my_recycler_view);
recyclerView.setLayoutManager(new GridLayoutManager(this, 3)); // 3列网格布局
MyImageAdapter adapter = new MyImageAdapter(imageDataList); // 假设imageDataList是图片数据
recyclerView.setAdapter(adapter);

// MyImageAdapter.java (适配器示例)
public class MyImageAdapter extends RecyclerView.Adapter<MyImageAdapter.ImageViewHolder> {

    private List<ImageData> mImageDataList;

    public MyImageAdapter(List<ImageData> imageDataList) {
        mImageDataList = imageDataList;
    }

    @NonNull
    @Override
    public ImageViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
        // 使用ConstraintLayout作为单个列表项的布局
        View view = LayoutInflater.from(parent.getContext())
                        .inflate(R.layout.item_image_text, parent, false);
        return new ImageViewHolder(view);
    }

    @Override
    public void onBindViewHolder(@NonNull ImageViewHolder holder, int position) {
        ImageData data = mImageDataList.get(position);
        // 使用Glide/Picasso等库加载图片，避免在主线程加载
        // Glide.with(holder.imageView.getContext()).load(data.getImageUrl()).into(holder.imageView);
        holder.imageView.setImageResource(data.getImageResId()); // 示例：加载本地资源
        holder.textViewTitle.setText(data.getTitle());
        holder.textViewDescription.setText(data.getDescription());
    }

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

    // ViewHolder，持有列表项的视图引用
    public static class ImageViewHolder extends RecyclerView.ViewHolder {
        ImageView imageView;
        TextView textViewTitle;
        TextView textViewDescription;

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