将自定义可绘制添加到数组中,然后添加到RecyclerView的步骤如下:
下面是一个示例代码,演示了如何将自定义可绘制添加到数组中,然后添加到RecyclerView:
// 创建自定义可绘制对象
Drawable drawable1 = getResources().getDrawable(R.drawable.drawable1);
Drawable drawable2 = getResources().getDrawable(R.drawable.drawable2);
Drawable drawable3 = getResources().getDrawable(R.drawable.drawable3);
// 创建数组并添加可绘制对象
ArrayList<Drawable> drawableList = new ArrayList<>();
drawableList.add(drawable1);
drawableList.add(drawable2);
drawableList.add(drawable3);
// 创建RecyclerView适配器
public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
private ArrayList<Drawable> drawableList;
public MyAdapter(ArrayList<Drawable> drawableList) {
this.drawableList = drawableList;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_layout, parent, false);
return new ViewHolder(view);
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
Drawable drawable = drawableList.get(position);
holder.imageView.setImageDrawable(drawable);
}
@Override
public int getItemCount() {
return drawableList.size();
}
public class ViewHolder extends RecyclerView.ViewHolder {
ImageView imageView;
public ViewHolder(View itemView) {
super(itemView);
imageView = itemView.findViewById(R.id.image_view);
}
}
}
// 设置RecyclerView的适配器
RecyclerView recyclerView = findViewById(R.id.recycler_view);
MyAdapter adapter = new MyAdapter(drawableList);
recyclerView.setAdapter(adapter);
请注意,以上示例代码仅为演示目的,您需要根据实际情况进行适当的修改和调整。
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