recycleview展示后台图片加文字
时间: 2023-07-09 09:05:32 浏览: 43
要在RecyclerView中显示后台图片加文字,你需要创建一个自定义的RecyclerView Adapter,并在其中实现ViewHolder和RecyclerView.Adapter方法。然后使用Picasso或Glide等库从后台加载图片并将其显示在RecyclerView的每个项目中。以下是一个示例代码:
```java
public class MyAdapter extends RecyclerView.Adapter<MyAdapter.ViewHolder> {
private List<DataModel> mData;
public static class ViewHolder extends RecyclerView.ViewHolder {
public ImageView mImageView;
public TextView mTextView;
public ViewHolder(View v) {
super(v);
mImageView = (ImageView) v.findViewById(R.id.image_view);
mTextView = (TextView) v.findViewById(R.id.text_view);
}
}
public MyAdapter(List<DataModel> data) {
mData = data;
}
@Override
public ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View v = LayoutInflater.from(parent.getContext())
.inflate(R.layout.item_layout, parent, false);
ViewHolder vh = new ViewHolder(v);
return vh;
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
DataModel data = mData.get(position);
holder.mTextView.setText(data.getText());
// 从后台加载图片并显示
Picasso.get().load(data.getImageUrl()).into(holder.mImageView);
}
@Override
public int getItemCount() {
return mData.size();
}
public static class DataModel {
private String mText;
private String mImageUrl;
public DataModel(String text, String imageUrl) {
mText = text;
mImageUrl = imageUrl;
}
public String getText() {
return mText;
}
public String getImageUrl() {
return mImageUrl;
}
}
}
```
在上面的示例代码中,我们使用Picasso库从后台加载图片并将其显示在ImageView中。同时,我们还设置了一个TextView来显示文字。你可以根据自己的需求进行修改。