RecyclerView适配器显示错误的图像 [英] RecyclerView adapter showing wrong images
本文介绍了RecyclerView适配器显示错误的图像的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我有一个看起来像这样的RecyclerView适配器:
I have a RecyclerView adapter that looks like this:
public class RecyclerAdapter extends RecyclerView.Adapter<RecyclerAdapter.ViewHolder> {
private static Context context;
private List<Message> mDataset;
public RecyclerAdapter(Context context, List<Message> myDataset) {
this.context = context;
this.mDataset = myDataset;
}
public static class ViewHolder extends RecyclerView.ViewHolder implements View.OnCreateContextMenuListener, View.OnClickListener {
public TextView title;
public LinearLayout placeholder;
public ViewHolder(View view) {
super(view);
view.setOnCreateContextMenuListener(this);
title = (TextView) view.findViewById(R.id.title);
placeholder = (LinearLayout) view.findViewById(R.id.placeholder);
}
}
@Override
public RecyclerAdapter.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.message_layout, parent, false);
ViewHolder vh = new ViewHolder((LinearLayout) view);
return vh;
}
@Override
public void onBindViewHolder(ViewHolder holder, int position) {
Message item = mDataset.get(position);
holder.title.setText(item.getTitle());
int numImages = item.getImages().size();
if (numImages > 0) {
View test = LayoutInflater.from(holder.placeholder.getContext()).inflate(R.layout.images, holder.placeholder, false);
ImageView image = (ImageView) test.findViewById(R.id.image);
Glide.with(context)
.load("http://www.website.com/test.png")
.fitCenter()
.into(image);
holder.placeholder.addView(test);
}
}
@Override
public int getItemCount() {
return mDataset.size();
}
}
但是,RecyclerView中的某些项目在不应显示的时候显示图像.我该如何阻止这种情况的发生?
However, some of the items in the RecyclerView are showing images when they shouldn't be. How can I stop this from happening?
我在 onBindViewHolder()
中执行 if(numImages> 0){
图片.
推荐答案
您应设置 imageView.setImageDrawable(空)
在使用glide设置图像之前,在 onBindViewHolder()
中.
You should set imageView.setImageDrawable (null)
In onBindViewHolder()
before setting the image using glide.
将可绘制图像设置为null可解决此问题.
Setting image drawable to null fix the issue.
希望有帮助!
这篇关于RecyclerView适配器显示错误的图像的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文