這是我的代碼
當我向上和向下滾動時,圖像也添加到其他位置,即使在那些位置圖像路徑不存在。假設圖像路徑是在1,2和3的位置,但它也表示在圖像位置4,10,15等當我在Recyclelerview回滾不能正常工作時滾動向下
public class Contact_Adapter_RecyeckView extends
RecyclerView.Adapter<Contact_Adapter_RecyeckView.ViewHolder> {
private ArrayList<ContactBean> arraylist;
private Context context;
public Contact_Adapter_RecyeckView(Context context,
ArrayList<ContactBean> arrayListImages) {
this.arraylist = arrayListImages;
this.context = context;
}
// Create new views (invoked by the layout manager)
@Override
public Contact_Adapter_RecyeckView.ViewHolder onCreateViewHolder(
ViewGroup parent, int viewType) {
// create a new view
View itemLayoutView = LayoutInflater.from(parent.getContext()).inflate(
R.layout.contact_adapter_recycleview, null);
// create ViewHolder
ViewHolder viewHolder = new ViewHolder(itemLayoutView);
return viewHolder;
}
// Replace the contents of a view (invoked by the layout manager)
@Override
public void onBindViewHolder(ViewHolder viewHolder, int pos) {
String image = arraylist.get(pos).getImage();
File imgFile = new File(image);
if(imgFile.exists())
{
viewHolder.ivProfile.setImageURI(Uri.fromFile(imgFile));
}
//viewHolder.ivProfile.setImageBitmap(BitmapFactory.decodeFile(arraylist.get(pos).getImage()));
//viewHolder.ivProfile.setVisibility(View.VISIBLE);
// inner class to hold a reference to each item of RecyclerView
public static class ViewHolder extends RecyclerView.ViewHolder {
public ImageView ivProfile;
public View view;
public CardView cardview;
public ViewHolder(View itemLayoutView) {
super(itemLayoutView);
ivProfile = (ImageView) itemLayoutView
.findViewById(R.id.iv_user_profile);
}
}
// Return the size of your itemsData (invoked by the layout manager)
@Override
public int getItemCount() {
return arraylist.size();
}}
我看到這個鏈接太一些其他太但仍問題是相同scroll when change找不到
也許是因爲'imgFile.exists()''回報FALSE',嘗試在其他集團設置的默認圖像。 – Rami
如果沒有圖像路徑,圖像變量包含空白 – tarun
您需要在其他區域重置默認圖像(空白圖像),否則回收機制將重新使用舊圖像。 – Rami