RecyclerView在BindViewHolder上设置的位置错误 [英] RecyclerView wrong position set onBindViewHolder
本文介绍了RecyclerView在BindViewHolder上设置的位置错误的处理方法,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
首先,我的RecyclerView项正常,但是在滚动时,项目显示在错误的位置,例如:位置67处显示了项目6.尽管onClick侦听器和getAdapterPosition()可以正常工作并显示正确的项目.为什么?
At First, my RecyclerView items are ok, but on scrolling, items are shown on the wrong position for example: item 6 shown in position 67. Although onClick listener and getAdapterPosition() works good and shows correct items. WHY?
import android.content.Context;
import android.graphics.Typeface;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import com.neganet.darotabii.R;
import com.neganet.darotabii.beans.headers_Bean;
import java.util.List;
public class FSecAdapter2 extends RecyclerView.Adapter<FSecAdapter2.mViewHolder> {
private static List<headers_Bean> items_t;
private static int secNo;
private Typeface font;
private boolean showSoreName;
private static Context mContext;
private static String сolorString;
private static String fSubjectText="";
private static Static_Datas static_datas;
private static QDataGetter dataGetter;
public FSecAdapter2(List<headers_Bean> t_items, Context cnt, int secNo) {
setHasStableIds(true);
this.mContext=cnt;
this.items_t = t_items;
this.static_datas=new Static_Datas(mContext);
this.secNo=secNo;
}
public static class mViewHolder extends RecyclerView.ViewHolder implements View.OnClickListener {
private OnTitleClickListener titClickListener;
static TextView title;
public mViewHolder(View itemView) {
super(itemView);
this.title = (TextView) itemView.findViewById(R.id.title2);
this.title.setTypeface(static_datas.get_titr_1_Font());
this.title.setOnClickListener(this);
this.titClickListener=(OnTitleClickListener) FSecAdapter2.mContext;
}
@Override
public void onClick(View v) {
titClickListener.onTitleClick(v,items_t.get(getAdapterPosition()).serial+"*"+items_t.get(getAdapterPosition()).titr);
}
}
@Override
public mViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View itemView;
itemView = LayoutInflater.from(parent.getContext()).inflate(R.layout.titles_item, parent, false);
mViewHolder mVH=new mViewHolder(itemView);
return mVH;
}
@Override
public void onBindViewHolder(mViewHolder holder, int position) {
final headers_Bean curHbean=this.items_t.get(position);
try {
holder.title.setText(static_datas.fa_Ye_Ke(curHbean.titr));
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public int getItemCount() {
return items_t.size();
}
public interface OnTitleClickListener {
public void onTitleClick(View v, String serial);
}
public void updateData(headers_Bean newHead){
items_t.add(items_t.size(),newHead);
notifyItemInserted(items_t.size()-1);
}}
及其片段:
mAdapter = new FSecAdapter2(titList,getActivity(),secNo);
final LinearLayoutManager mLayoutManager = new LinearLayoutManager(this.getActivity());
mLayoutManager.setOrientation(LinearLayoutManager.VERTICAL);
titRecycle.setLayoutManager(mLayoutManager);
titRecycle.setItemAnimator(new DefaultItemAnimator());
titRecycle.setAdapter(mAdapter);
推荐答案
in public void onBindViewHolder()
添加
holder.setIsRecyclable(false);
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