java阻止在过滤适配器数据时重新加载图像[Android]
我正在从片段搜索视图调用filter data函数,它工作正常,数据被过滤,但是图像被重新加载。如何防止这种情况
public menuadapter(ArrayList<GridItem> mGridDat, Context context, OnItemClickListener listener) {
this.mGridData=new ArrayList<GridItem>();
this.orignallist=new ArrayList<GridItem>();
mGridData.addAll(mGridDat);
orignallist.addAll(mGridDat);
this.context = context;
this.listener = listener;
this.Session=new session(context);
}
public void onBindViewHolder(final MyViewHolder holder, final int position) {
final Activity activity = (Activity)context;
String capital=mGridData.get(position).getTitle().substring(0,1).toUpperCase()+mGridData.get(position).getTitle().substring(1).toLowerCase();
holder.txtview.setText(capital);
Picasso.with(context).load(mGridData.get(position).getImage()).fit().centerCrop().skipMemoryCache().into(holder.imageView);
}
过滤数据函数
public void filterData(String query){
query=query.toLowerCase();
//Log.v("check1",String.valueOf(orignallist.size()));
mGridData.clear();
if(query.isEmpty()){
mGridData.addAll(orignallist);
// Log.v("check2",String.valueOf(orignallist.size()));
}
else {
//Log.v("check0",String.valueOf(orignallist.size()));
ArrayList<GridItem> newlist = new ArrayList<>();
for(GridItem gd: orignallist) {
if ((gd.getTitle().toLowerCase().contains(query)) ) {
newlist.add(gd);
}
}
if(newlist.size()> 0){
mGridData.addAll(newlist);
}
}
notifyDataSetChanged();
}
# 1 楼答案
为了避免重新修改图像,我想到的解决方案是
一种是删除与查询不匹配的图像并保留其他图像。类似于-
您可以隐藏与查询不匹配的元素,然后显示它是否与另一个匹配
itemView.setVisibility(View.GONE);
# 2 楼答案
试试这个
您需要使用below属性和not
skipMemoryCache()
https://square.github.io/picasso/2.x/picasso/com/squareup/picasso/NetworkPolicy.html