我在我的 ListView 中实现了一个原生广告，它运行良好，但每次聚焦时都会重新加载。有什么办法可以让我保持实例或视图，这样它就不会每次都重新加载。或者我可以阻止视图的重新创建吗？
class CustomAdapter extends BaseAdapter {
String content, currentFile, pv;
@Override
public int getCount() {
return fileList.size();
}
@Override
public Object getItem(int i) {
return null;
}
@Override
public long getItemId(int i) {
return 0;
}
@Override
public View getView(int i, View view, ViewGroup viewGroup) {
if (i == 0) {
if (isNetworkAvailable()) {
// ad loads here
LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
view = inflater.inflate(R.layout.native_ad_item, null);
final CardView cardView = (CardView) view.findViewById(R.id.card_view);
NativeExpressAdView adView = (NativeExpressAdView) view.findViewById(R.id.nativeAd);
AdRequest request = new AdRequest.Builder().addTestDevice("264647BDFDDB6FBB0F34C797D5D53A4D").build();
adView.loadAd(request);
}
} else {
LayoutInflater inflater = (LayoutInflater) getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
view = inflater.inflate(R.layout.purchased_list_item, null);
// rest of the code
}
return view;
}