[英]How can I use ViewPropertyAnimator in a ListView with a custom ArrayAdapter?
I have a custom ArrayAdapter
populating a ListView
. 我有一个自定义ArrayAdapter
填充ListView
。 Here it is: 这里是:
public class FilesAdapter extends ArrayAdapter<PutioFileLayout> {
Context context;
int layoutResourceId;
List<PutioFileLayout> data = null;
public FilesAdapter(Context context, int layoutResourceId, List<PutioFileLayout> data) {
super(context, layoutResourceId, data);
this.layoutResourceId = layoutResourceId;
this.context = context;
this.data = data;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
View row = convertView;
FileHolder holder = null;
if (row == null) {
LayoutInflater inflater = ((Activity) context).getLayoutInflater();
row = inflater.inflate(layoutResourceId, parent, false);
holder = new FileHolder();
holder.textName = (TextView) row.findViewById(R.id.text_fileListName);
holder.textDescription = (TextView) row.findViewById(R.id.text_fileListDesc);
holder.imgIcon = (ImageView) row.findViewById(R.id.img_fileIcon);
row.setTag(holder);
} else {
holder = (FileHolder) row.getTag();
}
PutioFileLayout file = data.get(position);
holder.textName.setText(file.name);
holder.textDescription.setText(file.description);
holder.imgIcon.setImageResource(file.icon);
return row;
}
static class FileHolder {
TextView textName;
TextView textDescription;
ImageView imgIcon;
}
}
I have a Fragment
that initializes the custom adapter at first with one item, which says "Loading", then does some network stuff, and finally updates the adapter with the real information. 我有一个Fragment
,首先用一个项目初始化自定义适配器,其中显示“正在加载”,然后执行一些网络操作,最后使用真实信息更新适配器。
I want to have some kind of animation for when the loading is done and the real info comes in. Maybe a simple fade out. 我希望在加载完成和真实信息进入时有一些动画。也许是一个简单的淡出。 But I can't figure out how I can use .animate()
on any of my ListView
's rows when this takes place. 但是当我发生这种情况时,我无法弄清楚如何在我的任何ListView
行上使用.animate()
。
How should I go about this? 我该怎么办呢?
在你的回调中,只需:listView.getChildAt(...)。animate();
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