Yahel's post got me to thinking. I modified the getView method of my
data adapter to look like this:
@Override
public View getView(int position, View convertView, ViewGroup parent)
{
LayoutInflater vi =
(LayoutInflater)c.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
View v = vi.inflate(R.layout.list_view_row, null);
TextView label = (TextView) v.findViewById(R.id.label);
ImageView spinner = (ImageView) v.findViewById(R.id.spinner);
MyContainer item = (MyContainer) items.get(position);
label.setText(item.getText());
spinner.setVisibility(View.INVISIBLE);
if (item.isLoading()) {
label.setText("***"+item.getText()+"***");
spinner = (ImageView)v.findViewById(R.id.spinner);
spinner.setVisibility(View.VISIBLE);
Animation spinnerAnimation =
AnimationUtils.loadAnimation(getContext(), R.anim.rotate);
spinner.startAnimation(spinnerAnimation);
}
return v;
}
And the problem seems resolved! Great news for me. Though I wonder
if any of you can comment as to the performance hit / impact I might
expect to take reloading the view from the layout every single time
the adapter refreshes? I'm not experiencing any issues with the demo
program, but the lists in my actual application can get rather long
and include several lines of text for each row.
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