Hi all,
I have a gridView where I want to be able to toggle the item icons
when clicking them. So, when I click an item it gets "selected" which
is indicated by, say, bitmap B and when I click it again it should be
"unselected" and the item changes back to bitmap A.
The problem is that I cannot get the grid to redraw after I have
clicked one of the items so the clicked item never changes icon. I
have tried to call requestLayout() but for some reason it only results
in a two successive calls to the adaptor's getView(), both with
position zero regardless of which item I clicked. What am I missing
here?
Here are some code snippets:
>>>
...
final GridView myGrid = (GridView) findViewById(...);
...
myGrid.setOnItemClickListener(new AdapterView.OnItemClickListener()
{
@Override
public void onItemClick(AdapterView<?> parent,
View view,
int position,
long id)
{
// Toggle icon.
toggleIconState(position);
myGrid.requestLayout();
}
});
>>> From my adaptor class (The getIcon() returns one of two bitmaps depending
>>> on a state var. (selected/unselected))
@Override
public View getView(int position, View convertView, ViewGroup
parent)
{
ImageView imageView;
if (convertView == null)
{
// Create the image view if we aren't recycling an old
view.
imageView = new ImageView(context);
imageView.setScaleType(ImageView.ScaleType.FIT_XY);
}
else
{
imageView = (ImageView) (convertView);
}
// Use this position's asset group icon as the image view
contents.
imageView.setImageBitmap(getIcon(position));
return imageView;
}
Any ideas are most welcome.
Thanks,
Rickard
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