Try ll.invalidate()
--
Jack Ha
Open Source Development Center
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On Sep 16, 9:22 pm, siliconeagle <rrmu...@gmail.com> wrote:
> I have a linearLayout which is focusable, so I can use it with the
> trackball, when focused i want to change the background to a different
> drawable - but it looks like the view needs refreshing/redrawing
> somehow. I know it gets focus as the imageView state changes when i
> move the trackball.
>
> anyone know how to trigger the linearLayout(ll) to refresh?
>
> code below:
>
> llv.setFocusable(true);
> llv.setOnFocusChangeListener(new OnFocusChangeListener() {
> @Override
> public void onFocusChange(View v, boolean hasFocus) {
> ImageView
> lh_img=(ImageView)v.findViewById(R.id.lh_img);
> LinearLayout ll = (LinearLayout)v;
> if (hasFocus) {
>
> ll.setBackgroundResource(R.drawable.bg_listsel);
> lh_img.setPressed(true);
> } else {
>
> ll.setBackgroundResource(R.drawable.bg_header);
> lh_img.setPressed(false);
> }
> //ll.getParent().recomputeViewAttributes(ll);
> // need to trigger the ll view torefresh somehow.
> }
>
> });
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