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androidlistviewlistadapter

Dynamically changing the background of ListView child

I read many other posts, but most, if not all of them tell you to override one of the methods and put change the background then. I want to change it outside of the ListView Adapter class, so I tried doing this. It doesn't seem to work. I do however get the object, nut it wont change its background.

RelativeLayout item;
        item = (RelativeLayout) listView.getAdapter().getView(0, null, listView);
        item.setBackgroundColor(Color.YELLOW);

Thank you.

Solution

  • Find the nearest time save it in a variable and call adapter.notifyDataSetChanged()

    public View getView(int position, View convertView, ViewGroup parent){
  if(time is nerest time) {
    convertView. setBackgroundColor(Color. YELLOW)
  } else {
    convertView. setBackgroundColor("default color")
  }
}