OnClickListener not working for first item in GridView

Question

I have a problem with creating a GridView-based calendar. Here is the Grid:

GridView Calendar

This is supposed to be a calendar populated with events, so I have my adapter implement OnClickListener and I set that listener for every button in the calendar. It works perfectly for every single button EXCEPT the first one(in this case number 30). When I click it just doesn't work, but when I click on another button after I have attempted to click on the first one, it performs the click for the first one just before performing the click for the other button.

I've scanned about 10 pages of relevant questions and have not found someone to have this problem. Help please!

As asked, here is the getView function of my code:

    public View getView(int position, View convertView, ViewGroup parent)
    {
        View row = convertView;
        ViewHolder holder;
        if (row == null)
        {
            holder = new ViewHolder();
            LayoutInflater inflater = (LayoutInflater) _context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
            row = inflater.inflate(R.layout.calendar_day_gridcell, parent, false);
            holder.gridCell = (Button) row.findViewById(R.id.calendar_day_gridcell);
            holder.multiDayEvent = (EventLengthView)row.findViewById(R.id.eventLengthView);
        }
        else{
            holder = (ViewHolder)row.getTag();
        }

        int calendarGridHeight = (calendarView.getHeight()-5)/(getCount()/7);
        AbsListView.LayoutParams params = new AbsListView.LayoutParams(
                android.view.ViewGroup.LayoutParams.FILL_PARENT,
                calendarGridHeight);
        row.setLayoutParams(params);

        //Change the background drawable depending on the position in the calendar
        if ((position+1) % 7 == 0){
            holder.gridCell.setBackgroundDrawable(getResources().getDrawable(R.drawable.calendar_button_selector_end_row));
        }
        if (getCount() - position < 8){
            holder.gridCell.setBackgroundDrawable(getResources().getDrawable(R.drawable.calendar_button_selector_end_column));
        }
        if (position == getCount()-1){
            holder.gridCell.setBackgroundDrawable(getResources().getDrawable(R.drawable.calendar_button_selector_end));
        }
        holder.gridCell.setOnClickListener(this);

        holder.gridCell.setTag(null);//clear tags

        // ACCOUNT FOR SPACING
        String[] day_color = list.get(position).split("-");
        int theday = Integer.parseInt(day_color[0]);
        int themonth = Integer.parseInt(day_color[2]);
        int theyear = Integer.parseInt(day_color[3]);
        String date = DateFormat.format("dd/M/yy", new Date(theyear,themonth,theday)).toString();
        if ((!eventsMap.isEmpty()) && (eventsMap != null))
        {
            if (eventsMap.containsKey(date))
            {
                holder.multiDayEvent.SetMeasure(calendarView.getWidth()/7, calendarGridHeight);

                holder.multiDayEvent.setVisibility(View.VISIBLE);
                //holder.singleDayEvent.setVisibility(View.VISIBLE);
                Event event = (Event) eventsMap.get(date);
                holder.multiDayEvent.AddEvent(event);
                holder.gridCell.setTag(event);
            }
            else{
                //holder.singleDayEvent.setVisibility(View.GONE);
                holder.multiDayEvent.setVisibility(View.GONE);
            }
        }

        // Set the Day GridCell
        holder.gridCell.setText(Integer.toString(theday));

        if (day_color[1].equals("GREY"))
        {
            holder.gridCell.setTextColor(Color.GRAY);
        }
        if (day_color[1].equals("WHITE"))
        {
            holder.gridCell.setTextColor(Color.WHITE);
        }
        if (day_color[1].equals("BLUE"))
        {
            holder.gridCell.setTextColor(Color.BLUE);
        }

        row.setTag(holder);
        return row;
    }

    public class ViewHolder{
        Button gridCell;
        ImageView singleDayEvent;
        EventLengthView multiDayEvent;
    }

    public void onClick(View view)
    {
        if (view.getTag() != null){
            Event event = (Event)view.getTag();

            eventListView.setAdapter(new EventListAdapter(CalendarScreen.this, event));
            eventListViewLayout.setVisibility(View.VISIBLE);
            eventListViewLayout.startAnimation(fadeIn);
        }
        else if (eventListViewLayout.getVisibility() == View.VISIBLE){
            onBackPressed();
        }
    }

The onClick gets called for every gridcell EXCEPT the first one in the top left corner

user_834411 · Answer

For what it's worth, I had also this issue (first cell in the gridview having delayed onclick).

In my case, I was using a (lightly customized) gridviews with dynamic sets of imageviews that I would make visible/gone and redraw the gridview. All imageviews where prepared beforehand and stored in the adapter.

Initially, I used notifyDataSetChanged() on the adapter but this resulted in the delayed click problem for the first cell whenever the set was updated. I changed to just invalidating the gridview and now things are fine. Bear in mind that all my views are already created and stored in the adapter, its just the getview method that checks which ones are really visible.

user_10943363 · Answer

After spending so many days, set layout params as follows..

if (view == null) {

        // call the user's implementation
        view = mInflater.inflate(mViewId, null);
        holder = createHolder(view);
        // we set the holder as tag
        view.setTag(holder);

        rlMainCell = (RelativeLayout)view.findViewById(R.id.rlMainCell);
        rlMainCell.setLayoutParams(new RelativeLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, (int) view.getResources().getDimension(R.dimen._128sdp)));

    } else {
        // get holder back...much faster than inflate
        holder = (ViewHolder) view.getTag();
    }

it works absolutely fine to me

OnClickListener not working for first item in GridView

7 Answers