public View getView(int position, View oldView, ViewGroup parent) {
  

  View v;
  if (position < 8) { 

   if (oldView == null) {
    v = new TextView(mContext);
    ((TextView)v).setGravity(Gravity.CENTER);
    ((TextView)v).setText(mWeekTitleIds[position]);
    ((TextView)v).setTextColor(mContext.getResources().getColor(mWeekColorIds[position]));
   }
   else {
    v = oldView;
   }
  }
  else if (position % 8 == 0) { 

   if (oldView == null) {
    v = new Button(mContext);
    ((Button)v).setGravity(Gravity.CENTER);
    ((Button)v).setText(Integer.toString(position/8));
   

    int nDay = getDayFromPosition(position) + 1;
    Calendar c = (Calendar)mBaseDate.clone();
    c.set(Calendar.DATE, nDay);
    v.setTag(c);
    ((Button)v).setOnClickListener(new View.OnClickListener() {
              public void onClick(View v) {
               Calendar c = (Calendar)v.getTag();
               if (c == null) return;
               Calendar c1 = (Calendar)c.clone();
               c1.add(Calendar.DATE, 6);
DateFormat df = DateFormat.getDateInstance();
               new AlertDialog.Builder(v.getContext())
                  .setTitle(((Button)v).getText() + System.getProperty("line.separator")
                     + df.format(new Date(c.getTimeInMillis())) + " ~ " + df.format(new Date(c1.getTimeInMillis())))
                  .setPositiveButton("OK", new DialogInterface.OnClickListener() {
                      public void onClick(DialogInterface dialog, int whichButton) {
                       dialog.dismiss();
                      }
                  })
.show();
              }
          });     
   }