/**
* Returns number of cells needed for given size of the widget.
*
* @param size Widget size in dp.
* @return Size in number of cells.
*/
private
static
int
getCellsForSize
(
int
size
)
{
int
n
=
2
;
while
(
70
*
n
-
30
<
size
)
{
++
n
;
}
return
n
-
1
;
}