How to increase the height of remoteview in android notification -

i trying create notification custom remoteview.but when displaying notification,bottom of remoteview getting cropped.only half of remote view visible in notification.could 1 tell me increasing height of notification in android?

set style of notification intent bigstyle,

notification noti = new notification.builder(this).setstyle(new notification.bigtextstyle().bigtext(longtext))