Android pin lock design

I uses pin lock library in my app login page and every devices and emulator show good in keypad and indicator.But some device such as samsung J7,Huwai gr mini and some emulator keypard and indicator desin show not in exact position.

Screen emulator show:

enter image description here when run show below...

but i want to show http://ift.tt/2pOhi4T

in every device and emulator.please help