get MBackground Paint
Paints to draw qr scanner view
Parameters
m Background Paint
paint to draw background
m Border Paint
paint to draw border
m Path
path to draw qr scanner view
m Stroke Path
path to draw center line
m Stroke Paint
paint to draw center line
m Corner Paint
paint to draw corner line animator - animator to show and hide center line isStrokeVisible - boolean to check if center line is visible cornerOffset - offset to draw corner line