Very easy to use and simple gradation animate Label

pod 'GranibleLabel'

/* 
* .bottom, .leftTopDiagonal, etc...
*/ 
let label = GranibleLabel()
label.colors = [UIColor.red, UIColor.orange]

/* 
* direction = .bottom, .leftTopDiagonal, etc...
* animate default = false
*/
label.direction = .top
label.animate = true

label.direction = .top
label.animate = true
label.infinity = true

/* 
* autoreverses default = false
*/
label.direction = .top
label.animate = true
label.reverse = true

/*
* You can use it just like a normal UILabel.
*/
label.text = "label"
label.textAlignment = .center
label.font = .boldSystemFont(ofSize: 10)
label.numberOfLines = 2