how to set cornerRadius for only bottom-left,bottom-right and top-left corner textview?
问题 How to set corner radius only only bottom-left,bottom-right and top-left corner textview? let rectShape = CAShapeLayer() rectShape.backgroundColor = UIColor.redColor().CGColor rectShape.bounds = messages.frame rectShape.position = messages.center rectShape.path = UIBezierPath(roundedRect: messages.bounds, byRoundingCorners: .BottomLeft | .TopRight, cornerRadii: CGSize(width: 20, height: 20)).CGPath messages.layer.addSublayer(rectShape) this code create two rect. I dont know why. 回答1: You just