dash line custom view

CustomView.m

#import <UIKit/UIKit.h>

IB_DESIGNABLE
@interface CustomView : UIView

@property (nonatomic) IBInspectable CGFloat lineWidth;
@property (nonatomic) IBInspectable CGFloat dotWidth;
@property (nonatomic) IBInspectable CGFloat dotInterval;
@property (nonatomic) IBInspectable UIColor *lineColor;
@property (nonatomic) IBInspectable BOOL *isThinLine;

@end


@implementation CustomView

- (void)drawRect:(CGRect)rect {

    CGFloat point = self.lineWidth;
    
    if (self.lineWidth == 1 && self.isThinLine) {
        point = self.lineWidth / [UIScreen mainScreen].scale;
    }

    CGRect myRect = CGRectMake(point, point, rect.size.width - point * 2, rect.size.height - point * 2);
    
    UIBezierPath *arc = [UIBezierPath bezierPathWithRoundedRect:myRect cornerRadius:10.0f];
    [self.lineColor setStroke];
    arc.lineWidth = self.lineWidth;
    
    CGFloat dash[] = {point, self.dotInterval};
    [arc setLineDash:dash count:2 phase:0];
    [arc stroke];

}

@end