KBorderedButton, a custom IBDesignable UIButton

KBorderedButton.h

//
//  KBorderedButton.h
//
//  Created by Kalpesh Talkar on 01/02/16.
//  Copyright © 2016 Kalpesh. All rights reserved.
//

#import <UIKit/UIKit.h>

IB_DESIGNABLE
@interface KBorderedButton : UIButton

- (void)setCornerRadius:(CGFloat)cornerRadius;
- (void)setBorderWidth:(CGFloat)borderWidth;
- (void)setBorderColor:(UIColor *)borderColor;

@end

KBorderedButton.m

//
//  KBorderedButton.m
//
//  Created by Kalpesh Talkar on 01/02/16.
//  Copyright © 2016 Kalpesh. All rights reserved.
//

#import "KBorderedButton.h"
#import "KBorderedGradientView.h"

@interface KBorderedButton()

@property (nonatomic) IBInspectable CGFloat cornerRadius;
@property (nonatomic) IBInspectable CGFloat borderWidth;
@property (nonatomic, strong) IBInspectable UIColor *borderColor;

@property (nonatomic, strong) KBorderedGradientView *v;
@property (nonatomic, strong) UIView *progressView;

@end

@implementation KBorderedButton

#pragma mark - Instance Methods
- (instancetype)initWithCoder:(NSCoder *)aDecoder {
    self = [super initWithCoder:aDecoder];
    if (self) {
        [self renderView];
    }
    return self;
}

- (instancetype)initWithFrame:(CGRect)frame {
    self = [super initWithFrame:frame];
    if (self) {
        [self defaults];
        [self renderView];
    }
    return self;
}

- (void)drawRect:(CGRect)rect {
    [self renderView];
}

- (void)setNeedsLayout {
    [super setNeedsLayout];
    [self setNeedsDisplay];
}

- (void)prepareForInterfaceBuilder {
    [self renderView];
}

#pragma mark - Defaults
- (void)defaults {
    _cornerRadius = 0.0f;
    _borderWidth = 1.0f;
    _borderColor = [self tintColor];

    [self.titleLabel setFont:[UIFont systemFontOfSize:15]];
    [self setTitleColor:[self tintColor] forState:UIControlStateNormal];
    [self setTitleColor:[self highlightedColor] forState:UIControlStateHighlighted];
    if ([self titleColorForState:UIControlStateNormal == nil]) {
        [self setTitle:@"Button" forState:UIControlStateNormal];
    }
    [self setBackgroundImage:[self imageWithColor:[UIColor lightGrayColor]] forState:UIControlStateDisabled];
}

#pragma mark - Highlighted Color
- (UIColor *)highlightedColor {
    UIColor *highlighted = [self titleColorForState:UIControlStateNormal];
    highlighted = [highlighted colorWithAlphaComponent:0.0];
    return highlighted;
}

#pragma mark - Render View
- (void)renderView {
    if (_borderColor == nil) {
        _borderColor = [self tintColor];
    }
    [self.layer setCornerRadius:_cornerRadius];
    [self.layer setBorderWidth:_borderWidth];
    [self.layer setBorderColor:[_borderColor CGColor]];
}

#pragma mark - 
- (void)setCornerRadius:(CGFloat)cornerRadius {
    _cornerRadius = cornerRadius;
    [self renderView];
}

- (void)setBorderWidth:(CGFloat)borderWidth {
    _borderWidth = borderWidth;
    [self renderView];
}

- (void)setBorderColor:(UIColor *)borderColor {
    _borderColor = borderColor;
    [self renderView];
}

#pragma mark - UIImage with UIColor
- (UIImage *)imageWithColor:(UIColor *)color {
    CGRect rect = CGRectMake(0.0f, 0.0f, 1.0f, 1.0f);
    UIGraphicsBeginImageContext(rect.size);
    CGContextRef context = UIGraphicsGetCurrentContext();
    
    CGContextSetFillColorWithColor(context, [color CGColor]);
    CGContextFillRect(context, rect);
    
    UIImage *image = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    
    return image;
}

@end