ionicons-iOS category. Read more at : http://blog.quent.in/blog/2014/10/25/level-up-ionicons-ios-with-a-category

IonIcons+Additions+.h

//
//  IonIcons+Additions+.h
//  Created by Quentin Rousseau on 24/10/14.
//  http://quent.in
//

#import <Foundation/Foundation.h>
#import "IonIcons.h"

@interface IonIcons (Additions)

+ (UIButton*) buttonWithIcon:(NSString*)icon_name
                          iconColor:(UIColor*)iconColor
                           iconSize:(CGFloat)iconSize
                          imageSize:(CGSize)imageSize;

+ (UIButton*) roundedButtonWithIcon:(NSString*)icon_name
                iconColor:(UIColor*)iconColor
                 iconSize:(CGFloat)iconSize
                imageSize:(CGSize)imageSize;

+ (UIImageView*) imageViewWithIcon:(NSString*)icon_name
                         iconColor:(UIColor*)iconColor
                          iconSize:(CGFloat)iconSize
                         imageSize:(CGSize)imageSize;

+ (UIImageView*) roundedImageViewWithIcon:(NSString*)icon_name
                                iconColor:(UIColor*)iconColor
                                fillColor:(UIColor*)fillColor
                                 iconSize:(CGFloat)iconSize
                                imageSize:(CGSize)imageSize;

+ (UIImageView*) roundedImageViewWithIcon:(NSString*)icon_name
                               iconColor:(UIColor*)iconColor
                                iconSize:(CGFloat)iconSize
                               imageSize:(CGSize)imageSize;
@end

IonIcons+Additions+.m

//
//  IonIcons+Additions+.m
//  Created by Quentin Rousseau on 24/10/14.
//  http://quent.in
//

#import "IonIcons+Additions.h"

@implementation IonIcons (Additions)

+ (UIButton*) buttonWithIcon:(NSString*)icon_name
                   iconColor:(UIColor*)iconColor
                    iconSize:(CGFloat)iconSize
                   imageSize:(CGSize)imageSize
{
    UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, imageSize.width, imageSize.height)];
    UIImage *icon = [IonIcons imageWithIcon:icon_name iconColor:iconColor iconSize:iconSize/1.2f imageSize:imageSize];
    
    [button setBackgroundImage:icon forState:UIControlStateNormal];
    
    return button;
}

+ (UIButton*) roundedButtonWithIcon:(NSString*)icon_name
                iconColor:(UIColor*)iconColor
                 iconSize:(CGFloat)iconSize
                imageSize:(CGSize)imageSize;
{
    UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, imageSize.width, imageSize.height)];
    UIImage *icon = [IonIcons imageWithIcon:icon_name iconColor:iconColor iconSize:iconSize / 1.2f imageSize:imageSize];
    
    [button setBackgroundImage:icon forState:UIControlStateNormal];
    [button.layer setCornerRadius:imageSize.height / 2.f];
    [button.layer setBorderColor:iconColor.CGColor];
    [button.layer setBorderWidth:1];
    
    return button;
}

+ (UIImageView*) imageViewWithIcon:(NSString*)icon_name
                                 iconColor:(UIColor*)iconColor
                                  iconSize:(CGFloat)iconSize
                                 imageSize:(CGSize)imageSize;
{
    UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, imageSize.width, imageSize.height)];
    
    if(icon_name)
    {
        UIImage *icon = [IonIcons imageWithIcon:icon_name iconColor:iconColor iconSize:iconSize imageSize:imageSize];
        [imageView setImage:icon];
    }

    return imageView;
}


+ (UIImageView*) roundedImageViewWithIcon:(NSString*)icon_name
                                iconColor:(UIColor*)iconColor
                                 iconSize:(CGFloat)iconSize
                                imageSize:(CGSize)imageSize;
{
    return [self roundedImageViewWithIcon:icon_name iconColor:iconColor fillColor:[UIColor clearColor]  iconSize:iconSize imageSize:imageSize];
}

+ (UIImageView*) roundedImageViewWithIcon:(NSString*)icon_name
                         iconColor:(UIColor*)iconColor
                         fillColor:(UIColor*)fillColor
                          iconSize:(CGFloat)iconSize
                         imageSize:(CGSize)imageSize;
{
    UIImageView *imageView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, imageSize.width, imageSize.height)];
    
    if(icon_name)
    {
        UIImage *icon = [IonIcons imageWithIcon:icon_name iconColor:iconColor iconSize:iconSize / 1.2f imageSize:imageSize];
        [imageView setImage:icon];
    }
    
    [imageView setBackgroundColor:fillColor];
    [imageView.layer setCornerRadius:imageSize.height / 2.f];
    [imageView.layer setBorderColor:iconColor.CGColor];
    [imageView.layer setBorderWidth:1];
    
    return imageView;
}

@end