UITextField+Paddings.h

//
//  UITextField+Paddings.h
//
//  Created by Konstantin Simakov
//

#import <Foundation/Foundation.h>

@interface UITextField (Paddings)

-(void) setLeftPadding:(int) paddingValue;
-(void) setRightPadding:(int) paddingValue;

@end

UITextField+Paddings.m

//
//  UITextField+Paddings.m
//
//  Created by Konstantin Simakov
//

#import "UITextField+Paddings.h"

@implementation UITextField (Paddings)

-(void) setLeftPadding:(int) paddingValue
{
    UIView *paddingView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, paddingValue, self.frame.size.height)];
    self.leftView = paddingView;
    self.leftViewMode = UITextFieldViewModeAlways;
}

-(void) setRightPadding:(int) paddingValue
{
    UIView *paddingView = [[UIView alloc] initWithFrame:CGRectMake(0, 0, paddingValue, self.frame.size.height)];
    self.rightView = paddingView;
    self.rightViewMode = UITextFieldViewModeAlways;
}

@end