LocalizationHelper

LocalizationHelper.h

//
// LocalizationHelper.h
//
// Created by Wim Haanstra on 9/30/10.
// Copyright 2010 Wim Haanstra. All rights reserved.
//
#import

@interface LocalizationHelper : NSObject { }

+ (void) localizeView:(UIView*) view;

@end

LocalizationHelper.m

//
//  LocalizationHelper.m
//
//  Created by Wim Haanstra on 9/30/10.
//  Copyright 2010 Wim Haanstra. All rights reserved.
//
#import "LocalizationHelper.h"

@implementation LocalizationHelper

+ (void) localizeView:(UIView*) view
{
	for (UIView* subView in view.subviews)
	{
		if ([subView isKindOfClass:[UIButton class]])
		{
			UIButton* castButton = (UIButton*) subView;
			[castButton setTitle:NSLocalizedString([castButton titleForState:UIControlStateNormal], [castButton titleForState:UIControlStateNormal]) forState:UIControlStateNormal];
		}
		else if ([subView isKindOfClass:[UITextField class]])
		{
			UITextField* castField = (UITextField*) subView;
			[castField setPlaceholder:NSLocalizedString(castField.placeholder, castField.placeholder)];
		}
		else if ([subView isKindOfClass:[UILabel class]])
		{
			UILabel* castLabel = (UILabel*) subView;
			[castLabel setText:NSLocalizedString(castLabel.text, castLabel.text)];
		}
		else if ([subView isKindOfClass:[UISegmentedControl class]])
		{
			UISegmentedControl* castSC = (UISegmentedControl*) subView;
			for (int index = 0; index < castSC.numberOfSegments; index++)
			{
				NSString* title = [castSC titleForSegmentAtIndex:index];
				[castSC setTitle:NSLocalizedString(title, title) forSegmentAtIndex:index];
			}
		}
		else if ([subView isKindOfClass:[UITabBarController class]])
		{
			NSLog(@"Tabbar controller found!");
		}
		else if ([subView isKindOfClass:[UITabBar class]])
		{
			UITabBar* tabBar = (UITabBar*) subView;

			NSArray* tabBarItems = tabBar.items;
			for (UITabBarItem* item in tabBarItems)
			{
				NSString* title = item.title;
				[item setTitle:NSLocalizedString(title, title)];
			}

			continue;
		}

		[self localizeView:subView];
	}
}
@end

Added the .h file to the same Gist