Fix iOS 5 not finding iPad / iPhone specific resources on iPhone-only apps running on the iPad

main.m

#import <UIKit/UIKit.h>
#import <objc/runtime.h>

#import "MainViewController.h"

@interface NSBundle (TPPathForResourceFix)

- (NSString *)tp_pathForResource:(NSString *)name ofType:(NSString *)ext;

@end

@implementation NSBundle (TPPathForResourceFix)

- (NSString *)tp_pathForResource:(NSString *)name ofType:(NSString *)ext {
	NSString *path = [self tp_pathForResource:name ofType:ext];

	if (path == nil) {
		NSString *suffix = ([[UIDevice currentDevice] userInterfaceIdiom] == UIUserInterfaceIdiomPhone) ? @"~iphone" : @"~ipad";

		name = [name stringByAppendingString:suffix];
		path = [self tp_pathForResource:name ofType:ext];
	}

	return path;
}

@end

int main(int argc, char *argv[]) {
	@autoreleasepool {
		if ([UICollectionView class]) {
			// Fix iOS 5 not finding paths correctly on weird unversal apps that have been de-universalized
			// See https://devforums.apple.com/message/764312
			Method origMethod = class_getInstanceMethod([NSBundle class], @selector(pathForResource:ofType:));
			Method overrideMethod = class_getInstanceMethod([NSBundle class], @selector(tp_pathForResource:ofType:));

			method_exchangeImplementations(origMethod, overrideMethod);
		}

		return UIApplicationMain(argc, argv, nil, NSStringFromClass([MainViewController class]));
	}
}