iOS button with enlarged tap area.

EnlargedTapButton.h

#import <UIKit/UIKit.h>

@interface EnlargedTapButton : UIButton

@end

EnlargedTapButton.m

#import "EnlargedTapButton.h"

#define MARGIN 30.0

@implementation EnlargedTapButton

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

- (BOOL)point:(CGPoint)point insideWithMargin: (float)margin {
	CGRect rect = CGRectInset(self.bounds, -margin, -margin);
	return CGRectContainsPoint(rect, point);
}

- (BOOL)pointInside:(CGPoint)point withEvent:(UIEvent *)event {
	BOOL touchInside = [self point:point insideWithMargin: MARGIN];
	return touchInside;
}

@end