UIBarButtonItem *leftButtonItem = [self barItemWithTitle:@"Back" xOffset:11 target:self action:nil];
self.navigationItem.leftBarButtonItem = leftButtonItem;
Below method returns UIBarButtonItem
for Navigation Bar.
- (UIBarButtonItem*)barItemWithTitle:(NSString*)title xOffset:(NSInteger)xOffset target:(id)target action:(SEL)action
{
UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];
[button setTitle:title forState:UIControlStateNormal];
[button setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
[button setTitleColor:[UIColor redColor] forState:UIControlStateHighlighted];
[button.titleLabel setFont:[UIFont systemFontOfSize:18]];
[button addTarget:target action:@selector(buttonAction) forControlEvents:UIControlEventTouchUpInside];
CGSize size = [title sizeWithAttributes:@{NSFontAttributeName: [UIFont systemFontOfSize:18.0f]}];
CGSize adjustedSize = CGSizeMake(ceilf(size.width), ceilf(size.height));
CGRect rect = CGRectMake(0, 0,adjustedSize.width + 3,24);
[button setFrame:rect];
[button addTarget:target action:action forControlEvents:UIControlEventTouchUpInside];
if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 7) {
[button setContentEdgeInsets:UIEdgeInsetsMake(0, xOffset, 0, -xOffset)];
}
UIBarButtonItem *customUIBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:button];
return customUIBarButtonItem;
}
Action Method
-(void)buttonAction{
//Your code goes here.
}
May this help lot.