IOS - Back Button IOS6 vs IOS7

Question

How can I add a space between the background image of the Navigation and the Text in IOS 7. For IOS 6, adding a space make the text at the correct place.

Navbar from IOS 6 :

Navbar from IOS 7 :

My code in AppDelegate to redefine all back buttons :

// Change the appearance of other navigation button
UIImage *barButtonImage = [[UIImage imageNamed:@"icon_back_str.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 31, 0, 0)];
[[UIBarButtonItem appearance] setBackButtonBackgroundImage:barButtonImage forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];

//Adapt the Text of the Buttons
NSDictionary *normalAttributes = [NSDictionary dictionaryWithObjectsAndKeys: [UIFont fontWithName:@"MyFont" size:20.0], UITextAttributeFont,nil];

[[UIBarButtonItem appearance] setTitleTextAttributes:normalAttributes forState:UIControlStateNormal];

In my code, to set the text :

- (void) viewWillDisappear:(BOOL)animated {
self.navigationItem.title =  @" Zurück";
}

How can Add this space in IOs 7. Thanks.

Answer 1

What about

[[UIBarButtonItem appearance] setBackButtonTitlePositionAdjustment:UIOffsetMake(5, 0) forBarMetrics:UIBarMetricsDefault];