IOS7 导航栏item完美设置[UIBarButtonItem appearance]

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设置返回按钮的文字与背景

UIImage *backButtonImage = [[UIImage imageNamed:@"Graphics/Shared/navigation_back_button.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(0, 0, 0, 0)];

[[UIBarButtonItem appearance] setBackButtonBackgroundImage:backButtonImage forState:UIControlStateNormal barMetrics:UIBarMetricsDefault];

[[UIBarButtonItem appearance] setBackButtonTitlePositionAdjustment:UIOffsetMake(0, backButtonImage.size.height*2) forBarMetrics:UIBarMetricsDefault];

设置导航栏的背景颜色

[[UINavigationBar appearance] setBarTintColor: 颜色];

设置标题的自定义格式

[[UINavigationBar appearance] setTitleTextAttributes:[NSDictionary dictionaryWithObjectsAndKeys:[UIColor whiteColor],UITextAttributeTextColor,[UIFont fontWithName:@"HelveticaNeue-Bold" size:20.0f],UITextAttributeFont, nil]];

持续更新中。。。。。。。

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