iOS如何把导航默认的返回按钮设置成“返回”

版权声明：本CSDN博客所有文章不更新，请关注标哥博客：http://www.henishuo.com/

[objc] view plain copy

print?





- (void)addBackItemWithAction:(SEL)action {

if (IOS7_OR_LATER) {

UIBarButtonItem *returnButtonItem = [[UIBarButtonItem alloc] init];

returnButtonItem.title = @"返回";

self.navigationItem.backBarButtonItem = returnButtonItem;

} else {

// 设置返回按钮的文本

UIBarButtonItem *backButton = [[UIBarButtonItem alloc]

initWithTitle:@"返回"

style:UIBarButtonItemStylePlain target:nil action:nil];

[self.navigationItem setBackBarButtonItem:backButton];

// 设置返回按钮的背景图片

UIImage *img = [UIImage imageNamed:@"ic_back_nor"];

img = [img resizableImageWithCapInsets:UIEdgeInsetsMake(0, 18, 0, 0)];

[[UIBarButtonItem appearance] setBackButtonBackgroundImage:img

forState:UIControlStateNormal

barMetrics:UIBarMetricsDefault];

// 设置文本与图片的偏移量

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

forBarMetrics:UIBarMetricsDefault];

// 设置文本的属性

NSDictionary *attributes = @{UITextAttributeFont:[UIFont systemFontOfSize:16],

UITextAttributeTextShadowOffset:[NSValue valueWithUIOffset:UIOffsetZero]};

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

}

return;

}