添加自定义按钮到导航控制器没有边框 [英] Add custom button to navigation controller without border
本文介绍了添加自定义按钮到导航控制器没有边框的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我向导航控制器添加自定义按钮
I add custom button to navigation controller
UIBarButtonItem *backButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"back.png"]
style:UIBarButtonItemStylePlain
target:self
action:@selector(backAction)];
self.navigationItem.leftBarButtonItem = backButton;
它工作正常,但按钮显示有边框。我该如何解决?
it works fine, but button appears bordered. How can I fix that?
更新
我找到解决方案
UPDATE I found solution
UIButton *button = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, 25, 25)];
[button setImage:[UIImage imageNamed:@"back.png"] forState:UIControlStateNormal];
[button addTarget:self action:@selector(buttonFavoriteClicked) forControlEvents:UIControlEventTouchUpInside];
UIBarButtonItem *back = [[UIBarButtonItem alloc] initWithCustomView:button];
[button release];
self.navigationItem.leftBarButtonItem = back;
推荐答案
试试这个。
UIButton *backButton = [[UIButton alloc] initWithFrame:CGRectMake(0, 0, button_width, button_height)];
[backButton setImage:[UIImage imageNamed:@"back.png"] forState:UIControlStateNormal];
[backButton addTarget:self action:@selector(backAction) forControlEvents:UIControlEventTouchUpInside];
self.navigationItem.leftBarButtonItem = [[UIBarButtonItem alloc] initWithCustomView:backButton];
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