ios – 录制UIBar按钮项目时的白色

概述我使用下面的代码创建了一个自定义栏按钮项. UIImage* image3 = [UIImage imageNamed:@"iphone-btn-next@2x.png"];CGRect frameimg = CGRectMake(0, 0,57,44);UIButton *someButton = [[UIButton alloc] initWithFrame:frameimg];[som 我使用下面的代码创建了一个自定义栏按钮项.

UIImage* image3 = [UIImage imagenamed:@"iphone-btn-next@2x.png"];CGRect frameimg = CGRectMake(0,57,44);UIbutton *somebutton = [[UIbutton alloc] initWithFrame:frameimg];[somebutton setBackgroundImage:image3 forState:UIControlStatenormal];[somebutton setBackgroundImage:image3 forState:UIControlStateHighlighted];[somebutton addTarget:self action:@selector(flipVIEw)     forControlEvents:UIControlEventtouchUpInsIDe];[somebutton setShowstouchWhenHighlighted:YES];UIbarbuttonItem *mailbutton =[[UIbarbuttonItem alloc] initWithCustomVIEw:somebutton];self.navigationItem.rightbarbuttonItem=mailbutton;

它工作正常,但问题是,当我点击按钮时,我可以看到按钮中心的白色(见截图).有人可以告诉我摆脱它的方法吗？

解决方法 这应该是写答案

删除线

[somebutton setShowstouchWhenHighlighted:YES];

试试这个比

UIImage* image3 = [UIImage imagenamed:@"iphone-btn-next@2x.png"];CGRect frameimg = CGRectMake(0,44);UIbutton *somebutton = [[UIbutton alloc] initWithFrame:frameimg];[somebutton setBackgroundImage:image3 forState:UIControlStatenormal];[somebutton setBackgroundImage:image3 forState:UIControlStateHighlighted];[somebutton addTarget:self action:@selector(flipVIEw)forControlEvents:UIControlEventtouchUpInsIDe];UIbarbuttonItem *mailbutton =[[UIbarbuttonItem alloc] initWithCustomVIEw:somebutton];self.navigationItem.rightbarbuttonItem=mailbutton;

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