在IB中,我可以选择一个UIBarButtonItem,将其设置为Plain,Custom并应用一个Image,它在UIToolbar或UINavigationBar中看起来很好。
当我尝试在代码中执行此操作时,我会得到一个边框:
backButton = [[UIBarButtonItem alloc] initWithImage:[UIImage imageNamed:@"arrowBack"]
style:UIBarButtonItemStylePlain
target:self
action:@selector(backButtonClicked:)];
如何获得没有边框的UIBarButtonItem?我希望它是平原和自定义
答案 0 :(得分:6)
这适用于我(leftButton的示例):
UIButton *bt=[UIButton buttonWithType:UIButtonTypeCustom];
[bt setFrame:CGRectMake(0, 0, 15, 30)];
[bt setImage:[UIImage imageNamed:@"backBT"] forState:UIControlStateNormal];
[bt addTarget:self action:@selector(popViewController:) forControlEvents:UIControlEventTouchUpInside];
UIBarButtonItem *leftButton=[[UIBarButtonItem alloc] initWithCustomView:bt];
self.navigationItem.leftBarButtonItem=leftButton;