我有一个应用程序,它使用 Storyboards 来显示两个屏幕。第一个是列表(在屏幕截图中称为“Lista”),第二个是地图(“Térkép”)。每个视图都有一个左右导航按钮。按下右键将地图视图推送到导航控制器。后退按钮从地图的viewDidLoad
方法中手动隐藏。
问题是,为什么条形按钮项目在每个屏幕上都有不同的大小?如何控制按钮的大小?
按钮上的图像大小相同。蒙皮是AppDelegate
通过外观设置完成的:
// navbar background
[[UINavigationBar appearance] setBackgroundImage:[UIImage imageNamed:@"bg-titlebar.png"]
forBarMetrics:UIBarMetricsDefault];
// navbar button background
[[UIBarButtonItem appearance] setBackgroundImage:[[UIImage imageNamed:@"btn-main.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(4.0, 4.0, 4.0, 4.0) resizingMode:UIImageResizingModeStretch]
forState:UIControlStateNormal
barMetrics:UIBarMetricsDefault];
[[UIBarButtonItem appearance] setBackgroundImage:[[UIImage imageNamed:@"btn-main-active.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(4.0, 4.0, 4.0, 4.0) resizingMode:UIImageResizingModeStretch]
forState:UIControlStateHighlighted
barMetrics:UIBarMetricsDefault];
// back button background
[[UIBarButtonItem appearance] setBackButtonBackgroundImage:[[UIImage imageNamed:@"btn-back.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(4.0, 12.0, 4.0, 4.0) resizingMode:UIImageResizingModeStretch]
forState:UIControlStateNormal
barMetrics:UIBarMetricsDefault];
[[UIBarButtonItem appearance] setBackButtonBackgroundImage:[[UIImage imageNamed:@"btn-back-active.png"] resizableImageWithCapInsets:UIEdgeInsetsMake(4.0, 12.0, 4.0, 4.0) resizingMode:UIImageResizingModeStretch]
forState:UIControlStateHighlighted
barMetrics:UIBarMetricsDefault];