iphone - iOS7 UIStatusBar 模糊不正确

Question

我正在为屏幕顶部的控件使用 UIToolbar(没有导航 Controller )工具栏具有我想要的外观，但状态栏完全清晰。我似乎无法模仿 UIToolbar 在其透明度方面的模糊。有没有人遇到过不涉及使用导航 Controller 的解决方案？

Answer 1

为了实现这一点，您需要在 UIBarPositioningDelegate 协议(protocol)中实现方法:

https://developer.apple.com/library/ios/documentation/uikit/reference/UIBarPositioningDelegate_Protocol/Reference/Reference.html#//apple_ref/occ/intf/UIBarPositioningDelegate

代码如下:

@interface ViewController : UIViewController <UIToolbarDelegate>

@property (nonatomic, weak) IBOutlet UIToolbar * toolbar;

@end

@implementation ViewController

- (void)viewDidLoad
{
    [super viewDidLoad];
    //we become the delegate
    self.toolbar.delegate = self;
}

-(UIBarPosition)positionForBar:(id<UIBarPositioning>)bar{
    //this tells our bar to extend its background to the top.
    return UIBarPositionTopAttached;
}

@end