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• 如何在UITab BarController-“NavitiigationController”内对主计长进行轮换活动?
原标题:How to get Rotation events on ViewController within UITabBarController->UINavigationController?

每当用户从孔隙到景观时,我就会看到全方位的地貌观,在塔巴和航海中,对孔隙的看法是。

然而,“通向”:永无声。 我还测试了将“观点主计长”作为“UIDeviceOrientationDidChangeNotification”活动观察员,但这一通知也以未明确的方向发出。

具体任务的最佳和最容易的方式是什么?

问题回答

另有

。 使用<条码> 用户信息/编码

    [[NSNotificationCenter defaultCenter] addObserver:self 
                                             selector:@selector(didRotate:)
                                                 name:UIApplicationDidChangeStatusBarOrientationNotification 
                                               object:nil];

- (void) didRotate:(NSNotification *)notification{   
    NSNumber *num = [[notification userInfo] objectForKey:@"UIApplicationStatusBarOrientationUserInfoKey"];
    NSLog(@"%d", [num intValue]);
}




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