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我想解僱iOS6中的表單模式視圖。它在iOS5中完全正常,但在6中失敗(項目在兩者中都使用ARC)。表單模式視圖控制器不會在iOS6中解僱
這裏是堆棧時失敗:
#0 0x0175a267 in objc_msgSend_stret()
#1 0x006d55bd in -[UIView(Geometry) bounds]()
#2 0x006cc707 in -[UIWindow _updateCurrentTintView]()
#3 0x0075117b in -[UITransitionView transition:fromView:toView:removeFromView:]()
#4 0x0097df44 in __91-[UIWindowController transition:fromViewController:toViewController:target:didEndSelector:]_block_invoke_0236()
#5 0x0097d4eb in -[UIWindowController transition:fromViewController:toViewController:target:didEndSelector:]()
#6 0x0077ba11 in -[UIViewController _dismissViewControllerWithTransition:from:completion:]()
#7 0x0077aecd in -[UIViewController dismissViewControllerWithTransition:completion:]()
#8 0x0077bbdb in -[UIViewController dismissViewControllerAnimated:completion:]()
#9 0x00056a50 in -[HandDeviceToAssessorViewController dismiss:] at <directory of file>
視圖控制器通過該創建的:
+ (HandDeviceToAssessorViewController *)handDeviceToAssessorWithWellDoneView
{
static dispatch_once_t pred;
static HandDeviceToAssessorViewController *viewController = nil;
dispatch_once(&pred, ^(void)
{
viewController = [[HandDeviceToAssessorViewController alloc] initWithNibName:@"WellDoneHandDeviceToAssessorView" bundle:[NSBundle mainBundle]];
});
viewController.modalPresentationStyle = UIModalPresentationFormSheet;
return viewController;
}
並與代碼顯示:
HandDeviceToAssessorViewController *handBackModal = [HandDeviceToAssessorViewController handDeviceToAssessorWithWellDoneView];
handBackModal.delegate = self;
[self presentViewController:handBackModal animated:YES completion:nil];
視圖控制器是被解僱了。
- (IBAction)dismiss:(id)sender
{
if ([self.delegate respondsToSelector:@selector(viewWillClose)])
{
[self.delegate viewWillClose];
}
[self.presentingViewController dismissViewControllerAnimated:YES completion:^(void)
{
if ([self.delegate respondsToSelector:@selector(viewDidClose)])
{
[self.delegate viewDidClose];
self.delegate = nil;
}
}];
}
我懷疑/希望它不是iOS6中的錯誤。任何想法如何解決這個問題?
我發現了這個問題;我自己的愚蠢的錯誤。在模態視圖被另一個UIViewController調用之前,我正在拍攝一張圖像,並刪除它的所有子視圖和子圖層。在刪除所有UIViews之前,我正在刪除子層。首先發布uiviews已經糾正了這個問題。 – ade177