Comments (5)
lincf0912
commented on July 26, 2024
有什么问题吗？
发自我的iPhone
… 在 2021年4月20日，15:53，李浪 ***@***.***> 写道：
(void)dismissViewControllerAnimated:(BOOL)flag completion:(void (^)(void))completion
{
for (UIViewController *childVC in self.childViewControllers) {
if ([childVC ***@***.***(viewDidDealloc)]) {
[childVC ***@***.***(viewDidDealloc)];
}
}
[super dismissViewControllerAnimated:flag completion:completion];
}
(void)viewDidDealloc
{
LFImagePickerController *imagePickerVc = (LFImagePickerController *)self.navigationController;
if (imagePickerVc.syncAlbum) {
[[PHPhotoLibrary sharedPhotoLibrary] unregisterChangeObserver:self]; //移除监听者
}
[[NSNotificationCenter defaultCenter] removeObserver:self];
}
(void)dealloc
{
}
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lilangkit
commented on July 26, 2024
再次拍摄后，列表就监听不到相册变化了呀，就显示不出来了呀，就虽然选中了，但是看不见。
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lincf0912
commented on July 26, 2024
不是很明白，触发LFImagePickerController的dismissViewControllerAnimated:completion:
意味着相册已经关闭了。怎么还有拍摄的？
… 2021年4月22日 上午11:33，李浪 ***@***.***> 写道：
再次拍摄后，列表就监听不到相册变化了呀，就显示不出来了呀，就虽然选中了，但是看不见。
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lilangkit
commented on July 26, 2024
LFImagePickerController（UINavigationController）上弹出的 UIAlertController 在销毁时也触发了 LFImagePickerController 的 dismissViewControllerAnimated:completion哦，彩蛋不。而且 dismiss 只是代表暂时不显示，不代表销毁了呀。
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lincf0912
commented on July 26, 2024
久等了。暂时这样解决。
- (void)dismissViewControllerAnimated:(BOOL)flag completion:(void (^)(void))completion
{
/**
弹出的 UIAlertController 在销毁时也触发了 dismissViewControllerAnimated:completion
防止弹出的Controller 调用 self.presentingViewController 来销毁，这里判断没有presentedViewController来解决。
*/
if ([self presentedViewController] == nil) {
for (UIViewController *childVC in self.childViewControllers) {
if ([childVC respondsToSelector:@selector(viewDidDealloc)]) {
[childVC performSelector:@selector(viewDidDealloc)];
}
}
}
[super dismissViewControllerAnimated:flag completion:completion];
}
from lfimagepickercontroller.
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