UIMoviePlayerControllerDidEnterFullscreenNotification 在 iOS8 中不起作用
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【中文标题】UIMoviePlayerControllerDidEnterFullscreenNotification 在 iOS8 中不起作用【英文标题】：UIMoviePlayerControllerDidEnterFullscreenNotification doesn't work in iOS8 【发布时间】：2014-10-23 02:00:49 【问题描述】：我正在使用UIWebView 使用 iFrame 播放 youtube 视频。
我正在使用UIMoviePlayerControllerDidEnterFullscreenNotification 将 youtube 屏幕检测为全屏。
如下代码：
[[NSNotificationCenter defaultCenter] addObserver: self
selector: @selector(myMovieEnterFullScreen:)
name: @"UIMoviePlayerControllerDidEnterFullscreenNotification"
object: nil];
它适用于 ios7。 但我尝试在 iOS8 中运行它。 它不起作用。 我认为通知名称已更改。 有没有其他方法可以检测 ios8 中的 youtube 全屏事件？
【问题讨论】：
我也有同样的问题... :( 遇到同样的问题，任何帮助都会很棒 【参考方案1】：markussvensson 的实现存在一些误报，因为任何 UIWindowDidBecomeVisibleNotification 都被视为不正确的全屏视频播放。
Selvin 实现的“AVPlayerItemBecameCurrentNotification”可以捕捉到电影播放开始，但不能捕捉到电影播放停止。
所以我结合了这两种实现，它按预期工作。
将观察者添加到 AVPlayerItemBecameCurrentNotification 和 UIWindowDidBecomeHiddenNotification；
当 AVPlayerItemBecameCurrentNotification 发生时，设置一个标志；
当 UIWindowDidBecomeHiddenNotification 发生时，检查标志是否为“视频停止播放事件”。
顺便说一句，AVPlayerItemBecameCurrentNotification 未记录在案，可能会在下一个 iOS 主要版本中被破坏。
【讨论】：
+1 好主意！我的方法中的一个警告是，第二次播放开始时我们没有收到AVPlayerItemBecameCurrentNotification。请参阅我的答案下方的 cmets。
对 WKWebView 的变通有什么想法吗？ AVPlayerItemBecameCurrentNotification 不会在 WKWebView 中触发。不过，这似乎对 UIWebView 有效。
@SteveE 可以找到 WKWebView 检测视频播放的任何解决方案，如果你发现请在***.com/questions/55377677/…帮助我【参考方案2】：
我也有同样的问题。我没有找到真正的解决方案，但我能够使用 UIWindowDidBecomeVisibleNotification / UIWindowDidBecomeHiddenNotification 通知来解决它。
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(windowVisible:)
name:UIWindowDidBecomeVisibleNotification
object:self.view.window];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(windowHidden:)
name:UIWindowDidBecomeHiddenNotification
object:self.view.window];
- (void)windowVisible:(NSNotification *)notification
NSLog(@"-windowVisible");
- (void)windowHidden:(NSNotification *)notification
NSLog(@"-windowHidden");
【讨论】：
【参考方案3】：我同意@markussvensson。我确认没有UIMoviePlayerControllerDidEnterFullscreenNotification在iOS8上发布。
或者，您可以观察AVPlayerItemBecameCurrentNotification 以了解 YouTube 视频是否从UIWebView 全屏显示。
检查我是否在NSNotificationCenter 上写了一个钩子，以观察在视频播放期间传递的所有通知。
#import "NSNotificationCenter+Hook.h"
#import <objc/runtime.h>
@implementation NSNotificationCenter (Hook)
+ (void)load
Method original = class_getInstanceMethod([NSNotificationCenter class], @selector(postNotificationName:object:userInfo:));
Method swizzled = class_getInstanceMethod([NSNotificationCenter class], @selector(swizzle_postNotificationName:object:userInfo:));
method_exchangeImplementations(original, swizzled);
original = class_getInstanceMethod([NSNotificationCenter class], @selector(postNotificationName:object:));
swizzled = class_getInstanceMethod([NSNotificationCenter class], @selector(swizzle_postNotificationName:object:));
method_exchangeImplementations(original, swizzled);
original = class_getInstanceMethod([NSNotificationCenter class], @selector(postNotification:));
swizzled = class_getInstanceMethod([NSNotificationCenter class], @selector(swizzle_postNotification:));
method_exchangeImplementations(original, swizzled);
- (void)swizzle_postNotificationName:(NSString *)aName object:(id)anObject userInfo:(NSDictionary *)aUserInfo
NSLog(@"HOOK_NOTIFICATION_With_UserInfo: %@",aName);
[[NSNotificationCenter defaultCenter]swizzle_postNotificationName:aName object:anObject userInfo:aUserInfo];
- (void)swizzle_postNotificationName:(NSString *)aName object:(id)anObject
NSLog(@"HOOK_NOTIFICATION_Without_UserInfo: %@",aName);
[[NSNotificationCenter defaultCenter]swizzle_postNotificationName:aName object:anObject];
- (void)swizzle_postNotification:(NSNotification *)notification
NSLog(@"HOOK_NOTIFICATION_NSNotification: %@",notification.name);
[[NSNotificationCenter defaultCenter]swizzle_postNotification:notification];
@end
播放器全屏时记录数据
2014-09-29 14:07:45.808 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo:
UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.808 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.808 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.809 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.809 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: _UIWindowSystemGestureStateChangedNotification
2014-09-29 14:07:45.809 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.810 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.810 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.810 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.810 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.810 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.812 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.812 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.819 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: _UIWindowSystemGestureStateChangedNotification
2014-09-29 14:07:45.825 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.825 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.825 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.825 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.826 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.826 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.826 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.826 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.826 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.826 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.827 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.827 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.827 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.827 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.827 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.828 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.828 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.828 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.828 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.828 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.829 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.830 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.830 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.830 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.831 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.831 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.831 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.831 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.832 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.832 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.832 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.832 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.833 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.833 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.838 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.839 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.839 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.839 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.839 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.839 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.840 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.840 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.840 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.840 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.840 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.841 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.841 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.841 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.841 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.841 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.842 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.842 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.842 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.842 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.843 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.843 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.843 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.843 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.844 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.844 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.844 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.844 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.844 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.844 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.845 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.845 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.845 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:45.845 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.179 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIWindowFirstResponderDidChangeNotification
2014-09-29 14:07:46.180 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.180 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.180 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.180 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.181 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:46.181 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:46.219 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.219 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.219 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.219 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.220 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.220 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.220 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.220 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.220 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.220 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.221 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:46.221 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:47.398 MyProject***[3459:194167] HOOK_NOTIFICATION_With_UserInfo: AVPixelBufferAttributeMediatorPixelBufferAttributesDidChangeNotification
2014-09-29 14:07:47.398 MyProject***[3459:194167] HOOK_NOTIFICATION_With_UserInfo: AVPixelBufferAttributeMediatorPixelBufferAttributesDidChangeNotification
2014-09-29 14:07:47.398 MyProject***[3459:194167] HOOK_NOTIFICATION_With_UserInfo: AVPixelBufferAttributeMediatorPixelBufferAttributesDidChangeNotification
2014-09-29 14:07:47.399 MyProject***[3459:194167] HOOK_NOTIFICATION_With_UserInfo: AVPixelBufferAttributeMediatorPixelBufferAttributesDidChangeNotification
2014-09-29 14:07:47.400 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: AVPixelBufferAttributeMediatorPixelBufferAttributesDidChangeNotification
2014-09-29 14:07:47.424 MyProject***[3459:193561] HOOK_NOTIFICATION_NSNotification: AVPlayerItemTimebaseChangedNotification
2014-09-29 14:07:47.426 MyProject***[3459:193561] HOOK_NOTIFICATION_NSNotification: AVPlayerItemTimeJumpedNotification
2014-09-29 14:07:47.426 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: AVPixelBufferAttributeMediatorPixelBufferAttributesDidChangeNotification
2014-09-29 14:07:47.702 MyProject***[3459:193561] HOOK_NOTIFICATION_NSNotification: AVPlayerItemTimebaseChangedNotification
2014-09-29 14:07:47.702 MyProject***[3459:193561] HOOK_NOTIFICATION_NSNotification: AVPlayerItemBecameCurrentNotification
2014-09-29 14:07:47.739 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: _UIWindowDidCreateWindowContextNotification
2014-09-29 14:07:47.740 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: _UIWindowContentWillRotateNotification
2014-09-29 14:07:47.741 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: _UIWindowContentWillRotateNotification
2014-09-29 14:07:47.741 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UIWindowDidBecomeVisibleNotification
2014-09-29 14:07:47.741 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIWindowDidBecomeVisibleNotification
2014-09-29 14:07:47.741 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UIWindowDidResignKeyNotification
2014-09-29 14:07:47.741 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIWindowDidResignKeyNotification
2014-09-29 14:07:47.742 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UIWindowDidBecomeKeyNotification
2014-09-29 14:07:47.742 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIWindowDidBecomeKeyNotification
2014-09-29 14:07:47.746 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.747 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.747 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.747 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.747 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.747 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.748 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.748 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.750 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.750 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.750 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.750 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.750 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.751 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.751 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.751 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.765 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.765 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.765 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.766 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.766 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.766 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.766 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.767 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: MPRemoteCommandTargetsDidChangeNotification
2014-09-29 14:07:47.900 MyProject***[3459:193561] HOOK_NOTIFICATION_NSNotification: AVPlayerItemNewAccessLogEntry
2014-09-29 14:07:47.901 MyProject***[3459:193561] HOOK_NOTIFICATION_NSNotification: AVPlayerItemTimeJumpedNotification
2014-09-29 14:07:47.903 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: _UIApplicationDidBeginIgnoringInteractionEventsNotification
2014-09-29 14:07:47.904 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: _UIApplicationDidBeginIgnoringInteractionEventsNotification
2014-09-29 14:07:47.904 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:47.904 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:47.920 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:48.386 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: _UIApplicationDidEndIgnoringInteractionEventsNotification
2014-09-29 14:07:48.387 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: _UIApplicationDidEndIgnoringInteractionEventsNotification
2014-09-29 14:07:48.387 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:48.387 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:48.387 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIApplicationStatusBarHeightChangedNotification
2014-09-29 14:07:48.387 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:48.387 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:48.390 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:48.390 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UITextEffectsWindowDidRotateNotification
2014-09-29 14:07:48.432 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:48.433 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:48.437 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:48.437 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:48.446 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: _UIApplicationDidBeginIgnoringInteractionEventsNotification
2014-09-29 14:07:48.447 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: _UIApplicationDidBeginIgnoringInteractionEventsNotification
2014-09-29 14:07:48.447 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:48.447 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:48.450 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: _UIApplicationDidEndIgnoringInteractionEventsNotification
2014-09-29 14:07:48.450 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: _UIApplicationDidEndIgnoringInteractionEventsNotification
2014-09-29 14:07:48.495 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:48.496 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:48.645 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:48.696 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:48.699 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:49.491 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:49.491 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:50.037 MyProject***[3459:194254] HOOK_NOTIFICATION_NSNotification: AVURLAssetDownloadCompleteSuccessNotification
2014-09-29 14:07:50.491 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:50.491 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:51.492 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:51.492 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:52.493 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:52.493 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:52.830 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: _UIApplicationDidBeginIgnoringInteractionEventsNotification
2014-09-29 14:07:52.830 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: _UIApplicationDidBeginIgnoringInteractionEventsNotification
2014-09-29 14:07:52.830 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:53.034 MyProject***[3459:193561] HOOK_NOTIFICATION_Without_UserInfo: _UIApplicationDidEndIgnoringInteractionEventsNotification
2014-09-29 14:07:53.034 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: _UIApplicationDidEndIgnoringInteractionEventsNotification
2014-09-29 14:07:53.035 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:53.496 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:53.496 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:54.497 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:54.497 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:55.499 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:55.500 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:56.502 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:56.502 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:57.505 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:57.506 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
2014-09-29 14:07:58.508 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidCommitNotification
2014-09-29 14:07:58.508 MyProject***[3459:193561] HOOK_NOTIFICATION_With_UserInfo: UIViewAnimationDidStopNotification
(lldb)
【讨论】：
似乎无法检测到第二次全屏事件。 这发生在 iOS 8 上吗？让我检查一下。每当从 UIWebView 进入全屏模式时，它就会触发AVPlayerItemBecameCurrentNotification 。
我的情况如下： 第一步：播放全屏视频。 （全屏） 第 2 步：按“完成”按钮。 （非全屏） 第 3 步：通过点击 UIWebview 上的播放图标再次播放视频。 （全屏）在第 1 步触发了 AVPlayerItemBecameCurrentNotification，但在第 3 步没有触发。
@hsienwei 是的，你是对的。我没有遇到过这个问题，因为在第 2 步之后，我再次使用 youtube URL 重新加载 webview。以便 webview 显示 youtube 视频的初始阶段。然后，如果我执行第 3 步，我会得到AVPlayerItemBecameCurrentNotification。如果您不想重新加载，那么最好观察name:UIWindowDidBecomeVisibleNotification。【参考方案4】：
我已尝试使用以下代码来查找替代通知名称。
NSNotificationCenter *center = [NSNotificationCenter defaultCenter];
[center addObserverForName:nil
object:nil
queue:nil
usingBlock:^(NSNotification *notification)
NSLog(@"%@", notification.name);
];
但没有找到。 现在我正在使用HCYoutubeParser 获取直接视频网址。 并通过 MPMoviePlayerController 播放。 但这会很危险。 您不知道 Google 什么时候更改直接 url 的规则。
【讨论】：
【参考方案5】：你做错了。
与其将整个应用程序限制为纵向模式，然后尝试让视频播放器允许横向模式，不如在整个应用程序中允许横向模式，然后将您的单个视图控制器（或根视图控制器）限制为仅允许纵向模式，像这样：
在目标设置中，为您的应用允许横向：
在您的视图控制器中，添加此项以将其限制为纵向：
-(NSUInteger)supportedInterfaceOrientations
return UIInterfaceOrientationMaskPortrait;
【讨论】：
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