我有一个崩溃影响了我大约10%的用户，但我无法重现它，并且不知道发生这种情况的确切时间。Crashlytics报告说，大约一半的崩溃用户没有关注应用程序，即做背景音频或AirPlay。该应用程序播放HLS视频流，并在后台切换到纯音频版本。有什么问题吗，或者为什么我的单例Player类中会有多个AVPlayer实例？谢谢!ExceptionType:NSInvalidArgumentExceptionReason:AnAVPlayerItemcannotbeassociatedwithmorethanoneinstanceofAVPlayerFatalExceptionLatestCra
简而言之，我在ClassA(在viewDidLoad中)注册了以下NSNotification监听器:[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(playSong)name:@"playNotification"object:nil];我在ClassA.h中声明了选择器:-(void)playSong:(NSNotification*)notification;实现如下:-(void)playSong:(NSNotification*)notification{NSString*theTi
简而言之，我在ClassA(在viewDidLoad中)注册了以下NSNotification监听器:[[NSNotificationCenterdefaultCenter]addObserver:selfselector:@selector(playSong)name:@"playNotification"object:nil];我在ClassA.h中声明了选择器:-(void)playSong:(NSNotification*)notification;实现如下:-(void)playSong:(NSNotification*)notification{NSString*theTi
我已经遵循了许多示例并查看了有关此访问token错误的许多问题，但我似乎无法找出我为什么会得到它或如何修复它。我像他们在3.1sdk示例中那样初始化Facebook:NSArray*permissions=[[NSArrayalloc]initWithObjects:@"publish_stream",@"publish_actions",nil];self.fb=[[FBSessionalloc]initWithPermissions:permissions];[self.fbopenWithCompletionHandler:^(FBSession*session,FBSessio
我已经遵循了许多示例并查看了有关此访问token错误的许多问题，但我似乎无法找出我为什么会得到它或如何修复它。我像他们在3.1sdk示例中那样初始化Facebook:NSArray*permissions=[[NSArrayalloc]initWithObjects:@"publish_stream",@"publish_actions",nil];self.fb=[[FBSessionalloc]initWithPermissions:permissions];[self.fbopenWithCompletionHandler:^(FBSession*session,FBSessio
我正在尝试将“dateTime”添加到我的字典中，定义如下:SymptomRanking:{5111ef19253b4a9150000000=1;5111f029253b4add4e000000=1;5111f036253b4a123d000001=1;5111f045253b4a404f000000=1;}NSLog(@"dateselected:%@",[[self.datePickerdate]description])[self.resultssetObject:[[self.datePickerdate]description]forKey:@"dateTime"];应用程序
我正在尝试将“dateTime”添加到我的字典中，定义如下:SymptomRanking:{5111ef19253b4a9150000000=1;5111f029253b4add4e000000=1;5111f036253b4a123d000001=1;5111f045253b4a404f000000=1;}NSLog(@"dateselected:%@",[[self.datePickerdate]description])[self.resultssetObject:[[self.datePickerdate]description]forKey:@"dateTime"];应用程序
ssh登录报Authorizedusersonly.Allactivitiesmaybemonitoredandreported.解决：修改/etc/motd文件，清空内容修改以后，登录不报Authorizedusersonly.Allactivitiesmaybemonitoredandreported.
我在iOS6中使用新的Facebook集成，如下所示:SLComposeViewController*fbController=[SLComposeViewControllercomposeViewControllerForServiceType:SLServiceTypeFacebook];if([SLComposeViewControllerisAvailableForServiceType:SLServiceTypeFacebook]){SLComposeViewControllerCompletionHandler__blockcompletionHandler=^(SLCom
我在iOS6中使用新的Facebook集成，如下所示:SLComposeViewController*fbController=[SLComposeViewControllercomposeViewControllerForServiceType:SLServiceTypeFacebook];if([SLComposeViewControllerisAvailableForServiceType:SLServiceTypeFacebook]){SLComposeViewControllerCompletionHandler__blockcompletionHandler=^(SLCom
