检查我的iOS6应用程序并尝试为iOS7修复所有问题。在我的整个应用程序中，我遇到了错误:-[__NSPlaceholderDictionaryinitWithObjects:forKeys:count:]:attempttoinsertnilobjectfromobjects[0]这是这段代码的堆栈跟踪:NSString*shareString=[NSStringstringWithFormat:@"I...%@",self.booking.venue.name];NSArray*activityItems=[NSArrayarrayWithObjects:shareString,n

我收到错误NSInvalidArgumentException这是我的模型类+(NSArray*)users{NSDictionary*user1=@{@"username":@"masterphotographer",@"email":@"worldtravel@me.com",@"password":@"drowssap",@"age":@24,@"profilePicture":[UIImageimageNamed:@"person1.jpeg"]};NSDictionary*user2=@{@"username":@"Lotsoftots",@"email":@"ottersk