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我正在遷移應用程序以與ios8兼容。viewWillAppear正在運行,即使viewDidLoad執行Segue
爲什麼viewWillAppear塊在viewDidLoad執行segue時運行?它不在ios7中發生。
- (void)viewDidLoad
{
[super viewDidLoad];
[self performSegueWithIdentifier:@"showLogin" sender:self];
}
-(void) viewWillAppear:(BOOL)animated{
[super viewWillAppear:animated];
PFUser *currentUser = [PFUser currentUser];
// crashes here when not currentUser:
NSLog(@"Logged user: %@ my_api_id=%@", currentUser.username, currentUser[@"api_id"]);
}