Question

I m try to open en new screen after the nstimer and i m using:

MultiplayerController* controller = [[MultiplayerController alloc] initWithNibName:@"MultiplayerController" bundle:nil];
        [[self navigationController] pushViewController:controller animated:YES];
        [controller.playeronecount setText:playeronecount.text];

但是,这段话给了我一个SIGABRT。

a. 在档案中;

IBOutlet UILabel *playeronecount;  

@property (nonatomic, retain) UILabel *playeronecount;

2012-01-12 21:56:16.016 [9621:707] -[MultiplayerController playeronecount]: unrecognized selector sent to instance 0x39824a0 2012-01-12 21:56:16.020 [9621:707] * Terminating app due to uncaught exception NSInvalidArgumentException , reason: -[MultiplayerController playeronecount]: unrecognized selector sent to instance 0x39824a0 * First throw call stack: (0x33ff48bf 0x357101e5 0x33ff7acb 0x33ff6945 0x33f51680 0x5f85 0x31ac361d 0x33fc8a63 0x33fc86c9 0x33fc729f 0x33f4a4dd 0x33f4a3a5 0x35b8afcd 0x3508f743 0x275f 0x2704) terminate called throwing an exception(gdb)

Answer 1

您需要@synthesize>>>。如果试图在没有综合方法的情况下获得财产,将产生“未经承认的被派作案选择者”的例外。

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