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不幸的是,在iOS6 / XCode 4.5下,它开始崩溃了.或者至少在某些有限的情况下似乎:用户无法使用错误的密码和/或不存在的帐户登录.成功登录后,一切顺利.
在登录失败之后,当我去做一些导致进行reauth检查的事情时,我得到了这个:
2012-09-25 15:54:47.829 APP name [1493:907] *
Assertion failure in -[UIWindowController
Transition:fromVIEwController:toVIEwController:target:dIDEndSelector:],
/SourceCache/UIKit/UIKit-2372/UIWindowController.m:211
然后这实际上崩溃了:
2012-09-25 15:55:25.569 APP name [1493:907] *
Terminating app due to uncaught exception
‘NSInternalinconsistencyException’,reason: ‘Attempting to begin a
modal Transition from <GKModalRootVIEwController: 0x1cd8b2a0> to
<GKHostedAuthenticateVIEwController: 0x1e31a350> while a Transition is
already in progress. Wait for vIEwDIDAppear/vIEwDIDdisappear to kNow
the current Transition has completed’
* First throw call stack: (0x394932a3 0x31db297f 0x3949315d 0x383fd2af 0x3640377b 0x36402fcf 0x394969c4 0x393edfeb 0x36521733
0x32a83d2d 0x3264b11f 0x3264a4b7 0x3264f1bd 0x39466f3b 0x393d9ebd
0x393d9d49 0x353132eb 0x3636b301 0x7e863 0x7e808) libc++abi.dylib:
terminate called throwing an exception
这是麻烦的代码:
-(voID)authenticateLocalUser { if (!self.checkingLocalPlayer) { self.checkingLocalPlayer = YES; GKLocalPlayer *thisPlayer = [GKLocalPlayer localPlayer]; if (!thisPlayer.authenticated) { [[GKLocalPlayer localPlayer] authenticateWithCompletionHandler:^(NSError *error) { [self finishGameCenterauthWithError:error]; } ]; } }}
知道我在这里做错了吗?
解决方法 Ggrrrhhh同样的问题,想想我发现它… ios6已弃用authenticateWithCompletionHandler看到链接,建议你使用AuthenticateHandler.http://developer.apple.com/library/IOS/#documentation/GameKit/Reference/GKLocalPlayer_Ref/Reference/Reference.html#//apple_ref/occ/instp/GKLocalPlayer/authenticateHandler
这似乎有效……
GKLocalPlayer *localPlayer = [GKLocalPlayer localPlayer];[localPlayer setAuthenticateHandler:(^(UIVIEwController* vIEwcontroller,NSError *error) {//[localPlayer authenticateWithCompletionHandler:^(NSError *error) { olD CODE! if (localPlayer.isAuthenticated) { //do some stuff } else { UIAlertVIEw *alertVIEw = [[UIAlertVIEw alloc] initWithTitle:@"NOT AUTHORISED" message:@"YOUR'RE NOT LOGGED INTO GC." delegate:self cancelbuttonTitle:@"OK" otherbuttonTitles:nil]; [alertVIEw show]; }})];总结
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