当我尝试加载另一种观点认为,我得到这个错误:的Xcode 4.2错误
2012-02-21 20:31:38.477 App Demo[1671:f803] *** Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '*** -[NSPlaceholderString initWithString:]: nil argument'
我找不到哪里是错误完全一样。
任何帮助?
更新
NSString *pn1 = player1name.text;
NSString *pn2 = player2name.text;
NSString *pn3 = player3name.text;
NSString *pn4 = player4name.text;
NSString *k = kingdomLevel.text;
Kscores *kscores = [[Kscores alloc] initWithNibName:nil bundle:nil];
kscores.modalTransitionStyle = UIModalTransitionStyleFlipHorizontal;
[self presentModalViewController:kscores animated:YES];
[[kscores player1name] setText:[NSString stringWithString:(NSString *)pn1]];
[[kscores player2name] setText:[NSString stringWithString:(NSString *)pn2]];
[[kscores player3name] setText:[NSString stringWithString:(NSString *)pn3]];
[[kscores player4name] setText:[NSString stringWithString:(NSString *)pn4]];
[[kscores king] setText:[NSString stringWithString:(NSString *)k]];
断点停在这个代码
[[kscores player1name] setText:[NSString stringWithString:(NSString *)pn1]];
在左下角点击加号按钮并选择“添加例外断点......” – Costique 2012-02-21 17:38:01
添加一个异常断点,断点启用和后期的代码行的例外是被抛出。说明添加断点的位置:http://stackoverflow.com/a/7736927/639668 – edc1591 2012-02-21 17:38:03