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我正在嘗試顯示我正在創建的應用的登錄頁面,但似乎無法使導航控制器激活。如何顯示modalViewController或navigationController? (iPhone SDK)
- (IBAction)startSignin:(id)sender {
Login *aview = [[Login alloc] init];
aview.modalTransitionStyle = UIModalTransitionStyleCrossDissolve;
[self.navigationController presentModalViewController:aview animated:YES];
[aview release];
}
如何讓它顯示?
我該怎麼做? –
我想通了,但爲什麼我總是得到一個SIGABRT或EXEC_BAD_ACCESS? –