在用代碼初始化一個ViewController時,使用initWithNibName方法時會犯一個習慣性的小錯誤:
// 下面這行是錯誤寫法!!!
MyViewController *myViewController = [[MyViewController alloc] initWithNibName:@"MyViewController.xib" bundle:nil];
問題相當簡單,就是NibName是指不包含.xib的字符串,把.xib去掉就OK了
MyViewController *myViewController = [[MyViewController alloc] initWithNibName:@"MyViewController" bundle:nil];