1
我试图用.xib文件加载应用程序。我不知道为什么我的屏幕变黑......iOS从xib加载时出现黑屏
我的AppDelegate代码:
- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
// Override point for customization after application launch.
MainViewController *mainViewController = [[MainViewController alloc] initWithNibName:@"MainViewController" bundle:nil];
self.window.rootViewController = mainViewController;
[self.window makeKeyAndVisible];
return YES;
}
'self.window == nil'? – 2014-10-01 17:04:52
是的。它的确是。 – 2014-10-01 17:08:38
我需要初始化它吗?如果是这样,该怎么办? – 2014-10-01 17:11:12