Do not use Main.storyboard

Learning iOS today, but found that the project created is always using Main.storyboard, then what if you want to code implementation?

1. Delete main Storyboard file base name

Info.plist, located in supporting files

2. In Appdelegate-(BOOL) Application: (UIApplication *) application didfinishlaunchingwithoptions: (NSDictionary *) The following code is implemented in the Launchoptions method

Viewcontroller *rootviewcontrollor = [[Viewcontroller alloc] Initwithnibname:nil Bundle:nil];    Self.window = [[UIWindow alloc] initwithframe:[[uiscreen mainscreen] bounds]];    Self.window.backgroundColor = [Uicolor whitecolor];    Self.window.rootViewController = Rootviewcontrollor; [_window makekeyandvisible];

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Do not use Main.storyboard